WO2019178850A1 - 无线通信方法、用户设备和网络设备 - Google Patents

无线通信方法、用户设备和网络设备 Download PDF

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Publication number
WO2019178850A1
WO2019178850A1 PCT/CN2018/080258 CN2018080258W WO2019178850A1 WO 2019178850 A1 WO2019178850 A1 WO 2019178850A1 CN 2018080258 W CN2018080258 W CN 2018080258W WO 2019178850 A1 WO2019178850 A1 WO 2019178850A1
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WIPO (PCT)
Prior art keywords
scheduling request
uplink scheduling
different
link data
user equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/080258
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English (en)
French (fr)
Chinese (zh)
Inventor
唐海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2018/080258 priority Critical patent/WO2019178850A1/zh
Priority to KR1020207027762A priority patent/KR20200135796A/ko
Priority to RU2020133425A priority patent/RU2776779C2/ru
Priority to PCT/CN2018/112775 priority patent/WO2019179105A1/zh
Priority to CN202011077599.0A priority patent/CN112188637B/zh
Priority to SG11202009312PA priority patent/SG11202009312PA/en
Priority to CN201880089958.9A priority patent/CN111742599A/zh
Priority to AU2018414910A priority patent/AU2018414910A1/en
Priority to JP2020550676A priority patent/JP2021518707A/ja
Priority to EP18910838.4A priority patent/EP3761743B1/en
Publication of WO2019178850A1 publication Critical patent/WO2019178850A1/zh
Priority to US17/018,219 priority patent/US11895642B2/en
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
    • H04W72/20—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
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • 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
    • H04W72/23—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
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present application relates to the field of wireless communications, and in particular, to a wireless communication method, a user equipment, and a network device.
  • LTE Long Term Evaluation
  • UE user equipment
  • SR uplink scheduling request
  • the vehicle networking system needs to have lower data transmission delay requirements, and the current uplink resource request process cannot meet the lower data transmission delay requirements of the vehicle networking system. Therefore, how to design an uplink resource scheduling scheme to reduce the data transmission delay is an urgent problem to be solved.
  • Embodiments of the present application provide a wireless communication method and apparatus capable of achieving low latency requirements for data transmission from the terminal to the terminal.
  • an embodiment of the present application discloses a wireless communication method, including:
  • the user equipment determines, according to the mapping relationship, an uplink scheduling request format corresponding to the side-link data to be sent, where the mapping relationship includes mapping between different side-link data and different uplink scheduling request formats;
  • the user equipment sends an uplink scheduling request to the network device according to the uplink scheduling request format.
  • the embodiment of the present application further discloses a wireless communication method, including:
  • the network device receives the uplink scheduling request sent by the user equipment, where the uplink scheduling request format of the uplink scheduling request is determined by the user equipment according to the required side-link data and the mapping relationship, where the mapping relationship includes different side lines.
  • an embodiment of the present application further discloses a user equipment, including:
  • a determining unit configured to determine, according to the mapping relationship, an uplink scheduling request format corresponding to the side-link data to be sent, where the mapping relationship includes mapping between different side-link data and different uplink scheduling request formats;
  • the uplink scheduling request sending unit is configured to send an uplink scheduling request to the network device according to the uplink scheduling request format.
  • an embodiment of the present application further discloses a network device, including:
  • the uplink scheduling request receiving unit is configured to receive an uplink scheduling request sent by the user equipment, where the uplink scheduling request format of the uplink scheduling request is determined by the user equipment according to the sideline data and the mapping relationship that are required to be sent, where the mapping is performed.
  • the relationship includes mapping between different side-link data and different uplink scheduling request formats.
  • an embodiment of the present application further discloses a user equipment, including:
  • a memory for storing computer executable instructions
  • a processor for implementing the steps of the wireless communication method described above when the computer executable instructions are executed.
  • an embodiment of the present application further discloses a network device, including:
  • a memory for storing computer executable instructions
  • a processor for implementing the steps of the wireless communication method described above when the computer executable instructions are executed.
  • an embodiment of the present application further discloses a computer storage medium having stored thereon computer executable instructions that, when executed by a processor, implement the steps of the wireless communication method.
  • the network device can provide resource authorization for the UE to perform data transmission in time, thereby achieving low delay requirement for data transmission from the terminal to the terminal. .
  • feature A+B+C is disclosed in one example
  • feature A+B+D+E is disclosed in another example
  • features C and D are equivalent technical means that perform the same function, technically only Once used, it is impossible to adopt at the same time, and feature E can be combined with feature C technically.
  • the scheme of A+B+C+D should not be regarded as already recorded because of the technical infeasibility
  • A+B+ The C+E program should be considered as already documented.
  • 1 is a schematic diagram of mode 3 in an LTE system
  • FIG. 2 is a schematic diagram of mode 4 in an LTE system
  • FIG. 3 is a schematic diagram of a resource request procedure in an LTE system
  • FIG. 4 is a schematic flowchart of a wireless communication method in a first embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a wireless communication method in a second embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a wireless communication method in which a user equipment interacts with a network device according to an embodiment of the present application
  • FIG. 7 is a schematic structural diagram of a user equipment in a third implementation manner of the present application.
  • FIG. 8 is a schematic structural diagram of a network device according to a fourth embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a communication device in a fifth embodiment of the present application.
  • UE User Equipment, user equipment
  • the user equipment mentioned may be various, such as a smart phone, a tablet computer, a desktop computer, a notebook computer, a customized wireless terminal, an Internet of Things node, a wireless communication module, and the like. It is only necessary to perform wireless communication with the network devices or with each other according to an agreed communication protocol.
  • LTE Long Term Evaluation, Long Term Evolution
  • D2D Device to Device, terminal to terminal;
  • V2X Vehicle to Everything, vehicles to other equipment
  • DL Downlink, uplink
  • SR Scheduling Request, uplink scheduling request or scheduling request
  • TTI Transmission Time Interval, transmission time interval
  • PUCCH Physical Uplink Control Channel, physical uplink control channel
  • PPPP ProSePer-Packet Priority, packet priority
  • the vehicle networking system is a kind of side-link transmission technology based on LTE-D2D. Different from the traditional LTE system, the communication data is received or transmitted through the base station.
  • the vehicle networking system adopts the terminal-to-terminal direct communication method, so it has more High spectral efficiency and lower transmission delay.
  • V2X The car networking technology (V2X) was standardized in 3GPP Rel-14, defining two transmission modes: Mode 3 and Mode 4.
  • Mode 3 As shown in FIG. 1 , the transmission resource of the in-vehicle terminal is allocated by the base station (eNB), and the in-vehicle terminal transmits data on the side line according to the resource allocated by the base station; the base station may allocate a single transmission to the terminal. Resources can also allocate semi-statically transmitted resources to terminals.
  • the in-vehicle terminal adopts a transmission mode of sensing + reservation.
  • the vehicle terminal obtains a set of available transmission resources by means of interception in the resource pool, and the terminal randomly selects one resource from the set for data transmission. Since the service in the car network system has periodic characteristics, the terminal usually adopts a semi-static transmission mode, that is, after the terminal selects one transmission resource, the terminal continuously uses the resource in multiple transmission cycles, thereby reducing resource reselection and The probability of a resource conflict.
  • the terminal carries the information for reserving the next transmission resource in the control information of the current transmission, so that other terminals can determine whether the resource is reserved and used by the user by detecting the control information of the user, thereby reducing resource conflicts. purpose.
  • eV2X requires lower latency requirements, such as requiring an end-to-end delay of 3-5ms, which requires the network to provide resource grants for UEs to send data in mode 3.
  • SR transmission uplink resource authorization
  • SL BSR transmission SL resource authorization
  • FIG. 4 is a schematic flowchart of the wireless communication method.
  • the wireless communication method includes:
  • step 401 the user equipment determines, according to the mapping relationship, an uplink scheduling request format corresponding to the side-link data to be sent, where the mapping relationship includes mapping between different side-link data and different uplink scheduling request formats. ;
  • the user equipment sends an uplink scheduling request to the network device according to the uplink scheduling request format.
  • the wireless communication method may further include: receiving, by the user equipment, a mapping relationship sent by the network device.
  • the wireless communication method may further include: the user equipment sends the user capability information of the user equipment to the network device.
  • the user capability information includes: whether the user equipment supports using a short TTI-based uplink scheduling request format, and/or the user equipment supports an uplink scheduling request format that uses a specific length TTI.
  • the user capability information of each user equipment includes: the uplink scheduling request format of the user equipment 1 supporting only 1 ms TTI, and the uplink scheduling using the short TTI (for example, shorter than 1 ms) is not supported.
  • Request format user equipment 2 supports uplink scheduling request format of 1 ms TTI and 0.5 ms TTI
  • user equipment 3 supports uplink scheduling request format of 0.25 ms TTI and 1 ms TTI, and the like.
  • the network device can perform mapping configuration according to user capability information of the user equipment.
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to the short TTI; if the user equipment does not support the short TTI
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to a long TTI (for example, 1 ms).
  • different side-link data may be a variety of side-link data, including but not limited to:
  • different side-link data includes side-link data having different PPPP values.
  • different side-link data includes side-link data having different PPPR values.
  • the different side-link data includes different side-link logical channels or side-link data of different side-link logical channel groups.
  • different side-link data includes side-link data with different service identifiers.
  • different side-link data includes side-link data having different target addresses.
  • uplink scheduling request formats may also be various uplink scheduling request formats, including but not limited to:
  • different uplink scheduling request formats include uplink scheduling request formats based on TTIs of different lengths.
  • different uplink scheduling request formats include an uplink scheduling request format based on different PUCCH formats.
  • a type of side-link data may be mapped to an uplink scheduling request format, or may be mapped to multiple uplink scheduling request formats.
  • a type of sidelink data is mapped to multiple uplink scheduling request formats, one of the uplink scheduling request formats may be used.
  • different data in the same logical channel group may be mapped to an uplink scheduling request format in which all data in the logical channel group can be used, for example, data 1 and data 2 are in the same logical channel group, and data 1 Mapping to the first uplink scheduling request format, where the data 2 is mapped to the first uplink scheduling request format and the second uplink scheduling request format, the first uplink scheduling request format is uniformly used for the data 1 and the data 2 in the logical channel group.
  • the uplink scheduling request in the implementation manner includes an uplink scheduling request (Scheduling Request).
  • the second embodiment of the present application relates to a wireless communication method.
  • FIG. 5 is a schematic flow chart of the wireless communication method.
  • the wireless communication method includes:
  • the network device receives an uplink scheduling request sent by the user equipment, where the uplink scheduling request format of the uplink scheduling request is determined by the user equipment according to the required side-link data and the mapping relationship, where the mapping relationship includes different A mapping relationship between sideline data and different uplink scheduling request formats.
  • the wireless communication method may further include:
  • the network device configures the mapping relationship
  • the network device sends the mapping relationship to the user equipment.
  • the wireless communication method may further include:
  • the user capability information includes: whether the user equipment supports using a short TTI-based uplink scheduling request format, and/or the user equipment supports an uplink scheduling request format that uses a specific length TTI.
  • the user capability information of each user equipment includes: the uplink scheduling request format of the user equipment 1 supporting only 1 ms TTI, and the uplink scheduling using the short TTI (for example, shorter than 1 ms) is not supported.
  • Request format user equipment 2 supports uplink scheduling request format of 1 ms TTI and 0.5 ms TTI
  • user equipment 3 supports uplink scheduling request format of 0.25 ms TTI and 1 ms TTI, and the like.
  • the foregoing network device configures the mapping relationship, and the network device may perform mapping configuration according to user capability information of the user equipment.
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to the short TTI; if the user equipment does not support the short TTI
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to a long TTI (for example, 1 ms).
  • different side-link data may be a variety of side-link data, including but not limited to:
  • different side-link data includes side-link data having different PPPP values.
  • different side-link data includes side-link data having different PPPR values.
  • the different side-link data includes different side-link logical channels or side-link data of different side-link logical channel groups.
  • different side-link data includes side-link data with different service identifiers.
  • different side-link data includes side-link data having different target addresses.
  • uplink scheduling request formats may also be various uplink scheduling request formats, including but not limited to:
  • different uplink scheduling request formats include uplink scheduling request formats based on TTIs of different lengths.
  • different uplink scheduling request formats include an uplink scheduling request format based on different PUCCH formats.
  • a type of side-link data may be mapped to an uplink scheduling request format, or may be mapped to multiple uplink scheduling request formats.
  • a type of sidelink data is mapped to multiple uplink scheduling request formats, one of the uplink scheduling request formats can be used.
  • different data in the same logical channel group may be mapped to an uplink scheduling request format in which all data in the logical channel group can be used, for example, data 1 and data 2 are in the same logical channel group, and data 1 Mapping to the first uplink scheduling request format, where the data 2 is mapped to the first uplink scheduling request format and the second uplink scheduling request format, the first uplink scheduling request format is uniformly used for the data 1 and the data 2 in the logical channel group.
  • the uplink scheduling request in the implementation manner includes an uplink scheduling request (Scheduling Request).
  • FIG. 6 is a schematic flowchart of a wireless communication method in which a user equipment interacts with a network device in this embodiment.
  • the wireless communication method for the user equipment to interact with the network device includes:
  • step 601 the user equipment sends user capability information of the user equipment to the network device.
  • the user capability information includes: whether the user equipment supports using a short TTI-based uplink scheduling request (Scheduling Request) format, and/or the user equipment supports an SR format that uses a specific length TTI.
  • Scheduling Request short TTI-based uplink scheduling request
  • the user capability information of each user equipment includes: the uplink scheduling request format of the user equipment 1 supporting only 1 ms TTI, and the uplink scheduling using the short TTI (for example, shorter than 1 ms) is not supported.
  • Request format user equipment 2 supports uplink scheduling request format of 1 ms TTI and 0.5 ms TTI
  • user equipment 3 supports uplink scheduling request format of 0.25 ms TTI and 1 ms TTI, and the like.
  • the network device receives the user capability information sent by the user equipment, and configures a mapping relationship between the SL data and the SR format according to the user capability information, and sends the mapping relationship to the user equipment.
  • the SR format in the mapping relationship is an SR format corresponding to a short TTI; if the user equipment does not support a short TTI, the mapping relationship is
  • the SR format in is an SR format corresponding to a long TTI (for example, 1 ms).
  • the network device allocates different SR resources to the user equipment, where at least two SR resources are used for different TTI lengths, and the network device configures a mapping relationship between different SL data and the SR format, and the mapping relationship is different.
  • the SR format corresponds to the different SR resources described above.
  • a SL data can be mapped to an SR format
  • a SL data can be mapped to multiple SR formats.
  • the different SL data above can be:
  • Iii SL data of different SL logical channels (groups);
  • the different SR formats mentioned above can be:
  • the user equipment receives the mapping relationship sent by the network device, determines the SR format according to the mapping relationship, and sends the SR to the network device.
  • Target SL data triggers SR transmission
  • the SR format is used for resource request
  • the SR format is not used for resource request.
  • the network device receives the SR sent by the user equipment.
  • the network device may determine, according to the SR format, whether the SL data that triggers the SR transmission requires a low delay, so as to perform matching resource authorization.
  • the network device determines the user equipment that applies for the uplink resource, and determines, according to the SR format of the received SR, the type of the side-link data that triggers the uplink resource application, thereby allocating the corresponding The uplink resource is used, and the uplink resource allocation is notified to the user equipment by sending the DCI (downlink control information).
  • DCI downlink control information
  • the third embodiment of the present application relates to a user equipment.
  • FIG. 7 is a schematic structural diagram of the user equipment. Specifically, as shown in FIG. 7, the user equipment includes:
  • a determining unit configured to determine, according to the mapping relationship, an uplink scheduling request format corresponding to the sideline data to be sent, where the mapping relationship includes mapping between different sideline data and different uplink scheduling request formats relationship.
  • the uplink scheduling request sending unit is configured to send an uplink scheduling request to the network device according to the uplink scheduling request format determined by the determining unit.
  • the user equipment may further include:
  • the mapping relationship receiving unit is configured to receive a mapping relationship sent by the network device.
  • the user equipment may further include:
  • the user capability information sending unit is configured to send user capability information of the user equipment to the network device.
  • the user capability information includes: whether the user equipment supports using a short TTI-based uplink scheduling request format, and/or the user equipment supports an uplink scheduling request format that uses a specific length TTI.
  • the user capability information of each user equipment includes: the uplink scheduling request format of the user equipment 1 supporting only 1 ms TTI, and the uplink scheduling using the short TTI (for example, shorter than 1 ms) is not supported.
  • Request format user equipment 2 supports uplink scheduling request format of 1 ms TTI and 0.5 ms TTI
  • user equipment 3 supports uplink scheduling request format of 0.25 ms TTI and 1 ms TTI, and the like.
  • the network device can perform mapping configuration according to user capability information of the user equipment.
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to the short TTI; if the user equipment does not support the short TTI
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to a long TTI (for example, 1 ms).
  • side-link data may be a variety of side-link data, including but not limited to:
  • different side-link data includes side-link data having different PPPP values.
  • different side-link data includes side-link data having different PPPR values.
  • the different side-link data includes different side-link logical channels or side-link data of different side-link logical channel groups.
  • different side-link data includes side-link data with different service identifiers.
  • different side-link data includes side-link data having different target addresses.
  • uplink scheduling request formats may also be various uplink scheduling request formats, including but not limited to:
  • different uplink scheduling request formats include uplink scheduling request formats based on TTIs of different lengths.
  • different uplink scheduling request formats include an uplink scheduling request format based on different PUCCH formats.
  • a type of side-link data may be mapped to an uplink scheduling request format, or may be mapped to multiple uplink scheduling request formats.
  • a type of sidelink data is mapped to multiple uplink scheduling request formats, one of the uplink scheduling request formats may be used.
  • different data in the same logical channel group may be mapped to an uplink scheduling request format in which all data in the logical channel group can be used, for example, data 1 and data 2 are in the same logical channel group, and data 1 Mapping to the first uplink scheduling request format, where the data 2 is mapped to the first uplink scheduling request format and the second uplink scheduling request format, the first uplink scheduling request format is uniformly used for the data 1 and the data 2 in the logical channel group.
  • the uplink scheduling request in the implementation manner includes an uplink scheduling request (Scheduling Request).
  • the first embodiment is a method embodiment corresponding to the present embodiment, and the present embodiment can be implemented in cooperation with the first embodiment.
  • the related technical details mentioned in the first embodiment are still effective in the present embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the first embodiment.
  • the fourth embodiment of the present application relates to a network device.
  • FIG. 8 is a schematic structural diagram of the network device. Specifically, as shown in FIG. 8, the network device includes:
  • the uplink scheduling request receiving unit is configured to receive an uplink scheduling request sent by the user equipment, where the uplink scheduling request format of the uplink scheduling request is determined by the user equipment according to the required side-link data and a mapping relationship, where the mapping relationship includes different The mapping relationship between the sideline data and the different uplink scheduling request formats.
  • the network device may further include:
  • a configuration unit configured to configure the mapping relationship
  • the mapping relationship sending unit is configured to send the mapping relationship configured by the configuration unit to the user equipment, where the user equipment determines, according to the sideline data to be sent, the uplink scheduling request format for performing the resource request.
  • the network device may further include:
  • a user capability information receiving unit configured to receive user capability information of the user equipment sent by the user equipment
  • the user capability information includes: whether the user equipment supports using a short TTI-based uplink scheduling request format, and/or the user equipment supports an uplink scheduling request format that uses a specific length TTI.
  • the user capability information of each user equipment includes: the uplink scheduling request format of the user equipment 1 supporting only 1 ms TTI, and the uplink scheduling using the short TTI (for example, shorter than 1 ms) is not supported.
  • Request format user equipment 2 supports uplink scheduling request format of 1 ms TTI and 0.5 ms TTI
  • user equipment 3 supports uplink scheduling request format of 0.25 ms TTI and 1 ms TTI, and the like.
  • the foregoing configuration unit is further configured to configure the mapping relationship according to the user capability information received by the user capability information receiving unit.
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to the short TTI; if the user equipment does not support the short TTI
  • the uplink scheduling request format in the mapping relationship is an uplink scheduling request format corresponding to a long TTI (for example, 1 ms).
  • side-link data may be a variety of side-link data, including but not limited to:
  • different side-link data includes side-link data having different PPPP values.
  • different side-link data includes side-link data having different PPPR values.
  • the different side-link data includes different side-link logical channels or side-link data of different side-link logical channel groups.
  • different side-link data includes side-link data with different service identifiers.
  • different side-link data includes side-link data having different target addresses.
  • uplink scheduling request formats may also be various uplink scheduling request formats, including but not limited to:
  • different uplink scheduling request formats include uplink scheduling request formats based on TTIs of different lengths.
  • different uplink scheduling request formats include an uplink scheduling request format based on different PUCCH formats.
  • a type of side-link data may be mapped to an uplink scheduling request format, or may be mapped to multiple uplink scheduling request formats.
  • a type of sidelink data is mapped to multiple uplink scheduling request formats, one of the uplink scheduling request formats may be used.
  • different data in the same logical channel group may be mapped to an uplink scheduling request format in which all data in the logical channel group can be used, for example, data 1 and data 2 are in the same logical channel group, and data 1 Mapping to the first uplink scheduling request format, where the data 2 is mapped to the first uplink scheduling request format and the second uplink scheduling request format, the first uplink scheduling request format is uniformly used for the data 1 and the data 2 in the logical channel group.
  • the uplink scheduling request in the implementation manner includes an uplink scheduling request (Scheduling Request).
  • the second embodiment is a method embodiment corresponding to the present embodiment, and the present embodiment can be implemented in cooperation with the second embodiment.
  • the related technical details mentioned in the second embodiment are still effective in the present embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the second embodiment.
  • a fifth embodiment of the present application relates to a communication device.
  • FIG. 9 is a schematic structural diagram of the network device.
  • the communication device includes a processor and a memory.
  • the memory can store computer executable instructions
  • the processor can execute computer executable instructions stored in the memory.
  • the processor can execute the corresponding operations of the user equipment in the embodiment of the wireless communication method by using the computer-executable instructions stored in the memory.
  • the processor can execute the corresponding operations of the user equipment in the embodiment of the wireless communication method by using the computer-executable instructions stored in the memory.
  • the processor can execute the corresponding operations of the network device in the embodiment of the wireless communication method by using the computer-executable instructions stored in the memory.
  • the processor can execute the corresponding operations of the network device in the embodiment of the wireless communication method by using the computer-executable instructions stored in the memory.
  • the implementation functions of the units shown in the foregoing embodiments of the user equipment and the network equipment can be understood by referring to the related description of the foregoing wireless communication method.
  • the functions of the units shown in the above embodiments of the user equipment and the network equipment may be implemented by a program (executable instructions) running on the processor, or may be implemented by a specific logic circuit.
  • the user equipment when the user equipment is implemented in the form of a software function module and sold or used as a separate product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • embodiments of the invention are not limited to any specific combination of hardware and software.
  • embodiments of the present invention also provide a computer storage medium having stored therein computer executable instructions that, when executed by a processor, implement various method embodiments of the present invention.
  • an action is performed according to an element, it means the meaning of performing the action at least according to the element, and includes two cases: the action is performed only according to the element, and according to the element and Other elements perform this behavior.
  • the expressions of plural, multiple, multiple, etc. include two, two, two, two or more, two or more, two or more.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/CN2018/080258 2018-03-23 2018-03-23 无线通信方法、用户设备和网络设备 Ceased WO2019178850A1 (zh)

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PCT/CN2018/080258 WO2019178850A1 (zh) 2018-03-23 2018-03-23 无线通信方法、用户设备和网络设备
SG11202009312PA SG11202009312PA (en) 2018-03-23 2018-10-30 Radio communication method, user equipment, and network device
RU2020133425A RU2776779C2 (ru) 2018-03-23 2018-10-30 Способ осуществления радиосвязи, пользовательское оборудование и сетевое устройство
PCT/CN2018/112775 WO2019179105A1 (zh) 2018-03-23 2018-10-30 无线通信方法、用户设备和网络设备
CN202011077599.0A CN112188637B (zh) 2018-03-23 2018-10-30 无线通信方法、用户设备和网络设备
KR1020207027762A KR20200135796A (ko) 2018-03-23 2018-10-30 무선 통신 방법, 사용자 기기 및 네트워크 기기
CN201880089958.9A CN111742599A (zh) 2018-03-23 2018-10-30 无线通信方法、用户设备和网络设备
AU2018414910A AU2018414910A1 (en) 2018-03-23 2018-10-30 Radio communication method, user equipment, and network device
JP2020550676A JP2021518707A (ja) 2018-03-23 2018-10-30 無線通信方法、ユーザ装置及びネットワーク装置
EP18910838.4A EP3761743B1 (en) 2018-03-23 2018-10-30 Radio communication method, user equipment, and network device
US17/018,219 US11895642B2 (en) 2018-03-23 2020-09-11 Wireless communication method for sidelink resource scheduling, user equipment, and network device

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RU2020133425A (ru) 2022-04-25
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