WO2019062834A1 - 信息的传输方法和装置 - Google Patents
信息的传输方法和装置 Download PDFInfo
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- WO2019062834A1 WO2019062834A1 PCT/CN2018/108259 CN2018108259W WO2019062834A1 WO 2019062834 A1 WO2019062834 A1 WO 2019062834A1 CN 2018108259 W CN2018108259 W CN 2018108259W WO 2019062834 A1 WO2019062834 A1 WO 2019062834A1
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- channel access
- information
- terminal device
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
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- H—ELECTRICITY
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- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
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- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
Definitions
- the present application relates to communication technologies, and in particular, to a method and an apparatus for transmitting information.
- the existing mobile communication system mainly adopts the request-authorization-based uplink data transmission method, but with the increasing application scenarios, terminal types and application types, the number of terminal devices will be in the evolution process of the future mobile communication system. Explosive growth, users also have higher requirements for network delay in specific application scenarios, and make full use of unlicensed spectrum resources. In this case, the traditional request-authorized uplink data transmission method will no longer be applicable due to higher delay and signaling overhead, and is free of scheduled transmission applications.
- the terminal device In the unscheduled transmission, when the terminal device has a data transmission requirement, the terminal device does not need to request the scheduling resource from the base station, and can directly use the pre-allocated resource to send the uplink data, and therefore has a large network delay and signaling overhead.
- the terminal device will control information such as the Buffer Status Report (BSR) and the Power Headroom Report (PHR) at the media access control (MAC) layer.
- BSR Buffer Status Report
- PHR Power Headroom Report
- the service data is carried together in a MAC layer data unit (MAC PDU) and sent to the network device.
- MAC PDU MAC layer data unit
- the non-scheduled resource is used for the new transmission and the retransmission of the data.
- the terminal device obtains the first The BSR and/or PHR of the time unit carries the BSR and/or PHR of the first time unit and the uplink service data in the same MAC PDU.
- the network device may be unable to determine whether the terminal device sends the MAC PDU, if the terminal device allocates the unscheduled resource corresponding to the second time unit in the MAC PDU.
- the medium is retransmitted to the network device, and the network device cannot determine whether the BSR and the PHR carried in the MAC PDU are the first time unit or the second time unit.
- the above scenario may cause the time units corresponding to the BSR and PHR determined by the terminal device and the network device to be inconsistent, thereby affecting subsequent scheduling of the network device.
- the present application provides a method and an apparatus for transmitting information, such that the time units corresponding to the BSR and the PHR determined by the terminal device and the network device are consistent.
- a first aspect of the present application provides a method for transmitting information, including: a terminal device transmitting first information to a network device, and a time indication of the first information, where the first information includes a BSR and/or a PHR, where the time is The indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the method further includes:
- the terminal device detects whether the channel is idle according to the channel detection parameter corresponding to the channel access process.
- the terminal device determines, according to the first channel access priority level and the second channel access priority level, a used channel access process, including:
- the terminal device determines that the used channel access process is the first channel access process, when the first channel access priority When the level is greater than or equal to the second channel access priority level, the terminal device determines that the used channel access procedure is a second channel access procedure, where the first channel access procedure is a backoff-based channel.
- the second channel access process is a channel detecting process based on a fixed duration; or
- the terminal device determines that the used channel access process is the first channel access process, when the first When the channel access priority is less than the second channel access priority, the terminal device determines that the used channel access process is the second channel access process, where the first channel access process is based on the fallback Channel detection process, the second channel access process is a channel detection process based on a fixed duration.
- the method further includes:
- the first data is generated, where the first data includes the second channel access priority level Data to be transmitted and the first information.
- a second aspect of the present application provides a method for transmitting information, including: receiving, by a network device, first information sent by a terminal device, and a time indication of the first information, where the first information includes a BSR and/or a PHR, where the time is The indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the method further includes: the network device sending a second channel access priority level to the terminal device.
- the third aspect of the present application provides a terminal device, including: a sending module, configured to send first information to the network device, where the first information includes a BSR and/or a PHR, and the sending module is further used to And a time indication that the network device sends the first information, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- a sending module configured to send first information to the network device, where the first information includes a BSR and/or a PHR
- the sending module is further used to And a time indication that the network device sends the first information, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the terminal device further includes:
- a processing module configured to determine, according to data of the uplink buffer, a first channel access priority level
- a receiving module configured to receive a second channel access priority level sent by the network device
- the processing module is further configured to determine a used channel access process according to the first channel access priority level and the second channel access priority level;
- the processing module is further configured to detect whether the channel is idle according to a channel detection parameter corresponding to the channel access process.
- processing module is specifically configured to:
- Determining that the used channel access procedure is a first channel access procedure when the first channel access priority level is less than the second channel access priority level, when the first channel access priority level is greater than or equal to Determining, by using the second channel access priority level, that the used channel access process is a second channel access process, where the first channel access process is a back-based channel detection process, and the second channel is The access process is a channel detection process based on a fixed duration; or
- the used channel access procedure is the first channel access procedure when the first channel access priority level is greater than or equal to the second channel access priority level, when the first channel access priority When the level is smaller than the second channel access priority level, determining that the used channel access process is a second channel access process, where the first channel access process is a back-based channel detection process, where the The two-channel access procedure is a channel detection process based on a fixed duration.
- the terminal device further includes:
- a receiving module configured to receive a second channel access priority level sent by the network device
- a processing module configured to determine, according to data in the uplink buffer, a data amount of data to be transmitted corresponding to the second channel access priority level
- the processing module is further configured to: when the data quantity of the data to be transmitted corresponding to the second channel access priority level is greater than or equal to a preset first threshold, generate the first data, where the first data includes the The second channel accesses the data to be transmitted corresponding to the priority level and the first information.
- a fourth aspect of the present application provides a network device, including:
- a receiving module configured to receive first information sent by the terminal device, where the first information includes a BSR and/or a PHR;
- the receiving module is further configured to receive a time indication of the first information sent by the terminal device, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the network device further includes: a sending module, configured to send a second channel access priority level to the terminal device.
- the time indication and the first information are sent/received by using the first resource.
- the first information is sent/received by using a first resource
- the time indication is sent/received by the second resource
- the first resource is The two resources do not overlap in the time domain and/or the frequency domain.
- the time indication includes at least one of the following:
- the number of times of transmission of the first information is the number of times the terminal device sends the first information
- An identifier of the initial transmission time unit of the first information where the initial transmission time unit is a time unit that the terminal device sends the first information for the first time;
- An identifier of the generation time unit of the first information where the generation time unit is a time unit for generating the first information by the terminal device.
- a fifth aspect of the present application provides a terminal device, including: a processor, a memory, and a transceiver, wherein the memory is used to store an instruction, the transceiver is configured to communicate with another device, and the processor is configured to perform the storage in the memory.
- the instructions are such that the terminal device performs the operations of the method as described in the first aspect of the application.
- a sixth aspect of the present application provides a network device, including: a processor, a memory, and a transceiver, wherein the memory is configured to store an instruction, the transceiver is configured to communicate with another device, and the processor is configured to perform the storage in the memory An instruction to cause the network device to perform the operations of the method as described in the second aspect of the present application.
- a seventh aspect of the present application provides a chip system, which is applied to a terminal device, including: at least one processor, where the at least one processor is configured to execute a stored instruction, so that the terminal device performs the first aspect of the present application. The operation of the method described.
- An eighth aspect of the present application provides a chip system, which is applied to a network device, including: at least one processor, where the at least one processor is configured to execute a stored instruction, so that the network device performs the second aspect of the present application. The operation of the method described.
- a ninth aspect of the present application provides a computer program product for use in a terminal device, the computer program product comprising instructions, when the instruction is executed by a computing device, causing the terminal device to perform the method as described in the first aspect of the present application The operation of the method.
- a tenth aspect of the present application provides a computer program product for use in a network device, the computer program product comprising instructions, when the instruction is executed by a computing device, causing the network device to perform the second aspect of the present application The operation of the method.
- An eleventh aspect of the present application provides a computer readable storage medium, which is applied in a terminal device, where the computer readable storage medium stores instructions, when the instructions are executed by a computing device, causing the terminal device to execute The operation of the method described in the first aspect is applied.
- a twelfth aspect of the present application provides a computer readable storage medium for use in a network device, the computer readable storage medium storing instructions, when the instructions are executed by a computing device, causing the network device to perform The operation of the method of the second aspect is applied.
- the terminal device sends a first information and a time indication of the first information to the network device, where the first information includes a BSR and/or a PHR, the time indication is used to indicate the first information. Generate time and/or initial time.
- the network device is configured to determine the time unit corresponding to the first information according to the time indication of the first information, and ensure that the time unit corresponding to the BSR and/or the PHR determined by the network device and the terminal device is consistent, because the network The time unit corresponding to the BSR and/or the PHR determined by the device and the terminal device is the same, and the network device can schedule the terminal according to the BSR and/or the PHR, and allocate the uplink resource reasonably.
- FIG. 1 is a schematic diagram of a network architecture to which an embodiment of the present application is applied;
- FIG. 3 is a flowchart of a channel access method according to Embodiment 2 of the present application.
- FIG. 5 is a flowchart of a method for transmitting information according to Embodiment 4 of the present application.
- FIG. 6 is a schematic structural diagram of a terminal device according to Embodiment 5 of the present application.
- FIG. 7 is a schematic structural diagram of a network device according to Embodiment 6 of the present application.
- FIG. 8 is a schematic structural diagram of a terminal device according to Embodiment 7 of the present application.
- FIG. 9 is a schematic structural diagram of a network device according to Embodiment 8 of the present application.
- the present application provides a method for transmitting information.
- the method of the present application can be applied to an unscheduled transmission, and the unscheduled transmission can be applied in an authorized frequency band or in an unlicensed frequency band.
- the licensed frequency band can be shared by multiple terminal devices of the same cell or occupied by one terminal device.
- the unlicensed frequency band can be used by multiple systems (such as WIreless-Fidelity (WIFI) system, licensed spectrum assisted access (License Assisted). Access, LAA) system) sharing.
- WIFI WIreless-Fidelity
- LAA licensed spectrum assisted access
- the terminal device uses the channel through the channel access process, and the channel access process can be divided into the following two modes: the first mode is idle channel detection based on backoff; the second mode is based on fixed time duration. Idle channel detection.
- the idle channel detection based on the backoff means that the terminal device randomly selects a random value A from the contention window, and must detect at least A idle slots, and considers that the channel access process is completed, and the channel can be used for data. transmission.
- the idle channel detection based on the fixed duration means that if the terminal device detects that the channel is idle within a fixed period of time, then the channel access process is considered complete, and the channel can be used for data transmission.
- the terminal device detects whether the channel is idle, specifically: determining whether the received signal energy on the channel is lower than a certain threshold. If the received signal energy on the channel is lower than the threshold, determining that the channel is idle, if the received signal energy on the channel is higher than The threshold determines that the channel is busy.
- the protocol specifies the maximum channel occupation time, and the time that the terminal device sends data cannot exceed the maximum channel occupation time.
- FIG. 1 is a schematic diagram of a network architecture applicable to an embodiment of the present application.
- the network architecture includes a base station and at least one terminal device.
- the base station mentioned in this application may be a global mobile device.
- the Global System of Mobile communication (GSM) system or the Base Transceiver Station (BTS) of the Code Division Multiple Access (CDMA) system may also be Wideband Code Division Multiple Access (Wideband Code Division Multiple Access,
- a base station (NodeB, NB) in a WCDMA system may also be an evolved NodeB (eNB), an access point (AP), or a relay station in a Long Term Evolution (LTE) system.
- GSM Global System of Mobile communication
- BTS Base Transceiver Station
- a base station (NodeB, NB) in a WCDMA system may also be an evolved NodeB (eNB), an access point (AP), or a relay station in a Long Term Evolution (LTE) system.
- eNB evolved NodeB
- AP
- the 5G system may be a base station (such as a gNB or a transmission point (TRP)) in a fifth generation mobile communication (5G) system, or may be a cloud radio access network (CRAN) scenario.
- Wireless controllers as well as wearable devices or in-vehicle devices. This is not limited here.
- the 5G system is also called a new wireless communication system, a new access technology (New Radio) or a next generation mobile communication system.
- the terminal equipment mentioned in this application may be a User Equipment (UE), an access terminal, a UE unit, a UE station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a UE terminal, a terminal, and a wireless device.
- Communication device, UE proxy or UE device, etc. It can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and a wireless communication function.
- PLMN Public Land Mobile Network
- the method for transmitting information provided by the present application is to solve the problem that the time units corresponding to the BSR and the PHR determined by the terminal device and the network device are inconsistent in the prior art.
- FIG. 2 is a flowchart of a method for transmitting information according to Embodiment 1 of the present application. As shown in FIG. 2, the method provided in this embodiment includes the following steps:
- Step S101 The terminal device sends first information to the network device, where the first information includes a BSR and/or a PHR.
- the terminal device may send the first information to the network device by using the unscheduled first resource, where the first resource may be previously indicated by the network device to the terminal device, where the network device may be a base station.
- the terminal device receives the first indication and the second indication sent by the network device, where the first indication is used to indicate a time domain resource location of the first resource, and the second indication is used to indicate a frequency domain resource location of the first resource.
- the first resource is an unscheduled resource and can be used to send new or retransmitted data.
- the first indication may include: a period of the first resource and a start time unit of the first resource, where the time unit may be a subframe, a slot, and a transmission time interval. , TTI), symbol (symbol).
- the first indication may further include at least one HARQ process ID.
- the first indication may be carried by a Radio Resource Control (RRC) message, where the RRC message is, for example, an RRC connection reconfiguration message.
- RRC Radio Resource Control
- the Hybrid Automatic Repeat ReQuest (HARQ) process identification (ID) included in the first indication is: an ID of the HARQ process 1 and an ID of the HARQ process 2, and the period of the first resource is 2 In milliseconds (ms), the start time unit of the first resource is subframe 0, then even subframes such as subframe 0, subframe 2, and subframe 4 are time domains of the scheduling-free resources of HARQ process 1 and HARQ process 2 Resources.
- ms milliseconds
- the second indication includes: a frequency band or a subcarrier occupied by the first resource, and the like.
- the second indication is carried by physical layer signaling, for example, Downlink Control Information (DCI).
- DCI Downlink Control Information
- the second indication further includes: a Modulation and Coding Scheme (MCS).
- MCS Modulation and Coding Scheme
- the terminal device After receiving the first indication and the second indication, the terminal device determines the time-frequency resource of the first resource according to the first indication and the second indication, where the first resource may be a physical uplink share channel (PUSCH) resource.
- PUSCH physical uplink share channel
- the BSR is configured to notify the network device of the data volume of the buffer of the terminal device, so that the network device obtains how much data of the terminal device is still to be sent.
- the BSR may be reported by a logical channel group, where a logical channel group includes at least one logical channel, and the BSR in the first information includes a sum of data amounts of buffers of logical channels of at least one logical channel group.
- the BSR can also be reported in a logical channel manner, and the BSR in the first information includes a sum of data amounts of buffers of at least one logical channel.
- the PHR is configured to notify the network device of a power headroom (PH) of the terminal device, where the PHR may include the PH of the terminal device in the at least one activated serving cell.
- the serving cell of the terminal device refers to a cell used to provide radio resources for the connected terminal device, and the activated serving cell is a serving cell available for data transmission. If the terminal device is not configured with carrier aggregation (CA) or dual connectivity (DC), the terminal device has only one serving cell; if the terminal device is configured with CA and/or DC, the serving cell of the terminal device is at least one The cell, the at least one serving cell includes a primary cell (PCell) and all secondary cells (SCells).
- PCell primary cell
- SCells all secondary cells
- the primary cell is a primary frequency
- the terminal device may perform an initial connection establishment procedure or initiate a connection re-establishment process, or a cell indicated as a primary cell in the handover process.
- the secondary cell is a cell working at the secondary frequency, providing additional wireless resources for the terminal device.
- the PH is the difference between the maximum transmission power allowed by the terminal device and the estimated value of the uplink data channel transmission power.
- the uplink data channel is the PUSCH as an example.
- the physical meaning of the PH indicates the transmission power used by the terminal device in addition to the current PUSCH transmission. In addition, how much transmission power is available. Since the calculation of the PH requires the transmission power of the PUSCH, the power headroom can be calculated only in the transmission time unit of the PUSCH.
- the meaning of the time unit is a time domain resource whose granularity is the time unit in which the PUSCH is scheduled, where the time unit may be a subframe, a TTI, a time slot, or a symbol.
- the PH may also be: an maximum transmission power allowed by the terminal device - an estimated value of the transmission power of the uplink data channel - an estimated value of the transmission power of the uplink control channel.
- the uplink data channel may include an uplink data channel of at least one of the primary cell, the primary secondary cell, and the PUCCH SCell, where the PUCCH SCell is a SCel configured with a PUCCH, and the uplink data channel may include an uplink shared channel (UpLink-Share Channel) , UL-SCH).
- UpLink-Share Channel UpLink-Share Channel
- the PHR and the BSR can be sent through the control unit of the MAC layer, which is also called a control element (CE), so the control unit of the PHR-related MAC layer is also called the PHR control unit, and the BSR-related MAC.
- CE control element
- the control unit of the layer is also referred to as the BSR control unit.
- Step S102 The terminal device sends a time indication of the first information to the network device, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the time indication and the first information are both sent by using the first resource.
- the first information is sent by using the first resource, where the time indication is sent by using the second resource, where the first resource does not overlap with the second resource in the time domain and/or the frequency domain, that is, the time The indication and the first information are sent through different resources.
- the second resource is also a network device pre-instructed to the terminal device, and the second resource may be a PUSCH resource or a physical uplink control channel (PUCCH) resource.
- the first resource may also be a PUSCH resource.
- the terminal device may determine, according to a preset rule, which symbols send the first information, and which symbols are sent. It is indicated that the preset rule may specify that part of the symbols in the first resource are used to send a time indication, and then the remaining symbols are used to send the first information.
- the network device presets the time indication from the corresponding symbol of the first resource.
- the first resource may be a resource of the primary cell or a resource of the secondary cell.
- the time indication of the first information includes at least one of the following: the number of transmissions of the first information, the identification of the initial transmission time unit of the first information, or the identification of the generation time unit of the first information.
- the number of transmissions of the first information is the number of times the first information is sent by the terminal device
- the initial transmission time unit is a time unit for transmitting the first information by the terminal device for the first time
- the generation time unit is a time unit for generating the first information by the terminal device.
- the initial transmission time unit and the generation time unit may be: a subframe, a time slot, a TTI, a symbol, etc., correspondingly, the identifiers of the initial transmission time unit and the generation time unit may be: a subframe number, a slot number, and a TTI number.
- the channel access process needs to be performed before the first information is sent.
- the terminal device considers that the channel access process is completed before the subframe 0 is completed, regardless of whether the channel access process is completed.
- the terminal device When the first information is transmitted to the network device, that is, the first information is transmitted for the first time. If the first information fails to be sent due to poor network quality or other reasons, the terminal device performs the channel access process again. If the channel access process is not completed before the subframe 10, even if the terminal device does not perform the first retransmission of the first information, the terminal device considers that the terminal device performs a transmission, if the channel is connected before the subframe 20 After the process is completed, the terminal device performs a second retransmission of the first information.
- the first information may be sent immediately, or the first information may be sent after a period of time. Therefore, the generation time unit of the first information may be the same as or different from the initial transmission time unit of the first information.
- the time indication may carry any one of the identifier of the generation time unit of the first information and the identifier of the initial transmission time unit.
- the time indication may carry any one of the identifier of the generation time unit of the first information and the identifier of the initial transmission time unit, or carry the first information at the same time.
- the identifier of the time unit and the identifier of the initial time unit are generated. After the network device receives the first information, and the identifier of the generation time unit of the first information and/or the identifier of the initial transmission time unit, according to the identifier of the generation time unit of the first information and/or the identifier of the initial transmission time unit, The time unit corresponding to the first information is determined, so that the time unit corresponding to the BSR and/or the PHR determined by the network device and the terminal device can be ensured to be consistent.
- the terminal device needs to perform a channel access process before sending the first information, and if the channel access process is not completed, the terminal device cannot send the first information.
- the terminal device does not complete the resource access procedure for the first data transmission and the channel access procedure for the second data transmission, and the channel access procedure for the third data transmission is not completed, and the terminal device successfully sends the first information
- the network device is capable of receiving and correctly decoding the first information.
- the terminal device sends the first information three times in total, the first two times fail to send, the third time is successfully sent, and the network device receives the first information sent by the third time and the time indication of the first information, the first information
- the time indication includes the number of transmissions of the first information: the third time, the number of transmissions of the first information is the number of times the terminal device sends the first information.
- the network device After receiving the time indication of the first information and the first information, the network device learns, according to the time indication of the first information, the number of transmissions of the first information and the receiving time of the first information after the third time
- the unit may determine an initial transmission time unit of the first information, where the receiving time unit of the first information refers to a time unit in which the network device receives the first information, and the network device determines, according to the initial transmission time unit of the first information, the first information.
- the time unit is configured to ensure that the time units corresponding to the BSR and/or the PHR determined by the network device and the terminal device are consistent, so that the network device can perform resource scheduling more accurately and avoid resource waste.
- the time indication may carry only one indication information, and the indication information simultaneously indicates the generation time and/or the initial transmission time of the BSR and the PHR, that is, the generation time and/or the generation time of the BSR and the PHR.
- the initial pass time is the same.
- the time indication may carry two indication information, one indication information is used to indicate the generation time and/or the initial transmission time of the BSR, and another indication information is used to indicate the generation time of the PHR.
- the generation time of the BSR and the generation time of the PHR may be the same or different.
- the initial transmission time of the BSR and the initial transmission time of the PHR may be the same or different.
- the terminal device sends the first information and the time indication of the first information to the network device, where the first information includes a BSR and/or a PHR, where the time indication is used to indicate the generation time and/or the initial transmission of the first information. time.
- the time unit corresponding to the first information is determined by the time indication of the first information, and the time unit corresponding to the BSR and/or the PHR determined by the network device and the terminal device is consistent, because the network The time unit corresponding to the BSR and/or the PHR determined by the device and the terminal device is the same, and the network device can schedule the terminal according to the BSR and/or the PHR, and allocate the uplink resource reasonably.
- Embodiment 3 is a flowchart of a channel access method according to Embodiment 2 of the present application. It should be clarified that the steps in this embodiment may be performed on the basis of Embodiment 1, and may be performed before Step S101 or in Step S102. Executing before, it can also be performed before steps S101 and S102. The steps of this embodiment can also be performed separately, and do not depend on the method of the first embodiment. As shown in FIG. 3, the method of this embodiment includes the following steps:
- Step S201 The terminal device determines, according to data of the uplink buffer, a first channel access priority level.
- Different types of data to be transmitted may be stored in the uplink buffer. Different types of data have different Quality of Service Class Identifiers (QCIs), and QCIs and channel access priorities have corresponding relationships. One channel is connected. The priority level corresponds to at least one QCI. Exemplarily, the terminal device first determines the QCI of the data of the uplink buffer, and the QCI of the data of the uplink buffer may be one or more, and then determines the uplink buffer according to the correspondence between the QCI and the channel access priority level.
- QCIs Quality of Service Class Identifiers
- channel access priorities have corresponding relationships.
- One channel is connected.
- the priority level corresponds to at least one QCI.
- the terminal device first determines the QCI of the data of the uplink buffer, and the QCI of the data of the uplink buffer may be one or more, and then determines the uplink buffer according to the correspondence between the QCI and the channel access priority level.
- the channel access priority level corresponding to the QCI of the data when the QCI of the data of the uplink buffer is multiple, the channel access priority level corresponding to the QCI of the data of the uplink buffer may be one or more, when When the channel access priority level corresponding to the QCI of the data of the uplink buffer is multiple, the terminal device determines the access priority with the highest priority from the multiple channel access priority levels corresponding to the QCI of the data of the uplink buffer. As the first channel access priority level.
- Table 1 is a schematic diagram of QCI and channel access priority levels. As shown in Table 1, there are 4 channel access priority levels: the QCI value corresponding to channel access priority level 1 is 1,3. 5, 65, 66, 69, and 70, the QCI corresponding to the channel access priority is 2 and 7, and the QCI corresponding to the channel access priority 3 is 4, 6, 8, and 9, and the channel is connected. The QCI corresponding to priority level 4 is not defined. Assume that the QCI of the data to be transmitted in the uplink buffer of the terminal device is 8, and the terminal device determines that the first channel access priority is 3 according to the correspondence shown in Table 1.
- Step S202 The terminal device receives a second channel access priority level sent by the network device.
- the second channel access priority level is determined by the network device for the terminal device, and is sent to the terminal device by using a PDCCH, and the PDCCH is scrambled by a publicly controlled radio network temporary identifier (CC-RNTI)
- CC-RNTI publicly controlled radio network temporary identifier
- Step S203 The terminal device determines, according to the first channel access priority level and the second channel access priority level, the used channel access procedure.
- the terminal device compares the first channel access priority level with the second channel access priority level, and when the first channel access priority level is less than the second channel access priority level, the terminal device determines the used channel access process. For the first channel access process, when the first channel access priority level is greater than or equal to the second channel access priority level, the terminal device determines that the used channel access process is the second channel access process.
- the first channel access process is a back-based idle channel detection process
- the second channel access process is a fixed time-based idle channel detection process.
- the terminal device determines that the used channel access process is the first channel access process, and when the first channel access priority is less than the second When the channel access priority level, the terminal device determines that the channel access process used is the second channel access process, where the first channel access process is a back-based idle channel detection process, and the second channel access process is based on A fixed duration idle channel detection process.
- the terminal device uses the first channel access procedure by default. If the terminal device receives the indication information of the network device, the indication information is used to indicate that the terminal device can use the second channel access process, and the indication information may be PDCCH. In the existing mechanism, if the terminal device uses the second channel access procedure for channel access, the terminal device can only transmit the data to be transmitted corresponding to the second channel access priority level. The different channel access priority levels correspond to different data to be transmitted. If the second channel access priority level indicated by the network device is different from the first channel access priority level determined by the terminal device, the terminal device determines the used channel access.
- the terminal device cannot regenerate a new data according to the second channel access priority level (ie, the data to be transmitted corresponding to the second channel access priority level), and the terminal device can only transmit the first channel access.
- the data to be transmitted corresponding to the priority level so that the terminal device cannot use the second channel access process. Therefore, the present application sets a judgment condition, and only when the judgment condition is met, the terminal device can use the second channel access procedure for channel access, and transmits the first channel access after the second channel access process is completed.
- the priority corresponding to the data to be transmitted otherwise, the terminal device uses the first channel access level determined by the terminal device to perform the first channel access process, thereby realizing the transmission opportunity acquired by the shared network device, conforms to the principle of fairness, and improves resources. Utilization rate.
- Step S204 The terminal device detects whether the channel is idle according to the channel detection parameter corresponding to the channel access process.
- the first channel access process includes four channel access priority classes, and the channel detection parameters corresponding to each channel access priority level are as shown in Table 2:
- CW min,p is the minimum value of the contention window of the channel access priority level
- CW max,p is the maximum value of the contention window of the channel access priority level
- T mcot,p is the longest channel of the channel access priority level Take up time.
- m p is the component of the delay time.
- the terminal device determines the first channel access priority level according to the data of the uplink buffer, and receives the second channel access priority level sent by the network device, according to the first channel access priority level and the second channel connection.
- the priority level is determined, and the channel access process used is determined.
- the terminal device detects whether the channel is idle according to the channel detection parameter corresponding to the channel access process.
- the channel access process determined by the terminal device may be the first channel access process or the second channel access process, and the first channel access may also be transmitted after the terminal device accesses the channel by using the second channel access process.
- the data to be transmitted corresponding to the cable level thereby realizing the transmission opportunity acquired by the shared network device, and improving resource utilization.
- FIG. 4 is a flowchart of a method for transmitting information according to Embodiment 3 of the present application. As shown in FIG. 4, the method in this embodiment further includes the following steps before the step S101 in the first embodiment:
- Step S301 The terminal device receives a second channel access priority level sent by the network device.
- Step S302 The terminal device determines, from the data in the uplink buffer, the data volume of the data to be transmitted corresponding to the second channel access priority level.
- the terminal device determines the QCI corresponding to the second channel access priority level and the QCI of the data in the uplink buffer according to the correspondence between the channel access priority level and the QCI, and determines the QCI from the data in the uplink buffer.
- the amount of data of the QCI to be transmitted corresponding to the priority of the two channels.
- Step S303 When the amount of data to be transmitted corresponding to the second channel access priority level is greater than or equal to the preset first threshold, generate first data, where the first data includes a to-be-transmitted corresponding to the second channel access priority level. Data and first information.
- the first threshold is determined by the terminal device according to the first resource, and when the first resource changes, the first threshold also changes.
- the first threshold may be equal to the maximum amount of data that can be transmitted on the first resource, or the first threshold is less than the maximum amount of data that can be transmitted on the first resource.
- the first threshold may also be pre-configured by the network device.
- the uplink resource is discarded by using the first resource.
- the amount of data to be transmitted corresponding to the second channel access priority level is smaller than the first threshold, indicating that the amount of data in the uplink buffer of the terminal device is small, and the use of the first resource transmission may cause waste of resources, thereby reducing the unscheduled resource. Utilization rate.
- the terminal device determines the data volume of the data to be transmitted corresponding to the second channel access priority level from the data in the uplink buffer by receiving the second channel access priority level sent by the network device, when the second channel is connected.
- the first data is generated, where the first data includes the to-be-transmitted data and the first information corresponding to the second channel access priority level.
- the uplink data is discarded by using the first resource, thereby avoiding resource waste and improving utilization of the unscheduled resource.
- Embodiment 5 is a flowchart of a method for transmitting information according to Embodiment 4 of the present application. This embodiment describes a method for transmitting the information from a network device side. As shown in FIG. 5, the method provided in this embodiment includes the following steps.
- Step S401 The network device receives the first information sent by the terminal device, where the first information includes a BSR and/or a PHR.
- the time indication of the first information includes at least one of the following:
- the number of times of transmission of the first information is the number of times the terminal device sends the first information
- An identifier of an initial transmission time unit of the first information where the initial transmission time unit is a time unit in which the terminal device sends the first information for the first time;
- An identifier of a generation time unit of the first information where the generation time unit is a time unit that generates the first information by the terminal device.
- Step S402 The network device receives a time indication of the first information sent by the terminal device, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the time indication of the first information and the first information are received by the first resource.
- the first information is received by the first resource
- the time indication of the first information is received by the second resource, where the first resource and the second resource do not overlap in the time domain and/or the frequency domain.
- the network device After receiving the first information sent by the terminal device and the time indication of the first information, the network device determines, according to the time indication of the first information, a time unit corresponding to the first information, where the time indication is used to indicate the generation time of the first information and/or Or, the initial time, the time unit corresponding to the BSR and/or the PHR determined by the network device and the terminal device are consistent, so that the network device schedules the terminal according to the BSR and/or the PHR, and allocates the uplink resource reasonably.
- Figure 6 is a schematic structural diagram of a terminal device according to Embodiment 5 of the present application. As shown in Figure 6, the terminal device provided in this embodiment includes:
- the sending module 11 is configured to send first information to the network device, where the first information includes a buffer status report BSR and/or a power headroom report PHR;
- the sending module 11 is further configured to send a time indication of the first information to the network device, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the terminal device further includes: a processing module 12 and a receiving module 13.
- the processing module 12 is configured to determine, according to data of the uplink buffer, a first channel access priority level
- the receiving module 13 is configured to receive a second channel access priority level sent by the network device.
- the processing module 12 is further configured to determine, according to the first channel access priority level and the second channel access priority level, a used channel access process
- the processing module 12 is further configured to detect, according to the channel detection parameter corresponding to the channel access process, whether the channel is idle.
- processing module 12 is specifically configured to:
- Determining that the used channel access procedure is a first channel access procedure when the first channel access priority level is less than the second channel access priority level, when the first channel access priority level is greater than or equal to Determining, by using the second channel access priority level, that the used channel access process is a second channel access process, where the first channel access process is a back-based channel detection process, and the second channel is The access process is a channel detection process based on a fixed duration; or
- the used channel access procedure is the first channel access procedure when the first channel access priority level is greater than or equal to the second channel access priority level, when the first channel access priority When the level is smaller than the second channel access priority level, determining that the used channel access process is a second channel access process, where the first channel access process is a back-based channel detection process, where the The two-channel access procedure is a channel detection process based on a fixed duration.
- the receiving module 13 is configured to receive a second channel access priority level sent by the network device.
- the processing module 12 is configured to determine, according to data in the uplink buffer, a data amount of data to be transmitted corresponding to the second channel access priority level;
- the processing module 12 is further configured to: when the data quantity of the data to be transmitted corresponding to the second channel access priority level is greater than or equal to a preset first threshold, generate the first data, where the first data includes Transmitting data to be transmitted corresponding to the second channel access priority level and the first information.
- the time indication and the first information are sent by using the first resource.
- the first information is sent by using the first resource
- the time indication is sent by using the second resource, where the first resource does not overlap with the second resource in a time domain and/or a frequency domain.
- the time indication includes at least one of the following:
- the number of times of transmission of the first information is the number of times the terminal device sends the first information
- An identifier of the initial transmission time unit of the first information where the initial transmission time unit is a time unit that the terminal device sends the first information for the first time;
- An identifier of the generation time unit of the first information where the generation time unit is a time unit for generating the first information by the terminal device.
- the terminal device provided in this embodiment may be used to perform the steps performed by the terminal device in the foregoing method embodiment, and the specific implementation manners and technical effects are similar, and details are not described herein again.
- FIG. 7 is a schematic structural diagram of a network device according to Embodiment 6 of the present application. As shown in FIG. 7, the network device provided in this embodiment includes:
- the receiving module 21 is configured to receive first information sent by the terminal device, where the first information includes a buffer status report BSR and/or a power headroom report PHR;
- the receiving module 21 is further configured to receive a time indication of the first information sent by the terminal device, where the time indication is used to indicate a generation time and/or an initial transmission time of the first information.
- the network device further includes: a sending module 22, configured to send a second channel access priority level to the terminal device.
- the time indication and the first information are received by the first resource.
- the first information is received by the first resource
- the time indication is received by the second resource, where the first resource and the second resource do not overlap in a time domain and/or a frequency domain.
- the time indication includes at least one of the following:
- the number of times of transmission of the first information is the number of times the terminal device sends the first information
- An identifier of the initial transmission time unit of the first information where the initial transmission time unit is a time unit that the terminal device sends the first information for the first time;
- An identifier of the generation time unit of the first information where the generation time unit is a time unit for generating the first information by the terminal device.
- the network device provided in this embodiment may be used to perform the steps performed by the network device in the foregoing method embodiment, and the specific implementation manners and technical effects are similar, and details are not described herein again.
- the terminal device provided in this embodiment includes: a processor 31, a memory 32, and a transceiver 33, and the memory 32 and the transceiver 33.
- the memory 32 is for storing instructions
- the transceiver 33 is for communicating with other devices
- the processor 31 is for executing instructions stored in the memory 32.
- the terminal device is configured to perform the steps performed by the terminal device in the foregoing method embodiment.
- FIG. 9 is a schematic structural diagram of a network device according to Embodiment 8 of the present application.
- the network device provided in this embodiment includes: a processor 41, a memory 42 and a transceiver 43, the memory 42 and the transceiver 43. Connected to and communicated with the processor 41 via a bus for storing instructions, the transceiver 43 for communicating with other devices, the processor 41 for executing instructions stored in the memory 42, So that the network device performs the steps performed by the network device in the above embodiment.
- the processor used in the network device or the terminal device in the present application may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and a field programmable gate array ( FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
- the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
- the bus described in this application may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus.
- ISA Industry Standard Architecture
- PCI Peripheral Component
- EISA Extended Industry Standard Architecture
- the bus can be divided into an address bus, a data bus, a control bus, and the like.
- the bus in the drawings of the present application is not limited to only one bus or one type of bus.
- the disclosed apparatus and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
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Abstract
本申请提供一种信息的传输方法和装置,所述方法包括:终端设备向网络设备发送第一信息以及第一信息的时间指示,该第一信息包括BSR和/或PHR,该时间指示用于指示第一信息的生成时间和/或初传时间。通过携带第一信息的时间指示,使得网络设备能够根据第一信息的时间指示确定第一信息对应的时间单元,保证网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,由于网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,网络设备才能够根据BSR和/或PHR对终端进行调度,合理分配上行资源。
Description
本申请要求于2017年9月28日提交中国专利局、申请号为201710899863.0、申请名称为“信息的传输方法和装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
本申请涉及通信技术,尤其涉及一种信息的传输方法和装置。
目前,现有的移动通信系统主要采用基于请求-授权的上行数据传输方法,但是随着应用场景、终端类型和应用类型的日益丰富,在未来移动通信系统的演进过程中,终端设备数目将呈爆炸式增长,特定应用场景下用户对网络时延也会有较高的要求,以及充分利用非授权频谱资源。这种情况下,传统的基于请求-授权的上行数据传输方法由于较高的时延和信令开销将不再适用,免调度传输应用而生。
在免调度传输中,当终端设备有数据发送需求时,终端设备不需要向基站请求调度资源,可以直接使用预先分配的资源发送上行数据,因此,在网络时延和信令开销方面具有很大的优势。在免调度传输中,终端设备会将缓冲区状态报告(Buffer Status Report,BSR)、功率余量报告(Power Headroom Report,PHR)等媒体接入控制(media access control,MAC)层的控制信息与业务数据一起携带在MAC层数据协议单元(MAC Protocol Data Unit,MAC PDU)中发送给网络设备。
但是,在免调度传输中,由于免调度资源可用于进行数据的新传和重传,当第一时间单元对应的免调度资源中终端设备有上行业务数据待发送,终端设备获取到该第一时间单元的BSR和/或PHR,将第一时间单元的BSR和/或PHR,以及上行业务数据携带在同一个MAC PDU。当出现信道接入过程未完成或信道质量较差等情况时,网络设备可能无法确定该终端设备是否发送了该MAC PDU,如果终端设备将该MAC PDU中在第二时间单元对应的免调度资源中重传给网络设备,网络设备则无法确定该MAC PDU中携带的BSR和PHR是第一时间单元的还是第二时间单元的。上述场景,会导致终端设备和网络设备确定的BSR、PHR对应的时间单元不一致,从而影响网络设备的后续的调度。
发明内容
本申请提供一种信息的传输方法和装置,使得终端设备和网络设备确定的BSR、PHR对应的时间单元一致。
本申请第一方面提供一种信息的传输方法,包括:终端设备向网络设备发送第一信息,以及所述第一信息的时间指示,所述第一信息包括BSR和/或PHR,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
可选的,所述方法还包括:
所述终端设备根据上行缓冲区的数据,确定第一信道接入优先等级;
所述终端设备接收所述网络设备发送的第二信道接入优先等级;
所述终端设备根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程;
所述终端设备根据所述信道接入过程对应的信道检测参数,检测信道是否空闲。
可选的,所述终端设备根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程,包括:
当所述第一信道接入优先等级小于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第一信道接入过程,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程;或者,
当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为所述第一信道接入过程,当所述第一信道接入优先等级小于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程。
可选的,所述方法还包括:
所述终端设备接收所述网络设备发送的第二信道接入优先等级;
所述终端设备从所述上行缓冲区的数据中确定所述第二信道接入优先等级对应的待传输数据的数据量;
当所述第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,所述第一数据包括所述第二信道接入优先等级对应的待传输数据和所述第一信息。
本申请第二方面提供一种信息的传输方法,包括:网络设备接收终端设备发送的第一信息以及所述第一信息的时间指示,所述第一信息包括BSR和/或PHR,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
可选的,所述方法还包括:所述网络设备向所述终端设备发送第二信道接入优先等级。
本申请第三方面提供一种终端设备,包括:发送模块,用于向所述网络设备发送第一信息,所述第一信息包括BSR和/或PHR,所述发送模块,还用于向所述网络设备发送所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
可选的,所述终端设备还包括:
处理模块,用于根据上行缓冲区的数据,确定第一信道接入优先等级;
接收模块,用于接收所述网络设备发送的第二信道接入优先等级;
所述处理模块,还用于根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程;
所述处理模块,还用于根据所述信道接入过程对应的信道检测参数,检测信道是否空闲。
可选的,所述处理模块,具体用于:
当所述第一信道接入优先等级小于所述第二信道接入优先等级时,确定使用的信道接入过程为第一信道接入过程,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程;或者,
当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,确定使用的信道接入过程为所述第一信道接入过程,当所述第一信道接入优先等级小于所述第二信道接入优先等级时,确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程。
可选的,所述终端设备还包括:
接收模块,用于接收所述网络设备发送的第二信道接入优先等级;
处理模块,用于从所述上行缓冲区的数据中确定所述第二信道接入优先等级对应的待传输数据的数据量;
所述处理模块,还用于当所述第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,所述第一数据包括所述第二信道接入优先等级对应的待传输数据和所述第一信息。
本申请第四方面提供一种网络设备,包括:
接收模块,用于接收终端设备发送的第一信息,所述第一信息包括BSR和/或PHR;
所述接收模块,还用于接收所述终端设备发送的所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
可选的,所述网络设备还包括:发送模块,用于向所述终端设备发送第二信道接入优先等级。
可选的,在本申请第一方面至第四方面中,所述时间指示和所述第一信息通过第一资源发送/接收。
可选的,在本申请第一方面至第四方面中,所述第一信息通过第一资源发送/接收,所述时间指示通过第二资源发送/接收,所述第一资源与所述第二资源在时域和/或频域上不重叠。
可选的,在本申请第一方面至第四方面中,所述时间指示包括以下内容中的至少一个:
所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;
所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;
所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
本申请第五方面提供一种终端设备,包括:处理器、存储器和收发器,所述存储器用于存储指令,所述收发器用于和其他设备通信,所述处理器用于执行所述存储器中存储的指令,以使终端设备执行如本申请第一方面所述的方法的操作。
本申请第六方面提供一种网络设备,包括:处理器、存储器和收发器,所述存储器用于存储指令,所述收发器用于和其他设备通信,所述处理器用于执行所述存储器中存储的指令,以使所述网络设备执行如本申请第二方面所述的方法的操作。
本申请第七方面提供一种芯片系统,应用在终端设备中,包括:至少一个处理器,所述至少一个处理器用于执行存储的指令,以使得所述终端设备执行如本申请第一方面所述的方法的操作。
本申请第八方面提供一种芯片系统,应用在网络设备中,包括:至少一个处理器,所述至少一个处理器用于执行存储的指令,以使得所述网络设备执行如本申请第二方面所述的方法的操作。
本申请第九方面提供一种计算机程序产品,应用在终端设备中,所述计算机程序产品包括指令,当所述指令被计算装置执行时,使得所述终端设备执行如本申请第一方面所述的方法的操作。
本申请第十方面提供一种计算机程序产品,应用在网络设备中,所述计算机程序产品包括指令,当所述指令被计算装置执行时,使得所述网络设备执行如本申请第二方面所述的方法的操作。
本申请第十一方面提供一种计算机可读存储介质,应用在终端设备中,所述计算机可读存储介质存储有指令,当所述指令被计算装置执行时,使得所述终端设备执行如本申请第一方面所述的方法的操作。
本申请第十二方面提供一种计算机可读存储介质,应用在网络设备中,所述计算机可读存储介质存储有指令,当所述指令被计算装置执行时,使得所述网络设备执行如本申请第二方面所述的方法的操作。
本申请提供的信息的传输方法和装置,终端设备通过向网络设备发送第一信息以及第一信息的时间指示,该第一信息包括BSR和/或PHR,该时间指示用于指示第一信息的生成时间和/或初传时间。由于携带第一信息的时间指示,使得网络设备能够根据第一信息的时间指示确定第一信息对应的时间单元,保证网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,由于网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,网络设备才能够根据BSR和/或PHR对终端进行调度,合理分配上行资源。
图1为本申请实施例适用的一种网络架构的示意图;
图2为本申请实施例一提供的信息的传输方法的流程图;
图3为本申请实施例二提供的信道接入方法的流程图;
图4为本申请实施例三提供的信息的传输方法的流程图;
图5为本申请实施例四提供的信息的传输方法的流程图;
图6为本申请实施例五提供的一种终端设备的结构示意图;
图7为本申请实施例六提供的网络设备的结构示意图;
图8为本申请实施例七提供的终端设备的结构示意图;
图9为本申请实施例八提供的网络设备的结构示意图。
本申请提供一种信息的传输方法,本申请的方法可以应用在免调度传输中,在免调度传输可以应用在授权频段中也可以应用在非授权频段中。授权频段可以被同一个小区的多个终端设备共享或被一个终端设备占用,非授权频段可以被多种系统(比如无线保真(WIreless-Fidelity,WIFI)系统,授权频谱辅助接入(License Assisted Access,LAA)系统)共享。为了保障共存和公平性,终端设备通过信道接入过程使用信道,信道接入过程可以分为以下两种模式:第一种模式为基于回退的空闲信道检测;第二种模式为基于固定时长的空闲信道检测。基于回退的空闲信道检测是指:终端设备从竞争窗口中随机选择一个随机值A,必须检测到至少A个空闲的时隙(slot),才认为信道接入过程完成,可以使用信道进行数据传输。基于固定时长的空闲信道检测是指:终端设备如果在固定时长内检测到信道为空闲,那么就认为信道接入过程完成,可以使用信道进行数据传输。终端设备检测信道是否为空闲,具体为:判断信道上的接收信号能量是否低于一定门限,如果信道上的接收信号能量低于该门限,则确定信道空闲,如果信道上的接收信号能量高于该门限,则确定信道繁忙。信道接入过程完成后,协议规定了最大信道占用时间,终端设备发送数据的时间不能超过该最大信道占用时间。
图1为本申请实施例适用的一种网络架构的示意图,如图1所示,该网络架构中包括基站和至少一个终端设备,需要明确的是,本申请中提到的基站可以是全球移动通讯(Global System of Mobile communication,GSM)系统或码分多址(Code Division Multiple Access,CDMA)系统的基站(Base Transceiver Station,BTS),也可以是宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统中的基站(NodeB,NB),还可以是长期演进(Long Term Evolution,LTE)系统中的演进型基站(evolved NodeB,eNB)、接入点(access point,AP)或者中继站,也可以是第五代移动通信(5Generation,5G)系统中的基站(如gNB或传输点(Transmission Point,TRP))等,还可以是云无线接入网络(Cloud Radio Access Network,CRAN)场景下的无线控制器以及可穿戴设备或车载设备等。在此不作限定。5G系统也称为新无线通信系统、新接入技术(New Radio)或者下一代移动通信系统。
本申请中提到的终端设备可以是用户设备(User Equipment,UE)、接入终端、UE单元、UE站、移动站、移动台、远方站、远程终端、移动设备、UE终端、终端、无线通信设备、UE代理或UE装置等。还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的终端等。
基于上述图1所示的网络架构,本申请提供的信息的传输方法,旨在解决现有技术中终端设备和网络设备确定的BSR、PHR对应的时间单元不一致的问题。
下面以具体地实施例对本申请的技术方案以及本申请的技术方案如何解决上述技术问题进行详细说明。下面这几个示例性的实施例可以相互结合,对于相同或相似的概念或过程可能在某些实施例中不再赘述。下面将结合附图,对本申请的实施例进行描述。
图2为本申请实施例一提供的信息的传输方法的流程图,如图2所示,本实施例提供的方法包括以下步骤:
步骤S101、终端设备向网络设备发送第一信息,该第一信息包括BSR和/或PHR。
终端设备可以使用免调度的第一资源向网络设备发送第一信息,该第一资源可以由网络设备预先指示给终端设备,该网络设备可以为基站。示例性的,终端设备接收网络设备发送的第一指示和第二指示,该第一指示用于指示第一资源的时域资源位置,该第二指示用于指示第一资源的频域资源位置。第一资源为免调度资源,可以用于发送新传或重传数据。
可选的,该第一指示可以包括:第一资源的周期和第一资源的起始时间单元,该时间单元可以为子帧(subframe)、时隙(slot)、传输时间间隔(Transmission Time Interval,TTI)、符号(symbol)中的任意一种。可选的,该第一指示还可以包括至少一个HARQ进程ID。可选的,该第一指示可以通过无线资源控制(Radio Resource Control,RRC)消息携带,RRC消息例如是RRC连接重配置消息等。例如,该第一指示中包括的混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)进程标识(identification,ID)为:HARQ进程1的ID和HARQ进程2的ID,第一资源的周期为2毫秒(ms),第一资源的起始时间单元为子帧0,那么子帧0、子帧2、子帧4等偶数子帧都是HARQ进程1和HARQ进程2的免调度资源的时域资源。
可选的,该第二指示中包括:第一资源占用的频带或子载波等。可选的,该第二指示通过物理层信令携带,该物理层信令例如是下行控制信息(Downlink Control Information,DCI)。可选的,该第二指示中还包括:调制与编码方案(Modulation and Coding Scheme,MCS)。
终端设备接收到第一指示和第二指示后,根据第一指示和第二指示确定第一资源的时频资源,该第一资源可以为物理上行共享信道(Physical uplink share channel,PUSCH)资源。
当终端设备有数据发送时,如果终端设备触发了BSR,那么生成BSR;如果终端设备触发了PHR,那么生成PHR。其中,BSR用于向网络设备通知终端设备的缓冲区的数据量,以便于网络设备获取该终端设备还有多少数据待发送。BSR可以通过逻辑信道组的方式进行上报,一个逻辑信道组包括至少一个逻辑信道,则该第一信息中的BSR包括至少一个逻辑信道组的逻辑信道的缓冲区的数据量之和。BSR也可以通过逻辑信道的方式进行上报,该第一信息中的BSR包括至少一个逻辑信道的缓冲区的数据量之和。
PHR用于向网络设备通知终端设备的功率余量(Power Headroom,PH),该PHR中可以包括终端设备在至少一个激活的服务小区的PH。终端设备的服务小区是指用于 为连接态的终端设备提供无线资源的小区,激活的服务小区为可用于数据传输的服务小区。如果终端设备没有配置载波聚合(carrier aggregation,CA)或双连接(dual connectivity,DC),则终端设备只有一个服务小区;如果终端设备配置了CA和/或DC,终端设备的服务小区为至少一个小区,该至少一个服务小区包括主小区(Primary Cell,PCell)和所有辅小区(Secondary Cell,SCell)。主小区为工作在主频率,终端设备可以执行初始连接建立过程或发起连接重建立过程,或在切换过程被指示为主小区的小区。辅小区为工作在辅频率的小区,为终端设备提供额外的无线资源。
PH是指终端设备允许的最大传输功率与上行数据信道传输功率的估计值之间的差值,以上行数据信道为PUSCH为例,PH的物理含义表示终端设备除了当前PUSCH传输所使用的传输功率之外,还有多少传输功率可以使用。由于PH的计算需要用到PUSCH的传输功率,因此可以只在PUSCH的发送时间单元,计算功率余量。其中,时间单元的含义为以PUSCH被调度的时间单位为粒度的时域资源,其中,时间单位可以为子帧、TTI、时隙、或符号等。
可选的,PH也可以为:终端设备允许的最大传输功率-上行数据信道的传输功率的估计值-上行控制信道的传输功率的估计值。其中,该上行数据信道可以包括主小区、主辅小区、PUCCH SCell中的至少一个小区的上行数据信道,PUCCH SCell为配置了PUCCH的SCel,该上行数据信道可以包括上行共享信道(UpLink-Share Channel,UL-SCH)。
PHR和BSR可以通过MAC层的控制单元发送,该控制单元也称为控制元素(control element,CE)发送的,所以PHR相关的MAC层的控制单元也被称作PHR控制单元,BSR相关的MAC层的控制单元也被称作BSR控制单元。
步骤S102、终端设备向网络设备发送第一信息的时间指示,该时间指示用于指示第一信息的生成时间和/或初传时间。
一种实现方式中,该时间指示和该第一信息均通过第一资源发送。另一种实现方式中,该第一信息通过第一资源发送,该时间指示通过第二资源发送,其中,第一资源与第二资源在时域和/或频域上不重叠,即该时间指示和该第一信息通过不同的资源发送。第二资源也是网络设备预先指示给终端设备的,第二资源可以为PUSCH资源或物理上行控制信道(Physical uplink control channel,PUCCH)资源。可选的,第一资源也可以为PUSCH资源,当该时间指示和该第一信息均通过第一资源发送时,终端设备可以根据预设的规则确定哪些符号发送第一信息,哪些符号发送时间指示,该预设的规则可以指定第一资源中的部分符号用于发送时间指示,那么剩余的符号用于发送第一信息。相应的,网络设备该预设的规则,从第一资源的对应的符号中获取该时间指示。该第一资源可以为主小区的资源,也可以为辅小区的资源。
第一信息的时间指示包括以下内容中的至少一个:第一信息的传输次数、第一信息的初传时间单元的标识或第一信息的生成时间单元的标识。其中,第一信息的传输次数为终端设备发送第一信息的次数,初传时间单元为终端设备第一次发送第一信息的时间单元,生成时间单元为终端设备生成第一信息的时间单元。初传时间单元和生成时间单元可以是:子帧、时隙、TTI、符号等,相应的,初传时间单元和生成时间单元的标识可以为:子帧编号、时隙的编号、TTI的编号、符号所在的子帧或时隙以及 符号在子帧或时隙中的位置。
需说明的是,第一信息发送之前需要进行信道接入过程,无论信道接入过程是否完成,终端设备都认为进行了一次传输,例如,终端设备在子帧0之前信道接入过程完成,此时向网络设备进行第一信息的初传,也就是第一次传输该第一信息,如果由于网络质量差或其他原因导致该第一信息发送失败,那么终端设备会再次进行信道接入过程,如果在子帧10之前信道接入过程未完成,此时即使终端设备没有进行该第一信息的第一次重传,终端设备还是认为终端设备进行了一次传输,如果在子帧20之前信道接入过程完成,那么终端设备进行该第一信息的第二次重传。
终端设备生成第一信息后,可能会立即发送第一信息,也可能间隔一段时间后发送第一信息。因此,第一信息的生成时间单元与第一信息的初传时间单元可能相同,也可能不同。当第一信息的生成时间单元与第一信息的初传时间单元相同时,该时间指示中可以携带第一信息的生成时间单元的标识与初传时间单元的标识中的任意一个。当第一信息的生成时间单元与初传时间单元不同时,该时间指示可以携带第一信息的生成时间单元的标识与初传时间单元的标识中的任意一个,或者,同时携带第一信息的生成时间单元的标识与初传时间单元的标识。网络设备根据接收到第一信息,以及第一信息的生成时间单元的标识和/或初传时间单元的标识后,根据第一信息的生成时间单元的标识和/或初传时间单元的标识,确定第一信息对应的时间单元,从而能够保证网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致。
可选地,终端设备在发送第一信息之前,需要进行信道接入过程,如果信道接入过程未完成,则终端设备无法发送第一信息。例如,终端设备在针对第一次数据传输的资源和针对第二次数据传输的信道接入过程未完成,针对第三次数据传输的信道接入过程未完成,终端设备成功发送第一信息,网络设备能够接收并正确解码第一信息。该过程中终端设备共三次发送了第一信息,前两次都发送失败,第三次发送成功,网络设备接收到第三次发送的第一信息和第一信息的时间指示,该第一信息的时间指示中包括第一信息的传输次数:第三次,第一信息的传输次数为终端设备发送第一信息的次数。网络设备接收到第一信息和第一信息的时间指示后,根据第一信息的时间指示获知第一信息的传输次数为第三次后,根据第一信息的传输次数和第一信息的接收时间单元可以确定第一信息的初传时间单元,第一信息的接收时间单元是指网络设备接收到第一信息的时间单元,进而网络设备根据第一信息的初传时间单元确定第一信息对应的时间单元,从而能够保证网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,从而使得网络设备能够更加准确的进行资源调度,避免资源浪费。
当第一信息包括BSR和PHR时,该时间指示中可以为只携带一个指示信息,该指示信息同时指示BSR和PHR的生成时间和/或初传时间,即BSR和PHR的生成时间和/或初传时间均相同。或者,该时间指示中可以携带两个指示信息,一个指示信息用于指示BSR的生成时间和/或初传时间,另一个指示信息用于指示PHR的生成时间。其中,BSR的生成时间和PHR的生成时间可以相同,也可以不同,同理,BSR的初传时间和PHR的初传时间可以相同,也可以不同。
本实施例中,终端设备向网络设备发送第一信息以及第一信息的时间指示,该第一信息包括BSR和/或PHR,该时间指示用于指示第一信息的生成时间和/或初传时间。 通过携带第一信息的时间指示,使得网络设备能够根据第一信息的时间指示确定第一信息对应的时间单元,保证网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,由于网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,网络设备才能够根据BSR和/或PHR对终端进行调度,合理分配上行资源。
图3为本申请实施例二提供的信道接入方法的流程图,需要明确的是,本实施例的步骤可以在实施例一的基础上执行,可以在步骤S101之前执行、也可以在步骤S102之前执行,还可以在步骤S101和S102之前均执行。本实施例的步骤也可以单独执行,不依赖于实施例一的方法。如图3所示,本实施例的方法包括以下步骤:
步骤S201、终端设备根据上行缓冲区的数据,确定第一信道接入优先等级。
上行缓冲区中可能存储有不同类型的待传输的数据,不同类型数据的服务质量等级标识(Quality of Service Class Identifier,QCI)不同,而QCI和信道接入优先等级具有对应关系,一个信道接入优先等级对应至少一个QCI。示例性的,终端设备先确定上行缓冲区的数据的QCI,该上行缓冲区的数据的QCI可能为一个或多个,然后,根据QCI和信道接入优先等级的对应关系,确定该上行缓冲区的数据的QCI对应的信道接入优先等级,当该上行缓冲区的数据的QCI为多个时,该上行缓冲区的数据的QCI对应的信道接入优先等级可能为一个或多个,当该上行缓冲区的数据的QCI对应的信道接入优先等级为多个时,终端设备从该上行缓冲区的数据的QCI对应的多个信道接入优先等级中确定一个优先级最高的接入优先级作为第一信道接入优先等级。
示例性的,表一为QCI和信道接入优先等级的一种示意图,如表一所示,共有4个信道接入优先等级:信道接入优先等级1对应的QCI的取值为1,3,5,65,66,69和70,信道接入优先等级对应的QCI的取值为2和7,信道接入优先等级3对应的QCI的取值为4,6,8和9,信道接入优先等级4对应的QCI没有定义。假设终端设备的上行缓冲区中待传输的数据的QCI为8,终端设备根据表一所示的对应关系,确定该第一信道接入优先等级为3。
表一
信道接入优先等级 | QCI |
1 | 1,3,5,65,66,69, |
2 | 2,7 |
3 | 4,6,8,9 |
4 | - |
步骤S202、终端设备接收网络设备发送的第二信道接入优先等级。
该第二信道接入优先等级是网络设备为终端设备确定,并通过PDCCH发送给终端设备的,该PDCCH通过公共控制的无线网络临时标识(CC-RNTI,common control radio network temporary identifier)进行加扰的,小区内至少一个UE可以读取的PDCCH。
步骤S203、终端设备根据第一信道接入优先等级和第二信道接入优先等级,确定使用的信道接入过程。
示例性的,终端设备比较第一信道接入优先等级和第二信道接入优先等级,当第一信道接入优先等级小于第二信道接入优先等级时,终端设备确定使用的信道接入过 程为第一信道接入过程,当第一信道接入优先等级大于或等于第二信道接入优先等级时,终端设备确定使用的信道接入过程为第二信道接入过程。其中,第一信道接入过程为基于回退的空闲信道检测过程,第二信道接入过程为基于固定时长的空闲信道检测过程。
或者,当第一信道接入优先等级大于或等于第二信道接入优先等级时,终端设备确定使用的信道接入过程为第一信道接入过程,当第一信道接入优先等级小于第二信道接入优先等级时,终端设备确定使用的信道接入过程为第二信道接入过程,其中,第一信道接入过程为基于回退的空闲信道检测过程,第二信道接入过程为基于固定时长的空闲信道检测过程。
在免调度资源之前,终端设备默认使用第一信道接入过程,如果终端设备接收到网络设备的指示信息,该指示信息用于指示终端设备可以使用第二信道接入过程,该指示信息可以为PDCCH。现有机制中,如果终端设备使用第二信道接入过程进行信道接入,则终端设备只能传输第二信道接入优先等级对应的待传输数据。而不同的信道接入优先等级对应不同的待传输数据,如果网络设备指示的第二信道接入优先等级与终端设备确定的第一信道接入优先等级不一样,终端设备确定使用的信道接入过程,由于终端设备硬件能力,终端设备无法根据第二信道接入优先等级重新生成一个新数据(即第二信道接入优先等级对应的待传输数据),终端设备只能传输第一信道接入优先等级对应的待传输数据,从而使得终端设备无法使用第二信道接入过程。为此,本申请设置了一个判断条件,只有满足该判断条件时,终端设备才可以使用第二信道接入过程进行信道接入,并在第二信道接入过程完成后传输第一信道接入优先等级对应的待传输据,否则,终端设备就使用终端设备确定的第一信道接入等级进行第一信道接入过程,实现了共享网络设备获取的传输机会,符合公平性原则,提高了资源利用率。
步骤S204、终端设备根据信道接入过程对应的信道检测参数,检测信道是否空闲。
以第一信道接入过程为例,第一信道接入过程包括四个信道接入优先等级(channel access priority class),各信道接入优先等级对应的信道检测参数如表二所示:
表二
其中,CW
min,p为信道接入优先等级的竞争窗口的最小值,CW
max,p为信道接入优先 等级的竞争窗口的最大值,T
mcot,p为信道接入优先等级的最长信道占用时间。m
p为延期时间的组成部分,延期时间包括固定时长T
f=16us和动态时长,动态时长等于m
p*slot,一个slot为9us,例如,m
p=2,则动态时长为2个slot=18us。
本实施例中,终端设备根据上行缓冲区的数据,确定第一信道接入优先等级,并接收网络设备发送的第二信道接入优先等级,根据第一信道接入优先等级和第二信道接入优先等级,确定使用的信道接入过程,终端设备根据信道接入过程对应的信道检测参数,检测信道是否空闲。终端设备确定使用的信道接入过程可以是第一信道接入过程也可以是第二信道接入过程,当终端设备使用第二信道接入过程接入信道后,也可以传输第一信道接入有线等级对应的待传输数据,从而实现了共享网络设备获取的传输机会,提高了资源利用率。
图4为本申请实施例三提供的信息的传输方法的流程图,如图4所示,本实施例的方法在实施例一步骤S101之前还包括以下步骤:
步骤S301、终端设备接收网络设备发送的第二信道接入优先等级。
步骤S302、终端设备从上行缓冲区的数据中确定第二信道接入优先等级对应的待传输数据的数据量。
示例性的,终端设备根据信道接入优先等级与QCI的对应关系,确定第二信道接入优先等级对应的QCI,以及上行缓冲区的数据的QCI,从上行缓冲区的数据中确定QCI为第二信道接入优先等级对应的QCI的待传输数据的数据量。
步骤S303、当第二信道接入优先等级对应的待传输的数据量大于或等于预设的第一门限时,生成第一数据,该第一数据包括第二信道接入优先等级对应的待传输数据和第一信息。
可选的,该第一门限是终端设备根据第一资源确定的,当第一资源变化时,该第一门限也随之变化。例如,该第一门限可以等于第一资源上能够传输的最大数据量,或该第一门限小于第一资源上能够传输的最大数据量。可选的,该第一门限还可以由网络设备预先配置。
可选的,当第二信道接入优先等级对应的待传输的数据量小于该第一门限时,放弃使用第一资源发送上行数据。第二信道接入优先等级对应的待传输的数据量小于该第一门限,说明终端设备的上行缓冲区的数据量较少,使用第一资源传输可能会造成资源浪费,从而降低免调度资源的利用率。
本实施例中,终端设备通过接收网络设备发送的第二信道接入优先等级,从上行缓冲区的数据中确定第二信道接入优先等级对应的待传输数据的数据量,当第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,第一数据包括第二信道接入优先等级对应的待传输数据和第一信息。当第二信道接入优先等级对应的待传输数据的数据量小于第一门限时,放弃使用第一资源发送上行数据,从而可以避免资源浪费,提高了免调度资源的利用率。
图5为本申请实施例四提供的信息的传输方法的流程图,本实施例从网络设备侧 描述该信息的传输方法,如图5所示,本实施例提供的方法包括以下步骤,
步骤S401、网络设备接收终端设备发送的第一信息,该第一信息包括BSR和/或PHR。
可选的,第一信息的时间指示包括以下内容中的至少一个:
第一信息的传输次数,第一信息的传输次数为所述终端设备发送所述第一信息的次数;
第一信息的初传时间单元的标识,该初传时间单元为终端设备第一次发送第一信息的时间单元;
第一信息的生成时间单元的标识,该生成时间单元为终端设备生成所述第一信息的时间单元。
步骤S402、网络设备接收终端设备发送的第一信息的时间指示,时间指示用于指示第一信息的生成时间和/或初传时间。
可选的,第一信息的时间指示和第一信息通过第一资源接收。或者,第一信息通过第一资源接收,第一信息的时间指示通过第二资源接收,第一资源与第二资源在时域和/或频域上不重叠。
网络设备接收到终端设备发送的第一信息以及第一信息的时间指示后,根据第一信息的时间指示确定第一信息对应的时间单元,该时间指示用于指示第一信息的生成时间和/或初传时间,使得网络设备和终端设备确定的BSR和/或PHR对应的时间单元一致,从而使得网络设备根据BSR和/或PHR对终端进行调度,合理分配上行资源。
图6为本申请实施例五提供的一种终端设备的结构示意图,如图6所示,本实施例提供的终端设备包括:
发送模块11,用于向网络设备发送第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;
所述发送模块11,还用于向所述网络设备发送所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
可选的,所述终端设备还包括:处理模块12和接收模块13。
可选的,一种实现方式中:
处理模块12,用于根据上行缓冲区的数据,确定第一信道接入优先等级;
接收模块13,用于接收所述网络设备发送的第二信道接入优先等级;
所述处理模块12,还用于根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程;
所述处理模块12,还用于根据所述信道接入过程对应的信道检测参数,检测信道是否空闲。
可选的,所述处理模块12,具体用于:
当所述第一信道接入优先等级小于所述第二信道接入优先等级时,确定使用的信道接入过程为第一信道接入过程,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长 的信道检测过程;或者,
当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,确定使用的信道接入过程为所述第一信道接入过程,当所述第一信道接入优先等级小于所述第二信道接入优先等级时,确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程。
可选的,另一种实现方式中:
接收模块13,用于接收所述网络设备发送的第二信道接入优先等级;
处理模块12,用于从所述上行缓冲区的数据中确定所述第二信道接入优先等级对应的待传输数据的数据量;
所述处理模块12,还用于当所述第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,所述第一数据包括所述第二信道接入优先等级对应的待传输数据和所述第一信息。
可选的,所述时间指示和所述第一信息通过第一资源发送。
可选的,所述第一信息通过第一资源发送;所述时间指示通过第二资源发送,所述第一资源与所述第二资源在时域和/或频域上不重叠。
可选的,所述时间指示包括以下内容中的至少一个:
所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;
所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;
所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
本实施例提供的终端设备,可用于执行上述方法实施例中终端设备执行的步骤,具体实现方式和技术效果类似,这里不再赘述。
图7为本申请实施例六提供的网络设备的结构示意图,如图7所示,本实施例提供的网络设备包括:
接收模块21,用于接收终端设备发送的第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;
所述接收模块21,还用于接收所述终端设备发送的所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
可选的,所述网络设备还包括:发送模块22,用于向所述终端设备发送第二信道接入优先等级。
可选的,所述时间指示和所述第一信息通过第一资源接收。
可选的,所述第一信息通过第一资源接收;所述时间指示通过第二资源接收,所述第一资源与所述第二资源在时域和/或频域上不重叠。
可选的,所述时间指示包括以下内容中的至少一个:
所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第 一信息的次数;
所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;
所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
本实施例提供的网络设备,可用于执行上述方法实施例中网络设备执行的步骤,具体实现方式和技术效果类似,这里不再赘述。
图8为本申请实施例七提供的终端设备的结构示意图,如图8所示,本实施例提供的终端设备包括:处理器31、存储器32和收发器33,所述存储器32和收发器33通过总线与所述处理器31连接并通信,所述存储器32用于存储指令,所述收发器33用于和其他设备通信,所述处理器31用于执行所述存储器32中存储的指令,以使终端设备执行上述方法实施例中终端设备执行的步骤。
图9为本申请实施例八提供的网络设备的结构示意图,如图9所示,本实施例提供的网络设备包括:处理器41、存储器42和收发器43,所述存储器42和收发器43通过总线与所述处理器41连接并通信,所述存储器42用于存储指令,所述收发器43用于和其他设备通信,所述处理器41用于执行所述存储器42中存储的指令,以使所述网络设备执行上述实施例中网络设备执行的步骤。
可以理解,本申请中网络设备或者终端设备中使用的处理器可以是中央处理器(CPU),通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC),现场可编程门阵列(FPGA)或者其他可编程逻辑器件、晶体管逻辑器件,硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框,模块和电路。所述处理器也可以是实现计算功能的组合,例如包含一个或多个微处理器组合,DSP和微处理器的组合等等。
本申请所述的总线可以是工业标准体系结构(Industry Standard Architecture,ISA)总线、外部设备互连(Peripheral Component,PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture,EISA)总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示,本申请附图中的总线并不限定仅有一根总线或一种类型的总线。
在本申请所提供的几个实施例中,应该理解到,所揭露的装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用硬件加软件功能单元的形式实现。
Claims (35)
- 一种信息的传输方法,其特征在于,包括:终端设备向网络设备发送第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;所述终端设备向所述网络设备发送所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
- 根据权利要求1所述的方法,其特征在于,所述时间指示和所述第一信息通过第一资源发送。
- 根据权利要求1所述的方法,其特征在于,所述第一信息通过第一资源发送;所述时间指示通过第二资源发送,所述第一资源与所述第二资源在时域和/或频域上不重叠。
- 根据权利要求1-3任一项所述的方法,其特征在于,所述时间指示包括以下内容中的至少一个:所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
- 根据权利要求1-4任一项所述的方法,其特征在于,还包括:所述终端设备根据上行缓冲区的数据,确定第一信道接入优先等级;所述终端设备接收所述网络设备发送的第二信道接入优先等级;所述终端设备根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程;所述终端设备根据所述信道接入过程对应的信道检测参数,检测信道是否空闲。
- 根据权利要求5所述的方法,其特征在于,所述终端设备根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程,包括:当所述第一信道接入优先等级小于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第一信道接入过程,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程;或者,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为所述第一信道接入过程,当所述第一信道接入优先等级小于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程。
- 根据权利要求1-4任一项所述的方法,其特征在于,还包括:所述终端设备接收所述网络设备发送的第二信道接入优先等级;所述终端设备从所述上行缓冲区的数据中确定所述第二信道接入优先等级对应的待传输数据的数据量;当所述第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,所述第一数据包括所述第二信道接入优先等级对应的待传输数据和所述第一信息。
- 一种信息的传输方法,其特征在于,包括:网络设备接收终端设备发送的第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;所述网络设备接收所述终端设备发送的所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
- 根据权利要求8所述的方法,其特征在于,所述时间指示和所述第一信息通过第一资源接收。
- 根据权利要求8所述的方法,其特征在于,所述第一信息通过第一资源接收;所述时间指示通过第二资源接收,所述第一资源与所述第二资源在时域和/或频域上不重叠。
- 根据权利要求8-10任一项所述的方法,其特征在于,所述时间指示包括以下内容中的至少一个:所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
- 一种终端设备,其特征在于,包括:发送模块,用于向网络设备发送第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;所述发送模块,还用于向所述网络设备发送所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
- 根据权利要求12所述的设备,其特征在于,所述时间指示和所述第一信息通过第一资源发送。
- 根据权利要求12所述的设备,其特征在于,所述第一信息通过第一资源发送;所述时间指示通过第二资源发送,所述第一资源与所述第二资源在时域和/或频域上不重叠。
- 根据权利要求12-14任一项所述的设备,其特征在于,所述时间指示包括以下内容中的至少一个:所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次 发送所述第一信息的时间单元;所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
- 根据权利要求12-15任一项所述的设备,其特征在于,还包括:处理模块,用于根据上行缓冲区的数据,确定第一信道接入优先等级;接收模块,用于接收所述网络设备发送的第二信道接入优先等级;所述处理模块,还用于根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程;所述处理模块,还用于根据所述信道接入过程对应的信道检测参数,检测信道是否空闲。
- 根据权利要求16所述的设备,其特征在于,所述处理模块,具体用于:当所述第一信道接入优先等级小于所述第二信道接入优先等级时,确定使用的信道接入过程为第一信道接入过程,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程;或者,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,确定使用的信道接入过程为所述第一信道接入过程,当所述第一信道接入优先等级小于所述第二信道接入优先等级时,确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程。
- 根据权利要求12-15任一项所述的设备,其特征在于,还包括:接收模块,用于接收所述网络设备发送的第二信道接入优先等级;处理模块,用于从所述上行缓冲区的数据中确定所述第二信道接入优先等级对应的待传输数据的数据量;所述处理模块,还用于当所述第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,所述第一数据包括所述第二信道接入优先等级对应的待传输数据和所述第一信息。
- 一种网络设备,其特征在于,包括:接收模块,用于接收终端设备发送的第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;所述接收模块,还用于接收所述终端设备发送的所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
- 根据权利要求19所述的设备,其特征在于,所述时间指示和所述第一信息通过第一资源接收。
- 根据权利要求19所述的设备,其特征在于,所述第一信息通过第一资源接收;所述时间指示通过第二资源接收,所述第一资源与所述第二资源在时域和/或频域上不重叠。
- 根据权利要求19-21任一项所述的设备,其特征在于,所述时间指示包括以 下内容中的至少一个:所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
- 一种终端设备,其特征在于,包括:处理器、存储器和收发器,所述存储器用于存储指令,所述收发器用于和其他设备通信,所述处理器用于执行所述存储器中存储的指令,以使终端设备执行如下所述方法:向网络设备发送第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;向所述网络设备发送所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
- 根据权利要求23所述的设备,其特征在于,所述处理器还用于:根据上行缓冲区的数据,确定第一信道接入优先等级;接收所述网络设备发送的第二信道接入优先等级;根据所述第一信道接入优先等级和所述第二信道接入优先等级,确定使用的信道接入过程;根据所述信道接入过程对应的信道检测参数,检测信道是否空闲。
- 根据权利要求24所述的设备,其特征在于,所述处理具体用于:当所述第一信道接入优先等级小于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第一信道接入过程,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程;或者,当所述第一信道接入优先等级大于或等于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为所述第一信道接入过程,当所述第一信道接入优先等级小于所述第二信道接入优先等级时,所述终端设备确定使用的信道接入过程为第二信道接入过程,其中,所述第一信道接入过程为基于回退的信道检测过程,所述第二信道接入过程为基于固定时长的信道检测过程。
- 根据权利要求23所述的设备,其特征在于,所述处理器还用于:接收所述网络设备发送的第二信道接入优先等级;从所述上行缓冲区的数据中确定所述第二信道接入优先等级对应的待传输数据的数据量;当所述第二信道接入优先等级对应的待传输数据的数据量大于或等于预设的第一门限时,生成第一数据,所述第一数据包括所述第二信道接入优先等级对应的待传输数据和所述第一信息。
- 一种网络设备,其特征在于,包括:处理器、存储器和收发器,所述存储器 用于存储指令,所述收发器用于和其他设备通信,所述处理器用于执行所述存储器中存储的指令,以使所述网络设备执行如下所述方法:网络设备接收终端设备发送的第一信息,所述第一信息包括缓冲区状态报告BSR和/或功率余量报告PHR;所述网络设备接收所述终端设备发送的所述第一信息的时间指示,所述时间指示用于指示所述第一信息的生成时间和/或初传时间。
- 根据权利要求23-26任一项所述的终端设备或权利要求27所述的网络设备,其特征在于,所述时间指示包括以下内容中的至少一个:所述第一信息的传输次数,所述第一信息的传输次数为所述终端设备发送所述第一信息的次数;所述第一信息的初传时间单元的标识,所述初传时间单元为所述终端设备第一次发送所述第一信息的时间单元;所述第一信息的生成时间单元的标识,所述生成时间单元为所述终端设备生成所述第一信息的时间单元。
- 一种计算机可读存储介质,应用在终端设备中,其特征在于,所述计算机可读存储介质存储有指令,当所述指令被计算装置执行时,使得所述终端设备执行如权利要求1-7任一项所述的方法。
- 一种计算机可读存储介质,应用在网络设备中,其特征在于,所述计算机可读存储介质存储有指令,当所述指令被计算装置执行时,使得所述网络设备执行如权利要求8-11任一项所述的方法。
- 一种计算机程序产品,应用在终端设备中,其特征在于,所述计算机程序产品包括指令,当所述指令被计算装置执行时,使得所述终端设备执行如权利要求1-7任一项所述的方法。
- 一种计算机程序产品,应用在网络设备中,其特征在于,所述计算机程序产品包括指令,当所述指令被计算装置执行时,使得所述网络设备执行如权利要求8-11任一项所述的方法。
- 一种芯片系统,应用在终端设备中,其特征在于,包括:至少一个处理器,所述至少一个处理器用于执行存储的指令,以使得所述终端设备执行如权利要求1-7任一项所述的方法。
- 一种芯片系统,应用在网络设备中,其特征在于,包括:至少一个处理器,所述至少一个处理器用于执行存储的指令,以使得所述网络设备执行如权利要求8-11任一项所述的方法。
- 一种通信系统,其特征在于,包括:终端设备和网络设备,所述终端设备用于执行如权利要求1-7任一项所述的方法,所述网络设备用于执行如权利要求8-11任一项所述的方法。
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JP2021508186A (ja) * | 2017-11-01 | 2021-02-25 | オッポ広東移動通信有限公司Guangdong Oppo Mobile Telecommunications Corp., Ltd. | バッファ状態レポートの報告方法、ユーザー機器およびコンピュータ記憶媒体 |
GB2606015A (en) * | 2021-04-22 | 2022-10-26 | Canon Kk | Method and apparatus for managing low latency data transmission in a wireless network |
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EP3684130A4 (en) | 2020-10-07 |
US10986651B2 (en) | 2021-04-20 |
CN109587818A (zh) | 2019-04-05 |
EP3684130A1 (en) | 2020-07-22 |
CN109587818B (zh) | 2021-03-23 |
EP3684130B1 (en) | 2023-11-29 |
US20200229212A1 (en) | 2020-07-16 |
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