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WO2017005040A1 - 多站点的传输指示、传输触发、传输执行方法及装置 - Google Patents

多站点的传输指示、传输触发、传输执行方法及装置 Download PDF

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Publication number
WO2017005040A1
WO2017005040A1 PCT/CN2016/081005 CN2016081005W WO2017005040A1 WO 2017005040 A1 WO2017005040 A1 WO 2017005040A1 CN 2016081005 W CN2016081005 W CN 2016081005W WO 2017005040 A1 WO2017005040 A1 WO 2017005040A1
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WIPO (PCT)
Prior art keywords
station
information
transmission
bandwidth
uplink transmission
Prior art date
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Ceased
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PCT/CN2016/081005
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English (en)
French (fr)
Inventor
李楠
吕开颖
邢卫民
杨丹
孙波
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ZTE Corp
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ZTE Corp
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Publication date
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Priority to US15/742,736 priority Critical patent/US10681714B2/en
Priority to ES16820691T priority patent/ES2867773T3/es
Priority to EP16820691.0A priority patent/EP3322242B1/en
Publication of WO2017005040A1 publication Critical patent/WO2017005040A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/121—Wireless traffic scheduling for groups of terminals or users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • Embodiments of the present invention relate to, but are not limited to, a multi-site transmission indication, transmission trigger, transmission execution method, and apparatus.
  • the multi-site parallel transmission technology may include, but is not limited to, multi-site multiple input multiple output (MU-MIMO) technology (ie, spatial domain multiple access), orthogonal frequency division multiple access (OFDMA) technology (ie, multiple frequency domains) site).
  • MU-MIMO multi-site multiple input multiple output
  • OFDMA orthogonal frequency division multiple access
  • FIG. 1 is a schematic diagram of a WLAN basic service set according to the related art.
  • an access point station (AP STA) and a plurality of non-access point stations (non-AP stations, referred to as non-APs) associated with the AP STA constitutes a basic service set (BSS).
  • BSS basic service set
  • 802.11 proposes a virtual channel detection mechanism, that is, when the station 1 transmits a frame, it can carry a time domain in the frame it transmits, indicating the length of time required for the station to complete the frame exchange, and the station 2 receives the station 1 to send.
  • the frame also returns a response frame, wherein the response frame also carries a time domain to ensure that the station 1 can complete the frame exchange.
  • Other listening sites that hear the frame exchange can set a Network Allocation Vector (NAV), and the value of the NAV can be set to the maximum value in the above time domain.
  • NAV Network Allocation Vector
  • the listening site does not send data, thereby avoiding collisions caused by hidden nodes competing for channels. After the NAV is reduced to zero, other sites are able to send data.
  • FIG. 2 is a schematic diagram of a multi-station transmission frame exchange according to the related art.
  • the multi-site parallel transmission in the WLAN usually shows that multiple non-AP STAs simultaneously send data to the AP, which is generally referred to as an uplink multi-user (UL MU) transmission, or The AP sends data to multiple non-AP STAs at the same time, which is called downlink multi-site (downlink).
  • UL MU uplink multi-user
  • DL MU downlink multi-site
  • Shown in Figure 2 is a typical uplink and downlink multi-site transmission frame exchange sequence.
  • the UL MU transmission needs an AP to trigger, for example, a trigger frame may be sent to trigger, or may be triggered by carrying a trigger information field in a radio frame.
  • the trigger frame or the trigger information field carries the scheduling information of the station, for example, the identification information of the station, the time and frequency resource information used by the station for uplink transmission, and the time-frequency offset calibration information of the station.
  • the AP sends the trigger frame or the trigger information field
  • the station receives the trigger frame or the trigger information field. If its own identification information is carried in it, it indicates that it is scheduled to be in the current UL MU transmission. If it needs to send data, it can proceed. Prepare and synchronize according to the time-frequency offset calibration information indicated by the AP, and transmit on the allocated time and frequency resources.
  • Multi-site transmission allows multiple sites to be transmitted in parallel, thereby saving air interface occupancy time.
  • collisions in the network can be reduced and air interface efficiency can be improved.
  • the future WLAN communication system can support 20MHz/40MHz/80MHz/160MHz continuous and discontinuous bandwidth distribution. If a station acquires certain channel resources through contention, it only occupies part of the channel resources for transmission, due to competition acquisition. All bandwidth resources have been occupied by their claims, so other sites are not allowed to preempt. The problem is that the site does not actually consume all of the resources, which can result in wasted frequency resources.
  • the related art does not provide an effective solution to the above technical problems.
  • the embodiment of the present invention provides a multi-site transmission indication, a transmission trigger, a transmission execution method, and a device, to at least solve the related art, if a certain station acquires a certain channel resource through a contention manner, and only occupies part of the channel resource. The transmission is performed. Since all the bandwidth resources acquired by the competition have been occupied by the announcement, other stations cannot be preempted, thereby causing a problem of waste of frequency resources.
  • a multi-site transmission indication method including:
  • the first station sends a radio frame carrying the indication information to the access point on the channel of the first bandwidth that is contending, wherein the indication information is used to indicate that the access point triggers the first station, or triggers the first station and the other one Or the uplink transmission is performed by the multiple sites, and the indication information includes at least one of the following: information used to indicate whether the access point is allowed to trigger the first station and the other one or more sites for uplink transmission; the subsequent uplink transmission of the first station needs to be occupied.
  • Bandwidth resource size information bandwidth resource location information that the first site needs to occupy for subsequent uplink transmission; quality of service (QoS) parameter information of the first site.
  • QoS quality of service
  • the method further includes: the first station receiving the radio frame that carries the trigger information and sent by the access point, where the wireless information carrying the trigger information
  • the frame is used to indicate the channel allocated by the access point to the first station; the first station performs uplink transmission on the channel allocated by the access point to the first station.
  • the first station before the sending, by the first station, the radio frame, the first station performs channel detection, and selects, according to the channel detection result, a bandwidth resource location that needs to be occupied by the subsequent uplink transmission.
  • the bandwidth resource size information is used to indicate the first part of the first bandwidth; and/or the bandwidth resource location information is used to indicate the location of the channel whose bandwidth is the first part of the first bandwidth.
  • the bandwidth resource location is continuous or discontinuous in the frequency band.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • the QoS parameter information includes at least one of: data cache state information of the first site; maximum or minimum length information of the data packet allowed to be transmitted by the first site; minimum guaranteed bit rate of the first site; minimum of the first site Modulation and Coding Strategy (MCS) rate requirements.
  • MCS Modulation and Coding Strategy
  • a multi-site transmission triggering method including:
  • the access point receives the radio frame carrying the indication information sent by the first station on the channel of the first bandwidth that is contending; the access point triggers the first station to perform uplink transmission according to the indication information, or triggers the first station and the other one. Or multiple sites for uplink transmission.
  • the indication information includes at least one of the following: information used to indicate whether the access point is allowed to trigger the first station and the other one or more sites for uplink transmission; The bandwidth resource size information that needs to be occupied by the transmission; the bandwidth resource location information that the first station needs to occupy for the uplink transmission; the QoS parameter information of the first station.
  • the QoS parameter information includes at least one of: data cache state information of the first site; maximum or minimum length information of the data packet allowed to be transmitted by the first site; minimum guaranteed bit rate of the first site; minimum of the first site MCS rate requirements.
  • the access point before the access point triggers the first station to perform uplink transmission according to the indication information, or triggers the first station and the other one or more stations to perform uplink transmission, the following operations are also included: the access point performs channel detection. And selecting, according to the channel detection result, the bandwidth size and/or the bandwidth resource location of the uplink transmission by the first station; the access point performs channel detection, and selects the first station and one or more other stations for uplink transmission according to the channel detection result. Bandwidth size and/or bandwidth resource location.
  • the access point triggers the first station to perform uplink transmission by sending the radio frame carrying the trigger information according to the indication information, or triggers the first station and the other one or more stations to perform uplink transmission, where the trigger is carried.
  • the transmission bandwidth of the radio frame of the information is greater than or equal to the first bandwidth.
  • the access point when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission, and the information is indicated as allowed, the access point triggers the first station and one or more other If the information is not allowed, the access point allocates the bandwidth size and/or the bandwidth resource location of the uplink transmission to the first station according to the parameter information set of the first station, where the parameter information set includes the following: At least one of: bandwidth resource size, bandwidth resource location, QoS parameter information.
  • the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations to perform uplink transmission, if the information is not allowed, and the indication information does not carry the parameter information of the first station.
  • the aggregation point allocates the bandwidth size and/or the bandwidth resource location of the uplink transmission to the first station according to the channel detection result, where the parameter information set includes at least one of the following: a bandwidth resource size, a bandwidth resource location, and QoS parameter information.
  • the access point selects a bandwidth size and/or a bandwidth resource location for the first station according to a signal detection result of the radio frame carrying the indication information.
  • the access point when the indication information is not carried, whether the access point is allowed to trigger the first station and the other one The information transmitted by the one or more stations for uplink transmission, the access point triggers the first station and one or more other stations to perform uplink transmission.
  • the access point allocates at least the transmission bandwidth corresponding to the bandwidth resource size information to the first station.
  • the access point allocates at least the bandwidth resource corresponding to the bandwidth resource location information to the first station.
  • the QoS parameter information includes data cache state information of the site, maximum or minimum length information of the data packet allowed to be transmitted by the station, minimum guaranteed bit rate of the site, minimum modulation of the site, and MCS rate requirement of the coding policy.
  • the access point allocates the bandwidth size and/or the bandwidth resource location of the uplink transmission to the first station according to the QoS parameter information.
  • the channel allocated by the access point to the first station is continuous or discontinuous in the frequency band.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • a method for performing transmission of a multi-site including:
  • One or more stations receive a radio frame that carries the trigger information sent by the access point, and the radio frame that carries the trigger information is used to trigger one or more stations for uplink transmission, where one or more sites are the first site. Other sites; one or more sites ignore the Network Allocation Vector (NAV) set by the first site and perform uplink transmission based on the radio frame.
  • NAV Network Allocation Vector
  • one or more sites that are configured by the first site to obtain the NAV acquire random access resource information and are allowed to access on the random access resource, one or more sites are ignored by the first site setting.
  • the NAV performs contention access on the random access resources.
  • a multi-site transmission indication apparatus where the apparatus is applied to a site, including:
  • a sending module configured to send, to the access point, a radio frame carrying the indication information, where the content of the contending bandwidth is the first bandwidth, where the indication information is used to indicate that the access point triggers the first station, Or triggering the first station and the other one or more stations to perform uplink transmission, where the indication information includes at least one of the following: information for indicating whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission; The bandwidth resource size information that needs to be occupied by the first station for the uplink transmission; the bandwidth resource location information that the first station needs to occupy for the uplink transmission; the QoS parameter information of the first station.
  • the device further includes: a receiving module, configured to receive a radio frame that carries the trigger information and is sent by the access point, where the radio frame carrying the trigger information is used to indicate the channel allocated by the access point to the first station. And a transmission module, configured to perform uplink transmission on a channel allocated by the access point to the first station.
  • a receiving module configured to receive a radio frame that carries the trigger information and is sent by the access point, where the radio frame carrying the trigger information is used to indicate the channel allocated by the access point to the first station.
  • a transmission module configured to perform uplink transmission on a channel allocated by the access point to the first station.
  • the foregoing apparatus further includes: a selecting module configured to perform channel detection, and selecting, according to the channel detection result, a bandwidth resource location that needs to be occupied by the subsequent uplink transmission.
  • a selecting module configured to perform channel detection, and selecting, according to the channel detection result, a bandwidth resource location that needs to be occupied by the subsequent uplink transmission.
  • the bandwidth resource size information is used to indicate the first part of the first bandwidth; and/or the bandwidth resource location information is used to indicate the location of the channel whose bandwidth is the first part of the first bandwidth.
  • the bandwidth resource location is continuous or discontinuous in the frequency band.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • the QoS parameter information includes at least one of: data cache state information of the first site; maximum or minimum length information of the data packet allowed to be transmitted by the first site; minimum guaranteed bit rate of the first site; minimum of the first site MCS rate requirements.
  • a multi-site transmission triggering apparatus where the apparatus is applied to an access point, including:
  • the receiving module is configured to receive a radio frame that carries the indication information sent by the first station on the channel with the bandwidth of the first bandwidth, and the triggering module is configured to trigger the first station to perform uplink transmission according to the indication information, or trigger The first site and one or more other sites perform uplink transmission.
  • the indication information includes at least one of the following: information used to indicate whether the access point is allowed to trigger the first station and the other one or more stations to perform uplink transmission; and the bandwidth resource size required for the subsequent uplink transmission of the first station Information; the first station needs to occupy the uplink transmission Bandwidth resource location information; QoS parameter information of the first site.
  • the QoS parameter information includes at least one of: data cache state information of the first site; maximum or minimum length information of the data packet allowed to be transmitted by the first site; minimum guaranteed bit rate of the first site; minimum of the first site MCS rate requirements.
  • the apparatus further includes: a selecting module configured to perform channel detection, and performing one of the following operations according to the channel detection result: selecting a bandwidth size and/or a bandwidth resource of the uplink transmission by the first station according to the channel detection result. Position; select the bandwidth size and/or bandwidth resource location of the uplink transmission by the first station and the other one or more stations according to the channel detection result.
  • a selecting module configured to perform channel detection, and performing one of the following operations according to the channel detection result: selecting a bandwidth size and/or a bandwidth resource of the uplink transmission by the first station according to the channel detection result.
  • Position select the bandwidth size and/or bandwidth resource location of the uplink transmission by the first station and the other one or more stations according to the channel detection result.
  • the triggering module is configured to trigger the first station to perform uplink transmission by transmitting the radio frame carrying the trigger information according to the indication information, or trigger the first station and one or more other stations to perform uplink transmission, where The transmission bandwidth of the radio frame with the trigger information is greater than or equal to the first bandwidth.
  • the triggering module is configured to: when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission, and the information is indicated as permission, triggering the first station and the other one or The plurality of stations perform uplink transmission; if the information is not allowed, the first station is allocated a bandwidth size and/or a bandwidth resource location of the uplink transmission according to the parameter information set of the first station, where the parameter information set includes at least the following One: bandwidth resource size, bandwidth resource location, QoS parameter information.
  • the triggering module is configured to: when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations to perform uplink transmission, if the information is not allowed, and the indication information is not carried.
  • the parameter information set of a station is used, the bandwidth of the uplink transmission and/or the bandwidth resource location are allocated to the first station according to the channel detection result, where the parameter information set includes at least one of the following: a bandwidth resource size, a bandwidth resource location, and a QoS. Parameter information.
  • the triggering module is configured to select a bandwidth size and/or a bandwidth resource location for the first station according to a signal detection result of the radio frame carrying the indication information.
  • the triggering module is configured to trigger the first site and one or more other ones when the indication information does not carry information that allows the access point to trigger the first station and the other one or more sites to perform uplink transmission.
  • the site performs uplink transmission.
  • the triggering module is configured to allocate at least the transmission bandwidth corresponding to the bandwidth resource size information to the first station when the indication information carries the bandwidth resource size information that needs to be occupied by the first station for performing the uplink transmission.
  • the triggering module is configured to allocate at least the bandwidth resource corresponding to the bandwidth resource location information to the first station when the indication information carries the bandwidth resource location information that is required to be used by the first station to perform the uplink transmission.
  • the triggering module is configured to: when the QoS parameter information includes the data buffer status information of the station, the maximum or minimum length information of the data packet that the station allows to transmit, the minimum guaranteed bit rate of the station, and the minimum modulation and coding policy MCS rate requirement of the station.
  • the first station is allocated a bandwidth size and/or a bandwidth resource location of the uplink transmission according to the QoS parameter information.
  • the channel allocated by the access point to the first station is continuous or discontinuous in the frequency band.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • a multi-site transmission execution apparatus is provided, the apparatus being applied to one or more sites, including:
  • the receiving module is configured to receive a radio frame that carries the trigger information sent by the access point, and the radio frame that carries the trigger information is used to trigger one or more sites for uplink transmission, where one or more sites are the first site.
  • Other stations an execution module, set to ignore the NAV set by the first station and perform uplink transmission according to the radio frame.
  • the executing module is configured to: if the one or more sites that are configured by the first station to obtain the NAV acquire the random access resource information, and are allowed to access on the random access resource, the first is ignored.
  • the NAV set by the station performs contention access on the random access resources.
  • Embodiments of the present invention further provide a computer readable storage medium storing computer executable instructions for performing transmission instructions of any of the above multiple sites, and/or any of the above multiple sites Transmission triggering, and/or any of the above-described multi-site transmission execution methods.
  • the first station sends a radio frame carrying the indication information to the access point on the channel with the bandwidth of the first bandwidth, where the indication information is used to indicate that the access point triggers the first station. Or, trigger the first site and one or more other sites for uplink transmission, indicating
  • the information includes at least one of the following: information for indicating whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission; and the bandwidth resource size information that the first station needs to occupy for the uplink transmission; The bandwidth resource location information that needs to be occupied by the uplink transmission; the QoS parameter information of the first station, thereby solving the related art, if a certain station acquires a certain channel resource through the contention mode, and only occupies part of the channel resource for transmission. Since all the bandwidth resources acquired by the competition have been occupied by the announcement, other sites are not allowed to preempt, thereby causing the problem of waste of frequency resources, thereby effectively avoiding waste of air interface resources during large bandwidth transmission.
  • FIG. 1 is a schematic diagram of a WLAN basic service set according to the related art
  • FIG. 2 is a schematic diagram of a multi-station transmission frame exchange according to the related art
  • FIG. 3 is a flowchart of a multi-site transmission indication method according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a multi-site transmission triggering method according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for performing transmission of a multi-site according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a multi-site transmission method according to a preferred embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 3 of the present invention.
  • FIG. 9 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 4 of the present invention.
  • FIG. 10 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 5 of the present invention.
  • FIG. 11 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 6 of the present invention.
  • FIG. 12 is a structural block diagram of a multi-site transmission indication apparatus according to an embodiment of the present invention.
  • FIG. 13 is a structural block diagram of a multi-site transmission indication apparatus according to a preferred embodiment of the present invention.
  • FIG. 14 is a structural block diagram of a multi-site transmission triggering apparatus according to an embodiment of the present invention.
  • FIG. 15 is a structural block diagram of a multi-site transmission triggering apparatus according to a preferred embodiment of the present invention.
  • 16 is a block diagram showing the structure of a multi-site transmission execution apparatus according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a multi-site transmission indication method according to an embodiment of the present invention. As shown in FIG. 3, the flow includes the following steps:
  • Step S302 The first station sends a radio frame carrying the indication information to the access point on the channel where the contention is the first bandwidth, where the indication information is used to indicate that the access point triggers the first station, or triggers the
  • the uplink transmission is performed by the first station and the other one or more stations, and the indication information includes at least one of the following: information for indicating whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission; The bandwidth resource size information that needs to be occupied by the uplink transmission; the bandwidth resource location information that the first station needs to occupy for the uplink transmission; the quality of service (QoS) parameter information of the first station.
  • QoS quality of service
  • the related information is solved by sending the indication information to the access point and the access point triggers the uplink multi-site transmission according to the indication information. If a certain site acquires certain channel resources through contention, and only some of the channel resources are used for transmission, since all the bandwidth resources acquired by the competition have been occupied by the announcement, other stations may not preempt, thereby causing frequency.
  • the problem of wasting resources is to effectively avoid the waste of air interface resources during large bandwidth transmission.
  • the bandwidth resource size information is used to indicate a first portion of the first bandwidth; and/or the bandwidth resource location information is used to indicate that the bandwidth is the location of the first portion of the first bandwidth.
  • the above-mentioned bandwidth resource location may be continuous in the frequency band, and may of course be discontinuous.
  • the method may further include the following steps:
  • Step S1 The first station receives a radio frame that carries the trigger information and is sent by the access point, where the radio frame carrying the trigger information is used to indicate the channel allocated by the access point to the first station; the first station is at the access point. Uplink transmission is performed on the channel allocated to the first station.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission may be less than or equal to the transmission time length obtained by the first station competition.
  • the foregoing QoS parameter information includes at least one of the following:
  • MCS Minimum modulation and coding strategy
  • the first station may further include the following steps:
  • step S2 the first station performs channel detection, and selects a bandwidth resource location that needs to be occupied by the subsequent uplink transmission according to the channel detection result.
  • FIG. 4 is a flowchart of a multi-site transmission triggering method according to an embodiment of the present invention. As shown in FIG. 4, the process includes the following steps:
  • Step S402 the access point receives the radio frame carrying the indication information that is sent by the first station on the channel whose contention is the first bandwidth.
  • Step S404 the access point triggers the first station to perform uplink transmission according to the indication information, or triggers the first station and one or more other stations to perform uplink transmission.
  • the foregoing embodiment can enable the bandwidth resource to be released when the site acquires the transmission opportunity and does not use all the bandwidth resources of the transmission opportunity, and the uplink multi-site transmission is triggered by the AP, thereby avoiding waste of air interface resources during large bandwidth transmission. .
  • the foregoing indication information may include but is not limited to at least one of the following:
  • the foregoing QoS parameter information may include but is not limited to at least one of the following:
  • the access point triggers the first station to perform uplink transmission according to the indication information, or may trigger one of the following operations before triggering the first station and the other one or more stations to perform uplink transmission:
  • Step S3 the access point performs channel detection, and selects a bandwidth size and/or a bandwidth resource location of the uplink transmission by the first station according to the channel detection result;
  • step S4 the access point performs channel detection, and selects a bandwidth size and/or a bandwidth resource location of the uplink transmission by the first station and one or more other stations according to the channel detection result.
  • the access point may trigger the first station to perform uplink transmission by transmitting the radio frame carrying the trigger information according to the indication information, or trigger the first station and one or more other stations to perform uplink transmission.
  • the transmission bandwidth of the radio frame carrying the trigger information is greater than or equal to the first bandwidth.
  • step S404 when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission, and the information is indicated as allowed, the access point triggers the first station and The other one or more stations perform uplink transmission; if the information indicates that the information is not allowed, the access point allocates the bandwidth size and/or the bandwidth resource location of the uplink transmission to the first station according to the parameter information set of the first station, where the parameter The information set includes at least one of the following: a bandwidth resource size, a bandwidth resource location, and QoS parameter information.
  • step S404 when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations to perform uplink transmission, if the information is indicated as not allowed and the indication information does not carry the first
  • the access point allocates the bandwidth size and/or the bandwidth resource location of the uplink transmission to the first station according to the channel detection result, where the parameter information set includes at least one of the following: a bandwidth resource size, a bandwidth resource location, and a QoS. Parameter information.
  • the access point may select a bandwidth size and/or a bandwidth resource location for the first station based on signal detection results for the radio frame carrying the indication information.
  • step S404 when the indication information does not carry information about whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission, the access point triggers the first station and one or more other The stations carry uplink transmissions.
  • step S404 when the indication information carries the bandwidth resource size information that the first station needs to occupy for the uplink transmission, the access point allocates at least the transmission bandwidth corresponding to the bandwidth resource size information to the first station.
  • step S404 when the indication information carries the bandwidth resource location information that the first station needs to occupy for the uplink transmission, the access point allocates at least the bandwidth resource corresponding to the bandwidth resource location information to the first station.
  • step S404 when the QoS parameter information includes the data buffer status information of the station, the maximum or minimum length information of the data packet that the station is allowed to transmit, the minimum guaranteed bit rate of the station, and the minimum modulation and coding policy MCS rate requirement of the station.
  • At least one of the access points allocates the bandwidth size and/or bandwidth resource location of the uplink transmission to the first station according to the QoS parameter information.
  • the channel assigned by the access point to the first station is continuous or discontinuous in the frequency band.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • FIG. 5 is a flowchart of a multi-site transmission execution method according to an embodiment of the present invention. As shown in FIG. 5, the flow includes the following steps:
  • Step S502 One or more stations receive a radio frame that carries the trigger information sent by the access point, and the radio frame that carries the trigger information is used to trigger one or more stations to perform uplink transmission, where one or more sites are Other sites outside of one site;
  • step S504 one or more stations ignore the network allocation vector (NAV) set by the first station and perform uplink transmission according to the radio frame.
  • NAV network allocation vector
  • step S504 if one or more sites that are set by the first station to set the NAV acquire random access resource information and are allowed to access on the random access resource, one or more sites ignore the The NAV set by the first station performs contention access on the random access resources.
  • FIG. 6 is a schematic diagram of a multi-site transmission method according to a preferred embodiment of the present invention.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 80 MHz, and acquires a transmission opportunity whose transmission opportunity has a duration of T1.
  • the STA1 carries the indication information in the transmitted radio frame, and notifies the AP that the subsequent transmission requires at least 40 MHz bandwidth resources.
  • the AP After receiving the radio frame carrying the indication information of the STA1, the AP first responds to the STA1 (which may be an acknowledgement frame) to indicate that the AP has received the radio frame. Then, the AP performs channel detection, and performs scheduling of uplink multi-site transmission according to the detection result.
  • STA1 which may be an acknowledgement frame
  • the overall bandwidth of the AP for uplink multi-site scheduling can be 80 MHz or greater than 80 MHz.
  • the AP uses the 80 MHz that STA1 contends for uplink multi-site transmission. Since STA1 has stated that it needs at least 40MHz bandwidth, the AP allocates at least 40MHz bandwidth resources for STA1 in the uplink multi-site transmission scheduling. Unless STA1 declares, the resources allocated by the AP for STA1 may be consecutive in the frequency band or discontinuous. of. The AP allocates the remaining bandwidth resources equally to STA2 and STA3, that is, each 20MHz, and The triggered trigger frame carries resource allocation information.
  • STA1, STA2, and STA3 receive the above trigger frame, and perform uplink multi-site transmission according to the resource allocation information in the trigger frame.
  • the transmission time of the AP scheduling uplink multi-site transmission does not exceed the time length T1 of the transmission opportunity acquired by STA1.
  • STA2 and STA3 function as listening interfaces. After hearing the radio frame sent by STA1, NAV is set, but then the trigger frame sent by the AP is received. In this case, it is scheduled to participate in uplink multi-site transmission, and STA2 and STA3 ignore the NAV for sending. .
  • FIG. 7 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 2 of the present invention.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 20 MHz, and acquires a transmission opportunity, and the transmission opportunity has a duration of T1.
  • 20 MHz is divided into 9 subchannels by using 26 subcarriers as resource granularity, and STA1 is transmitting.
  • the radio frame carries the indication information, and informs the AP of the bandwidth resource location information that the subsequent transmission needs to occupy at least, that is, which subchannels need to be occupied.
  • the selection of the subchannel by STA1 is based on the measurement result of the channel itself, and the subchannel occupied by it may be continuous or discontinuous.
  • the AP After receiving the radio frame carrying the indication information of the STA1, the AP first responds to the STA1 (which may be an acknowledgement frame) to indicate that the AP has received the radio frame. Then, the AP performs channel detection, and performs scheduling of uplink multi-site transmission according to the detection result.
  • STA1 which may be an acknowledgement frame
  • the overall bandwidth of the AP for uplink multi-site scheduling may be 20 MHz, and may of course be greater than 20 MHz.
  • the AP uses 20 MHz that STA1 contends for uplink multi-site transmission. Since STA1 has declared which subchannels it needs to occupy at least, the AP is at least in uplink multi-site transmission scheduling. The above subchannels are allocated for STA1. In addition, the AP allocates the remaining bandwidth resources to other sites and carries resource allocation information in the transmitted trigger frame.
  • the other station receives the trigger frame and performs uplink multi-site transmission according to the resource allocation information in the trigger frame.
  • the transmission time of the AP scheduling uplink multi-site transmission does not exceed the time length T1 of the transmission opportunity acquired by STA1.
  • the NAV is set, but then the trigger frame sent by the AP is received, wherein, when it is scheduled to participate in the uplink multi-site transmission, the NAV is ignored for transmission.
  • FIG. 8 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 3 of the present invention.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 20 MHz, and acquires a transmission opportunity.
  • the transmission opportunity has a duration of T1.
  • 20 MHz is divided into 9 subchannels by using 26 subcarriers as resource granularity, and STA1 is transmitting.
  • the radio frame carries the indication information, and informs the AP of its subsequent transmission of the bandwidth resource location information that needs to be occupied at least, that is, which sub-channels need to be occupied.
  • the selection of the subchannel by STA1 is based on the measurement result of the channel itself, and the subchannel occupied by it may be continuous or discontinuous.
  • the AP After receiving the radio frame carrying the indication information of the STA1, the AP first responds to the STA1 (which may be an acknowledgement frame) to indicate that the AP has received the radio frame. Then, the AP performs channel detection, and performs scheduling of uplink multi-site transmission according to the detection result.
  • STA1 which may be an acknowledgement frame
  • the bandwidth of the AP for uplink multi-station transmission is 40 MHz, wherein 20 MHz is 20 MHz that STA1 competes for. Since STA1 has declared which subchannels it needs to occupy at least, the AP allocates at least the above subchannels to STA1 in the uplink multi-station transmission scheduling. At the same time, the AP allocates the remaining bandwidth resources to other sites, and carries the resource allocation information in the triggered trigger frame.
  • the other station receives the trigger frame and performs uplink multi-site transmission according to the resource allocation information in the trigger frame.
  • the transmission time of the AP scheduling uplink multi-site transmission does not exceed the time length T1 of the transmission opportunity acquired by STA1.
  • the NAV is set, but then the trigger frame sent by the AP is received, and if it is scheduled to participate in the uplink multi-site transmission, the NAV is ignored for transmission.
  • FIG. 9 is a schematic diagram of a multi-site transmission method in accordance with a preferred embodiment 4 of the present invention.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 80 MHz, and acquires a transmission opportunity, and the transmission opportunity has a duration of T1.
  • the STA1 carries the indication information in the transmitted radio frame, and notifies the AP that the subsequent transmission requires at least 20 MHz bandwidth resources.
  • the AP After receiving the radio frame carrying the indication information of the STA1, the AP first responds to the STA1 (which may be an acknowledgement frame) to indicate that the AP has received the radio frame. Then, the AP performs channel detection, and performs scheduling of uplink multi-site transmission according to the detection result.
  • STA1 which may be an acknowledgement frame
  • the overall bandwidth of the AP for uplink multi-site scheduling can be less than 80 MHz.
  • the bandwidth used by the AP for uplink multi-site transmission is determined to be 40 MHz. Since STA1 has declared that it needs at least 20 MHz bandwidth, the AP allocates at least 20 MHz bandwidth for STA1 in uplink multi-site transmission scheduling. Resources, unless STA1 declares, the resources allocated by the AP for STA1 may be contiguous in frequency band or discontinuous. At the same time, the AP allocates the remaining bandwidth resources to other sites, and carries the resource allocation information in the triggered trigger frame.
  • the other receives the trigger frame and performs uplink multi-site transmission according to the resource allocation information in the trigger frame.
  • the transmission time of the AP scheduling uplink multi-site transmission does not exceed the time length T1 of the transmission opportunity acquired by STA1.
  • the other station After hearing the radio frame sent by STA1, the other station sets the NAV, but then receives the trigger frame sent by the AP. After it is scheduled to participate in the uplink multi-site transmission, the NAV is ignored.
  • FIG. 10 is a schematic diagram of a multi-site transmission method in accordance with a preferred embodiment 5 of the present invention.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 20 MHz, and acquires a transmission opportunity, and the transmission opportunity has a duration of T1.
  • the STA1 carries the indication information in the transmitted radio frame, and notifies the AP of which sub-channels need to be occupied by the subsequent transmission.
  • the selection of the subchannel by STA1 is based on the measurement result of the channel itself, and the occupied subchannels may be continuous or discontinuous.
  • the AP After receiving the radio frame carrying the indication information of STA1, the AP first responds to the response frame (may be It is an acknowledgment frame) to STA1 indicating that it has received the above radio frame. Then, the AP performs channel detection, and performs scheduling of uplink multi-site transmission according to the detection result.
  • the response frame may be It is an acknowledgment frame
  • the bandwidth of the AP for uplink multi-station transmission is 40 MHz, wherein 20 MHz is 20 MHz that STA1 competes for. Since STA1 has declared which subchannels it needs to occupy at least, the AP allocates at least the above subchannels to STA1 in the uplink multi-station transmission scheduling. At the same time, the AP allocates the remaining bandwidth resources to other sites, and carries the resource allocation information in the triggered trigger frame.
  • the uplink multi-site transmission by which the AP performs the allocation may be continuous or non-contiguous in the frequency band, and the preferred embodiment is an example of discontinuous allocation.
  • the other station receives the trigger frame and performs uplink multi-site transmission according to the resource allocation information in the trigger frame.
  • the transmission time of the AP scheduling uplink multi-site transmission does not exceed the time length T1 of the transmission opportunity acquired by STA1.
  • NAV is set, but then the trigger frame sent by the AP is received, and it is scheduled to participate in the uplink multi-site transmission, and the NAV is ignored for transmission.
  • FIG. 11 is a schematic diagram of a multi-site transmission method according to a preferred embodiment 6 of the present invention.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 80 MHz, and acquires a transmission opportunity, and the transmission opportunity has a duration of T1.
  • the STA1 carries the indication information in the transmitted radio frame, and notifies the AP that the subsequent transmission requires at least 40 MHz bandwidth resources.
  • the AP After receiving the radio frame carrying the indication information of the STA1, the AP first responds to the STA1 (which may be an acknowledgement frame) to indicate that the AP has received the radio frame. Then, the AP performs channel detection, and performs scheduling of uplink multi-site transmission according to the detection result.
  • STA1 which may be an acknowledgement frame
  • the AP uses the 80 MHz that STA1 contends for uplink multi-site transmission. Since STA1 has declared that it needs at least 40 MHz bandwidth, the AP allocates at least 40 MHz for STA1 in uplink multi-site transmission scheduling. Bandwidth resources, unless STA1 declares, the resources allocated by the AP for STA1 may be contiguous in the frequency band or discontinuous. At the same time, the AP allocates the remaining bandwidth resources as random access resources.
  • the station competing for the resource is STA2, and STA2 transmits its own data packet.
  • the transmission time of the AP scheduling uplink multi-site transmission does not exceed the time length T1 of the transmission opportunity acquired by STA1. If the other stations obtain the random access resources allocated by the AP, the length of the occupied channel does not exceed T1.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 80 MHz, and acquires a transmission opportunity whose transmission opportunity has a duration of T1.
  • the STA1 carries the indication information in the transmitted radio frame, and notifies the AP that the subsequent transmission requires at least 40 MHz bandwidth resources.
  • the AP After receiving the radio frame carrying the indication information of STA1, the AP returns a response frame to STA1, indicating that the radio frame has been received by itself.
  • the AP considers that uplink multi-user scheduling can be performed, and the AP performs channel detection, and performs uplink multi-user transmission scheduling according to the detection result and the cache condition of each station.
  • the AP uses the 80 MHz that STA1 contends for uplink multi-user transmission, STA1 declares that it needs at least 40 MHz bandwidth, and STA1 carries its own QoS parameter information in the indication information: data buffer status. Information; allowed maximum or minimum length information of the packet; minimum guaranteed bit rate; minimum MCS rate requirement, etc., the AP accordingly allocates a subchannel with a bandwidth of 40 MHz for STA1. The AP allocates the remaining bandwidth resources as random access resources, and allows the site that hears the trigger frame to perform random access.
  • the other stations After the other stations hear the radio frame sent by STA1, they set the NAV, but then receive the trigger frame sent by the AP. Among them, there are resources that allow random access, and other stations can ignore the NAV for contention.
  • the transmission time of the AP scheduling uplink multi-user transmission does not exceed the length of time T1 of the transmission opportunity acquired by STA1. If other stations acquire the random access resources allocated by the AP, the channel is occupied. The length between the two does not exceed T1.
  • STA1 contends to transmit a radio frame on a channel with a bandwidth of 80 MHz, and acquires a transmission opportunity whose transmission opportunity has a duration of T1.
  • STA1 carries indication information in the transmitted radio frame, indicating that the AP does not allow scheduling of uplink multi-user transmission.
  • STA1 declares one or more of the following information in the indication information: the bandwidth that it needs to occupy, declares which subchannels it needs to occupy, and declares its own QoS parameter information.
  • the AP After receiving the radio frame carrying the indication information of STA1, the AP returns a response frame to STA1, indicating that the radio frame has been received by itself. Since STA1 does not allow the AP to perform uplink multi-user transmission scheduling, the AP performs channel selection for STA1 according to the information declared by STA1. For example, if STA1 declares that it needs 40MHz bandwidth, the AP performs measurement according to the received radio frame, and combines the channel detection condition to allocate a channel greater than or equal to 40MHz for STA1. If STA1 declares which subchannels it needs to occupy, the AP performs measurement according to the received radio frame, and allocates corresponding subchannels or other more suitable subchannels to STA1 in combination with channel detection conditions. If STA1 declares its own QoS parameters and its required bandwidth, the AP AP performs measurement according to the received radio frame, and combines its own channel detection condition to allocate STA1 with a channel that can satisfy its bandwidth and QoS requirements.
  • the AP allocates an uplink transmission resource to the STA1 according to the measurement of the radio frame sent by the STA1 in combination with the channel detection result.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a multi-site transmission indication device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 12 is a structural block diagram of a multi-site transmission indication apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a station, and the apparatus may include: a sending module 10, configured to compete for a bandwidth of the first Sending, by the channel of the bandwidth, the radio frame carrying the indication information to the access point, where the indication information is used to indicate that the access point triggers the first station, or triggers the first station and the other one or more stations to perform uplink transmission, and the indication
  • the information may include, but is not limited to, at least one of the following:
  • the bandwidth resource size information is used to indicate a first part of the first bandwidth; and/or the bandwidth resource location information is used to indicate that the bandwidth is a location of a channel of the first part of the first bandwidth.
  • the bandwidth resource location is continuous or discontinuous in the frequency band.
  • FIG. 13 is a structural block diagram of a multi-site transmission indication apparatus according to a preferred embodiment of the present invention.
  • the apparatus may further include: a receiving module 20, in addition to all the modules shown in FIG. Receiving, by the access point, a radio frame carrying the trigger information, where the radio frame carrying the trigger information is used to indicate the channel allocated by the access point to the first station; and the transmission module 30 is configured to allocate to the access point Uplink transmission is performed on the channel of the first station.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • the foregoing QoS parameter information may include but is not limited to at least one of the following:
  • the foregoing apparatus may further include: a selecting module 40, configured to perform channel detection, and select a bandwidth resource location that needs to be occupied by the subsequent uplink transmission according to the channel detection result.
  • a selecting module 40 configured to perform channel detection, and select a bandwidth resource location that needs to be occupied by the subsequent uplink transmission according to the channel detection result.
  • a multi-site transmission triggering device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • FIG. 14 is a structural block diagram of a multi-site transmission triggering apparatus according to an embodiment of the present invention.
  • the apparatus is applied to an access point, and the apparatus may include: a receiving module 50, configured to receive the first station in competition.
  • the obtained bandwidth is a radio frame carrying the indication information sent on the channel of the first bandwidth, and the triggering module 60 is configured to trigger the first station to perform uplink transmission according to the indication information, or trigger the first station and one or more other sites. Perform uplink transmission.
  • the foregoing indication information may include but is not limited to at least one of the following:
  • the foregoing QoS parameter information may include but is not limited to at least one of the following:
  • FIG. 15 is a structural block diagram of a multi-site transmission triggering apparatus according to a preferred embodiment of the present invention.
  • the apparatus may further include: a selection module 70, in addition to all the modules shown in FIG. Perform channel detection and select the following according to the channel detection result One of the operations: selecting a bandwidth size and/or a bandwidth resource location of the uplink transmission by the first station according to the channel detection result; selecting a bandwidth size of the uplink transmission by the first station and one or more other stations according to the channel detection result, and/or Bandwidth resource location.
  • the triggering module 60 is configured to trigger the first station to perform uplink transmission by transmitting the radio frame carrying the trigger information according to the indication information, or trigger the first station and the other one or more stations to perform uplink transmission, where The transmission bandwidth of the radio frame with the trigger information is greater than or equal to the first bandwidth.
  • the triggering module 60 is configured to: when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission, and the information is indicated as permission, triggering the first station and the other one or The plurality of stations perform uplink transmission; if the information is not allowed, the first station is allocated a bandwidth size and/or a bandwidth resource location of the uplink transmission according to the parameter information set of the first station, where the parameter information set includes at least the following One: bandwidth resource size, bandwidth resource location, QoS parameter information.
  • the triggering module 60 is configured to: when the indication information carries information about whether the access point is allowed to trigger the first station and the other one or more stations to perform uplink transmission, if the information is not allowed, and the indication information is not carried.
  • the parameter information set of a station is used, the bandwidth of the uplink transmission and/or the bandwidth resource location are allocated to the first station according to the channel detection result, where the parameter information set includes at least one of the following: a bandwidth resource size, a bandwidth resource location, and a QoS. Parameter information.
  • the triggering module 60 is configured to select a bandwidth size and/or a bandwidth resource location for the first station according to a signal detection result of the radio frame carrying the indication information.
  • the triggering module 60 is configured to trigger the first station and one or more other ones when the indication information does not carry information that allows the access point to trigger the first station and the other one or more stations to perform uplink transmission.
  • the site performs uplink transmission.
  • the triggering module 60 is configured to allocate at least the transmission bandwidth corresponding to the bandwidth resource size information to the first station when the indication information carries the bandwidth resource size information that needs to be occupied by the first station for uplink transmission.
  • the triggering module 60 is configured to allocate at least the bandwidth resource corresponding to the bandwidth resource location information to the first station when the indication information carries the bandwidth resource location information that the first station needs to occupy for the uplink transmission.
  • the triggering module 60 is configured to: when the QoS parameter information includes the data buffer status information of the station, the maximum or minimum length information of the data packet that the station is allowed to transmit, the minimum guaranteed bit rate of the station, and the minimum modulation and coding policy MCS rate requirement of the station.
  • the first station is allocated a bandwidth size and/or a bandwidth resource location of the uplink transmission according to the QoS parameter information.
  • the channel assigned by the access point to the first station is continuous or discontinuous in the frequency band.
  • the length of time that the first station or the first station and the other one or more stations perform uplink transmission is less than or equal to the length of transmission time obtained by the first station competition.
  • FIG. 16 is a structural block diagram of a multi-site transmission execution apparatus according to an embodiment of the present invention.
  • the apparatus is applied to one or more stations, and the apparatus may include: a receiving module 80 configured to receive an access point.
  • the transmitted radio frame carrying the trigger information, and the radio frame carrying the trigger information is used to trigger one or more sites for uplink transmission, where one or more sites are other sites than the first site; and the executing module 90, Set to ignore the NAV set by the first station and perform uplink transmission according to the radio frame.
  • the executing module 90 is configured to ignore the first one if the one or more sites that are set by the first station to set the NAV acquire random access resource information and are allowed to access on the random access resource.
  • the NAV set by the station performs contention access on the random access resources.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the first station sends a radio frame carrying the indication information to the access point on the channel with the bandwidth of the first bandwidth, where the indication information is used to indicate that the access point triggers the first station, or triggers the first
  • the station and the other one or more stations perform uplink transmission, and the indication information includes at least one of the following: information for indicating whether the access point is allowed to trigger the first station and the other one or more stations for uplink transmission; the first station performs subsequent The bandwidth resource size information that needs to be occupied by the uplink transmission; the bandwidth resource location information that the first station needs to occupy for the uplink transmission; and the quality of service (QoS) parameter information of the first station.
  • QoS quality of service
  • the storage medium is further arranged to store program code for performing the following steps:
  • the first station receives a radio frame that is sent by the access point and carries the trigger information, where the radio frame carrying the trigger information is used to indicate the channel allocated by the access point to the first station; the first station is allocated at the access point. Perform uplink transmission on the channel of the first station.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the first station performs channel detection, and selects a bandwidth resource location that needs to be occupied by the subsequent uplink transmission according to the channel detection result.
  • Embodiments of the present invention also provide another storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the access point receives the radio frame that carries the indication information that is sent by the first station on the channel that the contention is the first bandwidth.
  • the access point triggers the first station to perform uplink transmission according to the indication information, or triggers the first station and one or more other stations to perform uplink transmission.
  • the storage medium is further arranged to store program code for performing one of the following steps:
  • the access point performs channel detection, and selects, according to the channel detection result, a bandwidth size and/or a bandwidth resource location of the uplink transmission by the first station;
  • the access point performs channel detection, and selects a bandwidth size and/or a bandwidth resource location of the uplink transmission by the first station and the other one or more stations according to the channel detection result.
  • Still another embodiment of the present invention provides a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • One or more stations receive a radio frame that carries the trigger information and is sent by the access point, and the radio frame that carries the trigger information is used to trigger one or more stations to perform uplink transmission, where one or more sites are first. Other sites outside the site;
  • one or more sites ignore the NAV set by the first station and perform uplink transmission according to the radio frame.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor executes each of the execution steps in the multi-site transmission indication method according to the stored program code in the storage medium.
  • the processor performs each of the execution steps in the multi-site transmission triggering method according to the stored program code in the storage medium.
  • the processor performs each of the execution steps in the multi-site transmission execution method according to the stored program code in the storage medium.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the first station sends a radio frame carrying the indication information to the access point on the channel with the bandwidth of the first bandwidth, where the indication information is used to indicate that the access point triggers the first station, or triggers the first
  • the uplink transmission is performed by the station and the other one or more stations, which solves the problem that if a certain station acquires a certain channel resource through the competition mode, it only occupies some of the channel resources for transmission, and all the bandwidth resources acquired by the competition have been The claim is occupied, so other sites are not allowed to preempt, thereby causing waste of frequency resources, thereby effectively avoiding waste of air interface resources during large bandwidth transmission.

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Abstract

一种多站点的传输指示、传输触发、传输执行方法及装置，第一站点在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，解决了相关技术中如果某站点通过竞争方式获取了一定的信道资源，而自身仅占用其中部分信道资源进行发送，由于竞争获取的所有带宽资源已经被其声明占用，故而其他站点就不得进行抢占，由此造成频率资源浪费的问题，进而有效地避免了大带宽传输时对空口资源的浪费。

Description

多站点的传输指示、传输触发、传输执行方法及装置 技术领域
本发明实施例涉及但不限于一种多站点的传输指示、传输触发、传输执行方法及装置。
背景技术
目前，伴随着更多的用户使用无线局域网(WLAN)进行数据通信，WLAN网络负载也在不断加重，且随着用户数目的增多，WLAN网络的效率也会出现明显下降的趋势。而单纯采取提高速率的手段并不能解决上述问题。多站点并行传输作为解决网络效率的一种备选技术，引起了广泛关注和研究。在相关技术中，多站点并行传输技术可以包括但不限于：多站点多输入多输出(MU-MIMO)技术(即空域多址)，正交频分多址(OFDMA)技术(即频域多址)。
图1是根据相关技术的WLAN基本服务集的示意图。如图1所示，在WLAN中，一个接入点站点(access point Station，简称为AP STA)以及与该AP相关联的多个非接入点站点(non-AP Station，简称为non-AP STA)组成了一个基本服务集(basic service set，简称BSS)。
为了解决隐藏站点问题，802.11提出了虚拟信道检测机制，即当站点1发送帧时，可以在其发送的帧中携带一个时间域，表明站点完成帧交换需要的时间长度，站点2接收站点1发送的帧并返回响应帧，其中，响应帧中也携带有一个时间域，以保证站点1能够完成帧交换。其他听到该帧交换的旁听站点则可以设置一个网络分配矢量(Network Allocation Vector，简称为NAV)，NAV的取值可以设置为上述时间域中的最大值。而且在该时间内，旁听站点不会发送数据，从而避免了因隐藏节点竞争信道而造成碰撞。在NAV减为零后，其他站点才能够发送数据。
图2是根据相关技术的多站点传输帧交换的示意图。如图2所示，WLAN中的多站点并行传输通常表现为多个non-AP STA同时向AP发送数据，一般称这种为上行多站点(uplink multi-user，简称为UL MU)传输，或者AP同时向多个non-AP STA发送数据，称之为下行多站点(downlink  multi-user，简称DL MU)传输。图2中显示的即为典型的上下行多站点传输帧交换序列。
在相关技术中所提供的技术方案中，UL MU传输需要AP进行触发，例如：可以发送触发帧来触发，或者采用在无线帧中携带触发信息域的方式来触发。触发帧或者触发信息域中携带有站点的调度信息，例如：站点的标识信息、站点进行上行传输所使用的时间和频率资源信息、站点的时频偏校准信息等。AP发送触发帧或触发信息域之后，站点接收触发帧或触发信息域，如果自身的标识信息携带在其中，则表示自身被调度在本次UL MU传输中，若自身有待发送数据，则可以进行准备，并按照AP所指示的时频偏校准信息进行同步，在所分配的时间和频率资源上进行发送。
多站点传输可以使得多个站点并行传输，由此节省了空口的占用时间。在网络用户密集的场景下，能够减少网络中的碰撞，提高空口效率。未来的WLAN通信系统能够支持20MHz/40MHz/80MHz/160MHz连续和不连续的带宽分布，如果某站点通过竞争方式获取了一定的信道资源，而自身仅占用其中部分信道资源进行发送，由于竞争获取的所有带宽资源已经被其声明占用，故而其他站点就不得进行抢占。但问题在于，该站点实际上并不占用全部资源，这样便会造成频率资源浪费。相关技术中针对上述技术问题并没有提供有效的解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供了一种多站点的传输指示、传输触发、传输执行方法及装置，以至少解决相关技术中如果某站点通过竞争方式获取了一定的信道资源，而自身仅占用其中部分信道资源进行发送，由于竞争获取的所有带宽资源已经被其声明占用，故而其他站点就不得进行抢占，由此造成频率资源浪费的问题。
根据本发明实施例的一个方面，提供了一种多站点的传输指示方法，包括：
第一站点在竞争到的第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，指示信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的带宽资源位置信息；第一站点的服务质量(QoS)参数信息。
可选地，在第一站点向接入点发送携带有指示信息的无线帧之后，还包括：第一站点接收接入点发送的携带有触发信息的无线帧，其中，携带有触发信息的无线帧用于指示接入点分配给第一站点的信道；第一站点在接入点分配给第一站点的信道上进行上行传输。
可选地，在第一站点发送无线帧之前还包括：第一站点进行信道检测，并依据信道检测结果选择后续进行上行传输需要占用的带宽资源位置。
可选地，带宽资源大小信息用于指示第一带宽中的第一部分；和/或，带宽资源位置信息用于指示带宽为第一带宽中的第一部分的信道的位置。
可选地，带宽资源位置在频带上连续或不连续。
可选地，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
可选地，QoS参数信息包括以下至少之一：第一站点的数据缓存状态信息；第一站点允许传输的数据包最大或最小长度信息；第一站点的最小保证比特速率；第一站点的最小调制与编码策略(MCS)速率要求。
根据本发明实施例的另一方面，提供了一种多站点的传输触发方法，包括：
接入点接收第一站点在竞争到的第一带宽的信道上发送的携带有指示信息的无线帧；接入点根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输。
可选地，指示信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行 传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的带宽资源位置信息；第一站点的QoS参数信息。
可选地，QoS参数信息包括以下至少之一：第一站点的数据缓存状态信息；第一站点允许传输的数据包最大或最小长度信息；第一站点的最小保证比特速率；第一站点的最小MCS速率要求。
可选地，在接入点根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输之前，还包括以下操作之一：接入点进行信道检测，并根据信道检测结果选择第一站点进行上行传输的带宽大小和/或带宽资源位置；接入点进行信道检测，并根据信道检测结果选择第一站点和其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
可选地，接入点根据指示信息通过发送携带有触发信息的无线帧来触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输，其中，携带有触发信息的无线帧的发送带宽大于，等于或小于第一带宽。
可选地，当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息且信息表示为允许，则接入点触发第一站点和其他一个或多个站点进行上行传输；如果信息表示为不允许，则接入点根据发送第一站点的参数信息集合为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
可选地，当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息，若信息表示为不允许且指示信息中未携带第一站点的参数信息集合，接入点根据信道检测结果为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
可选地，接入点根据对携带有指示信息的无线帧的信号检测结果为第一站点选择带宽大小和/或带宽资源位置。
可选地，当指示信息中未携带有是否允许接入点触发第一站点和其他一 个或多个站点进行上行传输的信息，则接入点触发第一站点和其他一个或多个站点进行上行传输。
可选地，当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源大小信息，则接入点至少为第一站点分配与带宽资源大小信息对应的传输带宽。
可选地，当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源位置信息，则接入点至少为第一站点分配与带宽资源位置信息对应的带宽资源。
可选地，当QoS参数信息包括站点的数据缓存状态信息，站点允许传输的数据包最大或最小长度信息，站点的最小保证比特速率，站点的最小调制与编码策略MCS速率要求中的至少之一时，接入点根据QoS参数信息为第一站点分配上行传输的带宽大小和/或带宽资源位置。
可选地，接入点分配给第一站点的信道在频带上连续或不连续。
可选地，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
根据本发明实施例的又一方面，提供了一种多站点的传输执行方法，包括：
一个或多个站点接收接入点发送的携带有触发信息的无线帧，携带有触发信息的无线帧用于触发一个或多个站点进行上行传输，其中，一个或多个站点为第一站点之外的其他站点；一个或多个站点忽略被第一站点设置的网络分配矢量(NAV)并根据无线帧进行上行传输。
可选地，如果被第一站点设置NAV的一个或多个站点获取到随机接入资源信息，且被允许在随机接入资源上进行接入，则一个或多个站点忽略被第一站点设置的NAV在随机接入资源上进行竞争接入。
根据本发明实施例的又一方面，提供了一种多站点的传输指示装置，该装置应用于站点，包括：
发送模块，设置为在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点， 或，触发第一站点和其他一个或多个站点进行上行传输，指示信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的带宽资源位置信息；第一站点的QoS参数信息。
可选地，上述装置还包括：接收模块，设置为接收接入点发送的携带有触发信息的无线帧，其中，携带有触发信息的无线帧用于指示接入点分配给第一站点的信道；传输模块，用于在接入点分配给第一站点的信道上进行上行传输。
可选地，上述装置还包括：选择模块，设置为进行信道检测，并依据信道检测结果选择后续进行上行传输需要占用的带宽资源位置。
可选地，带宽资源大小信息用于指示第一带宽中的第一部分；和/或，带宽资源位置信息用于指示带宽为第一带宽中的第一部分的信道的位置。
可选地，带宽资源位置在频带上连续或不连续。
可选地，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
可选地，QoS参数信息包括以下至少之一：第一站点的数据缓存状态信息；第一站点允许传输的数据包最大或最小长度信息；第一站点的最小保证比特速率；第一站点的最小MCS速率要求。
根据本发明实施例的再一方面，提供了一种多站点的传输触发装置，该装置应用于接入点，包括：
接收模块，设置为接收第一站点在竞争到的带宽为第一带宽的信道上发送的携带有指示信息的无线帧；触发模块，设置为根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输。
可选地，指示信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的 带宽资源位置信息；第一站点的QoS参数信息。
可选地，QoS参数信息包括以下至少之一：第一站点的数据缓存状态信息；第一站点允许传输的数据包最大或最小长度信息；第一站点的最小保证比特速率；第一站点的最小MCS速率要求。
可选地，上述装置还包括：选择模块，设置为进行信道检测，并根据信道检测结果执行以下操作中的之一：根据信道检测结果选择第一站点进行上行传输的带宽大小和/或带宽资源位置；根据信道检测结果选择第一站点和其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
可选地，触发模块，设置为根据指示信息通过发送携带有触发信息的无线帧来触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输，其中，携带有触发信息的无线帧的发送带宽大于，等于或小于第一带宽。
可选地，触发模块，设置为当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息且信息表示为允许，触发第一站点和其他一个或多个站点进行上行传输；如果信息表示为不允许，则根据发送第一站点的参数信息集合为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
可选地，触发模块，设置为当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息，若信息表示为不允许且指示信息中未携带第一站点的参数信息集合时，则根据信道检测结果为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
可选地，触发模块，设置为根据对携带有指示信息的无线帧的信号检测结果为第一站点选择带宽大小和/或带宽资源位置。
可选地，触发模块，设置为当指示信息中未携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息时，则触发第一站点和其他一个或多个站点进行上行传输。
可选地，触发模块，设置为当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源大小信息时，则至少为第一站点分配与带宽资源大小信息对应的传输带宽。
可选地，触发模块，设置为当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源位置信息时，则至少为第一站点分配与带宽资源位置信息对应的带宽资源。
可选地，触发模块，设置为当QoS参数信息包括站点的数据缓存状态信息，站点允许传输的数据包最大或最小长度信息，站点的最小保证比特速率，站点的最小调制与编码策略MCS速率要求中的至少之一时，根据QoS参数信息为第一站点分配上行传输的带宽大小和/或带宽资源位置。
可选地，接入点分配给第一站点的信道在频带上连续或不连续。
可选地，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
根据本发明实施例的再一方面，提供了一种多站点的传输执行装置，该装置应用于一个或多个站点，包括：
接收模块，设置为接收接入点发送的携带有触发信息的无线帧，携带有触发信息的无线帧用于触发一个或多个站点进行上行传输，其中，一个或多个站点为第一站点之外的其他站点；执行模块，设置为忽略被所述第一站点设置的NAV并根据无线帧进行上行传输。
可选地，执行模块，设置为如果被第一站点设置NAV的一个或多个站点获取到随机接入资源信息，且被允许在随机接入资源上进行接入，则忽略被所述第一站点设置的NAV在随机接入资源上进行竞争接入。
本发明实施例再提供了一种算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一多站点的传输指示、和/或上述任一项多站点的传输触发、和/或上述任一项多站点的传输执行方法。
通过本发明实施例，采用第一站点在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，指示 信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的带宽资源位置信息；第一站点的QoS参数信息，由此解决了相关技术中如果某站点通过竞争方式获取了一定的信道资源，而自身仅占用其中部分信道资源进行发送，由于竞争获取的所有带宽资源已经被其声明占用，故而其他站点就不得进行抢占，由此造成频率资源浪费的问题，进而有效地避免了大带宽传输时对空口资源的浪费。
本发明实施例的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
此处所说明的附图用来提供对本发明实施例的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据相关技术的WLAN基本服务集的示意图；
图2是根据相关技术的多站点传输帧交换的示意图；
图3是根据本发明实施例的多站点的传输指示方法的流程图；
图4是根据本发明实施例的多站点的传输触发方法的流程图；
图5是根据本发明实施例的多站点的传输执行方法的流程图；
图6是根据本发明优选实施例一的多站点传输方法的示意图；
图7是根据本发明优选实施例二的多站点传输方法的示意图；
图8是根据本发明优选实施例三的多站点传输方法的示意图；
图9是根据本发明优选实施例四的多站点传输方法的示意图；
图10是根据本发明优选实施例五的多站点传输方法的示意图；
图11是根据本发明优选实施例六的多站点传输方法的示意图；
图12是根据本发明实施例的多站点的传输指示装置的结构框图；
图13是根据本发明优选实施例的多站点的传输指示装置的结构框图；
图14是根据本发明实施例的多站点的传输触发装置的结构框图；
图15是根据本发明优选实施例的多站点的传输触发装置的结构框图；
图16是根据本发明实施例的多站点的传输执行装置的结构框图。
本发明的较佳实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种多站点的传输指示方法，图3是根据本发明实施例的多站点的传输指示方法的流程图，如图3所示，该流程包括如下步骤：
步骤S302，第一站点在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，指示信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的带宽资源位置信息；第一站点的服务质量(QoS)参数信息。
通过上述步骤，能够使得在站点获取传输机会且不使用该传输机会的全部带宽资源时，通过向接入点发送指示信息进而接入点根据指示信息触发上行多站点传输，由此解决了相关技术中如果某站点通过竞争方式获取了一定的信道资源，而自身仅占用其中部分信道资源进行发送，由于竞争获取的所有带宽资源已经被其声明占用，故而其他站点就不得进行抢占，由此造成频 率资源浪费的问题，进而有效地避免了大带宽传输时对空口资源的浪费。
在优选实施过程中，带宽资源大小信息用于指示第一带宽中的第一部分；和/或，带宽资源位置信息用于指示带宽为第一带宽中的第一部分的信道的位置。
优选地，上述带宽资源位置在频带上既可以是连续的，当然也可以是不连续的。
优选地，在步骤S302，第一站点向接入点发送携带有指示信息的无线帧之后，还可以包括以下步骤：
步骤S1，第一站点接收接入点发送的携带有触发信息的无线帧，其中，携带有触发信息的无线帧用于指示接入点分配给第一站点的信道；第一站点在接入点分配给第一站点的信道上进行上行传输。
优选地，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度可以小于或等于第一站点竞争获得的传输时间长度。
在优选实施过程中，上述QoS参数信息包括以下至少之一：
(1)第一站点的数据缓存状态信息；
(2)第一站点允许传输的数据包最大或最小长度信息；
(3)第一站点的最小保证比特速率；
(4)第一站点的最小调制与编码策略(MCS)速率要求。
优选地，在步骤S302，第一站点发送无线帧之前，还可以包括以下步骤：
步骤S2，第一站点进行信道检测，并依据信道检测结果选择后续进行上行传输需要占用的带宽资源位置。
在本实施例中提供了一种多站点的传输触发方法，图4是根据本发明实施例的多站点的传输触发方法的流程图，如图4所示，该流程包括如下步骤：
步骤S402，接入点接收第一站点在竞争到的带宽为第一带宽的信道上发送的携带有指示信息的无线帧；
步骤S404，接入点根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输。
通过上述实施例，能够使得在站点获取传输机会且不使用该传输机会的全部带宽资源时，能够将带宽资源释放，由AP触发上行多站点传输，从而避免了大带宽传输时对空口资源的浪费。
优选地，上述指示信息可以包括但不限于以下至少之一：
(1)用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；
(2)第一站点后续进行上行传输需要占用的带宽资源大小信息；
(3)第一站点后续进行上行传输需要占用的带宽资源位置信息；
(4)第一站点的QoS参数信息。
优选地，上述QoS参数信息可以包括但不限于以下至少之一：
(1)第一站点的数据缓存状态信息；
(2)第一站点允许传输的数据包最大或最小长度信息；
(3)第一站点的最小保证比特速率；
(4)第一站点的最小MCS速率要求。
优选地，在步骤S404，接入点根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输之前，还可以包括以下操作之一：
步骤S3，接入点进行信道检测，并根据信道检测结果选择第一站点进行上行传输的带宽大小和/或带宽资源位置；
步骤S4，接入点进行信道检测，并根据信道检测结果选择第一站点和其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
优选地，在步骤S404中，接入点可以根据指示信息通过发送携带有触发信息的无线帧来触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输，其中，携带有触发信息的无线帧的发送带宽大于，等于或小于第一带宽。
优选地，在步骤S404中，当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息且信息表示为允许，则接入点触发第一站点和其他一个或多个站点进行上行传输；如果信息表示为不允许，则接入点根据发送第一站点的参数信息集合为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
优选地，在步骤S404中，当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息，若信息表示为不允许且指示信息中未携带第一站点的参数信息集合，接入点根据信道检测结果为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
在优选实施过程中，接入点可以根据对携带有指示信息的无线帧的信号检测结果为第一站点选择带宽大小和/或带宽资源位置。
优选地，在步骤S404中，当指示信息中未携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息，则接入点触发第一站点和其他一个或多个站点进行上行传输。
优选地，在步骤S404中，当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源大小信息，则接入点至少为第一站点分配与带宽资源大小信息对应的传输带宽。
优选地，在步骤S404中，当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源位置信息，则接入点至少为第一站点分配与带宽资源位置信息对应的带宽资源。
优选地，在步骤S404中，当QoS参数信息包括站点的数据缓存状态信息，站点允许传输的数据包最大或最小长度信息，站点的最小保证比特速率，站点的最小调制与编码策略MCS速率要求中的至少之一时，接入点根据QoS参数信息为第一站点分配上行传输的带宽大小和/或带宽资源位置。
在优选实施过程中，接入点分配给第一站点的信道在频带上连续或不连续。
在优选实施过程中，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
在本实施例中提供了一种多站点的传输指示方法，图5是根据本发明实施例的多站点的传输执行方法的流程图，如图5所示，该流程包括如下步骤：
步骤S502，一个或多个站点接收接入点发送的携带有触发信息的无线帧，携带有触发信息的无线帧用于触发一个或多个站点进行上行传输，其中，一个或多个站点为第一站点之外的其他站点；
步骤S504，一个或多个站点忽略被第一站点设置的网络分配矢量(NAV)并根据无线帧进行上行传输。
优选地，在步骤S504中，如果被第一站点设置NAV的一个或多个站点获取到随机接入资源信息，且被允许在随机接入资源上进行接入，则一个或多个站点忽略被第一站点设置的NAV在随机接入资源上进行竞争接入。
下面将结合以下几个优选实施例对上述优选实施过程作进一步的描述。
优选实施例一
图6是根据本发明优选实施例一的多站点传输方法的示意图。如图6所示，STA1在带宽为80MHz的信道上竞争发送无线帧，并获取了传输机会，其传输机会的时长为T1。STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要40MHz带宽资源。
AP在接收到STA1的携带指示信息的无线帧后，首先回复响应帧(可以是确认帧)给STA1，表明自身已经接收到上述无线帧。随后，AP进行信道检测，并根据检测结果进行上行多站点传输的调度。
AP进行上行多站点调度的总体带宽可以是80MHz，也可以大于80MHz。在该优选实施例中，经过信道检测，AP将STA1竞争到的80MHz用于上行多站点传输。由于STA1已经声明自己最少需要40MHz带宽，则AP在上行多站点传输调度时，至少为STA1分配40MHz带宽资源，除非STA1声明，否则AP为STA1分配的资源可以是频带上连续的，或者是不连续的。AP将其余带宽资源平均分配给STA2和STA3，即各20MHz，并在所 发送的触发帧中携带资源分配信息。
STA1、STA2和STA3均接收到上述触发帧，并按照触发帧中的资源分配信息进行上行多站点传输。AP调度上行多站点传输的传输时间不超过STA1获取的传输机会的时间长度T1。
STA2和STA3作为旁听站点，听到STA1发送的无线帧后，设置了NAV，但随后又接收到AP发送的触发帧，其中，自身被调度参与上行多站点传输，则STA2和STA3忽略NAV进行发送。
优选实施例二
图7是根据本发明优选实施例二的多站点传输方法的示意图。如图7所示，STA1在带宽为20MHz的信道上竞争发送无线帧，并获取了传输机会，其传输机会的时长为T1。20MHz以26个子载波为资源粒度划分为9个子信道，STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要占用的带宽资源位置信息，即具体需要占用哪几个子信道。STA1对子信道的选择是基于自身对信道的测量结果得出的，其所占用的子信道可以是连续的，或者是不连续的。
AP在接收到STA1的携带指示信息的无线帧后，首先回复响应帧(可以是确认帧)给STA1，表明自身已经接收到上述无线帧。随后，AP进行信道检测，并根据检测结果进行上行多站点传输的调度。
AP进行上行多站点调度的总体带宽可以是20MHz，当然也可以大于20MHz。在该优选实施例中，经过信道检测，AP将STA1竞争到的20MHz用于上行多站点输，由于STA1已经声明自身最少需要占用的子信道是哪些，则AP在上行多站点传输调度时，至少为STA1分配上述子信道。此外，AP还将其余带宽资源分配给其他站点，并在所发送的触发帧中携带资源分配信息。
其他站点接收到上述触发帧，并按照触发帧中的资源分配信息进行上行多站点传输。AP调度上行多站点传输的传输时间不超过STA1获取的传输机会的时间长度T1。
另外，其他作为旁听站点，在听到STA1发送的无线帧后，设置了NAV，但随后又接收到AP发送的触发帧，其中，自身被调度参与上行多站点传输，则忽略NAV进行发送。
优选实施例三
图8是根据本发明优选实施例三的多站点传输方法的示意图。如图8所示，STA1在带宽为20MHz的信道上竞争发送无线帧，并获取了传输机会，传输机会的时长为T1。20MHz以26个子载波为资源粒度划分为9个子信道，STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要占用的带宽资源位置信息，即具体需要占用哪几个子信道。STA1对子信道的选择是基于自身对信道的测量结果得出，其所占用的子信道可以是连续的，或者是不连续的。
AP在接收到STA1的携带指示信息的无线帧后，首先回复响应帧(可以是确认帧)给STA1，表明自身已经接收到上述无线帧。随后，AP进行信道检测，并根据检测结果进行上行多站点传输的调度。
在该优选实施例中，经过信道检测，AP进行上行多站点传输的带宽是40MHz，其中，20MHz为STA1竞争到的20MHz。由于STA1已经声明自身最少需要占用的子信道是哪些，则AP在上行多站点传输调度时，至少为STA1分配上述子信道。同时，AP将其余带宽资源分配给其他站点，并在所发送的触发帧中携带资源分配信息。
其他站点接收到上述触发帧，并按照触发帧中的资源分配信息进行上行多站点传输。AP调度上行多站点传输的传输时间不超过STA1获取的传输机会的时间长度T1。
其他作为旁听站点，在听到STA1发送的无线帧后，设置了NAV，但随后又接收到AP发送的触发帧，其中，自己被调度参与上行多站点传输，则忽略NAV进行发送。
优选实施例四
图9是根据本发明优选实施例四的多站点传输方法的示意图。如图9所示，STA1在带宽为80MHz的信道上竞争发送无线帧，并获取了传输机会，传输机会的时长为T1。STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要20MHz带宽资源。
AP在接收到STA1的携带指示信息的无线帧后，首先回复响应帧(可以是确认帧)给STA1，表明自身已经接收到上述无线帧。随后，AP进行信道检测，并根据检测结果进行上行多站点传输的调度。
AP进行上行多站点调度的总体带宽可以小于80MHz。在该优选实施例中，经过信道检测，AP用于上行多站点传输的带宽确定为40MHz，由于STA1已经声明自身最少需要20MHz带宽，则AP在上行多站点传输调度时，至少为STA1分配20MHz带宽资源，除非STA1声明，否则AP为STA1分配的资源可以是频带上连续的，或者是不连续的。同时，AP将其余带宽资源分配给其他站点，并在所发送的触发帧中携带资源分配信息。
其他接收到上述触发帧，并按照触发帧中的资源分配信息进行上行多站点传输。AP调度上行多站点传输的传输时间不超过STA1获取的传输机会的时间长度T1。
其他站点在听到STA1发送的无线帧后，设置了NAV，但随后又收到了AP发送的触发帧，其中，自身被调度参与上行多站点传输，则忽略NAV进行发送。
优选实施例五
图10是根据本发明优选实施例五的多站点传输方法的示意图。如图10所示，STA1在带宽为20MHz的信道上竞争发送无线帧，并获取了传输机会，传输机会的时长为T1。STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要占用哪几个子信道。STA1对子信道的选择是基于自身对信道的测量结果得出，所占用的子信道可以是连续的，或者是不连续的。
AP在接收到STA1的携带指示信息的无线帧后，首先回复响应帧(可以 是确认帧)给STA1，表明自身已经接收到上述无线帧。随后，AP进行信道检测，并根据检测结果进行上行多站点传输的调度。
在该优选实施例中，经过信道检测，AP进行上行多站点传输的带宽是40MHz，其中，20MHz为STA1竞争到的20MHz。由于STA1已经声明自身最少需要占用的子信道是哪些，则AP在上行多站点传输调度时，至少为STA1分配上述子信道。同时，AP将其余带宽资源分配给其他站点，并在所发送的触发帧中携带资源分配信息。AP进行所分配的上行多站点传输在频带上可以是连续的，或者非连续的，该优选实施例即为一个非连续分配的示例。
其他站点接收到上述触发帧，按照触发帧中的资源分配信息进行上行多站点传输。AP调度上行多站点传输的传输时间不超过STA1获取的传输机会的时间长度T1。
其他作为旁听站点，在听到STA1发送的无线帧后，设置了NAV，但随后又接收到AP发送的触发帧，其中自己被调度参与上行多站点传输，则忽略NAV进行发送。
优选实施例六
图11是根据本发明优选实施例六的多站点传输方法的示意图。如图11所示，STA1在带宽为80MHz的信道上竞争发送无线帧，并获取了传输机会，传输机会的时长为T1。STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要40MHz带宽资源。
AP在接收到STA1的携带指示信息的无线帧后，首先回复响应帧(可以是确认帧)给STA1，表明自身已经接收到上述无线帧。随后，AP进行信道检测，根据检测结果进行上行多站点传输的调度。
在该优选实施例中，经过信道检测，AP将STA1竞争到的80MHz用于上行多站点传输，由于STA1已经声明自身最少需要40MHz带宽，则AP在上行多站点传输调度时，至少为STA1分配40MHz带宽资源，除非STA1声明，否则AP为STA1分配的资源可以是频带上连续的，或者是不连续的。 同时，AP将其余带宽资源分配为随机接入资源。
其他站点在听到STA1发送的无线帧后，设置了NAV，但随后又收到了AP发送的触发帧，其中，有允许随机接入的资源，则其他站点可以忽略NAV进行竞争发送。在该优选实施例中，竞争获取该资源的站点是STA2，则STA2发送自身的数据包。
AP调度上行多站点传输的传输时间不超过STA1获取的传输机会的时间长度T1。其他站点如果获取到了AP分配的随机接入资源，则占用信道的时间长度不超过T1。
优选实施例七
STA1在带宽为80MHz的信道上竞争发送无线帧，并获取了传输机会，其传输机会的时长为T1。STA1在发送的无线帧中携带指示信息，通知AP自身后续传输至少需要40MHz带宽资源。
AP在接收到STA1的携带指示信息的无线帧后，回复响应帧给STA1，表明自身已经接收到上述无线帧。AP认为可以进行上行多用户调度，AP进行信道检测，根据检测结果和各站点的缓存情况进行上行多用户传输的调度。
在该优选实施例中，经过信道检测，AP将STA1竞争到的80MHz用于上行多用户传输，STA1声明自己最少需要40MHz带宽，且STA1在指示信息中携带了自己的QoS参数信息：数据缓存状态信息；允许的数据包最大或最小长度信息；最小保证比特速率；最小MCS速率要求等，AP据此少为STA1分配带宽为40MHz的子信道。AP将其余带宽资源分配为随机接入资源，且允许该AP下听到该触发帧的站点进行随机接入。
其他站点听到STA1发送的无线帧后，设置了NAV，但随后又接收到了AP发送的触发帧，其中有允许随机接入的资源，则其他站点可以忽略NAV进行竞争发送。
AP调度上行多用户传输的传输时间不超过STA1获取的传输机会的时间长度T1。其他站点如果获取了AP分配的随机接入资源，则占用信道的时 间长度不超过T1。
优选实施例八
STA1在带宽为80MHz的信道上竞争发送无线帧，并获取了传输机会，其传输机会的时长为T1。STA1在发送的无线帧中携带指示信息，指示AP不允许进行上行多用户传输的调度。STA1在指示信息中声明以下信息的一种或多种：自身需要占用的带宽，声明自身需要占用哪些子信道，声明自身的QoS参数信息。
AP在接收到STA1的携带指示信息的无线帧后，回复响应帧给STA1，表明自身已经接收到上述无线帧。由于STA1不允许AP进行上行多用户传输调度，则AP根据STA1声明的信息为STA1进行信道选择。例如，STA1声明自己需要40MHz带宽，则AP根据收到的无线帧进行测量，并结合信道检测情况，为STA1分配大于或等于40MHz的信道。STA1如果声明自身需要占用哪些子信道，则AP根据收到的无线帧进行测量，并结合信道检测情况为STA1分配相应子信道，或者其他更为合适的子信道。STA1如果声明自身的QoS参数和自身需要的带宽，则AP AP根据收到的无线帧进行测量，并结合自己的信道检测情况，为STA1分配能够满足其带宽和QoS要求的信道。
如果STA1的指示信息中没有携带所述站点的带宽资源大小、带宽资源位置、QoS参数信息，则AP根据对STA1发送的无线帧的测量，结合信道检测结果为STA1分配上行传输资源。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明各个实施例所述的方法。
在本实施例中还提供了一种多站点的传输指示装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图12是根据本发明实施例的多站点的传输指示装置的结构框图，如图12所示，该装置应用于站点，该装置可以包括：发送模块10，用于在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，指示信息可以包括但不限于以下至少之一：
(1)用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；
(2)第一站点后续进行上行传输需要占用的带宽资源大小信息；
(3)第一站点后续进行上行传输需要占用的带宽资源位置信息；
(4)第一站点的QoS参数信息。
优选地，带宽资源大小信息用于指示第一带宽中的第一部分；和/或，带宽资源位置信息用于指示带宽为第一带宽中的第一部分的信道的位置。
优选地，带宽资源位置在频带上连续或不连续。
图13是根据本发明优选实施例的多站点的传输指示装置的结构框图，如图13所示，该装置除包括图12所示的所有模块外，上述装置还可以包括：接收模块20，用于接收接入点发送的携带有触发信息的无线帧，其中，携带有触发信息的无线帧用于指示接入点分配给第一站点的信道；传输模块30，用于在接入点分配给第一站点的信道上进行上行传输。
优选地，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
优选地，上述QoS参数信息可以包括但不限于以下至少之一：
(1)第一站点的数据缓存状态信息；
(2)第一站点允许传输的数据包最大或最小长度信息；
(3)第一站点的最小保证比特速率；
(4)第一站点的最小MCS速率要求。
优选地，如图13所示，上述装置还可以包括：选择模块40，用于进行信道检测，并依据信道检测结果选择后续进行上行传输需要占用的带宽资源位置。
在本实施例中还提供了一种多站点的传输触发装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。
图14是根据本发明实施例的多站点的传输触发装置的结构框图，如图14所示，该装置应用于接入点，该装置可以包括：接收模块50，用于接收第一站点在竞争到的带宽为第一带宽的信道上发送的携带有指示信息的无线帧；触发模块60，用于根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输。
优选地，上述指示信息可以包括但不限于以下至少之一：
(1)用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；
(2)第一站点后续进行上行传输需要占用的带宽资源大小信息；
(3)第一站点后续进行上行传输需要占用的带宽资源位置信息；
(4)第一站点的QoS参数信息。
优选地，上述QoS参数信息可以包括但不限于以下至少之一：
(1)第一站点的数据缓存状态信息；
(2)第一站点允许传输的数据包最大或最小长度信息；
(3)第一站点的最小保证比特速率；
(4)第一站点的最小MCS速率要求。
图15是根据本发明优选实施例的多站点的传输触发装置的结构框图，如图15所示，该装置除包括图14所示的所有模块外，上述装置还可以包括：选择模块70，用于进行信道检测，并根据信道检测结果选择执行以下 操作中之一：根据信道检测结果选择第一站点进行上行传输的带宽大小和/或带宽资源位置；根据信道检测结果选择第一站点和其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
优选地，触发模块60，设置为根据指示信息通过发送携带有触发信息的无线帧来触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输，其中，携带有触发信息的无线帧的发送带宽大于，等于或小于第一带宽。
优选地，触发模块60，设置为当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息且信息表示为允许，触发第一站点和其他一个或多个站点进行上行传输；如果信息表示为不允许，则根据发送第一站点的参数信息集合为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
优选地，触发模块60，设置为当指示信息中携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息，若信息表示为不允许且指示信息中未携带第一站点的参数信息集合时，则根据信道检测结果为第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
优选地，触发模块60，设置为根据对携带有指示信息的无线帧的信号检测结果为第一站点选择带宽大小和/或带宽资源位置。
优选地，触发模块60，设置为当指示信息中未携带有是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息时，则触发第一站点和其他一个或多个站点进行上行传输。
优选地，触发模块60，设置为当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源大小信息时，则至少为第一站点分配与带宽资源大小信息对应的传输带宽。
优选地，触发模块60，设置为当指示信息中携带有第一站点后续进行上行传输需要占用的带宽资源位置信息时，则至少为第一站点分配与带宽资源位置信息对应的带宽资源。
优选地，触发模块60，设置为当QoS参数信息包括站点的数据缓存状态信息，站点允许传输的数据包最大或最小长度信息，站点的最小保证比特速率，站点的最小调制与编码策略MCS速率要求中的至少之一时，根据QoS参数信息为第一站点分配上行传输的带宽大小和/或带宽资源位置。
在优选实施过程中，接入点分配给第一站点的信道在频带上连续或不连续。
在优选实施过程中，第一站点或第一站点和其他一个或多个站点进行上行传输的时间长度小于或等于第一站点竞争获得的传输时间长度。
图16是根据本发明实施例的多站点的传输执行装置的结构框图，如图16所示，该装置应用于一个或多个站点，该装置可以包括：接收模块80，设置为接收接入点发送的携带有触发信息的无线帧，携带有触发信息的无线帧用于触发一个或多个站点进行上行传输，其中，一个或多个站点为第一站点之外的其他站点；执行模块90，设置为忽略被第一站点设置的NAV并根据无线帧进行上行传输。
优选地，执行模块90，设置为如果被第一站点设置NAV的一个或多个站点获取到随机接入资源信息，且被允许在随机接入资源上进行接入，则忽略被所述第一站点设置的NAV在随机接入资源上进行竞争接入。
需要说明的是，上述各个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述模块分别位于多个处理器中。
本发明的实施例还提供了一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，第一站点在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，指示信息包括以下至少之一：用于指示是否允许接入点触发第一站点和其他一个或多个站点进行上行传输的信息；第一站点后续进行上行传输需要占用的带宽资源大小信息；第一站点后续进行上行传输需要占用的带宽资源位置信息；第一站点的服务质量(QoS)参数信息。
可选地，存储介质还被设置为存储用于执行以下步骤的程序代码：
S1，第一站点接收接入点发送的携带有触发信息的无线帧，其中，携带有触发信息的无线帧用于指示接入点分配给第一站点的信道；第一站点在接入点分配给第一站点的信道上进行上行传输。
可选地，存储介质还被设置为存储用于执行以下步骤的程序代码：
S2，第一站点进行信道检测，并依据信道检测结果选择后续进行上行传输需要占用的带宽资源位置。
本发明的实施例还提供了另一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，接入点接收第一站点在竞争到的带宽为第一带宽的信道上发送的携带有指示信息的无线帧；
S2，接入点根据指示信息触发第一站点进行上行传输，或者，触发第一站点和其他一个或多个站点进行上行传输。
可选地，存储介质还被设置为存储用于执行以下步骤之一的程序代码：
S1，接入点进行信道检测，并根据信道检测结果选择第一站点进行上行传输的带宽大小和/或带宽资源位置；
S2，接入点进行信道检测，并根据信道检测结果选择第一站点和其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
本发明的实施例还提供了又一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，一个或多个站点接收接入点发送的携带有触发信息的无线帧，携带有触发信息的无线帧用于触发一个或多个站点进行上行传输，其中，一个或多个站点为第一站点之外的其他站点；
S2，一个或多个站点忽略被第一站点设置的NAV并根据无线帧帧进行上行传输。
可选地，存储介质还被设置为存储用于执行以下步骤的程序代码：
S1，如果被第一站点设置NAV的一个或多个站点获取到随机接入资源 信息，且被允许在随机接入资源上进行接入，则一个或多个站点忽略被第一站点设置的NAV在随机接入资源上进行竞争接入。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行上述多站点的传输指示方法中的各个执行步骤。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行上述多站点的传输触发方法中的各个执行步骤。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行上述多站点的传输执行方法中的各个执行步骤。
可选地，本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提出的多站点的传输指示、传输触发、传输执行方法及装 置，第一站点在竞争到的带宽为第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，指示信息用于指示接入点触发第一站点，或，触发第一站点和其他一个或多个站点进行上行传输，解决了相关技术中如果某站点通过竞争方式获取了一定的信道资源，而自身仅占用其中部分信道资源进行发送，由于竞争获取的所有带宽资源已经被其声明占用，故而其他站点就不得进行抢占，由此造成频率资源浪费的问题，进而有效地避免了大带宽传输时对空口资源的浪费。

Claims (47)

  1. 一种多站点的传输指示方法，包括：第一站点在竞争到的第一带宽的信道上向接入点发送携带有指示信息的无线帧，其中，
    所述指示信息用于指示所述接入点触发所述第一站点，或，触发所述第一站点和其他一个或多个站点进行上行传输；
    所述指示信息包括以下至少之一：
    用于指示是否允许所述接入点触发所述第一站点和其他一个或多个站点进行上行传输的信息；
    所述第一站点后续进行上行传输需要占用的带宽资源大小信息；
    所述第一站点后续进行上行传输需要占用的带宽资源位置信息；
    所述第一站点的服务质量QoS参数信息。
  2. 根据权利要求1所述的传输指示方法，在所述第一站点向接入点发送携带有指示信息的无线帧之后，还包括：
    所述第一站点接收接入点发送的携带有触发信息的无线帧；其中，所述携带有触发信息的无线帧用于指示所述接入点分配给所述第一站点的信道；
    所述第一站点在所述接入点分配给所述第一站点的信道上进行上行传输。
  3. 根据权利要求1所述的传输指示方法，在所述第一站点发送所述无线帧之前，还包括：
    所述第一站点进行信道检测，并依据信道检测结果选择所述后续进行上行传输需要占用的带宽资源位置。
  4. 根据权利要求1、2或3所述的传输指示方法，其中，所述带宽资源大小信息用于指示所述第一带宽中的第一部分；和/或，所述带宽资源位置信息用于指示所述带宽为所述第一带宽中的第一部分的信道的位置。
  5. 根据权利要求1、2或3所述的传输指示方法，其中，所述带宽资源位置在频带上连续或不连续。
  6. 根据权利要求1、2或3所述的传输指示方法，其中，所述第一站点 或所述第一站点和所述其他一个或多个站点进行上行传输的时间长度小于或等于所述第一站点竞争获得的传输时间长度。
  7. 根据权利要求1、2或3所述的传输指示方法，其中，所述QoS参数信息包括以下至少之一：
    所述第一站点的数据缓存状态信息；
    所述第一站点允许传输的数据包最大或最小长度信息；
    所述第一站点的最小保证比特速率；
    所述第一站点的最小调制与编码策略MCS速率要求。
  8. 一种多站点的传输触发方法，包括：
    接入点接收第一站点在竞争到的第一带宽的信道上发送的携带有指示信息的无线帧；
    所述接入点根据所述指示信息触发所述第一站点进行上行传输，或者，触发所述第一站点和其他一个或多个站点进行上行传输。
  9. 根据权利要求8所述的传输触发方法，其中，所述指示信息包括以下至少之一：
    用于指示是否允许所述接入点触发所述第一站点和其他一个或多个站点进行上行传输的信息；
    所述第一站点后续进行上行传输需要占用的带宽资源大小信息；
    所述第一站点后续进行上行传输需要占用的带宽资源位置信息；
    所述第一站点的服务质量QoS参数信息。
  10. 根据权利要求9所述的传输触发方法，其中，所述QoS参数信息包括以下至少之一：
    所述第一站点的数据缓存状态信息；
    所述第一站点允许传输的数据包最大或最小长度信息；
    所述第一站点的最小保证比特速率；
    所述第一站点的最小调制与编码策略MCS速率要求。
  11. 根据权利要求8所述的传输触发方法，在所述接入点根据所述指示信息触发所述第一站点进行上行传输，或者，触发所述第一站点和所述其他一个或多个站点进行上行传输之前，还包括以下操作之一：
    所述接入点进行信道检测，并根据信道检测结果选择所述第一站点进行上行传输的带宽大小和/或带宽资源位置；
    所述接入点进行信道检测，并根据信道检测结果选择所述第一站点和所述其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
  12. 根据权利要求8所述的传输触发方法，其中，所述接入点根据所述指示信息通过发送携带有触发信息的无线帧来触发所述第一站点进行上行传输，或者，触发所述第一站点和其他一个或多个站点进行上行传输，其中，所述携带有触发信息的无线帧的发送带宽大于，等于或小于所述第一带宽。
  13. 根据权利要求9所述的传输触发方法，其中，当所述指示信息中携带有是否允许所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输的信息；且，
    如果所述信息表示为允许，则所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输；
    如果所述信息表示为不允许，则所述接入点根据发送所述第一站点的参数信息集合为所述第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，所述参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
  14. 根据权利要求9所述的传输触发方法，其中，当所述指示信息中携带有是否允许所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输的信息，若所述信息表示为不允许且所述指示信息中未携带所述第一站点的参数信息集合，所述接入点根据信道检测结果为所述第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，所述参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
  15. 根据权利要求14所述的传输触发方法，其中，所述接入点根据对所述携带有指示信息的无线帧的信号检测结果为所述第一站点选择带宽大小和 /或带宽资源位置。
  16. 根据权利要求9所述的传输触发方法，其中，当所述指示信息中未携带有是否允许所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输的信息，则所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输。
  17. 根据权利要求9所述的传输触发方法，其中，当所述指示信息中携带有所述第一站点后续进行上行传输需要占用的带宽资源大小信息，则所述接入点至少为所述第一站点分配与所述带宽资源大小信息对应的传输带宽。
  18. 根据权利要求9所述的传输触发方法，其中，当所述指示信息中携带有所述第一站点后续进行上行传输需要占用的带宽资源位置信息，则所述接入点至少为所述第一站点分配与所述带宽资源位置信息对应的带宽资源。
  19. 根据权利要求10所述的传输触发方法，其中，当所述QoS参数信息包括所述站点的数据缓存状态信息，所述站点允许传输的数据包最大或最小长度信息，所述站点的最小保证比特速率，所述站点的最小MCS速率要求中的至少之一时，所述接入点根据所述QoS参数信息为所述第一站点分配上行传输的带宽大小和/或带宽资源位置。
  20. 根据权利要求9所述的传输触发方法，其中，所述接入点分配给所述第一站点的信道在频带上连续或不连续。
  21. 根据权利要求9所述的传输触发方法，其中，所述第一站点或所述第一站点和所述其他一个或多个站点进行上行传输的时间长度小于或等于所述第一站点竞争获得的传输时间长度。
  22. 一种多站点的传输执行方法，包括：
    一个或多个站点接收接入点发送的携带有触发信息的无线帧，所述携带有触发信息的无线帧用于触发所述一个或多个站点进行上行传输，其中，所述一个或多个站点为第一站点之外的其他站点；
    所述一个或多个站点忽略被所述第一站点设置的网络分配矢量NAV并根据所述无线帧进行上行传输。
  23. 根据权利要求22所述的传输执行方法，其中，如果被所述第一站点 设置NAV的所述一个或多个站点获取到随机接入资源信息，且被允许在所述随机接入资源上进行接入，则所述一个或多个站点忽略被所述第一站点设置的NAV在所述随机接入资源上进行竞争接入。
  24. 一种多站点的传输指示装置，所述装置应用于第一站点，包括：
    发送模块，设置为在竞争到的第一带宽的信道上向接入点发送携带有指示信息的无线帧；其中，
    所述指示信息用于指示所述接入点触发所述第一站点，或，触发所述第一站点和其他一个或多个站点进行上行传输；
    所述指示信息包括以下至少之一：
    用于指示是否允许所述接入点触发所述第一站点和其他一个或多个站点进行上行传输的信息；
    所述第一站点后续进行上行传输需要占用的带宽资源大小信息；
    所述第一站点后续进行上行传输需要占用的带宽资源位置信息；
    所述第一站点的服务质量QoS参数信息。
  25. 根据权利要求24所述的传输指示装置，所述装置还包括：
    接收模块，设置为接收接入点发送的携带有触发信息的无线帧；其中，所述携带有触发信息的无线帧用于指示所述接入点分配给所述第一站点的信道；
    传输模块，设置为在所述接入点分配给所述第一站点的信道上进行上行传输。
  26. 根据权利要求24所述的传输指示装置，所述装置还包括：
    选择模块，设置为进行信道检测，并依据信道检测结果选择所述后续进行上行传输需要占用的带宽资源位置。
  27. 根据权利要求24、25或26所述的传输指示装置，其中，所述带宽资源大小信息用于指示所述第一带宽中的第一部分；和/或，所述带宽资源位置信息用于指示所述带宽为所述第一带宽中的第一部分的信道的位置。
  28. 根据权利要求24、25或26所述的传输指示装置，其特征在于，带 宽资源位置在频带上连续或不连续。
  29. 根据权利要求24、25或26所述的传输指示装置，其中，所述第一站点或所述第一站点和所述其他一个或多个站点进行上行传输的时间长度小于或等于所述第一站点竞争获得的传输时间长度。
  30. 根据权利要求24、25或26所述的传输指示装置，其中，所述QoS参数信息包括以下至少之一：
    所述第一站点的数据缓存状态信息；
    所述第一站点允许传输的数据包最大或最小长度信息；
    所述第一站点的最小保证比特速率；
    所述第一站点的最小调制与编码策略MCS速率要求。
  31. 一种多站点的传输触发装置，所述装置应用于接入点，包括：
    接收模块，设置为接收第一站点在竞争到的带宽为第一带宽的信道上发送的携带有指示信息的无线帧；
    触发模块，设置为根据所述指示信息触发所述第一站点进行上行传输，或者，触发所述第一站点和其他一个或多个站点进行上行传输。
  32. 根据权利要求31所述的传输触发装置，其中，所述指示信息包括以下至少之一：
    用于指示是否允许所述接入点触发所述第一站点和其他一个或多个站点进行上行传输的信息；
    所述第一站点后续进行上行传输需要占用的带宽资源大小信息；
    所述第一站点后续进行上行传输需要占用的带宽资源位置信息；
    所述第一站点的服务质量QoS参数信息。
  33. 根据权利要求32所述的传输触发装置，其中，所述QoS参数信息包括以下至少之一：
    所述第一站点的数据缓存状态信息；
    所述第一站点允许传输的数据包最大或最小长度信息；
    所述第一站点的最小保证比特速率；
    所述第一站点的最小调制与编码策略MCS速率要求。
  34. 根据权利要求31所述的传输触发装置，所述装置还包括：
    选择模块，设置为进行信道检测，并根据信道检测结果执行以下操作中的之一：
    根据信道检测结果选择所述第一站点进行上行传输的带宽大小和/或带宽资源位置；
    根据信道检测结果选择所述第一站点和所述其他一个或多个站点进行上行传输的带宽大小和/或带宽资源位置。
  35. 根据权利要求31所述的传输触发装置，其中，所述触发模块，具体设置为：根据所述指示信息通过发送携带有触发信息的无线帧来触发所述第一站点进行上行传输，或者，触发所述第一站点和其他一个或多个站点进行上行传输，其中，所述携带有触发信息的无线帧的发送带宽大于，等于或小于所述第一带宽。
  36. 根据权利要求32所述的传输触发装置，其中，所述指示信息中携带有是否允许所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输的信息；
    所述触发模块，设置为当所述信息表示为允许时，触发所述第一站点和所述其他一个或多个站点进行上行传输；当所述信息表示为不允许，则根据发送所述第一站点的参数信息集合为所述第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，所述参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
  37. 根据权利要求32所述的传输触发装置，其中，所述指示信息中携带有是否允许所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输的信息；
    所述触发模块，设置为当所述信息表示为不允许且所述指示信息中未携带所述第一站点的参数信息集合时，根据信道检测结果为所述第一站点分配上行传输的带宽大小和/或带宽资源位置，其中，所述参数信息集合包括以下至少之一：带宽资源大小，带宽资源位置，QoS参数信息。
  38. 根据权利要求37所述的传输触发装置，其中，所述触发模块，设置为根据对所述携带有指示信息的无线帧的信号检测结果为所述第一站点选择带宽大小和/或带宽资源位置。
  39. 根据权利要求32所述的传输触发装置，其中，所述指示信息中未携带有是否允许所述接入点触发所述第一站点和所述其他一个或多个站点进行上行传输的信息；
    所述触发模块，设置为触发所述第一站点和所述其他一个或多个站点进行上行传输。
  40. 根据权利要求32所述的传输触发装置，其中，所述指示信息中携带有所述第一站点后续进行上行传输需要占用的带宽资源大小信息；
    所述触发模块，设置为至少为所述第一站点分配与所述带宽资源大小信息对应的传输带宽。
  41. 根据权利要求32所述的传输触发装置，其中，所述指示信息中携带有所述第一站点后续进行上行传输需要占用的带宽资源位置信息；
    所述触发模块，设置为至少为所述第一站点分配与所述带宽资源位置信息对应的带宽资源。
  42. 根据权利要求33所述的传输触发装置，其中，所述QoS参数信息包括所述站点的数据缓存状态信息，所述站点允许传输的数据包最大或最小长度信息，所述站点的最小保证比特速率，所述站点的最小调制与编码策略MCS速率要求中的至少之一；
    所述触发模块，设置为根据所述QoS参数信息为所述第一站点分配上行传输的带宽大小和/或带宽资源位置。
  43. 根据权利要求31所述的传输触发装置，其特征在于，所述接入点分配给所述第一站点的信道在频带上连续或不连续。
  44. 根据权利要求31所述的传输触发装置，其中，所述第一站点或所述第一站点和所述其他一个或多个站点进行上行传输的时间长度小于或等于所述第一站点竞争获得的传输时间长度。
  45. 一种多站点的传输执行装置，所述装置应用于一个或多个站点，包 括：
    接收模块，设置为接收接入点发送的携带有触发信息的无线帧，所述携带有触发信息的无线帧用于触发所述一个或多个站点进行上行传输，其中，所述一个或多个站点为第一站点之外的其他站点；
    执行模块，设置为忽略被所述第一站点设置的网络分配矢量NAV并根据所述无线帧进行上行传输。
  46. 根据权利要求45所述的传输触发装置，其中，所述执行模块，具体设置为如果被所述第一站点设置NAV的所述一个或多个站点获取到随机接入资源信息，且被允许在所述随机接入资源上进行接入，则忽略被所述第一站点设置的NAV在所述随机接入资源上进行竞争接入。
  47. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权1至权7任一项的多站点的传输指示方法，和/或权8至权21任一项的多站点的传输触发方法，和/或权22至权23任一项的多站点的传输执行方法。
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