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WO2022000143A1 - Procédé et appareil de transmission de données, et support de stockage - Google Patents

Procédé et appareil de transmission de données, et support de stockage Download PDF

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Publication number
WO2022000143A1
WO2022000143A1 PCT/CN2020/098621 CN2020098621W WO2022000143A1 WO 2022000143 A1 WO2022000143 A1 WO 2022000143A1 CN 2020098621 W CN2020098621 W CN 2020098621W WO 2022000143 A1 WO2022000143 A1 WO 2022000143A1
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WIPO (PCT)
Prior art keywords
dmrs
data transmission
information
dmrs configuration
configuration information
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
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PCT/CN2020/098621
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English (en)
Chinese (zh)
Inventor
朱亚军
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.)
Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2020/098621 priority Critical patent/WO2022000143A1/fr
Priority to CN202080001392.7A priority patent/CN111919415B/zh
Publication of WO2022000143A1 publication Critical patent/WO2022000143A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a data transmission method and device, and a storage medium.
  • the coverage performance of the network is very important. This directly affects the operator's network deployment. In the case of dense network deployment, the coverage performance of the network will be better, but it will increase the cost of the operator. In the case of sparse network deployment, the coverage performance of the network is relatively poor.
  • the repeated transmission mode is used to enhance the coverage performance of the network.
  • the performance of uplink coverage is improved through repeated transmission in the time domain.
  • the method of repeated transmission in the time domain will result in a low utilization rate of spectrum resources and additional delay.
  • the related art also points out that the demodulation reference signal (Demodulation Reference) transmitted between different time slots (slots) or the same user's Physical Uplink Shared Channel (PUSCH) within the same time slot Signal, DMRS) to perform joint channel estimation (Joint Channel Estimation) to improve the accuracy of channel estimation, thereby improving the coverage performance of the network.
  • the configuration of the DMRS is fixed and therefore cannot be changed dynamically, which makes joint channel estimation impossible for the transmission of different DMRSs.
  • the embodiments of the present disclosure provide a data transmission method and device, and a storage medium.
  • a data transmission method which is applied to a network device.
  • the data transmission method includes: determining demodulation reference signal DMRS configuration information, where the DMRS configuration information at least includes a signal used to indicate the DMRS.
  • the parameters of the time domain location ; send the DMRS configuration information.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate the time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; Among them, n is a positive integer greater than or equal to 0.
  • the DMRS configuration information is a bit sequence, and the bit sequence includes bits used to indicate the at least one DMRS configuration.
  • the sending the DMRS configuration information includes: sending the DMRS configuration information through a first scheduling instruction, wherein the DMRS configuration information is carried in a first information field of the first scheduling instruction, and the The first information field includes at least a bit value used to indicate a DMRS configuration used for data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the data transmission method further includes: sending first information, where the first information is used to indicate activation of dynamic adjustment of the DMRS configuration information, or to indicate inactivation of dynamic adjustment of the DMRS configuration information .
  • the data transmission method further includes: sending second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • the sending the second information includes: sending the second information through a second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction
  • the DMRSs correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction The DMRS correspond to the same DMRS sequence.
  • the sending the DMRS configuration information includes: sending the DMRS configuration information through higher layer signaling or physical layer signaling.
  • different terminals correspond to different DMRS configuration information.
  • the data transmission method includes: receiving demodulation reference signal DMRS configuration information, where the DMRS configuration information at least includes a parameter used to indicate a time domain position of the DMRS .
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate the time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; Among them, n is a positive integer greater than or equal to 0.
  • the DMRS configuration information is a bit sequence, and the bit sequence includes bits used to indicate the at least one DMRS configuration.
  • the receiving DMRS configuration information includes: receiving the DMRS configuration information through a first scheduling instruction, wherein the DMRS configuration information is carried in a first information field of the first scheduling instruction, and the The first information field includes at least a bit value used to indicate a DMRS configuration used for data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the data transmission method further includes: receiving first information, where the first information is used to indicate activation of dynamic adjustment of the DMRS configuration information, or to indicate inactivation of dynamic adjustment of the DMRS configuration information .
  • the data transmission method further includes: receiving second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • the receiving the second information includes: receiving the second information through a second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction
  • the DMRSs correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction The DMRS correspond to the same DMRS sequence.
  • the data transmission method further includes: performing joint channel estimation based on the same DMRS sequence.
  • the receiving the DMRS configuration information includes: receiving the DMRS configuration information through higher layer signaling or physical layer signaling.
  • a data transmission apparatus which is applied to a network device, the data transmission apparatus comprising: a determination unit configured to determine demodulation reference signal DMRS configuration information, where the DMRS configuration information at least Including a parameter for indicating the time domain position of the DMRS; the sending unit is configured to send the DMRS configuration information.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate the time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; Among them, n is a positive integer greater than or equal to 0.
  • the DMRS configuration information is a bit sequence, and the bit sequence includes bits used to indicate the at least one DMRS configuration.
  • the sending unit is further configured to: send the DMRS configuration information through a first scheduling instruction, wherein the DMRS configuration information is carried in the first information field of the first scheduling instruction, and the The first information field includes at least a bit value used to indicate a DMRS configuration used for data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the sending unit is further configured to: send first information, where the first information is used to indicate activation of dynamic adjustment of the DMRS configuration information, or to indicate inactivation of dynamic adjustment of the DMRS configuration information.
  • the sending unit is further configured to send second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • the sending unit is further configured to send the second information through the second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction
  • the DMRSs correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction The DMRS correspond to the same DMRS sequence.
  • the sending unit is further configured to: send the DMRS configuration information through higher layer signaling or physical layer signaling.
  • different terminals correspond to different DMRS configuration information.
  • a data transmission apparatus characterized in that, when applied to a terminal, the data transmission apparatus includes: a receiving unit configured to receive demodulation reference signal DMRS configuration information, the DMRS
  • the configuration information includes at least parameters for indicating the time domain location of the DMRS.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate the time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; Among them, n is a positive integer greater than or equal to 0.
  • the DMRS configuration information is a bit sequence, and the bit sequence includes bits used to indicate the at least one DMRS configuration.
  • the receiving unit is further configured to: receive the DMRS configuration information through a first scheduling instruction, wherein the DMRS configuration information is carried in the first information field of the first scheduling instruction, and the The first information field includes at least a bit value used to indicate a DMRS configuration used for data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the receiving unit is further configured to: receive first information, where the first information is used to indicate activation of dynamic adjustment of the DMRS configuration information, or to indicate inactivation of dynamic adjustment of the DMRS configuration information.
  • the receiving unit is further configured to: receive second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • the receiving unit is further configured to: receive the second information based on the second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction
  • the DMRSs correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction The DMRS correspond to the same DMRS sequence.
  • the data transmission apparatus further includes: a processing unit configured to perform joint channel estimation based on the same DMRS sequence.
  • the receiving unit is further configured to receive the DMRS configuration information through higher layer signaling or physical layer signaling.
  • a data transmission apparatus applied to a network device, comprising: a processor; and a memory for storing instructions executable by the processor, wherein the processor is configured to execute the aforementioned first
  • a data transmission method provided by any technical solution.
  • a non-transitory computer-readable storage medium when the instructions in the storage medium are executed by a processor of a network device, the network device can execute any technique of the foregoing first aspect The data transfer method provided by the program.
  • a data transmission apparatus applied to a terminal comprising: a processor; and a memory for storing instructions executable by the processor, wherein the processor is configured to: execute the foregoing first step.
  • the data transmission method provided by any technical solution.
  • a non-transitory computer-readable storage medium is provided.
  • the terminal can execute any technical solution of the second aspect. data transfer method.
  • the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: determining demodulation reference signal DMRS configuration information, where the DMRS configuration information at least includes parameters used to indicate the time domain location of the DMRS; and sending the DMRS configuration information. This enables the time domain position of the DMRS to be dynamically adjusted in the case of limited network coverage or any appropriate situation, thereby effectively improving the coverage performance of the network.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an exemplary embodiment.
  • Fig. 2 is a schematic diagram of repeated transmission according to an exemplary embodiment.
  • Fig. 3 is a schematic diagram showing a joint channel estimation according to an exemplary embodiment.
  • Fig. 4 is a flowchart of a data transmission method according to an exemplary embodiment.
  • Fig. 5 is a schematic diagram showing a DMRS configuration according to an exemplary embodiment.
  • Fig. 6 is a flowchart of a data transmission method according to an exemplary embodiment.
  • Fig. 7 is a flowchart showing a data transmission method according to an exemplary embodiment.
  • Fig. 8 is a flowchart of a data transmission method according to an exemplary embodiment.
  • Fig. 9 is a flowchart showing a data transmission method according to an exemplary embodiment.
  • Fig. 10 is a flowchart showing a data transmission method according to an exemplary embodiment.
  • Fig. 11 is a block diagram of a data transmission apparatus according to an exemplary embodiment.
  • Fig. 12 is a block diagram of a data transmission apparatus according to an exemplary embodiment.
  • Fig. 13 is a block diagram of a data transmission apparatus according to an exemplary embodiment.
  • Fig. 14 is a block diagram of an apparatus for data transmission according to an exemplary embodiment.
  • Fig. 15 is a block diagram of an apparatus for data transmission according to an exemplary embodiment.
  • the wireless communication system includes a network device and a terminal.
  • the terminal is connected to the network device through wireless resources, and performs data transmission.
  • the wireless communication system shown in FIG. 1 is only a schematic illustration.
  • the wireless communication system may further include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, etc., which are not shown in FIG. 1 .
  • the embodiments of the present disclosure do not limit the number of network devices and the number of terminals included in the wireless communication system.
  • the wireless communication system is a network providing a wireless communication function.
  • Wireless communication systems can use different communication technologies, such as Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Time Division Multiple Access (TDMA) , Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency-Division Multiple Access, OFDMA), Single Carrier Frequency Division Multiple Access (Single Carrier FDMA, SC-FDMA), carrier sense Multiple access/collision avoidance (Carrier Sense Multiple Access with Collision Avoidance, CSMA/CA).
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • Single Carrier Frequency Division Multiple Access Single Carrier Frequency Division Multiple Access
  • SC-FDMA SC-FDMA
  • carrier sense Multiple access/collision avoidance Car
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 2G International: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • New Radio New Radio
  • the present disclosure will sometimes refer to a wireless communication network simply as a network.
  • the wireless access network equipment may be: a base station, an evolved NodeB (eNodeB or eNB), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless medium
  • eNodeB or eNB evolved NodeB
  • AP access point
  • WIFI wireless fidelity
  • the relay node, wireless backhaul node, transmission point (TP) or transmission and reception point (Transmission and Reception Point, TRP), etc. can also be a base station (gNodeB or gNB) in the NR system, or can also be composed of A component or part of equipment of a base station, etc.
  • gNodeB or gNB base station
  • the specific technology and specific device form adopted by the network device are not limited.
  • a network device may provide communication coverage for a specific geographic area, and may communicate with terminals located within that coverage area (cell).
  • the network device may also be an in-vehicle device.
  • V2X vehicle-to-everything
  • the terminal involved in the present disclosure may also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
  • a device that provides voice and/or data connectivity for example, a terminal may be a handheld device with wireless connectivity, a vehicle-mounted device, or the like.
  • some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
  • Pilots play an important role in wireless communication systems, for example, they can be used for channel detection or physical channel demodulation. For example, transmission between wireless devices is often affected by noisy channel conditions and interference. In this case, pilots may be inserted into transmissions between wireless devices to aid in coherent channel estimation. Pilots are known signals that receivers can use to perform channel estimation to help decode received messages.
  • the demodulation reference signal DMRS can be used for channel estimation in the communication between the user equipment and the base station. Based on the channel estimation, the attenuation of the channel to the wireless signal sent by the base station can be determined. The user equipment obtains the signal strength threshold according to the attenuation of the wireless signal, thereby assisting the user equipment in demodulating the data delivered by the base station.
  • the DMRS may be multiplexed with data in messages from the transmitter to the receiver, thereby helping the receiver to estimate channel quality, which in turn may be used by the receiver to assist in the demodulation and decoding of received messages.
  • the 3GPP proposed to use the unlicensed frequency band through the LAA (License Assisted Access, License Assisted Access) mechanism. That is, the use of unlicensed frequency bands is assisted by licensed frequency bands.
  • the LBT Listen Before Talk
  • the sender needs to detect whether the channel is idle when there is data to be sent. The sender can send data only after the channel is in an idle state.
  • the generation of the DMRS sequence is bound to the identification of the time domain unit.
  • the initialization method for the generation of the DMRS sequence for PDSCH Physical Downlink Shared Channel, physical downlink shared channel is:
  • c init is the initial value of the DMRS sequence; is the number of symbols included in a slot; is the number of time slots included in a radio frame in the case of the subcarrier spacing configuration ⁇ ; l is the sequence number of symbols in a time slot, is the cell ID (Identification, ID) of the serving cell, and n SCID is an offset value.
  • the repeated transmission method is used to enhance the coverage performance of the network.
  • the method shown in FIG. 2 adopts the method of repeated transmission in the time domain, thereby providing the performance of uplink coverage.
  • Machine-Type Communication (MTC) and Narrow Band Internet of Things (NB-IoT) are typical representatives of cellular IoT technologies and have been widely used in smart cities (such as meter reading), Smart agriculture, (such as the collection of information such as temperature and humidity) and smart transportation (such as shared bicycles) and many other fields.
  • repeated transmission is used in MTC and NB-IoT to accumulate power, thereby achieving the effect of coverage enhancement.
  • repeated transmission is the transmission of the same transmission over multiple time units. This time unit may be one subframe or multiple subframes.
  • the channel status of the terminal may change, and the channel status (for example, the channel status may be reported by the terminal) on which the base station configures the number of repeated transmissions of uplink data for the terminal may be inaccurate, it may occur that the base station configures the user Excessive number of repeated transmissions.
  • the terminal transmits according to the number of repeated transmissions configured by the base station, resulting in too many repeated transmissions and waste of channel resources and terminal power. Therefore, the method of repeated transmission in the time domain will lead to a low utilization rate of spectrum resources. In addition, the method of repeated transmission in the time domain will bring additional delay.
  • the coverage performance of PUSCH is a bottleneck.
  • the accuracy of channel estimation is improved by performing joint channel estimation between DMRS transmitted by the same user's PUSCH between different time slots or within the same time slot, thereby improving the coverage performance of the network.
  • the transmission of DMRS can perform joint channel estimation, thereby improving the accuracy of channel estimation.
  • the configuration of the DMRS is fixed, so it cannot be changed dynamically, which results in that the transmission of different DMRSs cannot perform joint channel estimation.
  • the DMRS transmission is dynamically adjustable, thereby improving the coverage performance of the network, which is a feasible technical solution. That is to say, in the case of limited network coverage, by flexibly adjusting the DMRS transmission method, the coverage performance of the network can be effectively improved.
  • FIG. 4 is a flowchart of a data transmission method according to an exemplary embodiment.
  • the data transmission method applied to a network device includes the following steps S11 and S12.
  • step S11 the demodulation reference signal DMRS configuration information is determined, and the DMRS configuration information includes at least a parameter used to indicate the time domain position of the DMRS.
  • step S12 DMRS configuration information is sent.
  • the time domain location of the DMRS can be dynamically adjusted in the case of limited network coverage or any appropriate situation.
  • the network device can determine the DMRS configuration information and send the DMRS configuration information. Since the DMRS configuration information includes parameters for indicating the time domain location of the DMRS, this enables flexible adjustment of the DMRS transmission, thus improving the coverage performance of the network.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate a time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; wherein , where n is a positive integer greater than or equal to 0.
  • Fig. 5 is a schematic diagram showing a DMRS configuration according to an exemplary embodiment.
  • at least one DMRS configuration is pre-configured, for example, N+1 DMRS configurations in FIG. 5 , that is, DMRS configuration 0, DMRS configuration 1, DMRS configuration 2, and DMRS configuration 3 , ... DMRS configuration N.
  • These DMRS configurations may be pre-configured, for example, based on data transmission performance simulation and analysis results between network devices and terminals. It should be noted that these are merely examples for preconfigured DMRS configurations, and embodiments of the present disclosure are not so limited.
  • each DMRS configuration indicates a transmission position of the DMRS in the time domain.
  • Each DMRS configuration indicates n DMRS time domain locations, where n is a positive integer greater than or equal to 0.
  • each DMRS configuration may indicate one DMRS time domain location.
  • DMRS configuration 1 and DMRS configuration 2 respectively indicate 1 DMRS time domain location, ie, one sub-slot in each time slot can be selected as the time domain transmission location of DMRS, for example, in DMRS Subslot 1 in configuration 1 or subslot 7 in DMRS configuration 2.
  • the network device can configure one or more DMRS configurations for the terminal; and when the network device can configure multiple DMRS configurations for the terminal, these DMRS configurations may be completely different or not identical.
  • DMRS time-domain locations described above is only an exemplary illustration, and the number of DMRS time-domain locations indicated by each DMRS configuration may be pre-configured according to factors such as network equipment, terminals, and application scenarios, and the embodiments of the present disclosure Not subject to this restriction.
  • each DMRS configuration may indicate one or more DMRS time domain locations. As shown in FIG. 5, DMRS configuration 3 indicates 2 DMRS time domain positions, and DMRS configuration N indicates 5 DMRS time domain positions. It should be noted that the number of DMRS time-domain locations described above is only an exemplary illustration, and the number of DMRS time-domain locations indicated by each DMRS configuration may be pre-configured according to factors such as network equipment, terminals, and application scenarios, and the embodiments of the present disclosure Not subject to this restriction.
  • the DMRS configuration information is a bit sequence bitmap, and the bit sequence includes bits used to indicate at least one DMRS configuration.
  • the bit sequence bitmap is a series of bits, and the length of the bits is not limited.
  • sending the DMRS configuration information includes: sending the DMRS configuration information through a first scheduling instruction.
  • the DMRS configuration information is carried in the first information field of the first scheduling instruction.
  • the first information field includes at least a bit value used to indicate a DMRS configuration used for data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable. In an embodiment of the present disclosure, the position of the first information field in the first scheduling instruction is fixed, and the position of the first information field is determined; in the embodiment of the present disclosure, the position of the first information field may be It is determined based on the communication protocol or pre-configured based on the network side device and the terminal, which is not limited in the embodiments of the present disclosure. In this case, the DMRS configuration information is indicated by an information field at a fixed position in the first scheduling instruction during each scheduling. In an embodiment of the present disclosure, the position of the first information field in the first scheduling instruction is configurable, that is, the position of the first information field may not be fixed.
  • the location of the first information field in the scheduling instruction can be pre-configured through high-layer signaling or physical layer signaling, so that the information in the first information field is used to indicate the data transmission used in the scheduled data transmission in this scheduling instruction.
  • the configuration information of the DMRS that is, the transmission location information of the DMRS.
  • the data transmission method further includes: sending first information, where the first information is used to indicate activation of the dynamic adjustment of the DMRS configuration information, or to indicate the inactivation of the dynamic adjustment of the DMRS configuration information. In an embodiment of the present disclosure, the data transmission method further includes: sending first information, where the first information is used to indicate activation of one or more DMRS configuration information among the plurality of DMRS configuration information.
  • the network device can be configured through the first information, whether the corresponding terminal activates the aforementioned DMRS configuration information.
  • the DMRS configuration information can be sent to the terminals in a broadcast manner, and each terminal can individually indicate whether to activate the DMRS configuration information through the first information. This can save signaling overhead.
  • the DMRS configuration information can be sent to each terminal in a broadcast manner, and each terminal can be individually instructed whether to activate the DMRS configuration information through the first information or any other appropriate information. This can save signaling overhead.
  • a plurality of DMRS configuration information can be sent to the terminal in a broadcast manner, and each terminal can be individually indicated by first information or any other appropriate information whether to activate the DMRS configuration information, and whether to activate the multiple DMRS configuration information.
  • One or more DMRS configuration information in the pieces of DMRS configuration information can save signaling overhead.
  • Fig. 6 is a flowchart of a data transmission method according to an exemplary embodiment.
  • the data transmission method applied to a network device includes the following steps S21 to S23.
  • step S21 the demodulation reference signal DMRS configuration information is determined, and the DMRS configuration information includes at least a parameter used to indicate the time domain position of the DMRS.
  • step S22 DMRS configuration information is sent.
  • step S23 first information is sent, where the first information is used to indicate activation of the dynamic adjustment of the DMRS configuration information, or to indicate the inactivation of the dynamic adjustment of the DMRS configuration information.
  • step S21, step S22, and step 23 can be adjusted at will. That is: the step S23 of sending the first information for activating or deactivating the dynamic adjustment of the DMRS configuration information can be performed in any time slot of the method, which is not limited in the embodiments of the present disclosure.
  • the data transmission method further includes: sending second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • Fig. 7 is a flowchart showing a data transmission method according to an exemplary embodiment.
  • the data transmission method applied to a network device includes the following steps S31 to S33.
  • step S31 the demodulation reference signal DMRS configuration information is determined, and the DMRS configuration information includes at least a parameter used to indicate the time domain position of the DMRS.
  • step S32 DMRS configuration information is sent.
  • step S33 the second information is sent, and the second information is used to indicate the DMRS sequence information corresponding to the time domain position.
  • step S33 of sending the second information may be performed in any time slot of the method, which is not limited in this embodiment of the present disclosure.
  • the first information and the DMRS configuration information may be carried in the same signaling, or may be carried in different signaling; the embodiments of the present disclosure do not limit this.
  • the foregoing steps S31-S33 may include any other steps in the embodiments of the present disclosure, for example, may include step S23, and the execution time slots of these other steps included may be the foregoing steps S31-S33
  • the embodiment of the present disclosure does not limit the execution time slot of each step in the method.
  • the above-mentioned embodiment about sending the second information can be used in conjunction with the foregoing embodiment about the parameter of the time domain location of the DMRS. That is, as described in conjunction with FIG. 7 , determine DMRS configuration information including at least parameters for indicating the time domain position of the DMRS, send the DMRS configuration information, and send second information for indicating the DMRS sequence information corresponding to the time domain position.
  • the above-mentioned embodiment about sending the second information can also be used independently, that is, the DMRS sequence information is sent independently from the DMRS time domain location information.
  • the embodiments used together with the foregoing embodiments are described; of course, those skilled in the art can understand that such examples do not limit the embodiments of the present disclosure.
  • sending the second information includes: sending the second information through a second information field in the second scheduling instruction.
  • the second information, the first information, and the DMRS configuration information may be carried in the same signaling, or may be partially carried in the same signaling, or may be all carried in different signaling order; the embodiments of the present disclosure do not limit this.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the first value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs in the time domain positions correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the second value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs at the time domain positions correspond to the same DMRS sequence.
  • the first bit value when the first bit value is "0", it is used to indicate that the DMRS at each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction corresponds to the same DMRS sequence, and the first bit bit When the value is "1", it is used to indicate that the DMRS at each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction corresponds to a different DMRS sequence.
  • the labels corresponding to the values may be reversed, and details are not described herein again.
  • two different bits may be used to indicate the configuration information of the DMRS sequence; that is, the first bit indicates each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRS at the time domain position corresponds to the same DMRS sequence; the second bit indicates that the DMRS at each DMRS time domain position in the DMRS time domain position indicated in the second scheduling instruction corresponds to a different DMRS sequence.
  • sending the DMRS configuration information includes: sending the DMRS configuration information through higher layer signaling or physical layer signaling.
  • the sequence information of the DMRS is indicated on a fixed or configurable information field in the scheduling instruction, where the sequence information represents an indication of whether joint channel estimation can be performed. For example, “0" means that the DMRS at each position uses an independent DMRS sequence, and "1" means that the DMRS at each position uses the same DMRS sequence.
  • the scheduling instruction indicates that the DMRS on each location uses the same DMRS sequence
  • the scheduling instruction schedules transmission of multiple PUSCHs
  • the DMRS on each PUSCH uses the same DMRS sequence, such as using The DMRS sequence determined at the DMRS transmission position on the first scheduled PUSCH.
  • the scheduling instruction schedules the transmission of one PUSCH
  • the DMRSs of the PUSCH transmissions scheduled by different scheduling instructions use the same sequence, for example, use a default DMRS sequence.
  • different terminals correspond to different DMRS configuration information.
  • the time domain transmission position of the DMRS is indicated in the DMRS configuration.
  • Different terminals may have different DMRS configuration tables. In the case of limited network coverage, this method can flexibly adjust the DMRS transmission method, thereby effectively improving the coverage performance of the network.
  • the DMRS configuration information corresponding to each terminal is sent through terminal-specific high-level signaling or physical layer signaling, that is, sent in a unicast manner.
  • sending the first information includes: sending the first information based on a third information field in higher layer signaling or physical layer signaling.
  • the third information field includes at least bits with a third value used to indicate activation of DMRS configuration information; or the third information field includes at least bits with a third value used to indicate inactive DMRS configuration information Four value bits.
  • the location of the third information field in the higher layer signaling or the physical layer signaling is fixed.
  • the dynamic DMRS adjustment mechanism described above can be activated or deactivated through higher layer signaling or physical layer signaling. For example, whether to activate or not to activate the above-mentioned dynamic DMRS adjustment mechanism is indicated on a certain fixed information field of high-layer signaling or physical-layer signaling. In an embodiment of the present disclosure, for example, "0" represents activation, and "1" represents inactivation.
  • the information in the physical layer signaling for detecting activation or inactivation may be pre-configured.
  • an embodiment of the present disclosure also provides a data transmission method, which is applied to a terminal.
  • Fig. 8 is a flowchart of a data transmission method according to an exemplary embodiment. Referring to FIG. 8 , the data transmission method applied to the terminal includes the following step S41.
  • step S41 demodulation reference signal DMRS configuration information is received, where the DMRS configuration information at least includes a configuration for indicating the time domain position of the DMRS.
  • the time domain location of the DMRS can be dynamically adjusted in the case of limited network coverage or any appropriate situation.
  • the terminal device can receive demodulation reference signal DMRS configuration information, where the DMRS configuration information at least includes a configuration for indicating the time domain position of the DMRS. Since the DMRS configuration information includes parameters for indicating the time domain location of the DMRS, this enables flexible adjustment of the DMRS transmission, thus improving the coverage performance of the network.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate a time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; wherein , where n is a positive integer greater than or equal to 0.
  • the network device can configure one or more DMRS configurations for the terminal; and when the network device can configure multiple DMRS configurations for the terminal, these DMRS configurations may be completely different or not identical.
  • each DMRS configuration may indicate one or more DMRS time domain locations. As shown in FIG. 5, DMRS configuration 3 indicates 2 DMRS time domain positions, and DMRS configuration N indicates 5 DMRS time domain positions.
  • DMRS time-domain locations described above is only an exemplary illustration, and the number of DMRS time-domain locations indicated by each DMRS configuration may be pre-configured according to factors such as network equipment, terminals, and application scenarios, and the embodiments of the present disclosure Not subject to this restriction.
  • the DMRS configuration information is a bit sequence bitmap, and the bit sequence includes bits used to indicate at least one DMRS configuration.
  • the bit sequence bitmap is a series of bits, and the length of the bits is not limited.
  • receiving DMRS configuration information includes: receiving DMRS configuration information by using a first scheduling instruction, where the DMRS configuration information is carried in a first information field of the first scheduling instruction, and the first information field at least includes information for A bit value indicating the DMRS configuration used by the data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the position of the first information field in the first scheduling instruction is fixed.
  • the configuration information of the DMRS is indicated by the information field at the fixed position in the first scheduling instruction during each scheduling.
  • the position of the first information field in the first scheduling instruction is configurable, the position of the first information field may not be fixed.
  • the location of the first information field in the scheduling instruction can be pre-configured through high-layer signaling or physical layer signaling, so that the information in the first information field is used to indicate the data transmission used in the scheduled data transmission in this scheduling instruction.
  • the configuration information of the DMRS that is, the transmission location information of the DMRS.
  • the data transmission method further includes: receiving first information, where the first information is used to instruct to activate the dynamic adjustment of the DMRS configuration information, or to instruct not to activate the dynamic adjustment of the DMRS configuration information.
  • Fig. 9 is a flowchart showing a data transmission method according to an exemplary embodiment.
  • the data transmission method applied to the terminal includes the following steps S51 and S52.
  • step S51 demodulation reference signal DMRS configuration information is received, where the DMRS configuration information at least includes a configuration for indicating the time domain position of the DMRS.
  • step S52 first information is received, where the first information is used to indicate activation of the dynamic adjustment of the DMRS configuration information, or to indicate the inactivation of the dynamic adjustment of the DMRS configuration information.
  • the data transmission method further includes: receiving first information, where the first information is used to instruct activation of one or more DMRS configuration information in the plurality of DMRS configuration information.
  • the network device can be configured through the first information, whether the corresponding terminal activates the aforementioned DMRS configuration information.
  • the DMRS configuration information can be sent to the terminals in a broadcast manner, and each terminal can individually indicate whether to activate the DMRS configuration information through the first information. This can save signaling overhead.
  • the DMRS configuration information can be sent to each terminal in a broadcast manner, and each terminal can be individually instructed whether to activate the DMRS configuration information through the first information or any other appropriate information. This can save signaling overhead.
  • a plurality of DMRS configuration information can be sent to the terminal in a broadcast manner, and each terminal can be individually indicated by first information or any other appropriate information whether to activate the DMRS configuration information, and whether to activate the multiple DMRS configuration information.
  • One or more DMRS configuration information in the pieces of DMRS configuration information can save signaling overhead.
  • the data transmission method further includes: receiving second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • Fig. 10 is a flowchart showing a data transmission method according to an exemplary embodiment.
  • the data transmission method applied to the terminal includes the following steps S61 and S62.
  • step S61 demodulation reference signal DMRS configuration information is received, where the DMRS configuration information at least includes a configuration for indicating the time domain position of the DMRS.
  • step S62 the second information is received, where the second information is used to indicate the DMRS sequence information corresponding to the time domain position.
  • the above-mentioned embodiments about receiving the second information can be used in conjunction with the aforementioned embodiments about the parameters of the time domain location of the DMRS. That is, as described in conjunction with FIG. 10 , the DMRS configuration information is received, the DMRS configuration information includes at least the configuration used to indicate the time domain position of the DMRS, and the second information used to indicate the DMRS sequence information corresponding to the time domain position is received.
  • the above-mentioned embodiment about receiving the second information can also be used independently, that is, the DMRS sequence information is received independently from the DMRS time domain location information.
  • the embodiments used together with the foregoing embodiments are described; of course, those skilled in the art can understand that such examples do not limit the embodiments of the present disclosure.
  • receiving the second information includes: receiving the second information through a second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that the DMRS at each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction corresponds to a different DMRS sequence.
  • the first identifier may be a first bit, and the first value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction.
  • the DMRSs in the time domain positions correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the second value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs at the time domain positions correspond to the same DMRS sequence.
  • the first bit value when the first bit value is "0", it is used to indicate that the DMRS at each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction corresponds to the same DMRS sequence, and the first bit bit When the value is "1", it is used to indicate that the DMRS at each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction corresponds to a different DMRS sequence.
  • the labels corresponding to the values may be reversed, and details are not described herein again.
  • two different bits may be used to indicate the configuration information of the DMRS sequence; that is, the first bit indicates each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRS at the time domain position corresponds to the same DMRS sequence; the second bit indicates that the DMRS at each DMRS time domain position in the DMRS time domain position indicated in the second scheduling instruction corresponds to a different DMRS sequence.
  • the data transmission method further includes: performing joint channel estimation based on the same DMRS sequence.
  • sending the DMRS configuration information includes: receiving the DMRS configuration information through higher layer signaling or physical layer signaling.
  • receiving the first information includes: receiving the first information based on a third information field in higher layer signaling or physical layer signaling.
  • the third information field includes at least bits with a third value used to indicate activation of DMRS configuration information; or the third information field includes at least bits with a third value used to indicate inactive DMRS configuration information Four value bits.
  • two different bits may be used to indicate whether to activate the DMRS configuration information, and different values of one bit may be used to indicate whether to activate the DMRS configuration information.
  • the location of the third information field in the higher layer signaling or the physical layer signaling is fixed.
  • FIG. 11 is a block diagram of a data transmission apparatus according to an exemplary embodiment.
  • the data transmission apparatus 100 is applied to a network device, and includes a determining unit 101 and a sending unit 102 .
  • the determining unit 101 is configured to determine demodulation reference signal DMRS configuration information, where the DMRS configuration information at least includes a configuration for indicating a time domain position of the DMRS.
  • the sending unit 102 is configured to send the DMRS configuration information.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate a time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; wherein , where n is a positive integer greater than or equal to 0.
  • the DMRS configuration information is a bit sequence bitmap, and the bit sequence includes bits used to indicate at least one DMRS configuration.
  • the bit sequence bitmap is a series of bits, and the length of the bits is not limited.
  • the sending unit 102 is further configured to: send DMRS configuration information through a first scheduling instruction, where the DMRS configuration information is carried in a first information field of the first scheduling instruction, and the first information field at least includes The bit value for indicating the DMRS configuration used by the data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the sending unit 102 is further configured to send first information, where the first information is used to indicate activation of the dynamic adjustment of the DMRS configuration information, or to indicate the inactivation of the dynamic adjustment of the DMRS configuration information.
  • the sending unit 102 is further configured to: send second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • the sending unit 102 is further configured to send the second information through the second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the first value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs in the time domain positions correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the second value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs at the time domain positions correspond to the same DMRS sequence.
  • the sending unit 102 is further configured to send the DMRS configuration information through higher layer signaling or physical layer signaling.
  • different terminals correspond to different DMRS configuration information.
  • the sending unit 102 is further configured to: send the first information based on the third information field in the higher layer signaling or the physical layer signaling.
  • the third information field includes at least bits with a third value used to indicate activation of DMRS configuration information; or the third information field includes at least bits with a third value used to indicate inactive DMRS configuration information Four value bits.
  • the location of the third information field in the higher layer signaling or the physical layer signaling is fixed.
  • the data transmission apparatus includes corresponding hardware structures and/or software modules for executing each function.
  • the embodiments of the present disclosure can be implemented in 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 and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • FIG. 12 is a block diagram of a data transmission apparatus according to an exemplary embodiment.
  • the data transmission apparatus 200 is applied to a terminal, and includes a receiving unit 201 .
  • the receiving unit 201 is configured to receive demodulation reference signal DMRS configuration information, where the DMRS configuration information at least includes a configuration for indicating a time domain position of the DMRS.
  • the DMRS configuration information at least includes at least one DMRS configuration used to indicate a time domain position of the DMRS, and each DMRS configuration in the at least one DMRS configuration is used to indicate n DMRS time domain positions; wherein , where n is a positive integer greater than or equal to 0.
  • the DMRS configuration information is a bit sequence bitmap, and the bit sequence includes bits used to indicate at least one DMRS configuration.
  • the bit sequence bitmap is a series of bits, and the length of the bits is not limited.
  • the receiving unit 201 is further configured to: receive DMRS configuration information through a first scheduling instruction, where the DMRS configuration information is carried in a first information field of the first scheduling instruction, and the first information field at least includes The bit value for indicating the DMRS configuration used by the data transmission scheduled by the first scheduling instruction.
  • the position of the first information field in the first scheduling instruction is fixed or configurable.
  • the receiving unit 201 is further configured to: receive first information, where the first information is used to indicate activation of the dynamic adjustment of the DMRS configuration information, or to indicate the inactivation of the dynamic adjustment of the DMRS configuration information.
  • the receiving unit 201 is further configured to: receive second information, where the second information is used to indicate DMRS sequence information corresponding to the time domain position.
  • the receiving unit 201 is further configured to: receive and receive the second information based on the second information field in the second scheduling instruction.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the first value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs in the time domain positions correspond to different DMRS sequences.
  • the second information field includes at least a first identifier, and the first identifier is used to indicate that each DMRS time domain position in the DMRS time domain positions indicated in the second scheduling instruction is in the time domain
  • the DMRSs correspond to different DMRS sequences.
  • the first identifier may be a first bit, and the second value of the first bit is used to indicate each DMRS in the time domain position of the DMRS indicated in the second scheduling instruction
  • the DMRSs at the time domain positions correspond to the same DMRS sequence.
  • the data transmission apparatus further includes: a processing unit configured to perform joint channel estimation based on the same DMRS sequence.
  • Fig. 13 is a block diagram of a data transmission apparatus according to an exemplary embodiment.
  • the data transmission apparatus 200 is applied to a terminal, and includes a receiving unit 201 and a processing unit 202 .
  • the processing unit 202 is configured to perform joint channel estimation based on the same DMRS sequence.
  • the receiving unit 201 is further configured to receive the DMRS configuration information through higher layer signaling or physical layer signaling.
  • the receiving unit 201 is further configured to: receive the first information based on the third information field in the higher layer signaling or the physical layer signaling.
  • the third information field includes at least bits with a third value used to indicate activation of DMRS configuration information; or the third information field includes at least bits with a third value used to indicate inactive DMRS configuration information Four value bits.
  • the location of the third information field in the higher layer signaling or the physical layer signaling is fixed.
  • an embodiment of the present disclosure also provides a communication system, the communication system includes: the above-mentioned data transmission apparatus 100 applied to a network device; and a data transmission apparatus 200 applied to a terminal.
  • the communication system includes: the above-mentioned data transmission apparatus 100 applied to a network device; and a data transmission apparatus 200 applied to a terminal.
  • FIG. 14 is a block diagram of an apparatus 300 for data transmission according to an exemplary embodiment.
  • the apparatus 300 may be a terminal.
  • the terminal may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 300 may include one or more of the following components: processing component 302, memory 304, power component 306, multimedia component 308, audio component 310, input/output (I/O) interface 312, sensor component 314, and Communication component 316 .
  • the processing component 302 generally controls the overall operation of the device 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 302 may include one or more processors 320 to execute instructions to perform all or some of the steps of the methods described above. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .
  • Memory 304 is configured to store various types of data to support operations at device 300 . Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and the like. Memory 304 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power component 306 provides power to various components of device 300 .
  • Power components 306 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 300 .
  • Multimedia component 308 includes screens that provide an output interface between the device 300 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 308 includes a front-facing camera and/or a rear-facing camera. When the apparatus 300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 310 is configured to output and/or input audio signals.
  • audio component 310 includes a microphone (MIC) that is configured to receive external audio signals when device 300 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 304 or transmitted via communication component 316 .
  • audio component 310 also includes a speaker for outputting audio signals.
  • the I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 314 includes one or more sensors for providing status assessment of various aspects of device 300 .
  • the sensor assembly 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, and the sensor assembly 314 can also detect a change in the position of the device 300 or a component of the device 300 , the presence or absence of user contact with the device 300 , the orientation or acceleration/deceleration of the device 300 and the temperature change of the device 300 .
  • Sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 316 is configured to facilitate wired or wireless communication between apparatus 300 and other devices.
  • Device 300 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 300 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 304 including instructions, executable by the processor 320 of the apparatus 300 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • FIG. 15 is a block diagram of an apparatus 400 for data transmission according to an exemplary embodiment.
  • the apparatus 400 may be a network device.
  • apparatus 400 includes a processing component 422, which further includes one or more processors, and a memory resource, represented by memory 432, for storing instructions executable by processing component 422, such as an application program.
  • An application program stored in memory 432 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 422 is configured to execute instructions to perform the above-described methods.
  • Device 400 may also include: a power supply assembly 426 configured to perform power management of device 400; a wired or wireless network interface 450 configured to connect device 400 to a network; and an input and output (I/O ) interface 458.
  • Device 400 may operate based on an operating system stored in memory 432, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • a non-transitory computer-readable storage medium including instructions such as a memory 432 including instructions, executable by the processing component 422 of the apparatus 400 to perform the method described above is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.

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Abstract

La présente demande concerne un procédé et un appareil de transmission de données, ainsi qu'un support de stockage. Le procédé de la présente demande s'applique à un dispositif réseau et consiste à : déterminer des informations de configuration d'un signal de référence de démodulation (DMRS), les informations de configuration DMRS servant à caractériser la position du domaine temporel DMRS ; et envoyer les informations de configuration DMRS. Le procédé de la présente demande permet d'améliorer les performances de couverture de réseau.
PCT/CN2020/098621 2020-06-28 2020-06-28 Procédé et appareil de transmission de données, et support de stockage Ceased WO2022000143A1 (fr)

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CN202080001392.7A CN111919415B (zh) 2020-06-28 2020-06-28 数据传输方法及装置、存储介质

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WO2022151111A1 (fr) * 2021-01-13 2022-07-21 Oppo广东移动通信有限公司 Procédé de configuration de signaux, dispositif de terminal, dispositif de réseau, puce, et support de stockage
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