WO2018094652A1 - 一种数据传输方法和装置 - Google Patents

一种数据传输方法和装置 Download PDF

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Publication number
WO2018094652A1
WO2018094652A1 PCT/CN2016/107120 CN2016107120W WO2018094652A1 WO 2018094652 A1 WO2018094652 A1 WO 2018094652A1 CN 2016107120 W CN2016107120 W CN 2016107120W WO 2018094652 A1 WO2018094652 A1 WO 2018094652A1
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Prior art keywords
channel occupation
radio frame
uplink
occupation interval
subframe
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PCT/CN2016/107120
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English (en)
French (fr)
Inventor
胡磊
李振宇
李汉涛
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华为技术有限公司
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Priority to PCT/CN2016/107120 priority Critical patent/WO2018094652A1/zh
Publication of WO2018094652A1 publication Critical patent/WO2018094652A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/04Scheduled access

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data transmission method and apparatus.
  • LAA-LTE Licensed-Assisted Access Using Long Term Evolution
  • Listening to Talk is a coexistence strategy between systems.
  • the characteristics of LBT are: Before each communication device sends a signal on a certain channel, it needs to detect whether the current channel is idle. If so, the communication device can send Signal, if not, the communication device is currently unable to transmit signals, therefore, based on the LBT rule, the data transmission of the LTE device in the license-free spectrum is opportunistic. After the opportunistic occupation of the unlicensed spectrum, the specific service data direction of the corresponding radio subframe in the channel occupation time window is flexible, that is, the downlink subframe that can serve the downlink transmission or the uplink subframe of the uplink transmission service. frame.
  • the user equipment In order to perform uplink data transmission, the user equipment needs to first report a scheduling request (SR) to the base station, and the base station performs uplink authorization on the user equipment based on the received SR information, and the user equipment can perform uplink data transmission after receiving the authorization information. Therefore, the user equipment finds the SR time position that can be aligned with the base station as soon as possible, and reports the SR is a prerequisite for ensuring uplink data transmission efficiency between the base station and the user equipment.
  • SR scheduling request
  • the embodiment of the present invention provides a data transmission method and apparatus, which are used to solve the problem that the location time of the periodic SR that is not in the unlicensed spectrum usage scenario is difficult to accurately fall into the available channel occupation time window of the uplink channel, resulting in failure to transmit.
  • Uplink data affects the efficiency of uplink data transmission.
  • a method of data transmission comprising:
  • the position of the transmission time of the scheduling request determined in the unlicensed spectrum usage scenario can be accurately dropped into the available channel occupation time window of the uplink channel, the reporting probability of the scheduling request is increased, the uplink data transmission efficiency is improved, and the uplink capacity of the system is improved.
  • the system radio frame number corresponding to the channel occupation interval on the unlicensed spectrum and the uplink-downlink subframe ratio of the channel occupation interval including:
  • determining, according to the system radio frame number corresponding to the channel occupation interval and the uplink-downlink subframe ratio of the channel occupation interval determining a transmission time of the scheduling request in the channel occupation interval, including:
  • determining, according to the system radio frame number corresponding to the channel occupation interval and the uplink-downlink subframe ratio of the channel occupation interval determining an uplink subroutine where the scheduling request is sent in the channel occupation interval Frames, including:
  • the uplink subframe in the channel occupation interval is determined as a subframe in which the reporting time of the scheduling request in the channel occupation interval is located.
  • the reporting time of the scheduling request in the radio frame corresponding to the system radio frame number cannot correspond to the uplink transmission part of the channel occupation interval, the reporting time of the scheduling request in the channel occupation interval is re-determined, and the scheduling request is avoided. Unable to report, seriously affecting the efficiency of data transmission.
  • the method further includes:
  • the scheduling in the radio frame corresponding to the system radio frame number is maintained.
  • the request for reporting is unchanged at the same time.
  • an apparatus for data transmission including:
  • a first determining unit configured to determine a system radio frame number corresponding to a channel occupation interval on the unlicensed spectrum and an uplink and downlink subframe ratio of the channel occupation interval;
  • a second determining unit configured to determine, according to the system radio frame number corresponding to the channel occupation interval and the uplink and downlink subframe ratio of the channel occupation interval, a sending moment of the scheduling request in the channel occupation interval.
  • the first determining unit is specifically configured to:
  • the second determining unit is specifically configured to:
  • the second determining unit is specifically configured to:
  • the uplink subframe in the channel occupation interval is determined as a subframe in which the reporting time of the scheduling request in the channel occupation interval is located.
  • the second determining unit is further configured to:
  • the scheduling in the radio frame corresponding to the system radio frame number is maintained.
  • the request for reporting is unchanged at the same time.
  • a data transmission method including:
  • the reporting time of the scheduling request corresponding to the channel occupation interval of the base station is configured
  • the base station sends the configured reporting time of the scheduling request corresponding to the channel occupation interval to the user equipment.
  • the base station pre-configures the reporting time of the corresponding scheduling request in the channel occupation interval, and causes the reporting time of the scheduling request to fall into the uplink transmission part of the channel occupation interval with a large probability, thereby improving the data transmission success rate and efficiency. Increase system uplink capacity.
  • determining a system radio frame number corresponding to a channel occupation interval on the unlicensed spectrum including:
  • Determining a start time of the channel occupation interval and determining, in a system radio frame, a radio frame that falls in the start time as a system radio frame number corresponding to the channel occupation interval.
  • a data transmission apparatus including:
  • a processing unit configured to configure a reporting time of the scheduling request corresponding to the channel occupation interval
  • a sending unit configured to send, to the user equipment, a reporting time of the scheduled scheduling request corresponding to the channel occupation interval.
  • an apparatus comprising a processor, a memory, a transmitter, and a receiver, wherein the memory stores a computer readable program, and the processor controls by running a program in the memory
  • the transmitter and receiver implement the data transmission method involved in the first aspect.
  • an apparatus comprising a processor, a memory and a receiver, wherein the memory stores a computer readable program, and the processor controls the receiving by running a program in the memory The method of implementing the data related to the third aspect of the tea.
  • a computer storage medium for storing computer software instructions for use with the controller of the first aspect described above, comprising a program designed to perform the method of control implementation described above.
  • the present application provides a computer storage medium for storing computer software instructions used by the base station in the foregoing third aspect, including a method for performing the foregoing implementation by a base station The program designed.
  • FIG. 1 is a flowchart of a data transmission method according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a process of determining a system radio frame number corresponding to a channel occupation interval according to an embodiment of the present invention
  • FIG. 3 and FIG. 4 are schematic diagrams of adjusting a new SR reporting position according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for updating a reporting time of a scheduling request according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a frame structure and a subframe structure of a channel occupied interval according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • the embodiment of the present invention provides a data transmission method and apparatus, which are used to solve the problem that the location time of the periodic SR that is not in the unlicensed spectrum usage scenario is difficult to accurately fall into the available channel occupation time window of the uplink channel, resulting in failure to transmit.
  • the uplink data affects the efficiency of the uplink data transmission.
  • the solution provided by the embodiment of the present invention can increase the success rate of the scheduling request on the unlicensed spectrum under the premise of ensuring good coexistence between the systems, thereby improving the relationship between the base station and the user equipment.
  • the efficiency of uplink data transmission increases the uplink capacity of the system.
  • the solution provided by the embodiment of the present invention is applied to a wireless communication system, and is particularly applicable to a licensed spectrum.
  • the LTE system that assists access is a LAA-LTE (licensed-assisted access-LTE) system.
  • the LTE system that permits spectrum-assisted access refers to an LTE system that uses licensed spectrum and unlicensed spectrum together by CA or non-CA.
  • the mainstream deployment scenario is a scenario in which the licensed spectrum and the unlicensed spectrum are jointly used by the CA, that is, the licensed spectrum, or the carrier included in the licensed spectrum, or the cell operating on the licensed spectrum as the primary serving cell, and the license-free spectrum,
  • the carrier included in the unlicensed spectrum or the cell operating on the unlicensed spectrum serves as the secondary serving cell.
  • the primary serving cell and the secondary serving cell may be deployed in a common station or in a non-common station, and there is an ideal or non-ideal backhaul path between the two serving cells.
  • the embodiment of the present invention is not limited to the scenario of the foregoing CA.
  • Other deployment scenarios include a stand-alone spectrum (standalone) scenario, that is, a scenario where the license-free operation is performed as an independent carrier, and the serving cell on the license-free spectrum is directly An independent access function can be provided without the assistance of a cell operating on the licensed spectrum.
  • the LTE/LTE-A system is taken as an example, but the present invention is not limited to the LTE system, and is also applicable to the WiFi, that is, the global interoperability for microwave access (WiMAX).
  • WiMAX Wideband code division multiple access
  • TD-SCDMA time division-synchronous code division multiple access
  • GSM global system for mobile communication
  • Zigbee Zigbee Protocol
  • Bluetooth Bluetooth and other wireless communication systems.
  • the licensed spectrum or the unlicensed spectrum may include one or more carriers
  • the licensed spectrum and the unlicensed spectrum are subjected to carrier aggregation, and may include one or more carriers included in the licensed spectrum and the unlicensed spectrum.
  • Carrier aggregation is performed on one or more carriers included.
  • the network element involved in the embodiment of the present invention mainly includes a base station (or an access point) and a user equipment working on the unlicensed spectrum.
  • the cell in the embodiment of the present invention may be a cell corresponding to the base station, and the cell may belong to the macro base station, or may belong to the base station corresponding to the small cell, where the small cell may include: a metro cell, Micro cell, pico cell, femto cell, etc., these small cells have small coverage and transmit power Low feature, suitable for providing high-speed data transmission services.
  • the concept of the carrier and the cell in the LTE system is the same.
  • the UE accesses one carrier and accesses one cell, which is equivalent to the concept of the cell in the embodiment of the present invention.
  • the communication device capable of performing data communication with the base station can be regarded as a user equipment, such as a terminal, a relay, etc., and is described in a general sense by the UE in the embodiment of the present invention. Similar to this, it is not listed here.
  • FIG. 1 A data transmission method provided by an embodiment of the present invention is shown in FIG. 1 , and the method includes:
  • Step 11 The first device determines a system radio frame number corresponding to a channel occupation interval on the unlicensed spectrum and an uplink-downlink subframe ratio of the channel occupation interval.
  • the first device may be a base station or a user equipment.
  • determining the system radio frame number corresponding to the channel occupation interval on the unlicensed spectrum and the uplink-downlink subframe ratio of the channel occupation interval may be implemented by the following process:
  • S111 Determine a start time of the channel occupation interval.
  • S112 Determine, in the system radio frame, a radio frame number of the radio frame into which the start time falls, as a system radio frame number corresponding to the channel occupation interval.
  • S113 Determine a subframe boundary, a subframe number, and a number of subframes of the channel occupation interval, where a subframe boundary of the channel occupation interval is aligned with a subframe boundary of the system radio frame.
  • S114 Determine, according to the number of subframes in the channel occupation interval and the uplink and downlink transmission time of the channel occupation interval, the uplink and downlink subframe ratio of the channel occupation interval, where the uplink and downlink transmission time of the channel occupation interval is the network side Pre-configured when the channel is occupied.
  • the subframe structure can be divided for the channel occupation time on the unlicensed spectrum. Since the subframe boundary of the channel occupation interval is aligned with the subframe boundary of the system radio frame, the first subframe of the channel occupation interval is That is, the subframe boundary of the subframe #0 whose subframe number is 0 is incomplete, and the subsequent subframe length of the channel occupation interval is the same as the subframe length of the system radio frame until the end of the channel occupation interval.
  • Step 12 Determine a transmission time of the scheduling request in the channel occupation interval according to the system radio frame number corresponding to the channel occupation interval and the uplink-downlink subframe ratio of the channel occupation interval.
  • the following process when determining the sending time of the scheduling request in the channel occupation interval according to the system radio frame number corresponding to the channel occupation interval and the uplink and downlink subframe ratio of the channel occupation interval, the following process may be implemented:
  • S121 Determine an uplink subframe of the channel occupation interval according to an uplink and downlink subframe ratio of the channel occupation interval.
  • S122 Determine an uplink subframe in which the scheduling request is sent in the channel occupation interval according to the system radio frame number corresponding to the channel occupation interval and the uplink-downlink subframe ratio of the channel occupation interval.
  • step 12 before the step 12 is performed, that is, according to the system radio frame number corresponding to the channel occupation interval and the uplink and downlink subframe ratio of the channel occupation interval, before the sending time of the scheduling request in the channel occupation interval is determined, It is further required to: determine that the subframe in which the reporting time of the scheduling request in the radio frame corresponding to the radio frame number is located cannot correspond to the uplink subframe of the channel occupation interval.
  • the wireless corresponding to the system radio frame number is maintained.
  • the reporting time of the scheduling request in the frame does not change.
  • the base station of the LAA system performing CCA on the unlicensed spectrum, detecting that the channel on the unlicensed spectrum is idle, and occupying the channel, first determining the system radio frame number corresponding to the occupied area of the channel, as shown in FIG. 2 Shown.
  • the radio frame is the system radio frame number corresponding to the channel occupation interval.
  • the system radio frame number corresponding to the channel occupation interval is the radio frame N-1.
  • the channel occupation interval is aligned according to the subframe boundary of the system radio frame, and the subframes of the channel occupation interval are numbered from the small frame to the large frame to obtain the subframe structure of the channel occupation interval. , that is, the incomplete subframe before the first subframe boundary is encoded as subframe #0, The subsequent occupation time is divided by the number from the sub-frame #1 of the alignment system wireless sub-frame boundary until the current channel occupies the burst tail. And determining, according to the subframe structure of the channel occupation interval and the uplink and downlink transmission time of the channel occupation interval, determining an uplink and downlink subframe ratio of the channel occupation interval.
  • the minimum subframe number is obtained from all the obtained SR reporting times, which is defined as the SR initial report message in the radio frame.
  • the frame is obtained by using a subframe that belongs to the same radio frame before the earliest reported subframe as a starting subframe for calculating an offset position.
  • the obtained SR reporting time points are sequentially numbered in order of the relative starting point subframe time.
  • the number of the largest uplink subframes required is obtained, and the number of uplink subframes to be used in the current channel occupation interval is adjusted by using the number information. a number, thereby updating the reporting time of the scheduling request in the radio frame in the channel occupation interval
  • the base station initially informs the uplink and downlink subframe configuration in the current channel occupation interval of the user equipment by using the downlink transmission, so that the base station and the user equipment can report the time points according to the determined SRs.
  • the number is associated with the location of the uplink subframe in the channel occupation interval, and the new SR reporting position in the channel occupation interval is obtained, and the user equipment reports the SR at the new location.
  • TDD-LTE is adopted, and subframe configuration 1 is adopted.
  • the reporting position of four SRs in the radio frame N where the channel occupancy interval starts is updated, and the uplink occupies 4 subframes, and the subframe is taken.
  • 1 is the starting subframe
  • the four uplink subframes #2, #3, #7, and #8 are sequentially numbered as position 1, position 2, position 3, and position 4, and the relationship in the positive order is used in the channel occupation burst.
  • Position 1 is on subframe #6 of the channel occupation burst
  • position 2 is on subframe #7 of the channel occupation burst
  • position 3 is on subframe #8 of the channel occupation burst
  • position 4 is on the subframe occupying burst of the channel # 9 on.
  • the uplink occupied portion of the channel occupation interval is limited. For example, in the case of a maximum of one uplink subframe, the reporting location resource concentration of each SR can be adjusted to one uplink subframe. Above, as shown in Figure 4.
  • the embodiment of the invention further provides a data transmission method, as shown in FIG. 5, the method includes:
  • Step 51 The base station determines a system radio frame number corresponding to a channel occupation interval on the unlicensed spectrum.
  • Step 52 The base station configures the reporting time of the scheduling request corresponding to the channel occupation interval, and sends the configured reporting time of the scheduling request corresponding to the channel occupation interval to the user equipment.
  • Step 53 The user equipment updates the reporting time of the scheduling request in the system radio frame number corresponding to the channel occupation interval to the reporting time of the scheduling request corresponding to the configured channel occupation interval.
  • the frame structure and the subframe structure need to be designed for the channel occupied interval.
  • the channel occupied burst reference system frame mode is independently numbered.
  • the first occupation starts, numbered as burst frame #0, followed by burst frame #1, ..., burst frame #N, 1024 is its frame period.
  • the channel occupying the burst frame number and the subframe number in the burst are used as the time domain input of the SR calculation, and a relatively periodic SR reporting time configuration is established on the burst.
  • the reporting time of the scheduling request corresponding to the channel occupation interval configured by the base station may be sent by the user when the user accesses, or the user equipment is notified by the downlink part when each channel is occupied, and the SR position of the base station and the user equipment is aligned.
  • the delivery mode includes but is not limited to RRC signaling, MAC signaling, and DCI indication.
  • the reporting time of the scheduling request in the system radio frame number corresponding to the channel occupation interval is updated to the reporting time of the scheduling request corresponding to the channel occupation interval, and the execution time needs to be performed. And determining that the reporting time of the scheduling request in the system radio frame number corresponding to the channel occupation interval cannot correspond to the uplink transmission part of the channel occupation interval.
  • the system radio frame number corresponding to the channel occupation interval is maintained. The reporting time of the scheduling request does not change.
  • the user equipment side actively performs a short CCA at the latest reporting opportunity to try Report the opportunity to the channel and report the SR.
  • FIG. 7 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention, which is used to execute the data transmission method flow shown in FIG. 1 .
  • the data transmission apparatus 700 includes:
  • a first determining unit 701 configured to determine a system radio frame number corresponding to a channel occupation interval on the unlicensed spectrum and an uplink and downlink subframe ratio of the channel occupation interval;
  • the second determining unit 702 is configured to determine, according to the system radio frame number corresponding to the channel occupation interval and the uplink and downlink subframe ratio of the channel occupation interval, a transmission time of the scheduling request in the channel occupation interval.
  • the first determining unit 701 is specifically configured to:
  • the second determining unit 702 is specifically configured to:
  • the second determining unit 702 is specifically configured to:
  • the uplink subframe in the channel occupation interval is determined as a subframe in which the reporting time of the scheduling request in the channel occupation interval is located.
  • the second determining unit 702 is further configured to:
  • the scheduling in the radio frame corresponding to the system radio frame number is maintained.
  • the request for reporting is unchanged at the same time.
  • each unit in the above data transmission device 700 is only a division of a logical function, and may be integrated into one physical entity in whole or in part, or may be physically separated.
  • each of the above units may be a separately set processing element, or may be integrated in a chip of a base station or a terminal, or may be stored in a storage code of a base station or a terminal in the form of program code, by a base station or a terminal.
  • One of the processing elements invokes and performs the functions of each of the above units.
  • the individual units can be integrated or implemented independently.
  • the processing elements described herein can be an integrated circuit chip with signal processing capabilities.
  • each step of the above method or each of the above units may be completed by an integrated logic circuit of hardware in the processor element or an instruction in a form of software.
  • the processing element may be a general-purpose processor, such as a central processing unit (CPU), or may be one or more integrated circuits configured to implement the above method, for example, one or more specific integrated circuits (Application Specific) Integrated Circuit (ASIC), or one or more digital singal processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
  • ASIC Application Specific
  • DSPs digital singal processors
  • FPGAs Field Programmable Gate Arrays
  • FIG. 8 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention, which is used to execute the data transmission method process shown in FIG. 1 .
  • the device 800 includes: a processor. 801, memory 802, transmitter 803, receiver 804, program code for carrying out the inventive solution is stored in memory 802, and is controlled by processor 801 for execution.
  • the program stored in the memory 802 is used by the instruction processor 801 to perform a data transmission method, including: Determining a system radio frame number corresponding to a channel occupation interval on the unlicensed spectrum and an uplink-downlink subframe ratio of the channel occupation interval; and determining, according to the system radio frame number corresponding to the channel occupation interval, an uplink and downlink of the channel occupation interval The subframe ratio determines the transmission timing of the scheduling request in the channel occupation interval.
  • the processor 801 is specifically configured to:
  • the processor 801 is specifically configured to:
  • the processor 801 is specifically configured to:
  • the uplink subframe in the channel occupation interval is determined as a subframe in which the reporting time of the scheduling request in the channel occupation interval is located.
  • the processor 801 is further configured to: when the subframe where the reporting time of the scheduling request in the radio frame corresponding to the system radio frame number is located can be corresponding to the uplink subframe of the channel occupation interval, The reporting time of the scheduling request in the radio frame corresponding to the system radio frame number does not change.
  • the device 800 of this embodiment can be used to implement the foregoing method embodiments.
  • the second base station refer to the description of the method for performing the second base station in the foregoing method embodiment, and details are not described herein again.
  • the processor involved in the foregoing apparatus 800 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more.
  • One or more memories included in the computer system which may be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM) or Other types of dynamic storage devices that store information and instructions may also be disk storage. These memories are connected to the processor via a bus.
  • the receiver and transmitter can perform their functions through a transceiver, which can be a physical module capable of transceiving functions to communicate with other devices or communication networks.
  • a memory such as a RAM, holds an operating system and a program for executing the inventive scheme.
  • the operating system is a program that controls the running of other programs and manages system resources.
  • These memories, transmitters and receivers can be connected to the processor via a bus or can also be connected to the processor via dedicated connection lines.
  • the code corresponding to the method shown below is solidified into the chip, so that the chip can perform the method shown in FIG. 1 while it is running.
  • How to design and program the processor is a technique well known to those skilled in the art, and details are not described herein.
  • FIG. 9 is a schematic structural diagram of another data transmission apparatus according to an embodiment of the present invention, for performing the execution flow of a base station in the data transmission method shown in FIG. 5, as shown in FIG. Apparatus 900 includes:
  • the processing unit 901 is configured to configure a reporting time of the scheduling request corresponding to the channel occupation interval,
  • the sending unit 902 is configured to send the reporting time of the scheduled scheduling request corresponding to the channel occupation interval to the user equipment.
  • the embodiment of the present invention further provides a network device 1000, which is used to perform the execution process of the base station in the foregoing data transmission method embodiment of FIG. 5, as shown in FIG.
  • the device 1000 includes a processor 1001, a memory 1002, a receiver 1004, and a transmitter 1003.
  • the program code for executing the solution of the present invention is stored in the memory 1002 for instructing the processor 1001 to cooperate with the receiver 1004 and the transmitter 1003.
  • FIG. 1 These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.

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Abstract

一种数据传输方法和装置,该方法为,确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻,这样能够确保免许可频谱使用场景下确定的调度请求的发送时刻位置点准确落入上行信道可用的信道占用时间窗里,提高上行数据传输效率。

Description

一种数据传输方法和装置 技术领域
本发明涉及通信技术领域,尤其涉及一种数据传输方法和装置。
背景技术
目前,免许可(unlicensed,也称为未授权)频谱资源要大于许可(licensed,也称为授权)频谱资源,因此,将长期演进(long term evolution,LTE)用户设备(User Equipment,UE)应用在免许可频谱,不仅可以有效利用免许可频谱资源,还可以提供更为有效的无线接入、满足日益增长的移动宽带服务的需求。例如,许可辅助接入长期演进(Licensed-Assisted Access Using Long Term Evolution,LAA-LTE)***,不仅可以有效利用免许可频谱,还可以提供更为有效的无线接入、满足日益增长移动宽带服务需求。
LTE***使用免许可频谱资源时,需要遵从各地对免许可频谱使用制度的规范。
先听后说(Listen Before Talk,LBT)是***间的共存策略,LBT的特点为:每个通信设备在某个信道上发送信号之前,需要先检测当前信道是否空闲,若是,通信设备可发送信号,若否,通信设备当前无法发送信号,因此,基于LBT规则,LTE设备在免许可频谱的数据传输是机会性的。在机会性占用免许可频谱后,信道占用时间窗内对应的无线子帧具体的服务数据方向是灵活可变的,即可以为下行传输服务的下行子帧,也可以为上行传输服务的上行子帧。
为了进行上行数据传输,用户设备需要首先上报调度请求(Scheduling Request,SR)给基站,基站基于接收到的SR信息,给用户设备进行上行授权,用户设备在接收到授权信息后方可进行上行数据传输,因此,用户设备在需要上行数传时尽快找到可以和基站对齐的SR时刻位置并上报SR是保证基站和用户设备间上行数据传输效率的前提条件。
由于在免许可频谱的信道使用是机会性的,因此,在上行信道可用的信道占用时间窗里,很难保证既有的周期性SR的时刻位置点落入,进而无法传输上行数据,严重影响基站和用户设备之间上行数据传输效率。
发明内容
本发明实施例提供一种数据传输方法和装置,用以解决免许可频谱使用场景下既有的周期性SR的发送时刻位置点难以准确落入上行信道可用的信道占用时间窗里,导致无法传输上行数据,影响上行数据传输效率的问题。
第一方面,提供一种数据传输的方法,包括:
确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;
根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
这样,这样能够确保免许可频谱使用场景下确定的调度请求的发送时刻位置点准确落入上行信道可用的信道占用时间窗里,提高调度请求的上报几率,提高上行数据传输效率,提升***上行容量。
一种可能的设计中,所述确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,包括:
确定所述信道占用区间的开始时刻;
在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号;
确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐;
基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
一种可能的设计中,根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内调度请求的发送时刻,包括:
根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上行子帧;
根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
这种设计中,能够确保信道占用区间内的调度请求的发送时刻落在上行传输部分,从而提升数据传输效率和成功率。
一种可能的设计中,根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧,包括:
确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧;
将所述信道占用区间内的上行子帧确定为所述信道占用区间内的调度请求的上报时刻所在的子帧。
这种设计中,在***无线帧号对应的无线帧内的调度请求的上报时刻不能够对应到信道占用区间的上行传输部分时,重新确定信道占用区间内的调度请求的上报时刻,避免调度请求无法上报,严重影响数据传输效率的问题。
一种可能的设计中,所述方法还包括:
确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
第二方面,提供一种数据传输的装置,包括:
第一确定单元,用于确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;
第二确定单元,用于根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
一种可能的设计中,所述第一确定单元具体用于:
确定所述信道占用区间的开始时刻;
在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号;
确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐;
基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
一种可能的设计中,所述第二确定单元具体用于:
根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上行子帧;
根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
一种可能的设计中,所述第二确定单元具体用于:
确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧;
将所述信道占用区间内的上行子帧确定为所述信道占用区间内的调度请求的上报时刻所在的子帧。
一种可能的设计中,所述第二确定单元还用于:
确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
第三方面,提供一种数据传输方法,包括:
基站配置信道占用区间对应的调度请求的上报时刻;
所述基站将配置的所述信道占用区间对应的调度请求的上报时刻发送给用户设备。
这种设计中,基站预先配置好信道占用区间内对应的调度请求的上报时刻,以较大几率使调度请求的上报时刻落入信道占用区间的上行传输部分,从而提升数据传输成功率和效率,提升***上行容量。
一种可能的设计中,确定免许可频谱上的信道占用区间对应的***无线帧号,包括:
确定所述信道占用区间的开始时刻,在***无线帧内,将所述开始时刻所落入的无线帧确定为所述信道占用区间对应的***无线帧号。
第四方面,提供一种数据传输装置,包括:
处理单元,用于配置信道占用区间对应的调度请求的上报时刻;
发送单元,用于将配置的所述信道占用区间对应的调度请求的上报时刻发送给用户设备。
第五方面,提供一种设备,该设备包括处理器、存储器、发射器和接收器,其中,所述存储器中存有计算机可读程序,所述处理器通过运行所述存储器中的程序,控制所述发射器和接收器,实现第一方面涉及的数据传输方法。
第六方面,提供一种设备,该设备包括处理器、存储器和接收器,其中,所述存储器中存有计算机可读程序,所述处理器通过运行所述存储器中的程序,控制所述接收器,实现第三方面涉及的数据茶隼胡方法。
第七方面,提供一种计算机存储介质,用于储存为上述第一方面所述的控制器所用的计算机软件指令,其包含用于执行上述由控制实现的方法所设计的程序。
第八方面,本申请提供一种计算机存储介质,用于储存为上述第三方面、所述的基站所用的计算机软件指令,其包含用于执行上述由基站实现的方法 所设计的程序。
附图说明
图1为本发明实施例中的数据传输方法流程图;
图2为本发明实施例中确定信道占用区间对应的***无线帧号过程示意图;
图3和图4为本发明实施例中新的SR上报位置的调整示意图;
图5为本发明实施例中的调度请求的上报时刻的更新方法流程图;
图6为本发明实施例中信道占用区间帧结构和子帧结构示意图;
图7为本发明实施例中数据传输装置结构示意图;
图8为本发明实施例中数据传输设备结构示意图;
图9为本发明实施例中数据传输装置结构示意图;
图10为本发明实施例中网络设备结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例提供一种数据传输方法和装置,用以解决免许可频谱使用场景下既有的周期性SR的发送时刻位置点难以准确落入上行信道可用的信道占用时间窗里,导致无法传输上行数据,影响上行数据传输效率的问题,本发明实施例提供的方案在保证***间良好共存的前提下,能够增加免许可频谱上的调度请求的上报成功率,从而提高基站和用户设备之间上行数据传输的效率,提升***上行容量。
本发明实施例提供的方案应用于无线通信***,尤其适用于许可频谱辅 助接入的LTE***,即LAA-LTE(licensed-assisted access-LTE)***。许可频谱辅助接入的LTE***是指将许可频谱和免许可频谱通过CA或者非CA的方式在一起使用的LTE***。具体的:主流部署场景是将许可频谱和免许可频谱通过CA联合使用的场景,即许可频谱、或许可频谱包括的载波、或工作在许可频谱上的小区作为主服务小区,将免许可频谱、或免许可频谱包括的载波、或工作在免许可频谱上的小区作为辅服务小区。其中主服务小区和辅服务小区可以共站部署,也可以是非共站部署,两个服务小区之间有理想或者非理想的回传路径。
但本发明实施例也不限于上述CA的场景,其他部署场景,还包括免许可频谱独立使用(standalone)的场景,即免许可作为独立的载波工作的场景,在免许可频谱上的服务小区直接可以提供独立接入功能,不需要通过工作在许可频谱上小区的辅助。
本发明实施例中均以LTE/LTE-A***为例进行说明的,但本发明不限于应用于LTE***,同样适用于WiFi,即全球微波互联接入(worldwide interoperability for microwave access,WiMAX),宽带码分多址(wideband code division multiple access,WCDMA),时分同步的码分多址(time division-synchronous code division multiple Access,TD-SCDMA),全球移动通信***(global system for mobile communication,GSM),Zigbee(紫蜂协议),蓝牙等其他无线通信***。
本发明实施例中,无论是许可频谱,还是免许可频谱,都可以包括一个或多个载波,许可频谱和免许可频谱进行载波聚合,可以包括许可频谱包括的一个或多个载波与免许可频谱包括的一个或多个载波进行载波聚合。
本发明实施例涉及到的网元主要包括工作在免许可频谱上的基站(或者接入点)和用户设备。本发明实施例中的小区可以是基站对应的小区,该小区可以归属于宏基站,也可以归属于小小区(small cell)对应的基站,这里的小小区可以包括:城市小区(metro cell)、微小区(micro cell)、微微小区(pico cell)、毫微微小区(femto cell)等,这些小小区具有覆盖范围小、发射功率 低的特点,适用于提供高速率的数据传输服务。本发明实施例中,LTE***中的载波与小区的概念等同,比如UE接入一个载波和接入一个小区是等同的,本发明实施例中将统一以小区的概念来介绍。
本发明实施例中,能够与基站可以进行数据通信的通信设备都可以看为用户设备,如终端、中继(relay)等,本发明实施例中以一般意义上的UE来进行说明,其他情况与此类似,此处不再一一列举。
下面结合说明书附图对本发明实施例作进一步详细描述。应当理解,此处所描述的实施例仅用于说明和解释本发明,并不用于限定本发明。
本发明实施例提供的一种数据传输方法,如图1所示,该方法包括:
步骤11:第一设备确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比。
在实施中,所述第一设备可以是基站,也可以是用户设备。
具体的,确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,可以通过以下过程实现:
S111:确定所述信道占用区间的开始时刻。
S112:在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号。
S113:确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐。
S114:基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
通过上述过程,能够针对免许可频谱上的信道占用时间划分子帧结构,由于该信道占用区间的子帧边界与***无线帧的子帧边界对齐,因此,该信道占用区间的第一个子帧即子帧编号为0的子帧#0的子帧边界不完整,该信道占用区间的后续子帧长度与***无线帧的子帧长度相同,直到该信道占用区间的尾部。
步骤12:根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
具体的,根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内调度请求的发送时刻时,可以通过以下过程实现:
S121:根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上行子帧。
S122:根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
可选的,在执行步骤12之前,即根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻之前,还需要执行:确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧。
进一步的,若确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
举例说明,对于LAA***的基站,在免许可频谱上进行CCA,检测到免许可频谱上的信道空闲,并占用该信道后,先确定该信道占用区间对应的***无线帧号,具体如图2所示。
由于信道占用区间(burst)的开始时刻相对该开始时刻之前最近的无线子帧#0,并不超过10ms的向后偏移,由于无线帧的长度为10ms,因此将所述开始时刻所落入的无线帧作为该信道占用区间对应的***无线帧号,图2中,该信道占用区间对应的***无线帧号为无线帧N-1。
进一步的,将该信道占用区间按照***无线帧的子帧边界进行对齐,并针对所述信道占用区间的子帧从子帧0开始从小到大进行编号,得到所述信道占用区间的子帧结构,即将第一个子帧边界前的不完整子帧编为子帧#0, 后续占用时间按对齐***无线子帧边界的从子帧#1开始编号划分,直到本次信道占用burst尾部。基于所述信道占用区间的子帧结构和所述信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比。
根据该信道占用区间对应的***无线帧号,得到在此无线帧内需要上报SR的全部机会时刻,将所有得到的SR上报时刻中取出最小子帧号,定义为该无线帧内SR最早上报子帧,取用该最早上报子帧前的且属于同一个无线帧内的子帧作为计算偏移位置的起点子帧。
将得到的各SR上报时刻点按相对起点子帧时刻的先后进行按序编号。
同时,根据获取的上述无线帧内SR上报的哪几个时刻点,从而得到需要的最大上行子帧个数,使用此个数信息来调整本次信道占用区间中需使用的上行子帧的个数,从而将该无线帧内的调度请求的上报时刻在所述信道占用区间进行更新
需要说明的是,在信道占用区间内,基站会在信道占用初始通过下行传输告知用户设备当前信道占用区间内的上下行子帧配置,从而基站和用户设备都能根据确定的各SR上报时刻点的编号,和信道占用区间中上行子帧位置建立联系,获得信道占用区间中的新的SR上报位置,用户设备在此新位置上上报SR。
如图3所示,取用TDD-LTE,子帧配置1,信道占用区间起始时刻落入的无线帧N中有4个SR的上报位置需要更新,上行占用4个子帧,取子帧#1为起点子帧,则四个上行子帧#2、#3、#7、#8依次编号为位置1、位置2、位置3、位置4,在信道占用burst中采用按正序对应的关系,位置1在信道占用burst的子帧#6上,位置2在信道占用burst的子帧#7上,位置3在信道占用burst的子帧#8上,位置4在信道占用burst的子帧#9上。
更进一步的,可能某些因素的影响,导致信道占用区间的上行占用部分受限,比如最多一个上行子帧的情况下,基于上述方案,各SR的上报位置资源集中可调整到一个上行子帧上,如图4所示。
本发明实施例还提供一种数据传输方法,如图5所示,该方法包括:
步骤51:基站确定免许可频谱上的信道占用区间对应的***无线帧号。
步骤52:基站配置所述信道占用区间对应的调度请求的上报时刻,并将配置的所述信道占用区间对应的调度请求的上报时刻发送给用户设备。
步骤53:用户设备将所述信道占用区间对应的***无线帧号内的调度请求的上报时刻更新到配置的所述信道占用区间对应的调度请求的上报时刻。
具体的,基站确定免许可频谱上的信道占用区间对应的***无线帧号时,确定所述信道占用区间的开始时刻,在***无线帧内,将所述开始时刻所落入的无线帧确定为所述信道占用区间对应的***无线帧号。
具体的,基站配置所述信道占用区间对应的调度请求的上报时刻之前,需要针对信道占用区间设计帧结构和子帧结构,如图6所示,将信道占用burst参考***帧方式独立进行编号,从首次占用开始,编号为burst帧#0,依次burst帧#1,……,burst帧#N,1024为其帧周期。取用信道占用burst帧号和burst内的子帧号作为SR计算的时间域输入,在burst上建立一个相对周期性的SR上报时刻配置。
具体的,基站配置的所述信道占用区间对应的调度请求的上报时刻,可通过用户接入时下发,或在每次信道占用时通过下行部分告知用户设备,达到基站与用户设备的SR位置对齐,下发方式包括但不限于RRC信令、MAC信令、DCI指示。
可选的,在执行步骤53之前,即将所述信道占用区间对应的***无线帧号内的调度请求的上报时刻更新到配置的所述信道占用区间对应的调度请求的上报时刻之前,还需要执行:确定所述信道占用区间对应的***无线帧号内的调度请求的上报时刻不能对应到所述信道占用区间的上行传输部分。
进一步的,若确定所述信道占用区间对应的***无线帧号内的调度请求的上报时刻能够对应到所述信道占用区间的上行传输部分时,保持所述信道占用区间对应的***无线帧号内的调度请求的上报时刻不变。
可选的,如果用户设备有上行数据待发送,但SR超过阈值得不到上报机会,则在用户设备侧在最近的上报机会点主动进行一次short CCA,以尝试得 到信道占用机会,从而上报SR。
基于相同构思,图7为本发明实施例提供的一种数据传输装置的结构示意图,用于执行以上图1所示的数据传输方法流程,如图7所示,该数据传输装置700包括:
第一确定单元701,用于确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;
第二确定单元702,用于根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
可选的,所述第一确定单元701具体用于:
确定所述信道占用区间的开始时刻;
在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号;
确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐;
基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
可选的,所述第二确定单元702具体用于:
根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上行子帧;
根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
可选的,所述第二确定单元702具体用于:
确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧;
将所述信道占用区间内的上行子帧确定为所述信道占用区间内的调度请求的上报时刻所在的子帧。
可选的,所述第二确定单元702还用于:
确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
应理解以上数据传输装置700中的各个单元的划分仅仅是一种逻辑功能的划分,实际实现时可以全部或部分集成到一个物理实体上,也可以物理上分开。例如,以上各个单元可以为单独设立的处理元件,也可以集成在基站或终端的某一个芯片中实现,此外,也可以以程序代码的形式存储于基站或终端的存储元件中,由基站或终端的某一个处理元件调用并执行以上各个单元的功能。此外各个单元可以集成在一起,也可以独立实现。这里所述的处理元件可以是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤或以上各个单元可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。该处理元件可以是通用处理器,例如中央处理器(Central Processing Unit,CPU),还可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个特定集成电路(Application Specific Integrated Circuit,ASIC),或,一个或多个微处理器(digital singnal processor,DSP),或,一个或者多个现场可编程门阵列(Field Programmable Gate Array,FPGA)等。
需要说明的是,本发明实施例中的装置700的各个单元的功能实现以及交互方式可以进一步参照相关方法实施例的描述,在此不再赘述。
基于相同构思,图8为本发明实施例提供的一种传数据输设备的结构示意图,用于执行以上图1所示的数据传输方法流程,如图8所示,该设备800包括:处理器801,存储器802、发射器803,接收器804,执行本发明方案的程序代码保存在存储器802中,并由处理器801,来控制执行。
存储器802中存储的程序用于指令处理器801执行数据传输方法,包括: 确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
可选的,所述处理器801具体用于:
确定所述信道占用区间的开始时刻;
在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号;
确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐;
基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
可选的,所述处理器801具体用于:
根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上行子帧;
根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
可选的,所述处理器801具体用于:
确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧;
将所述信道占用区间内的上行子帧确定为所述信道占用区间内的调度请求的上报时刻所在的子帧。
可选的,所述处理器801还用于:确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
可以理解的是,本实施例的设备800可用于实现上述方法实施例中涉及 第二基站的所有功能,其具体实现过程可以参照上述方法实施例第二基站执行方法的相关描述,此处不再赘述。
可以理解的是,本发明实施例上述设备800中涉及的处理器可以是一个通用中央处理器(CPU),微处理器,特定应用集成电路application-specific integrated circuit(ASIC),或一个或多个用于控制本发明方案程序执行的集成电路。计算机***中包括的一个或多个存储器,可以是只读存储器read-only memory(ROM)或可存储静态信息和指令的其他类型的静态存储设备,随机存取存储器random access memory(RAM)或者可存储信息和指令的其他类型的动态存储设备,也可以是磁盘存储器。这些存储器通过总线与处理器相连接。
接收器和发射器可以通过收发器实现其功能,所述收发器可以是能够实现收发功能的实体模块,以便与其他设备或通信网络通信。
存储器,如RAM,保存有操作***和执行本发明方案的程序。操作***是用于控制其他程序运行,管理***资源的程序。
这些存储器、发射器和接收器可以通过总线与处理器相连接,或者也可以通过专门的连接线分别与处理器连接。
通过对处理器进行设计编程,将下面所示的方法所对应的代码固化到芯片内,从而使芯片在运行时能够执行图1所示的方法。如何对处理器进行设计编程为本领域技术人员所公知的技术,这里不再赘述。
基于相同构思,图9为本发明实施例提供的另一种数据传输装置的结构示意图,用于执行以上图5所示的数据传输方法中基站的执行流程,如图9所示,该数据传输装置900包括:
处理单元901,用于配置信道占用区间对应的调度请求的上报时刻,
发送单元902,用于将配置的所述信道占用区间对应的调度请求的上报时刻发送给用户设备。
基于同一发明构思,本发明实施例还提供一种网络设备1000,该设备1000用于执行上述图5的数据传输方法实施例中基站的执行过程,如图10所示,该 设备1000包括处理器1001、存储器1002、接收器1004和发射器1003,执行本发明方案的程序代码保存在存储器1002中,用于指令处理器1001与所述接收器1004和发射器1003配合执行图5所示的数据传输方法。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤是可以通过程序来指令处理器完成,所述的程序可以存储于计算机可读存储介质中,所述存储介质是非短暂性(英文:non-transitory)介质,例如随机存取存储器,只读存储器,快闪存储器,硬盘,固态硬盘,磁带(英文:magnetic tape),软盘(英文:floppy disk),光盘(英文:optical disc)及其任意组合。
本发明是参照本发明实施例的方法和设备各自的流程图和方框图来描述的。应理解可由计算机程序指令实现流程图和方框图中的每一流程和方框、以及流程图和方框图中的流程和方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和方框图一个方框或多个方框中指定的功能的装置。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。

Claims (10)

  1. 一种数据传输的方法,其特征在于,包括:
    确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;
    根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
  2. 如权利要求1所述的方法,其特征在于,所述确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,包括:
    确定所述信道占用区间的开始时刻;
    在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号;
    确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐;
    基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
  3. 如权利要求2所述的方法,其特征在于,根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内调度请求的发送时刻,包括:
    根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上行子帧;
    根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
  4. 如权利要求3所述的方法,其特征在于,根据所述信道占用区间对应 的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧,包括:
    确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧;
    将所述信道占用区间内的上行子帧确定为所述信道占用区间内的调度请求的上报时刻所在的子帧。
  5. 如权利要求4所述的方法,其特征在于,所述方法还包括:
    确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
  6. 一种数据传输的装置,其特征在于,包括:
    第一确定单元,用于确定免许可频谱上的信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比;
    第二确定单元,用于根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比确定所述信道占用区间内调度请求的发送时刻。
  7. 如权利要求6所述的装置,其特征在于,所述第一确定单元具体用于:
    确定所述信道占用区间的开始时刻;
    在***无线帧内,将所述开始时刻所落入的无线帧的无线帧号确定为所述信道占用区间对应的***无线帧号;
    确定所述信道占用区间的子帧边界、子帧编号以及子帧数目,所述信道占用区间的子帧边界和***无线帧的子帧边界对齐;
    基于所述信道占用区间的子帧数目和信道占用区间的上下行传输时间,确定所述信道占用区间的上下行子帧配比,所述信道占用区间的上下行传输时间是网络侧在信道被占用时预先配置的。
  8. 如权利要求7所述的装置,其特征在于,所述第二确定单元具体用于:
    根据所述信道占用区间的上下行子帧配比,确定所述信道占用区间的上 行子帧;
    根据所述信道占用区间对应的***无线帧号和所述信道占用区间的上下行子帧配比,确定所述信道占用区间内的调度请求的发送时刻所在的上行子帧。
  9. 如权利要求8所述的装置,其特征在于,所述第二确定单元具体用于:
    确定所述无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧不能对应到所述信道占用区间的上行子帧;
    将所述信道占用区间内的上行子帧确定为所述信道占用区间内的调度请求的上报时刻所在的子帧。
  10. 如权利要求9所述的装置,其特征在于,所述第二确定单元还用于:
    确定所述***无线帧号对应的无线帧内的调度请求的上报时刻所在的子帧能够对应到所述信道占用区间的上行子帧时,保持所述***无线帧号对应的无线帧内的调度请求的上报时刻不变。
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CN112954797B (zh) * 2019-12-11 2022-09-30 大唐移动通信设备有限公司 一种下行控制信息dci的对齐方法及装置

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