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WO2020135640A1 - Appareil et procédé de transmission - Google Patents

Appareil et procédé de transmission Download PDF

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Publication number
WO2020135640A1
WO2020135640A1 PCT/CN2019/128911 CN2019128911W WO2020135640A1 WO 2020135640 A1 WO2020135640 A1 WO 2020135640A1 CN 2019128911 W CN2019128911 W CN 2019128911W WO 2020135640 A1 WO2020135640 A1 WO 2020135640A1
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WO
WIPO (PCT)
Prior art keywords
terminal
resource
information
dedicated
mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/128911
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English (en)
Chinese (zh)
Inventor
常俊仁
肖潇
王君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2020135640A1 publication Critical patent/WO2020135640A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a transmission method and device.
  • V2X Internet of Vehicles
  • V2X Internet of Vehicles
  • V2V vehicles and vehicles
  • V2I vehicles and roadside infrastructure
  • V2P vehicles and pedestrians
  • V2N vehicles and networks
  • V2V communication and V2I communication can broadcast their own safety information such as their speed, driving direction, specific location, whether they have stepped on the emergency brake, etc. to the surrounding vehicles.
  • the surrounding vehicles pass Obtaining this safety information can better perceive the traffic situation beyond the line of sight, so as to make a pre-judgment on the dangerous situation and then make an evasion.
  • roadside infrastructure for example, roadside units (RSU)
  • RSU roadside units
  • the LTE V2X service (referring to the V2X service transmitted in the LTE system) has only broadcast, that is, a terminal can broadcast the LTE V2X service on any of dedicated resources and competing resources on the side link by broadcast . Therefore, some terminals may receive the LTE V2X service, and some terminals may not receive the LTE V2X service. This cannot guarantee high quality of service (Quality of Service, QoS) requirements.
  • NR V2X services (referring to V2X services transmitted in NR) support unicast and multicast, and NR V2X services have higher QoS requirements than LTE V2X services. Therefore, how to improve the highly reliable communication of V2X services is an urgent problem to be solved .
  • Embodiments of the present application provide a transmission method and device for effectively utilizing side link transmission resources and improving the reliability of side link transmission.
  • an embodiment of the present application provides a transmission method.
  • the method includes: a terminal acquiring service information, and a resource usage mode corresponding to the service information.
  • the terminal uses the resource usage mode to transmit the service corresponding to the service information on the side link.
  • the resource usage mode includes: any one of the dedicated resource mode, the competitive resource mode, the joint use of dedicated resources and the competitive resource mode.
  • An embodiment of the present application provides a transmission method, which sends service information and a resource usage pattern corresponding to the service information to a terminal through a network device.
  • the terminal when the terminal subsequently transmits the service, it can select the resource usage mode corresponding to the service information based on the service information to transmit the service corresponding to the service information on the side link.
  • the resource usage mode can be flexibly used to effectively utilize the wireless resources.
  • the service information includes any one or more of the following information: service level information, logical channel information, radio bearer information, logical channel group information, or service target identification.
  • the service information and the resource usage pattern corresponding to the service information are pre-stored in the terminal.
  • the network device sends it to the terminal through a dedicated RRC message or a broadcast message.
  • the method provided by the embodiment of the present application further includes: the terminal determining the priority of at least one logical channel associated with the dedicated resource mode or the priority of at least one radio bearer or the priority of at least one logical channel group level.
  • the terminal determining the priority of at least one logical channel associated with the dedicated resource mode or the priority of at least one radio bearer or the priority of at least one logical channel group level.
  • the terminal determining the priority of at least one logical channel or at least one radio bearer or the priority of at least one logical channel group associated with the dedicated resource mode includes: the terminal receiving A first message including the priority of at least one logical channel associated with the dedicated resource pattern or the priority of at least one radio bearer or the priority of at least one logical channel group.
  • the terminal determines the priority of at least one logical channel associated with the dedicated resource mode or the priority of at least one radio bearer or the priority of at least one logical channel group according to service requirements. It can make the terminal flexibly determine the priority of at least one logical channel or the priority of at least one radio bearer or the priority of at least one logical channel group.
  • the method provided in this embodiment of the present application further includes: the terminal acquiring dedicated resources allocated to the terminal.
  • the terminal multiplexes services corresponding to at least one logical channel associated with the dedicated resource mode or services corresponding to at least one radio bearer or services corresponding to at least one logical channel group on the dedicated resources. If there are remaining resources on the dedicated resources, the terminal multiplexes the first service on the remaining resources.
  • the first service is a service corresponding to at least one logical channel associated with the contention resource mode or a service corresponding to at least one radio bearer or a service corresponding to at least one logical channel group, or the first service is a joint use of dedicated resources and competition The service corresponding to at least one logical channel associated with the resource mode or the service corresponding to at least one radio bearer or the service corresponding to at least one logical channel group. In this way, when there are remaining resources in the dedicated resources, the remaining resources can be fully utilized.
  • the method provided in this embodiment of the present application further includes: the terminal determines to obtain the competitive resource.
  • the terminal determining to acquire the competitive resource includes: the terminal receiving the first message from the network device instructing the terminal to acquire the competitive resource. Or, the terminal determines that there is a service transmitted using the competitive resource mode, and the terminal determines to obtain the competitive resource. Or, the terminal determines that it needs to obtain competitive resources according to the service type of the service. Or, the terminal determines to obtain the competing resources according to the business information and the resource usage mode corresponding to the business information. This facilitates the terminal to determine the need to obtain competing resources during the process of acquiring or using dedicated resources.
  • the method provided in this embodiment of the present application further includes: the terminal determines not to obtain a competing resource.
  • the terminal determining to acquire the competitive resource includes: the terminal receiving the first message from the network device indicating that the terminal does not acquire the competitive resource. Or, the terminal determines that there is no service transmitted using the competitive resource mode, and the terminal determines that it does not acquire the competitive resource. Or, according to the service type of the service, the terminal determines that it is not necessary to obtain competing resources. Or, the terminal determines that it is not necessary to obtain competing resources based on the business information and the resource usage pattern corresponding to the business information. This is convenient for the terminal to determine that it does not need to acquire competing resources during the process of acquiring or using dedicated resources.
  • the method provided by the embodiment of the present application further includes: when the first preset condition is satisfied, the terminal determines to request a dedicated resource from the network device; the terminal sends a second message including the first indication to the network device .
  • the first indication is used to request the allocation of dedicated resources for the terminal, or the first indication is used to request the establishment of a connection for the terminal. This facilitates the terminal to actively request dedicated resources from the network device when it is determined that the first preset condition is satisfied.
  • the first indication includes any one or more of the following information: indicating that dedicated resources and/or contention resources are requested; or, service quality requirement information of services on the side link; or, The transmission mode information of the side link; or, the resource usage mode; or, the service information of the contention resource mode used on the side link.
  • the first preset condition includes any one or more of the following information: the arrival of a service transmitted using a dedicated resource mode, the conflict rate of use of competing resources is higher than the first threshold, or the movement of the terminal The speed meets the second threshold.
  • the method provided in this embodiment of the present application further includes: the terminal sending a data volume report to the network device.
  • the data volume report includes: at least one of the data volume sent using the dedicated resource mode and the data volume sent using the competitive resource mode; or, the data volume report includes: cached data volume information, and the cached data volume information includes at least the following One item: configure the buffered data volume information of the logical channel or logical channel group or radio bearer using the dedicated resource mode, configure the buffered data volume information of the logical channel or logical channel group or radio bearer using the contention resource mode, and configure the joint use of dedicated resources Cached data volume information for logical channels or logical channel groups or radio bearers in the contention resource mode; or, data volume reports, including: the amount of data for competing resources used by logical channels or logical channel groups or radio bearers configured to use the dedicated resource mode Information; or, data volume report, including: data volume information of logical channels or logical channel groups or radio bearers configured to jointly use dedicated resources and competitive resource modes
  • the terminal sending the data volume report to the network device includes: when the second preset condition is satisfied, the terminal sending the data volume report to the network device.
  • the second preset condition includes any one or more of the following information: the terminal’s success rate in obtaining competitive resources is higher than the third threshold, the terminal determines that there is a service that needs to be transmitted using a dedicated resource mode, a preset period, and a side chain The amount of filled data of competing resources or dedicated resources on the road is higher than the third threshold. This makes it easy for the terminal to determine to actively report the data volume report when the conditions are met, so that the network device can timely understand the actual resource transmission status of the terminal.
  • the method provided by the embodiment of the present application further includes: the terminal receiving the resource usage pattern sent by the network device to indicate the first logical channel or the first logical channel group or the first wireless resource from the first The third message that the resource mode is switched to the contention resource mode.
  • the terminal receives a third message sent by the network device to instruct the terminal to switch the resource usage mode from the first resource mode to the contention resource mode.
  • the first resource mode includes: joint use of dedicated resources and any one of the dedicated resource modes of the competitive resource mode.
  • the method provided by the embodiment of the present application further includes: the terminal determining to cancel the cache status report; or, the terminal determining to cancel the cache status triggered by the first logical channel or the first logical channel group or the first radio resource Report; or, the terminal determines that the cache status report does not include the cache data volume of the first logical channel or the first logical channel group or the logical channel group corresponding to the first wireless resource; the terminal cancels the resource request triggered by the cache status report, and the resource request includes Scheduling request SR or random access procedure initiated for resource request.
  • the method provided in this embodiment of the present application further includes: the terminal obtains a competitive resource, and the data amount report does not include the amount of data sent on the competitive resource. This facilitates the network equipment to allocate reasonable dedicated resources to the terminal. In order to save the use of dedicated resources as much as possible.
  • the method provided in this embodiment of the present application further includes: the terminal sending a fourth message to the network device, where , The fourth message is used to instruct the terminal to determine the data volume information of the dedicated resource mode to transmit the service, and/or the determined data volume information of the competitive resource mode to transmit the service. Or, the terminal receives the fourth message sent by the network device. Wherein, the fourth message is used to indicate the data amount information of the service transmission using the dedicated resource mode, and/or the determined data amount information of the service transmission using the competitive resource mode.
  • the method provided in the embodiment of the present application further includes: the terminal controls the dedicated resource mode or the competitive resource mode to transmit services on the side link; wherein, the terminal controls the dedicated resource mode or the competitive resource mode on the side
  • the transmission of services on the downlink includes: the terminal preferentially uses the dedicated resource mode or the competitive resource mode to transmit services on the side link; or, the terminal preferentially allocates power to the dedicated resource mode; or, the terminal pair uses the dedicated resource mode separately Proportional power allocation is performed on services transmitted on the sidelink link with the competitive resource mode.
  • the terminal controls the dedicated resource mode or the contention resource mode to transmit services on the side link
  • the third preset condition includes any one of the following information Or more: the dedicated resources allocated for the terminal and the competing resources of the terminal have the same time slot, or the dedicated resources and the competing resources are on the same carrier, and the dedicated resources and the competing resources have the same time slot, or the competing resources and the dedicated resources
  • the time slots of the resources partially overlap, or the time that the time slots of the contention resources and the dedicated resources overlap exceeds the fourth threshold, or, the transmission power of the terminal on the contention resources and the dedicated resources reaches the power threshold.
  • the method provided in this embodiment of the present application further includes: the terminal sending information of the contention resource or the time slot of the contention resource to the network device.
  • the terminal sending information of the contention resource or the time slot of the contention resource to the network device.
  • the method provided in this embodiment of the present application further includes: when the number of conflicts between the contentiond resource and the dedicated resource is higher than the fourth threshold, the terminal sends the number of conflicts between the contentiond resource and the dedicated resource to the network device Above the fourth threshold.
  • the method provided in this embodiment of the present application further includes: the terminal receives information about a carrier associated with a contention resource mode or partial bandwidth information from a network device. This facilitates the terminal to obtain competing resources on the carrier or part of the bandwidth specified by the network device. Thus, dedicated resources and contention resources are avoided on the same carrier or part of the bandwidth.
  • the method provided in this embodiment of the present application further includes: the terminal sending the desired resource usage pattern on the carrier wave or part of the bandwidth to the network device.
  • an embodiment of the present application provides a transmission method, including: a network device determining service information and a resource usage mode corresponding to the service information; the network device sending service information to the terminal and a resource usage mode corresponding to the service information;
  • the resource usage mode includes any one of a dedicated resource mode, a competitive resource mode, a joint use of dedicated resources, and a competitive resource mode.
  • the service information includes any one or more of the following information: service level information, logical channel information or logical channel group information, radio bearer information, logical channel group information, or service target identification.
  • the method provided in this embodiment of the present application further includes: the network device sends a first message to the terminal to instruct the terminal to obtain the contention resource.
  • the method provided in this embodiment of the present application further includes: the network device sends a first message to the terminal indicating that the terminal does not need to obtain a contention resource.
  • the method provided by the embodiment of the present application further includes: the network device sends to the terminal the priority including at least one logical channel associated with the dedicated resource mode or the priority or at least one logic of at least one radio bearer The priority message of the channel group.
  • the method provided in this embodiment of the present application further includes: the network device receives a second message including the first indication from the terminal.
  • the first indication is used to request allocation of dedicated resources for the terminal, or the first indication is used to request connection establishment for the terminal. Based on the second message, the network device allocates dedicated resources to the terminal or establishes a connection for the terminal.
  • the first indication includes any one or more of the following information: indicating that dedicated resources and/or contention resources are requested; or, service quality requirement information of services on the side link; or, The transmission mode information of the side link; or, the resource usage mode; or, the service information of the contention resource mode used on the side link.
  • the method provided by the embodiment of the present application further includes: the network device receives a data volume report from the terminal.
  • the network device receives a data volume report from the terminal.
  • the data volume report does not include the data volume sent on the contention resource.
  • the method provided in this embodiment of the present application further includes: the network device sends a third message to the terminal.
  • the third message is used to instruct the resource usage mode of the first logical channel or the first logical channel group or the first radio bearer to switch from the first resource mode to the contention resource mode.
  • the third message is used to instruct the resource usage mode of the terminal to switch from the first resource mode to the contention resource mode.
  • the first resource mode includes: a joint use of dedicated resources and competitive resource mode, any one of dedicated resource modes.
  • the method provided in this embodiment of the present application further includes: the network device receives information about the contention of resources from the terminal, or, the time slot of the contention of the resource; or, the network device receives information from the terminal
  • the number of conflicts between competitive resources and dedicated resources is higher than the fourth threshold.
  • the method provided in this embodiment of the present application further includes: the network device receives the fourth message from the terminal.
  • the fourth message is used to instruct the terminal to determine the data volume information of using the dedicated resource mode to transmit the service, and/or the determined data volume information of using the competitive resource mode to transmit the service; or, the network device sends the fourth message to the terminal, Wherein, the fourth message is used to indicate the data amount information of the service transmission using the dedicated resource mode, and/or the determined data amount information of the service transmission using the competitive resource mode.
  • an embodiment of the present application provides a transmission apparatus, which can implement the transmission method described in the first aspect or any possible implementation manner of the first aspect, and therefore can also implement the first aspect or The beneficial effect in any possible implementation manner of the first aspect.
  • the transmission device may be a terminal, or may be a device that can support the terminal to implement the first aspect or any possible implementation manner of the first aspect.
  • the chip used in the terminal may implement the above method through software, hardware, or execute corresponding software through hardware.
  • the transmission device includes a processing unit for acquiring business information and a resource usage mode corresponding to the business information.
  • the communication unit is used for transmitting the service corresponding to the service information on the side link using the resource usage mode.
  • the resource usage mode includes: any one of the dedicated resource mode, the competitive resource mode, the joint use of dedicated resources and the competitive resource mode.
  • the service information includes any one or more of the following information: service level information, logical channel information, radio bearer information, logical channel group information, or service target identification.
  • the service information and the resource usage pattern corresponding to the service information are pre-stored in the terminal.
  • the processing unit is specifically used to obtain the resource usage pattern corresponding to the service information from the network device through the communication unit.
  • the processing unit is further configured to determine the priority of at least one logical channel associated with the dedicated resource mode or the priority of at least one radio bearer or the priority of at least one logical channel group.
  • the processing unit is further specifically configured to receive from the network device the priority including at least one logical channel associated with the dedicated resource mode or the priority or at least one logic of the at least one radio bearer from the network device The first message of the priority of the channel group.
  • the processing unit is further specifically configured to determine the priority of at least one logical channel associated with the dedicated resource mode or the priority of at least one radio bearer or the priority of at least one logical channel group according to service requirements.
  • the processing unit is also used to obtain dedicated resources allocated to the terminal. And for multiplexing services corresponding to at least one logical channel associated with the dedicated resource mode or services corresponding to at least one radio bearer or services corresponding to at least one logical channel group on the dedicated resource.
  • the processing unit is further configured to determine that if the dedicated resource has remaining resources, multiplex the first service on the remaining resources.
  • the first service is a service corresponding to at least one logical channel associated with the contention resource mode or a service corresponding to at least one radio bearer or a service corresponding to at least one logical channel group, or the first service is a joint use of dedicated resources and competition The service corresponding to at least one logical channel group associated with the resource mode or the service corresponding to at least one radio bearer or the service corresponding to at least one logical channel.
  • the processing unit is also used to determine the acquisition of competing resources.
  • the processing unit is further specifically configured to receive the first message from the network device for instructing the terminal to acquire the contention resource through the communication unit.
  • the processing unit is also specifically used to determine that there is a service transmitted using the competitive resource mode, and determine to obtain the competitive resource.
  • the processing unit is also specifically used to determine the need to obtain competing resources based on the business type of the business.
  • the processing unit is also specifically configured to determine the acquisition of competing resources based on the business information and the resource usage pattern corresponding to the business information.
  • the processing unit is also used to determine not to obtain competing resources.
  • the processing unit is further specifically configured to receive the first message from the network device for instructing the terminal not to obtain the contention resource through the communication unit.
  • the processing unit is also specifically configured to determine that there is no service transmitted using the competitive resource mode, and determine that no competitive resource is acquired.
  • the processing unit is also specifically used to determine that it is not necessary to obtain competing resources according to the business type of the business.
  • the processing unit is also specifically configured to determine that it is not necessary to obtain competing resources based on the business information and the resource usage pattern corresponding to the business information.
  • the processing unit is further configured to determine to request the dedicated resource from the network device when it is determined that the first preset condition is satisfied.
  • the communication unit is also used to send a second message including the first indication to the network device.
  • the first indication is used to request the allocation of dedicated resources for the terminal, or the first indication is used to request the establishment of a connection for the terminal.
  • the first indication includes any one or more of the following information: indicating that dedicated resources and/or contention resources are requested; or, service quality requirement information of services on the side link; or, The transmission mode information of the side link; or, the resource usage mode; or, the service information of the contention resource mode used on the side link.
  • the first preset condition includes any one or more of the following information: the arrival of a service transmitted using a dedicated resource mode, the conflict rate of use of competing resources is higher than the first threshold, or the movement of the terminal The speed meets the second threshold.
  • the communication unit is also used to send a data volume report to the network device.
  • a data volume report For the specific content of the data volume report, please refer to the description of the relevant places in the first aspect, which will not be repeated here.
  • the communication unit is further specifically configured to send a data volume report to the network device when the processing unit determines that the second preset condition is satisfied.
  • the second preset condition includes any one or more of the following information: the terminal’s success rate in obtaining competitive resources is higher than the third threshold, the terminal determines that there is a service that needs to be transmitted using a dedicated resource mode, a preset period, and a side chain The amount of filled data of competing resources or dedicated resources on the road is higher than the third threshold.
  • the communication unit is further specifically configured to receive the resource usage mode sent by the network device to indicate the first logical channel or the first logical channel group or the first wireless resource from the first resource mode to the The third message of the competitive resource model.
  • the communication unit is further specifically configured to receive a third message sent by the network device to instruct the terminal to use the resource usage mode from the first resource mode to the contention resource mode.
  • the first resource mode includes: joint use of dedicated resources and any one of the dedicated resource modes of the competitive resource mode.
  • the processing unit is further used to determine to cancel the cache status report; or, the processing unit is also used to determine to cancel the cache status triggered by the first logical channel or the first logical channel group or the first radio resource Report; or, the processing unit is also used to determine that the cache status report does not include the amount of cached data of the first logical channel or the first logical channel group or the logical channel group corresponding to the first wireless resource; the processing unit is also used to cancel the cache A resource request triggered by a status report.
  • the resource request includes a scheduling request or a random access procedure initiated for the resource request.
  • the processing unit is also used to obtain the contention resource, and the data volume report does not include the data volume sent on the contention resource.
  • the communication unit when the terminal uses the dedicated resource and contention resource modes to transmit services on the side link, the communication unit is also used to send a fourth message to the network device, where the fourth message is used To instruct the terminal to determine the data volume information of using the dedicated resource mode to transmit the service, and/or the determined data volume information of using the competitive resource mode to transmit the service. Or, the terminal receives the fourth message sent by the network device. Wherein, the fourth message is used to indicate the data amount information of the service transmission using the dedicated resource mode, and/or the determined data amount information of the service transmission using the competitive resource mode.
  • the processing unit is also used to control the dedicated resource mode or the contention resource mode to transmit services on the side link.
  • the processing unit is also specifically used to preferentially use the dedicated resource mode or the competitive resource mode to transmit services on the side link.
  • the processing unit is also specifically used to preferentially allocate power to the dedicated resource mode.
  • the processing unit is also specifically configured to perform proportional power allocation on services transmitted on the side link using the dedicated resource mode and the competitive resource mode, respectively.
  • the processing unit determines to control the dedicated resource mode or the contention resource mode to transmit services on the side link.
  • the third preset condition includes any one or more of the following information: the dedicated resource allocated to the terminal has the same time slot as the contention resource of the terminal, or the dedicated resource and the contention resource are located on the same carrier, and the dedicated resource Same as the time slot of the competing resource, or the time slot of the competing resource and the dedicated resource partially overlap, or the time that the time slot of the competing resource and the dedicated resource overlap exceeds the fourth threshold, or, the terminal is on the competing resource and the dedicated resource 'S transmit power reaches the power threshold.
  • the communication unit is further configured to send information of the contention resource or the time slot of the contention resource to the network device.
  • the communication unit is further configured to: when the number of conflicts between the contentiond resource and the dedicated resource is higher than the fourth threshold, the terminal sends to the network device that the number of conflicts between the contentiond resource and the dedicated resource is higher than the fourth Threshold.
  • the communication unit is further configured to receive information about a carrier associated with a contention resource mode or partial bandwidth information from a network device.
  • the communication unit is also used to send the network device the desired resource usage pattern on the carrier wave or part of the bandwidth.
  • a transmission device provided in an embodiment of the present application may be a terminal or a chip applied in a terminal.
  • the transmission device includes: a communication interface and one or more processors.
  • the transmission device communicates with other devices through a communication interface.
  • the transmission device executes a transmission method as described in the first aspect or any possible implementation manner of the first aspect.
  • the communication interface is used to support the transmission device to perform the steps of receiving/transmitting messages/data on the transmission device side described in any possible implementation manner of the first aspect to the first aspect.
  • the processor is used to support the transmission device to perform the steps of message/data processing on the side of the transmission device described in any possible implementation manner of the first aspect to the first aspect.
  • the transmission device may further include a memory for storing computer program code, and the computer program code includes instructions.
  • the processor, communication interface and memory are coupled to each other.
  • an embodiment of the present application provides a transmission apparatus, which can implement the transmission method described in the second aspect or any possible implementation manner of the second aspect, and therefore can also implement the second aspect or The beneficial effects in any possible implementation manner of the second aspect.
  • the transmission apparatus may be a network device, or may be an apparatus that can support the network device to implement the second aspect or any possible implementation manner of the second aspect. For example, chips used in network equipment.
  • the transmission device may implement the above method through software, hardware, or execute corresponding software through hardware.
  • the transmission device includes a processing unit and a communication unit.
  • the processing unit is used to determine the business information and the resource usage mode corresponding to the business information.
  • the communication unit is configured to send service information to the terminal and a resource usage mode corresponding to the service information; wherein, the resource usage mode includes any one of a dedicated resource mode, a competitive resource mode, a joint use of dedicated resources, and a competitive resource mode.
  • the service information includes any one or more of the following information: service level information, logical channel information or logical channel group information, radio bearer information, logical channel group information, or service target identification.
  • the communication unit is further configured to send a first message to the terminal to instruct the terminal to obtain contention for resources.
  • the communication unit is further configured to send a first message to the terminal indicating that the terminal does not need to acquire contention resources.
  • the communication unit is further configured to send to the terminal a priority including at least one logical channel associated with the dedicated resource mode or at least one radio bearer priority or at least one logical channel group priority. news.
  • the communication unit is further configured to receive a second message from the terminal including the first indication.
  • the first indication is used to request allocation of dedicated resources for the terminal, or the first indication is used to request connection establishment for the terminal.
  • the processing unit is also used to allocate dedicated resources to the terminal or establish a connection for the terminal according to the second message.
  • the first indication includes any one or more of the following information: indicating that dedicated resources and/or contention resources are requested; or, service quality requirement information of services on the side link; or, The transmission mode information of the side link; or, the resource usage mode; or, the service information of the contention resource mode used on the side link.
  • the communication unit is also used to receive the data volume report from the terminal.
  • the specific content of the data volume report please refer to the description of the relevant places in the first aspect, which will not be repeated here.
  • the data volume report does not include the data volume sent on the contention resource.
  • the communication unit is further configured to send the third message to the terminal.
  • the third message is used to instruct the resource usage mode of the first logical channel or the first logical channel group or the first radio bearer to switch from the first resource mode to the contention resource mode.
  • the third message is used to instruct the terminal's resource usage mode to switch from the first resource mode to the competitive resource mode; where the first resource mode includes: joint use of dedicated resources and any one of competitive resource modes and dedicated resource modes.
  • the communication unit is also used to receive information about the contention of resources from the terminal, or the time slot of the contention of the resource; or, the communication unit is also used to receive the contention from the terminal
  • the number of conflicts with dedicated resources is higher than the fourth threshold.
  • the communication unit when the terminal uses the dedicated resource and contention resource modes to transmit services on the side link, the communication unit is also used to receive the fourth message from the terminal.
  • the fourth message is used to instruct the terminal to determine the data volume information of using the dedicated resource mode to transmit the service, and/or the determined data volume information of using the competitive resource mode to transmit the service; or, the network device sends the fourth message to the terminal, Wherein, the fourth message is used to indicate the data amount information of the service transmission using the dedicated resource mode, and/or the determined data amount information of the service transmission using the competitive resource mode.
  • a transmission device provided in an embodiment of the present application may be a network device or a chip applied in a network device.
  • the transmission device includes: a communication interface and one or more processors.
  • the transmission device communicates with other devices through a communication interface.
  • the transmission device executes a transmission method as described in the second aspect or any possible implementation manner of the second aspect.
  • the communication interface is used to support the transmission device to perform the steps of receiving/transmitting messages/data on the transmission device side described in any possible implementation manner of the second aspect to the second aspect.
  • the processor is used to support the transmission device to perform the steps of message/data processing on the transmission device side described in any possible implementation manner of the second aspect to the second aspect.
  • the transmission device may further include a memory for storing computer program code, and the computer program code includes instructions.
  • the processor, communication interface and memory are coupled to each other.
  • an embodiment of the present application provides a computer-readable storage medium in which a computer program or instruction is stored.
  • the computer program or instruction runs on a computer, the computer is executed as described in the first aspect to the first The method described in any one of the possible implementations on the one hand.
  • an embodiment of the present application provides a computer-readable storage medium in which a computer program or instruction is stored.
  • the computer program or instruction runs on a computer, the computer is executed as described in the second aspect to the first The method described in any possible implementation manner of the two aspects.
  • an embodiment of the present application provides a computer program product including instructions, which when executed on a computer, causes the computer to perform a transmission method described in the first aspect or various possible implementation manners of the first aspect .
  • the present application provides a computer program product including instructions, which when executed on a computer, causes the computer to execute a transmission method described in the second aspect or various possible implementation manners of the second aspect.
  • an embodiment of the present application provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run a computer program or instruction to implement any one of the first aspect to the first aspect. Described in a possible implementation manner.
  • the communication interface is used to communicate with other modules than the chip.
  • an embodiment of the present application provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run a computer program or instruction to implement any one of the second aspect to the second aspect. Described in a possible implementation manner.
  • the communication interface is used to communicate with other modules than the chip.
  • the chip in the embodiment of the present application may further include a memory.
  • the processor, communication interface, and memory are coupled.
  • an embodiment of the present application provides a communication system including any one or more of the following: the terminal described in the third aspect and various possible implementation manners, and the fourth aspect and the fourth aspect Network devices described in various possible implementations.
  • FIG. 1 is a schematic diagram of V2X provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram 1 of a network device according to an embodiment of this application.
  • FIG. 4 is a second structural diagram of a network device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a communication device according to an embodiment of this application.
  • 6 to 11 are schematic flowcharts of a transmission method provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram 1 of a transmission device according to an embodiment of the present application.
  • FIG. 13 is a second schematic structural diagram of a transmission device according to an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • the words “first” and “second” are used to distinguish the same or similar items that have substantially the same functions and functions.
  • the first preset condition and the second preset condition are only for distinguishing different preset conditions, and do not limit their order.
  • the words “first” and “second” do not limit the number and execution order, and the words “first” and “second” do not necessarily mean different.
  • LTE long-term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile communication system
  • WiMAX global interoperability for microwave access
  • PLMN public land mobile network
  • D2D device-to-device
  • M2M machine-to-machine
  • the network architecture and business scenarios described in the embodiments of the present application are to more clearly explain the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. With the evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.
  • the method provided is applied to an NR system or a 5G network as an example for description.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the relationship of the related objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist at the same time, B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the related object is a “or” relationship.
  • “At least one of the following” or a similar expression refers to any combination of these items, including any combination of a single item or a plurality of items.
  • At least one item (a) in a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, c can be a single or multiple .
  • Sidelink means: defined for direct communication between the terminal and the terminal. That is, the link between the terminal and the terminal directly communicates without forwarding through the base station.
  • the sidelink resource refers to the resource that terminal 1 transmits sidelink information with terminal 2 on the side link.
  • Sidelink information refers to user data or control information transmitted by any two terminals on the sidelink.
  • FIG. 2 shows a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • the communication system includes: one or more network devices (such as the network device 10 shown in FIG. 2), and one or more terminals (such as the terminal 20 and the terminal 30 shown in FIG. 2).
  • the terminal 20 communicates with the network device 10, and the terminal 20 and the terminal 30 communicate.
  • the terminal 30 can also communicate with the network device 10.
  • the communication system shown in FIG. 2 may further include: a core network.
  • the network device 10 can be connected to the core network.
  • the core network may be a 4G core network (for example, Evolved Packet Core (EPC)) or a 5G core network (5G Core, 5GC), or a core network in various future communication systems.
  • EPC Evolved Packet Core
  • 5G Core 5G Core
  • the network device 10 may be an evolved base station (evolved Node B, eNB or eNodeB) in a 4G system.
  • the terminal 20 is a terminal that can transmit information with the eNB.
  • the eNB accesses the EPC network through the S1 interface.
  • the network device 10 may be a Next Generation Node B (gNB) in the NR system, and the terminal 20 is a terminal that can perform information transmission with gNB.
  • the gNB is connected to the 5GC through the NG interface.
  • the network device 10 may also be a 3rd generation partnership project (3GPP) protocol base station, or may be a non-3GPP protocol base station.
  • 3GPP 3rd generation partnership project
  • the first transmission link may be a Uu link.
  • the second transmission link may be a side link.
  • the terminal 20 and the terminal 30 may transmit V2X services to each other on the sidelink, which may also be called sidelink information.
  • the terminal 20 may transmit the uplink (Uplink, UL) Uu service to the network device 10 on the Uu link, or may receive the downlink (Downlink, DL) Uu service sent by the network device 10 on the Uu link.
  • the network device 10 allocates dedicated resources for the terminal 20.
  • LCH Logical Channel
  • LCG logical channel group
  • Both the competitive resources and the dedicated resources in the embodiments of the present application may be referred to as sidelink resources.
  • the interface between the terminal 20 and the terminal 30 through direct connection communication may be interface 1.
  • the interface 1 may be called a PC5 interface, and a dedicated frequency band for vehicle networking (such as 5.9 GHz) is used.
  • the interface between the terminal 20 and the network device 10 may be referred to as interface 2 (for example, Uu interface), and uses a cellular network frequency band (for example, 1.8 GHz).
  • V2X services are transmitted on the sidelink resources on the sidelink
  • Uu services are transmitted on the Uu resources on the Uu link.
  • the sidelink resources include: one or more of dedicated resources and competitive resources.
  • Mode 1 is a dedicated resource mode in the following embodiments.
  • Mode2 is the competitive resource mode.
  • Mode1 and Mode2 are modes for joint use of dedicated resources and competitive resources.
  • the terminal 20 may use dedicated resources to send sidelink information to the terminal 30 on the sidelink.
  • the terminal 20 may use the contention resources to send sidelink information to the terminal 30 on the sidelink.
  • the terminal 20 can use the contention resource and the dedicated resource to send sidelink information to the terminal 30 on the sidelink.
  • the network device 10 can allocate resources through the identification of the terminal 20 (for example, a dedicated wireless network temporary identifier (RNTI)), which mainly supports connected terminals. That is, the dedicated resource is used by the terminal 20 alone.
  • RNTI dedicated wireless network temporary identifier
  • Competing resources that is, resources broadcast by the network device 10
  • the resources are obtained by one or more terminals through competition, and are shared and used by one or more terminals.
  • the terminal 20 is a device with wireless communication function, which can be deployed on land, including indoor or outdoor, handheld or in-vehicle. Can also be deployed on the water (such as ships, etc.). It can also be deployed in the air (such as airplanes, balloons, satellites, etc.). Terminals are also called user equipment (UE), mobile stations (MS), mobile terminals (MT), and terminal equipment. They are a type of device that provides voice and/or data connectivity to users. equipment.
  • the terminal includes a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • the terminal can be: a mobile phone (mobile phone), a tablet computer, a laptop computer, a palmtop computer, a mobile internet device (mobile internet device, MID), a wearable device (such as a smart watch, smart bracelet, pedometer, etc.), In-vehicle equipment (for example, cars, bicycles, electric cars, airplanes, ships, trains, high-speed rail, etc.), virtual reality (virtual reality) equipment, augmented reality (augmented reality) equipment, industrial control (industrial control) Wireless terminals, smart home devices (for example, refrigerators, TVs, air conditioners, electric meters, etc.), smart robots, workshop equipment, wireless terminals in self-driving (self-driving), wireless terminals in remote surgery (remote medical), smart Wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, or wireless terminals in smart homes, flight equipment (e.g.
  • the terminal device is a terminal device that often works on the ground, for example, a vehicle-mounted device.
  • chips deployed in the above-mentioned devices such as system-on-a-chip (SOC), baseband chips, etc., or other chips with communication functions may also be referred to as terminals.
  • the terminal may be a vehicle with a corresponding communication function, or an in-vehicle communication device, or other embedded communication device, or a user's handheld communication device, including a mobile phone, a tablet computer, and so on.
  • the terminal is a car as an example.
  • the terminal may also be a wearable device.
  • Wearable devices can also be referred to as wearable smart devices, which is a general term for applying wearable technology to intelligently design everyday wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions that do not depend on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for sign monitoring.
  • the network device 10 is an entity that can be used in conjunction with the terminal 20 to transmit or receive signals.
  • it can be an access point (Access Point, AP) in WLAN, or an evolved Node (Evolved Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device And the network equipment in the future 5G network or the network equipment in the future evolved PLMN network.
  • the network device provides services for the cell, and the terminal communicates with the network device through transmission resources (for example, time-domain resources, or frequency-domain resources, or time-frequency resources) used by the cell.
  • the cell may be a cell corresponding to a network device (such as a base station), and the cell may belong to a macro base station or a base station corresponding to a small cell (small cell), where the small cell may include: a metro cell and a micro cell ( micro cells, pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the future access network can be implemented using a cloud radio access network (C-RAN) architecture
  • C-RAN cloud radio access network
  • one possible way is to divide the protocol stack architecture and functions of the traditional base station into two parts, one part is called centralized Unit (CU), another part is called distributed unit (DU), and the actual deployment method of CU and DU is more flexible, for example, the CU parts of multiple base stations are integrated together to form a large-scale function entity.
  • FIG. 3 it is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • the network architecture includes core network (CN) equipment and access network (take Radio Access Network (RAN) as an example) equipment.
  • the RAN equipment includes a baseband device and a radio frequency device.
  • the baseband device can be implemented by one node or multiple nodes.
  • the radio frequency device can be implemented independently from the baseband device, can also be integrated into the baseband device, or can be partly remote.
  • a RAN device eNB
  • eNB includes a baseband device and a radio frequency device, where the radio frequency device can be remotely arranged relative to the baseband device (for example, a radio remote unit (Radio Remote Unit, RRU) relative to the baseband processing unit ( Building, Base, and Unit (BBU)).
  • RRU Radio Remote Unit
  • BBU Base, and Unit
  • the RAN equipment is implemented by a node, which is used to implement Radio Resource Control (RRC), Packet Data Convergence Layer Protocol (Packet Date Convergence Protocol, PDCP), and radio link control.
  • RRC Radio Resource Control
  • PDCP Packet Date Convergence Protocol
  • the baseband device may include a centralized unit (CU) and a distributed unit (DU), and multiple DUs may be centrally controlled by one CU.
  • CU and DU can be divided according to the protocol layer of the wireless network.
  • the functions of the protocol layer of the packet data convergence layer and above are set in the CU.
  • the CU has the functions of the RRC protocol layer and the PDCP protocol layer; below the PDCP
  • the protocol layer such as radio link control (Radio Link Control, RLC) and media access control layer, and the physical layer and other functions are set in the DU.
  • This division of the protocol layer is only an example, and it can also be divided at other protocol layers, for example, at the RLC layer, the functions of the RLC layer and above are set in the CU, and the functions of the protocol layers below the RLC layer are set in the DU; Or, in a certain protocol layer, for example, some functions of the RLC layer and the functions of the protocol layer above the RLC layer are set in the CU, and the remaining functions of the RLC layer and the functions of the protocol layer below the RLC layer are set in the DU. In addition, it can also be divided in other ways, for example, according to delay, and the function that the processing time needs to meet the delay requirement is set in the DU, and the function that does not need to meet the delay requirement is set in the CU.
  • the radio frequency device can be remotely located, not placed in the DU, or integrated in the DU, or partly remotely and partially integrated in the DU, without any limitation here.
  • control plane (CP) and user plane (UP) of the CU can also be separated and divided into different entities for implementation, namely control The plane CU entity (CU-CP entity) and the user plane CU entity (CU-UP entity).
  • the data generated by the CU can be sent to the terminal through the DU, or the data generated by the terminal can be sent to the CU through the DU.
  • the DU can be directly encapsulated through the protocol layer and passed to the terminal or CU without parsing the data.
  • the data of the RRC or PDCP layer will be processed into data of the physical layer (Physical Layer, PHY) to be sent to the terminal, or converted from the received data of the PHY layer.
  • the RRC or PDCP layer data can also be considered to be sent by the DU.
  • the CU is divided into access network devices in the RAN.
  • the CU may also be divided into access network devices in the CN, which is not limited herein.
  • the apparatus in the following embodiments of the present application may be located in a terminal or an access network device according to the functions it implements.
  • the network device may be a CU node, or a DU node, or a RAN device including functions of the CU node and the DU node.
  • FIG. 5 shows a schematic diagram of a hardware structure of a communication device provided by an embodiment of the present application.
  • the communication device includes a processor 41, a communication line 44, and at least one communication interface (in FIG. 5, it is only exemplary to include the communication interface 43 as an example).
  • the processor 41 may be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more used to control the execution of the program program of the present application integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the communication line 44 may include a path for transferring information between the above components.
  • Communication interface 43 using any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, wireless access network (RAN), wireless local area network (WLAN), etc. .
  • Ethernet wireless access network
  • WLAN wireless local area network
  • the communication device may further include a memory 42.
  • the memory 42 may be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM), or other types of information and instructions that can be stored
  • the dynamic storage device can also be an electrically erasable programmable read-only memory (electrically erasable programmable-read-only memory (EEPROM), read-only compact disc (compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (Including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), disk storage media or other magnetic storage devices, or can be used to carry or store the desired program code in the form of instructions or data structures and can be used by a computer Access to any other media, but not limited to this.
  • the memory may exist independently, and is connected to the processor through the communication line 44. The memory can also be integrated with the processor.
  • the memory 42 is used to store computer execution instructions for executing the solution of the present application, and the processor 41 controls the execution.
  • the processor 41 is used to execute computer-executed instructions stored in the memory 42 to implement the transmission method provided in the following embodiments of the present application.
  • the computer execution instructions in the embodiments of the present application may also be called application program codes, which are not specifically limited in the embodiments of the present application.
  • the processor 41 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 5.
  • the communication device may include multiple processors, such as the processor 41 and the processor 45 in FIG. 5.
  • processors can be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor.
  • the processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
  • FIG. 6 is a schematic flowchart of a transmission method interaction provided by an embodiment of the present application. The method includes:
  • Step 101 The network device determines the service information and the resource usage mode corresponding to the service information.
  • the resource usage mode includes any one of a dedicated resource mode, a competitive resource mode, a joint use of dedicated resources, and a competitive resource mode.
  • the service information includes any one or more of the following information: service level information (QoS Class Identifier, QCI), LCH information, RB information, LCG information, or service target identification.
  • service level information QoS Class Identifier, QCI
  • LCH information LCH information
  • RB information RB information
  • LCG information LCG information
  • service target identification any one or more of the following information: service level information (QoS Class Identifier, QCI), LCH information, RB information, LCG information, or service target identification.
  • the QCI information usually indicates the service delay, packet loss rate, resource usage priority and so on.
  • the business target identifier may be a destination ID.
  • the business target identification usually indicates a certain type of business message or business data.
  • the LCH information or LCG information is used to determine the LCH of the terminal, that is, the LCH that the terminal communicates with another terminal.
  • the LCG information is used to determine the LCG of the terminal, that is, the LCG that the terminal communicates with another terminal.
  • the RB information is used to determine the RB of the terminal, that is, the RB that the terminal communicates with another terminal.
  • the RB may include a signaling radio bearer (Signal Radio Bear, SRB) and a data radio bearer (Data Radio Bear, DRB).
  • SRB is used to transmit control information between the terminal and another terminal.
  • DRB is used to transmit data between the terminal and another terminal.
  • the resource usage mode corresponding to the service information may be: the dedicated resource mode corresponding to LCH1.
  • LCH2 corresponds to the competitive resource mode.
  • the resource usage mode corresponding to the business information can be understood as: a business corresponding to the business information transmitted using the resource usage mode is allowed.
  • the dedicated resource mode corresponding to the LCH information or LCG information can be understood as: a service corresponding to the LCH information or LCG information transmitted using the dedicated resource mode.
  • Step 102 The network device sends service information to the terminal and the resource usage pattern corresponding to the service information.
  • the network device may send the first configuration information to the terminal.
  • the first configuration information carries business information and the resource usage mode corresponding to the business information.
  • the first configuration information may be a broadcast message, or a dedicated radio resource control (Radio Resource Control, RRC) message.
  • RRC Radio Resource Control
  • the network device may send a broadcast message or an RRC reconfiguration message to the terminal.
  • the broadcast message or RRC reconfiguration message you can configure through the following examples A to C:
  • dedicated means dedicated resource mode
  • contention resource means competitive resource mode
  • LogicalChannel and LCID of Example B are correspondingly modified to DRB and DRB ID or QoS information and QCI, or LCGInfo and LCG ID, which can also be involved.
  • Step 103 The terminal obtains service information and a resource usage pattern corresponding to the service information.
  • the service information in step 103 and the resource usage pattern corresponding to the service information may be pre-stored in the terminal.
  • steps 101 and 102 may be omitted.
  • the terminal may receive the sixth message from the network device.
  • the sixth message includes a resource usage pattern corresponding to service information. In order to enable the terminal to obtain business information and the resource usage mode corresponding to the business information.
  • the sixth message may be a broadcast message or dedicated signaling.
  • Step 104 The terminal uses the resource usage mode to transmit the service corresponding to the service information on the side link.
  • step 104 may be implemented in the following manner: The terminal uses the resource corresponding to the resource usage mode to transmit the service corresponding to the service information on the side link.
  • the terminal uses the DRB or RB or LCH or LCG transmission corresponding to the dedicated resource mode according to the resource usage mode corresponding to the service information.
  • the dedicated resource transmits the corresponding service on the DRB or RB or LCH or LCG corresponding to the dedicated resource mode.
  • the corresponding service on the DRB or RB or LCH or LCG corresponding to the competitive resource mode is transmitted using the competitive resource.
  • dedicated resources and competitive resources are used to transmit services corresponding to DRB or RB or LCH or LCG.
  • LCH1 corresponds to the dedicated resource mode
  • LCH2 corresponds to the competitive resource mode.
  • the terminal uses the dedicated resource mode to transmit the service corresponding to LCH1 on the side link.
  • the terminal uses the contention resource mode to transmit the service corresponding to LCH2 on the side link.
  • the service corresponding to the LCH in the embodiment of the present application refers to the service transmitted on the LCH.
  • the business corresponding to the business target identifier refers to the service indicated in the business target identifier
  • the business corresponding to the RB refers to the service transmitted on the RB.
  • the business corresponding to the LCG refers to the business transmitted on the LCG.
  • An embodiment of the present application provides a transmission method, which sends service information and a resource usage pattern corresponding to the service information to a terminal through a network device.
  • the terminal when the terminal subsequently transmits the service, it can select the resource usage mode corresponding to the service information based on the service information to transmit the service corresponding to the service information on the side link.
  • the resource usage mode can be flexibly used to effectively utilize the wireless resources.
  • the method provided in this embodiment of the present application further includes:
  • Step 105 The terminal obtains dedicated resources allocated to the terminal.
  • the terminal detects a physical downlink control channel (Physical Downlink Control Channel, PDCCH) sent by the network device to obtain information of available dedicated resources. That is, Mode1 grants resources.
  • PDCCH Physical Downlink Control Channel
  • Step 106 The terminal multiplexes services corresponding to at least one LCH or services corresponding to at least one RB or services corresponding to at least one LCG on the dedicated resources on the dedicated resources.
  • Multiplex refers to mapping data packets onto certain resources first. That is, some bits of data packet A can be mapped on resource A. Then, after the multiplexing is completed, the terminal sends the multiplexed data (that is, some bits of the data packet A) on the resource A.
  • the terminal may also reuse services corresponding to the QCI associated with the dedicated resource mode on dedicated resources, and services corresponding to the service target identifier associated with the dedicated resource mode on dedicated resources.
  • Step 107 If the dedicated resource has remaining resources, the terminal multiplexes the first service on the remaining resources, where the first service is a service corresponding to at least one LCH or at least one RB associated with the competitive resource mode or at least A service corresponding to one LCG, or the first service is a service corresponding to at least one LCH or a service corresponding to at least one RB or a service corresponding to at least one LCG associated with a mode of jointly using dedicated resources and competitive resources.
  • the terminal multiplexes the first service on the remaining resources, where the first service is a service corresponding to at least one LCH or at least one RB associated with the competitive resource mode or at least A service corresponding to one LCG, or the first service is a service corresponding to at least one LCH or a service corresponding to at least one RB or a service corresponding to at least one LCG associated with a mode of jointly using dedicated resources and competitive resources.
  • the terminal multiplexes and transmits data based on the received Mode1 grant resource.
  • the terminal maps the data on the corresponding LCHs to Mode1 grant resources based on the LCHs that are allowed to use Mode1 grant resources.
  • the terminal can multiplex the data on the LCH transmitted through Mode 2 onto the remaining grant resources for transmission.
  • the services corresponding to at least one LCH associated with the dedicated resource mode are service 1 and service 2
  • the services corresponding to at least one LCH associated with the competitive resource mode are service 3 and service 4.
  • the size of the dedicated resource 1 is 500bit
  • the terminal may also multiplex service 3 and service 4 on the remaining resources (for example, 200 bits) of the dedicated resource 1 for transmission.
  • the method provided in this embodiment of the present application further includes: the terminal determining priorities of multiple LCHs, priorities of multiple RBs, priorities of multiple QCIs associated with the resource usage pattern, or Priority of multiple LCGs. In this way, it is convenient for the terminal to give priority to the LCH with high priority or the RB with high priority or the QCI with high priority to use the resource usage mode for transmission.
  • the terminal determines priorities of multiple LCHs, priorities of multiple RBs, priorities of multiple QCIs, or priorities of multiple LCGs associated with the dedicated resource mode.
  • the terminal may preferentially transmit LCH, RB, QCI, or LCG with a higher priority on the dedicated resource mode.
  • the terminal determines priorities of multiple LCHs, priorities of multiple RBs, priorities of multiple QCIs, or priorities of multiple LCGs associated with the contention resource mode.
  • the contention resource mode corresponds to multiple LCHs, multiple RBs, multiple QCIs, or multiple LCGs
  • the terminal may give priority to the transmission of the high priority LCH, RB, QCI, or LCG in the competitive resource mode.
  • the terminal determines the priorities of multiple LCHs, multiple RBs, multiple QCIs, or multiple LCGs associated with the resource usage pattern.
  • Way 1 or way 2 :
  • the network device sends a seventh message to the terminal.
  • the seventh message includes priorities of multiple LCHs, priorities of multiple RBs, priorities of multiple QCIs, or priorities of multiple LCGs corresponding to resource usage patterns.
  • the terminal receives the seventh message from the network device to obtain the priority of multiple LCHs corresponding to the resource usage pattern, or the priority of multiple RBs, or the priority of multiple QCIs.
  • the priorities of multiple LCHs corresponding to the dedicated resource mode are: LCH1 has a higher priority than LCH2, and LCH2 has a higher priority than LCH1.
  • the seventh message in the embodiment of the present application may be carried in the first configuration message.
  • Manner 2 The terminal determines priorities of multiple LCHs, priorities of multiple RBs, priorities of multiple QCIs, or priorities of multiple LCGs according to service requirements.
  • the dedicated resource mode can be used to replace the resource usage mode in Mode 1 and Mode 2 to determine the priority of multiple LCHs and multiple RBs corresponding to the dedicated resource mode , The priority of multiple QCIs, or the priority of multiple LCGs.
  • the dedicated The resource mode is not limited in this embodiment of the present application.
  • the method further includes:
  • Step 108 The network device sends the first message to the terminal.
  • the first message is used to instruct the terminal to obtain contention for resources.
  • the network device may send the first message to the terminal.
  • the first message may also be used to indicate that no contention resources are used.
  • the network device when allocating dedicated resources for the terminal, the network device indicates whether the terminal needs to continue to use the contention resource. For example, if the network device determines that all service transmissions on the LCH/RB/LCG of the terminal can use dedicated resources for transmission, the network device may instruct the terminal not to use competing resources. That is, the first message at this time is used to indicate that the terminal does not acquire competing resources. If the network device determines that part of the services on the LCH/RB/LCG of the terminal cannot be transmitted using dedicated resources, the network device may indicate that the terminal needs to obtain competing resources. That is, the first message at this time is used to instruct the terminal to obtain contention for resources.
  • Step 109 The terminal receives the first message from the network device.
  • the terminal determines to acquire the competitive resource.
  • the terminal may determine to stop acquiring competing resources.
  • Step 108 and step 109 show that the terminal decides whether to acquire the contention resource based on the instruction of the network device. In the actual process, the terminal can also autonomously determine whether to obtain competing resources.
  • the example process is shown in way 3-way 5:
  • Manner 3 The terminal determines that there is a service transmitted using the competitive resource mode, and the terminal determines to obtain the competitive resource. Or the terminal determines that there is no service transmitted using the competitive resource mode, and the terminal determines not to acquire the competitive resource.
  • the terminal determines that part of the LCH or RB cannot use the dedicated resource, and the terminal determines that it needs to obtain a competing resource.
  • Method 4 The terminal determines the need to obtain competitive resources according to the service type of the service.
  • the terminal determines that it needs to obtain competing resources. For example, the terminal needs to send that the current traveling area has smooth traffic, then the terminal can determine to send by competing resources without requesting the use of dedicated resources.
  • the terminal determines that the current service is a low-reliability service, the terminal determines that it needs to obtain a competitive resource.
  • Manner 5 The terminal determines to obtain competing resources based on the business information and the resource usage mode corresponding to the business information.
  • the terminal determines to obtain competing resources, determine the service on the LCH/RB/LCG using only the dedicated resource mode, and only use the LCH/RB/LCG on the competing resource mode Business. Services on LCH/RB/LCG using a combination of dedicated resources and competitive resources. Determine whether to use competing resources based on the above information.
  • the method provided in this embodiment of the present application further includes:
  • Step 110 When the first preset condition is satisfied, the terminal determines to request a dedicated resource from the network device.
  • the first preset condition includes any one or more of the following information: the arrival of a service transmitted using a dedicated resource mode, the conflict rate of use of competing resources is higher than the first threshold, or the moving speed of the terminal meets the second threshold .
  • the terminal may determine the arrival of the service transmitted using the dedicated resource mode according to the service information and the resource usage mode corresponding to the service information.
  • the services triggered by the upper layers of the terminal correspond to dedicated resource requirements.
  • Which specific type of service corresponds to the need to request dedicated resources is pre-stored in the terminal.
  • the terminal obtains it from the broadcast message sent by the network device.
  • the broadcast message sent by the network device carries the correspondence between the service type and the dedicated resource request, or the mapping relationship between the QCI information of the broadcast service and the resource usage pattern.
  • the contention conflict rate of the contention resource refers to the ratio of the time period during which the terminal does not successfully obtain the resource and the time T during channel sensing or application.
  • the contention conflict rate of competing resources also includes the probability or rate of data transmission failure when the terminal sends data on the contention resource within a certain period of time.
  • the current movement speed of the terminal meets the second threshold. For example, if it is higher than the second threshold, the network is requested to allocate dedicated resources (Configured), and if it is lower than the second threshold, dynamic grant dedicated resources can be allocated.
  • the dynamic grant refers to a dedicated resource dynamically allocated by the network device to the terminal, and the dedicated resource can be used by the terminal only in the time slot allocated to the terminal.
  • Configured grant refers to a dedicated resource allocated to the terminal by the network semi-statically. The dedicated resource can be used by the terminal for a long period of time.
  • the embodiment of the present application does not limit the first threshold and the second threshold, and can be set as needed.
  • the terminal determines to request dedicated resources from the network device. Therefore, the terminal's RRC layer triggers the terminal's Medium Access Control (MAC) layer to initiate random access (Random Access, RA) access. The terminal receives the random access response message sent by the network device.
  • MAC Medium Access Control
  • the network device may allocate a dedicated preamble for the dedicated resource request for the terminal to accelerate the access success rate of the terminal for the dedicated resource request.
  • the network device may allocate a separate set of preamble and physical random access channel (Physical Random Access Channel, PRACH) resources to the terminal requesting the dedicated resource.
  • PRACH Physical Random Access Channel
  • Step 111 The terminal sends a second message to the network device.
  • the second message includes the first indication.
  • the first indication is used to request the allocation of dedicated resources for the terminal, or the first indication is used to request the establishment of a connection for the terminal.
  • the first indication includes any one or more of the following information: indicating that dedicated resources and/or contention resources are requested; or, QoS requirement information of services on the side link; or, transmission of the side link Mode information; or, resource usage mode; or, service information using competing resource mode on the side link.
  • the QoS requirement information of the service to be transmitted includes any one or more of the following: QCI information of the service to be transmitted, or LCH information or LCG information, or RB information.
  • the second message may be message 3 (MSG3) in the random access process of the terminal.
  • the first indication may be the cause value.
  • the transmission mode information of the side link may be unicast transmission, highly reliable unicast or multicast transmission.
  • the terminal may receive the random access message 4 from the network device to confirm that the random access process is successfully completed.
  • the second message may also be an RRC message.
  • the terminal may also request dedicated resources through a dedicated RRC message after the RRC connection is established. That is to say, in the random access message, or the RRC establishment request message, the terminal does not explicitly indicate that the RRC connection is established for the dedicated resource request.
  • the terminal may carry a request for allocating dedicated resources to the terminal through the following signaling method:
  • a specific scheduling request (Scheduling request, SR) resource configured through the network requests dedicated resources.
  • the terminal receives resource request configuration information (SR configuration information) sent by the network device, and the resource request configuration information includes SR resources configured for requesting dedicated resources.
  • the terminal triggers the request for the dedicated resource, it sends an SR request through the configured SR resource requesting the dedicated resource to indicate to the network device that the terminal needs to request the dedicated resource.
  • the dedicated resource subsequently allocated by the network device depends on the buffer status report (BSR) information of the sidelink sent by the terminal. Therefore, the trigger condition for sending the SR request is that the terminal needs to request a dedicated resource.
  • BSR buffer status report
  • the BSR sent by the terminal carries special indication information requesting dedicated resources to instruct the network device to allocate dedicated resources to the terminal.
  • the terminal explicitly instructs the network device to allocate dedicated resources by sending RRC messages, such as dedicated resource request messages. However, the amount of dedicated resources allocated to the terminal is allocated based on the sidelink BSR information sent by the terminal.
  • Step 112 The network device receives the second message from the terminal.
  • step 112 if the first indication is used to request allocation of dedicated resources for the terminal, the network device allocates dedicated resources for the terminal. If the first indication is used to request to establish a connection for the terminal. After the RRC connection is established between the network device and the terminal, the RRC connection is established for the terminal. That is, after passing step 112, the terminal may acquire dedicated resources in step 105.
  • steps 110-112 in the embodiment of the present application may be executed as a separate embodiment, that is, when the terminal meets the first preset condition, the terminal may actively request the network device to allocate dedicated resources.
  • this embodiment may further include: steps 101-step 109 and steps 113-step 117.
  • the terminal may report the resource usage, as shown in FIG. 10, provided by the embodiments of the present application
  • the method further includes: Step 113: The terminal sends a data volume report to the network device.
  • Example 1 a data volume report, including: at least one of a data volume sent using a dedicated resource mode and a data volume sent using a contention resource mode.
  • the data volume report includes: the amount of data sent using the dedicated resource mode.
  • the data volume report includes: the amount of data sent using the competitive resource mode.
  • the data volume report includes: the data volume sent using the dedicated resource mode and the data volume sent using the competitive resource mode.
  • Example 2 data volume report, including: cache data volume information.
  • the cache data volume information includes at least one of the following: cache data volume information of LCH or LCG or RB configured to use the dedicated resource mode, cache data volume information of LCH or LCG or RB configured to use the competitive resource mode, and dedicated use of joint use Information about the amount of cached data in LCH or LCG or RB in resource and contention resource modes.
  • Example 3 a data volume report, including: data volume information of contention resources used by LCH or LCG or RB configured to use a dedicated resource mode.
  • the network device configures LCH1 to use the dedicated resource mode.
  • the terminal uses the competitive resource mode to transmit the service corresponding to LCH1 on the competitive resource. Therefore, the terminal can send the data amount information of the competitive resource used by LCH1 to the network device.
  • Example 4 a data volume report, including: data volume information of a competitive resource used by an LCH or LCG or RB configured to jointly use a dedicated resource and a competitive resource mode.
  • the network device configures LCH2 to jointly use the dedicated resource mode and the contention resource mode.
  • the terminal uses the dedicated resource mode and the competitive resource mode to transmit the service corresponding to LCH1 on the competitive resource and the dedicated resource. Therefore, the terminal can send the data amount information of the competitive resource used by LCH2 to the network device.
  • Example 5 a data volume report, including: the relationship between the amount of padding data sent on the side chain link and the fifth threshold, or data volume information of the filled data volume.
  • the amount of padding data refers to invalid bits. Instead of real business data bits.
  • the relationship between the amount of filling data and the fifth threshold may be: the amount of filling data is higher than the fifth threshold. Or the amount of filled data is lower than the fifth threshold.
  • the data volume report includes: the relationship between the amount of padding data that is sent on the side chain link within the first preset time and the fifth threshold.
  • the terminal may use multiple bits to represent the data volume information of the filled data volume. Since the last BSR report, the amount of padding bits sent by the UE.
  • Step 114 The network device receives the data volume report from the terminal.
  • the report of the amount of cached data corresponding to the LCH or LCG that can use both dedicated resources and competing resources can be reported based on the following rules:
  • the network device is configured with the above-mentioned LCH or LCG that can jointly use dedicated resources and competing resources to be able to use the dedicated resources and competing resources to transmit the data volume information of the service, respectively.
  • the data volume information configured to use dedicated resources to transmit services is a ratio a
  • the ratio configured to use competing resources is 1-a.
  • the ratio of using dedicated resources is a
  • the ratio of using competing resources is b.
  • the terminal determines or pre-stores in the terminal information that can be used to transmit data by dedicated resources and contention resources, respectively. For example, the terminal itself determines or pre-stores the ratio of dedicated resources that can be used in the terminal as a, so that the ratio of using competing resources is configured as 1-a. Or the ratio of using dedicated resources is a, and the ratio of using competing resources is b. Then, when reporting the amount of BSR cache data, the terminal determines the amount of data corresponding to the LCH or LCG that can be included in the reported BSR according to the quantity information determined above.
  • the terminal may report the information of the dedicated resources and the competition resources used to transmit the data determined by itself to the network device to assist the network device in allocating the appropriate amount of resources.
  • step 113 in the embodiment of the present application may be implemented in the following manner: when the second preset condition is satisfied, the terminal sends a data volume report to the network device.
  • the second preset condition includes any one or more of the following information: the terminal’s success rate in obtaining competitive resources is higher than the third threshold, the terminal determines that there is a service that needs to be transmitted using a dedicated resource mode, a preset period, and a side chain The amount of filled data of competing resources or dedicated resources on the road is higher than the third threshold.
  • the amount of data transmitted on competing resources may have certain fluctuations. For example, there are many opportunities for competing resources acquired within a certain period of time, then the amount of data transmitted on competing resources If the terminal’s success rate of obtaining competitive resources is higher than the third threshold, the terminal sends a data volume report to the network device, which can assist the network device to adjust the allocation of dedicated resources or trigger the network device to stop the allocation of dedicated resources. .
  • the preset period is not limited.
  • the network device may determine to cancel the dedicated resources allocated to the terminal, and send a reconfiguration message to the terminal.
  • the reconfiguration message is used to cancel the dedicated resource mode configured for the terminal.
  • the LCH or LCG or RB is reconfigured from the original mode of using dedicated resources to use the competitive resource mode, or a certain LCH or LCG or RB is reconfigured from the original mode of jointly using dedicated resources and competitive resources to use the competitive resource mode.
  • the network device configures the LCH or RB or LCG that can previously jointly use dedicated resources and contention resources to use contention resources.
  • the network device may reconfigure a certain LCH or LCG or DRB, for example, configure a certain LCH or LCG or DRB to use only dedicated resources, and reduce the LCH or LCG or DRB using competing resources.
  • the network device may determine whether to cancel the dedicated resource according to the amount of data sent through the contention resource in the data amount report. For example, if the amount of data that the terminal can send through the contention resource is higher than a certain value, the network device may determine that the terminal can currently obtain the contention resource relatively easily.
  • the terminal determines that the current amount of competing resources is large, and can obtain the competing resources with a high probability, and can actively request to give up using dedicated resources. That is, if the above conditions are met, the terminal directly sends a cell request to cancel the dedicated resource allocation. Or the terminal directly sends a message requesting to modify the resource usage mode of one or more LCH/LCG/DRB to a dedicated resource, etc.
  • the method provided in this embodiment of the present application further includes:
  • Step 115 The network device sends a third message to the terminal.
  • the third message is used to indicate that the resource usage mode of the first LCH or the first LCG or the first RB is switched from the first resource mode to the contention resource mode; or the third message is used to indicate the resource usage mode of the terminal from the first resource The mode is switched to the competitive resource mode.
  • the first resource mode includes: a joint use of dedicated resources and competitive resource mode, any one of dedicated resource modes.
  • Step 116 The terminal receives the third message sent by the network device.
  • Step 117 The terminal determines to cancel the cache status report. Or, the terminal determines to cancel the buffer status report triggered by the first LCH or the first LCG or the first RB. Or, the terminal determines that the buffer status report does not include the buffered data amount of the logical channel group corresponding to the first LCH or the first LCG or the first RB. Or, the terminal cancels the resource request triggered by the cache status report, and the resource request includes an SR or a random access process initiated for the resource request.
  • the buffer status report is used to indicate the amount of data to be transmitted buffered in the terminal.
  • the buffer status report is triggered when the terminal is currently using the first LCH or the first LCG or the first RB in the dedicated resource mode, or the first LCH or the first LCG or the first RB using the dedicated resource and contention resource mode jointly
  • the terminal receives a third message instructing to switch the resource usage mode of the first LCH or first LCG or first RB from the first resource mode to the contention resource mode, or the resource usage mode of the terminal from the first The third message that the resource mode is switched to the contention resource mode.
  • the terminal cancels the reporting of the buffer status report triggered by the first LCH or the first LCG or the first RB.
  • the terminal should cancel the triggered SR or the terminal should stop the triggered random access process.
  • the SR When the terminal triggers an SR, the SR is in the "Pending" state, meaning that the terminal is ready but has not yet sent the SR to the network device. However, when the terminal has assembled a media access control protocol data unit (medium access control protocol data unit, MAC PDU), and the MAC PDU contains the recently triggered buffer status report control unit, or the resources provided by the uplink authorization can accommodate All the data to be transmitted, then the SR in the "Pending" state will be cancelled, and the prohibit timer will also stop.
  • media access control protocol data unit medium access control protocol data unit, MAC PDU
  • the second preset condition for reporting the data volume report is met, if the terminal has currently acquired a certain amount of competing resources, (such as the current time slot or one or more future time slots ) Resource, when the terminal should report the data volume report, the data volume report does not include the amount of data sent on competing resources.
  • a certain amount of competing resources such as the current time slot or one or more future time slots
  • the terminal should send a data volume report to the network device for requesting 100-bit dedicated resources.
  • the terminal should report the amount of data sent to the network device to request a dedicated resource of 40 bits.
  • the method provided in this embodiment of the present application further includes the terminal sending a fourth message to the network device to The network device is caused to receive the fourth message from the terminal.
  • the fourth message is used to instruct the terminal to determine the data volume information of using the dedicated resource mode to transmit the service, and/or the determined data volume information of using the competitive resource mode to transmit the service.
  • the terminal determines that the data volume for transmitting services using the dedicated resource mode is 50% of the total service data volume.
  • the terminal determines that the data volume for transmitting service data using the competitive resource mode is 50% of the total service data volume.
  • the total amount of service data refers to the total amount of data currently to be transmitted of one or more LCH/LCG/RBs of the terminal.
  • the method provided in the embodiment of the present application further includes: the network device sending an eighth message to the terminal , So that the terminal receives the eighth message from the network device.
  • the eighth message is used to indicate the data amount information of the service transmission using the dedicated resource mode, and/or the determined data amount information of the service transmission using the competitive resource mode.
  • the terminal may adjust the dedicated resource mode or the competitive resource mode to transmit services on the side link.
  • the method provided in the embodiments of the present application also Including: terminal control dedicated resource mode or contention resource mode to transmit services on the side link.
  • the terminal controls the dedicated resource mode or the competitive resource mode to transmit services on the side link, and can be implemented in the following manner:
  • the terminal preferentially uses the dedicated resource mode or the competitive resource mode to transmit services on the side link.
  • the terminal preferentially allocates power to the dedicated resource mode.
  • the terminal performs proportional power allocation on the services transmitted on the side link using the dedicated resource mode and the competitive resource mode, respectively.
  • the terminal since the network device does not know the situation of the competitive resource selected by the terminal, there may be that the dedicated resource allocated by the network device to the terminal is the same as the competitive resource obtained by the terminal itself The situation of TTI.
  • the terminal controls the dedicated resource mode or the contention resource mode to transmit services on the side link.
  • the third preset condition includes any one or more of the following information:
  • the dedicated resources allocated by the network device to the terminal and the contention resources of the terminal are located in time slot 1. This is because even if dedicated resources and contention resources are located on different carriers or BWPs, there are different maximum transmission powers on different carriers or BWPs in the same time slot. There are also situations where power is limited. In the case of terminal power limitation, dedicated resources and contention resources will be insufficient in the same time slot.
  • Condition 2 The dedicated resource and the competitive resource are located on the same carrier, and the dedicated resource and the competitive resource have the same slot.
  • the dedicated resource allocated to the terminal and the contention resource of the terminal are both located in carrier 1, and the dedicated resource and the contention resource of the terminal are both located in time slot 1.
  • Condition 3 There is a partial overlap between the time slots of the competitive resources and the dedicated resources.
  • contention resources are located in time slot 1, time slot 2 and time slot 3, and dedicated resources are located in time slot 2 and time slot 3.
  • Condition 4 The time when the time slot of the contention resource and the dedicated resource overlap is greater than the fourth threshold.
  • the fourth threshold may be a preset symbol length.
  • the terminal can use the service target identification Select dedicated resources to send, or select competing resources to send.
  • the terminal preferentially uses the dedicated resource mode or the competitive resource mode to transmit services on the side link, including: the terminal determines to use the dedicated resource mode or the competitive resource mode according to the service target identifier Transmit services on the side link.
  • the high-speed closed front under V2X can be marked with a target ID1; dedicated resources can be used preferentially; the congestion of 2 kilometers ahead can be expressed by another target ID2. This available competitive resource.
  • another target ID3 represents the instruction that the vehicle 1 sends warning information to the vehicle, which can use dedicated resources.
  • the method provided in this embodiment of the present application further includes: the terminal sending the contention resource to the network device Information, or, the time slot of the resource that was contended for.
  • the network device receives the information of the contention resource from the terminal, or the time slot of the contention resource. Therefore, the network device can place the allocated dedicated resources and the competitive resources selected by the terminal in different time slots.
  • the dedicated resources and the contention resources of the terminal are located in different time slots, and the terminal can send data in different time slots without wasting resources. However, if the power of the terminal is not limited, there are competing resources and dedicated resources in the same time slot, which is more conducive to the terminal to quickly send data and the data transmission rate is greater.
  • the method provided in this embodiment of the present application further includes: when the number of conflicts between the competing resources and the dedicated resources is higher than the fourth threshold, the terminal sends the network device a high number of conflicts between the competing resources and the dedicated resources At the fourth threshold, so that the number of times the network device receives conflicts between the contention resource and the dedicated resource from the terminal is higher than the fourth threshold.
  • the number of conflicts between competing resources and dedicated resources refers to the number of times that competing resources and dedicated resources appear in the same time slot or overlap in existing time slots within a certain period of time.
  • the terminal when the number of conflicts between the competition resource and the dedicated resource within the preset time is higher than the fourth threshold, the terminal sends the network device the number of collisions between the competition resource and the dedicated resource within the preset time is higher than the fourth threshold.
  • the network device can explicitly instruct the terminal to select a carrier or BWP that competes for resources, and then the network device schedules dedicated resources for the terminal on the specified carrier or other carrier other than BWP .
  • the method provided in this embodiment of the present application further includes: the network device sends information about the carrier associated with the contention resource mode or BWP information to the terminal. In this way, the terminal receives the information of the carrier associated with the contention resource mode or the information of the BWP from the network device. In this way, the terminal can select the contention resource on the carrier information or BWP information associated with the contention resource mode.
  • the information of the carrier may be the identifier of the carrier.
  • the BWP information may be the BWP logo.
  • the network device may allocate dedicated resources for the terminal on carrier 3. That is, the terminal can select contention resources on carrier 2.
  • the network device may also indicate the carrier information or BWP information associated with the contention resource mode, and the first time to acquire the contention resource on the carrier indicated by the carrier information or the BWP indicated by the BWP information segment. Then, the network device may allocate dedicated resources to the terminal on the carrier or BWP outside the first time period.
  • the method provided in this embodiment of the present application further includes: the terminal sends the desired resource usage pattern on the carrier or BWP to the network device. In order for the terminal to receive the desired resource usage pattern on the carrier or BWP from the terminal.
  • the terminal may send carrier information or BWP information and a resource usage pattern associated with the carrier information or BWP information to the network device.
  • each network element such as a terminal, a network device, etc.
  • each network element includes a hardware structure and/or a software module corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driven hardware depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.
  • the functional units may be divided according to the foregoing method example terminals and network devices.
  • each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above integrated unit can be implemented in the form of hardware or software function unit. It should be noted that the division of the units in the embodiments of the present application is schematic, and is only a division of logical functions, and there may be other division manners in actual implementation.
  • FIG. 12 shows a transmission device involved in the above-mentioned embodiment.
  • the transmission device may include a processing unit 101 and a communication unit 102.
  • the processing unit 101 is configured to support the transmission device to perform step 103 performed by the terminal in the foregoing embodiment.
  • the communication unit 102 is configured to support the transmission device to perform step 104 performed by the terminal in the foregoing embodiment.
  • the processing unit 101 is also used to support the transmission device to perform steps 105, 106, 107, 110, and 117 performed by the terminal in the foregoing embodiment.
  • the communication unit 102 is also used to support the transmission device to execute the steps 109, 111, 113, and 116 performed by the terminal in the foregoing embodiment.
  • the processing unit 101 is configured to support the transmission device to perform step 101 performed by the network device in the foregoing embodiment.
  • the communication unit 102 is configured to support the transmission device to perform step 102 performed by the network device in the foregoing embodiment.
  • the communication unit 102 is further configured to support the transmission device to perform steps 108, 112, 114, and 115 performed by the network device in the foregoing embodiment.
  • FIG. 13 shows a schematic diagram of a possible logical structure of the transmission device involved in the foregoing embodiment.
  • the transmission device includes a processing module 112 and a communication module 113.
  • the processing module 112 is used to control and manage the operation of the transmission device.
  • the processing module 112 is used to perform information/data processing steps on the transmission device.
  • the communication module 113 is used to support the transmission device to perform the steps of information/data transmission or reception.
  • the transmission device may further include a storage module 111 for storing program codes and data that can be transmitted by the transmission device.
  • the communication module 113 is used to support the transmission device to perform step 104 in the foregoing embodiment.
  • the processing module 112 is configured to support the transmission device to perform step 103 in the foregoing embodiment.
  • the processing module 112 is also used to support the transmission device to perform steps 105, 106, 107, 110, and 117 performed by the terminal in the foregoing embodiment.
  • the communication module 113 is also used to support the transmission device to execute steps 109, 111, 113, and 116 performed by the terminal in the foregoing embodiment.
  • the transmission device as a network device or a chip applied in the network device as an example.
  • the communication module 113 is used to support the transmission device to perform step 102 in the foregoing embodiment.
  • the processing module 112 is configured to support the transmission device to execute step 101 in the foregoing embodiment.
  • the communication module 113 is also used to support the transmission apparatus to perform steps 108, 112, 114, and 115 performed by the network device in the foregoing embodiment.
  • the processing module 112 may be a processor or a controller, for example, it may be a central processing unit, a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic devices, transistor logic devices, Hardware components or any combination thereof. It can implement or execute various exemplary logical blocks, modules and circuits described in conjunction with the disclosure of the present invention.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication module 113 may be a transceiver, a transceiver circuit, a communication interface, or the like.
  • the storage module 111 may be a memory.
  • the processing module 112 is the processor 41 or the processor 45
  • the communication module 113 is the communication interface 43 or the transceiver
  • the storage module 111 is the memory 42
  • the user access control device involved in this application may be as shown in FIG. 5 communication device.
  • the memory 42, the processor 41 or the processor 45 and the communication interface 43 are connected to each other through a communication line 44.
  • the communication interface 43 is used to support the communication device to perform step 104 in the foregoing embodiment.
  • the processor 41 or the processor 45 is used to support the communication device to execute step 103 in the foregoing embodiment.
  • the processor 41 or the processor 45 is also used to support the communication device to perform step 105, step 106, step 107, step 110, and step 117 in the foregoing embodiment.
  • the communication interface 43 is also used to support the communication device to execute step 109, step 111, step 113, and step 116 in the foregoing embodiment.
  • the communication interface 43 is used to support the communication device to perform step 102 in the foregoing embodiment.
  • the processor 41 or the processor 45 is used to support the communication device to perform step 101 in the foregoing embodiment.
  • the communication interface 43 is also used to support the communication device to perform step 108, step 112, step 114, and step 115 in the foregoing embodiment.
  • the chip 150 includes one or more (including two) processors 1510 and a communication interface 1530.
  • the chip 150 further includes a memory 1540.
  • the memory 1540 may include a read-only memory and a random access memory, and provide operation instructions and data to the processor 1510.
  • a part of the memory 1540 may further include a non-volatile random access memory (non-volatile random access memory, NVRAM).
  • the memory 1540 stores the following elements, execution modules or data structures, or their subsets, or their extension sets.
  • the corresponding operation is performed by calling the operation instruction stored in the memory 1540 (the operation instruction may be stored in the operating system).
  • the chips used by the terminal and the network device have a similar structure, and different devices may use different chips to achieve their respective functions.
  • the processor 1510 controls the processing operation of any one of the terminal and the network device.
  • the processor 1510 may also be called a central processing unit (central processing unit, CPU).
  • the memory 1540 may include a read-only memory and a random access memory, and provide instructions and data to the processor 1510. A part of the memory 1540 may further include a non-volatile random access memory (non-volatile random access memory, NVRAM).
  • NVRAM non-volatile random access memory
  • the memory 1540, the communication interface 1530, and the memory 1540 are coupled together through a bus system 1520.
  • the bus system 1520 may include a power bus, a control bus, and a status signal bus in addition to a data bus. However, for clarity, various buses are marked as the bus system 1520 in FIG. 14.
  • the method disclosed in the above embodiments of the present application may be applied to the processor 1510, or implemented by the processor 1510.
  • the processor 1510 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1510 or an instruction in the form of software.
  • the aforementioned processor 1510 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or Other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and registers.
  • the storage medium is located in the memory 1540, and the processor 1510 reads the information in the memory 1540, and completes the steps of the above method in combination with its hardware.
  • the communication interface 1530 is used to perform the steps of receiving and sending the terminal and the network device in the embodiments shown in FIGS. 6 to 11.
  • the processor 1510 is used to execute the steps of the processing of the terminal and the network device in the embodiments shown in FIGS. 6 to 11.
  • the above communication unit may be an interface circuit or a communication interface of the device for receiving signals from other devices.
  • the communication unit is an interface circuit or a communication interface that the chip uses to receive signals from other chips or devices or send signals.
  • the instructions stored in the memory for execution by the processor may be implemented in the form of computer program products.
  • the computer program product may be written in the memory in advance, or may be downloaded and installed in the memory in the form of software.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • Computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • computer instructions can be transmitted from a website site, computer, server, or data center via wire (e.g. Coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website, computer, server or data center.
  • wire e.g. Coaxial cable, optical fiber, digital subscriber line (DSL)
  • wireless such as infrared, wireless, microwave, etc.
  • the computer-readable storage medium may be any available medium that can be stored by a computer or a data storage device including one or more available media integrated servers, data centers, and the like.
  • the available media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media (eg, solid state disk, SSD), or the like.
  • a computer-readable storage medium in which instructions are stored in the computer-readable storage medium, and when the instructions are executed, the terminal or the chip applied in the terminal executes steps 103, 104, and 105 in the embodiment , Step 106, Step 107, Step 109, Step 110, Step 111, Step 113, Step 116 and Step 117.
  • a computer-readable storage medium stores instructions.
  • the network device or the chip applied in the network device executes steps 101 and 102 in the embodiment. , Step 108, step 112, step 114, step 115.
  • the foregoing readable storage medium may include various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
  • a computer program product including instructions.
  • the computer program product stores instructions.
  • the terminal or the chip applied in the terminal performs steps 103, 104, 105 in the embodiment.
  • a computer program product including instructions.
  • the computer program product stores instructions.
  • the network device or the chip applied in the network device performs steps 101 and 102 in the embodiment. Step 108, step 112, step 114, step 115.
  • a chip is provided.
  • the chip is applied in a terminal.
  • the chip includes at least one processor and a communication interface.
  • the communication interface is coupled to at least one processor.
  • the processor is used to execute instructions to perform step 103 and step in the embodiment. 104, step 105, step 106, step 107, step 109, step 110, step 111, step 113, step 116 and step 117.
  • a chip is provided.
  • the chip is used in a network device.
  • the chip includes at least one processor and a communication interface.
  • the communication interface is coupled to at least one processor.
  • the processor is used to execute instructions to perform step 101 in the embodiment. , Step 102, Step 108, Step 112, Step 114, Step 115.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • the computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website, computer, server, or data center via wire (e.g.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers and data centers that can be integrated with the medium.
  • the usable media may be magnetic media (for example, floppy disk, hard disk, magnetic tape), optical media (for example, DVD), or semiconductor media (for example, solid state disk (SSD)).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Dans certains de ses modes de réalisation, la présente invention concerne un procédé et un dispositif de transmission se rapportant au domaine technique des communications. L'invention sert à utiliser des ressources de transmission de liaison latérale de façon à augmenter la fiabilité de transmission de liaison latérale. Le procédé de transmission comprend les étapes suivantes : un terminal obtient des informations de service ainsi qu'un modèle d'utilisation de ressources correspondant aux informations de service; le terminal utilise le modèle d'utilisation de ressources pour transmettre sur une liaison latérale un service correspondant aux informations de service. Le modèle d'utilisation de ressources comprend l'un quelconque des modèles suivants : modèles de ressources dédiées, modèle de compétition de ressources, et modèle combinant l'utilisation des ressources dédiées et la compétition de ressources. De cette manière, lorsque le terminal est engagé dans un service de transmission suivant, il peut sélectionner, sur la base des informations de service, un modèle d'utilisation de ressources correspondant aux informations de service, afin de transmettre sur une liaison latérale un service correspondant aux informations de service. L'invention permet l'utilisation flexible d'un modèle d'utilisation de ressources et donc l'utilisation efficace de ressources sans fil, tout en assurant des exigences de QoS de service.
PCT/CN2019/128911 2018-12-29 2019-12-26 Appareil et procédé de transmission Ceased WO2020135640A1 (fr)

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