WO2019095390A1 - 请求上行传输资源的方法及装置 - Google Patents

请求上行传输资源的方法及装置 Download PDF

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Publication number
WO2019095390A1
WO2019095390A1 PCT/CN2017/111946 CN2017111946W WO2019095390A1 WO 2019095390 A1 WO2019095390 A1 WO 2019095390A1 CN 2017111946 W CN2017111946 W CN 2017111946W WO 2019095390 A1 WO2019095390 A1 WO 2019095390A1
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WO
WIPO (PCT)
Prior art keywords
random access
preset
resource
base station
uplink
Prior art date
Application number
PCT/CN2017/111946
Other languages
English (en)
French (fr)
Inventor
江小威
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to RU2020118288A priority Critical patent/RU2737482C1/ru
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to JP2020526483A priority patent/JP6950093B2/ja
Priority to PCT/CN2017/111946 priority patent/WO2019095390A1/zh
Priority to SG11202004532WA priority patent/SG11202004532WA/en
Priority to ES17931931T priority patent/ES2955136T3/es
Priority to EP17931931.4A priority patent/EP3716678B1/en
Priority to CN202010251331.8A priority patent/CN111479331B/zh
Priority to KR1020207016404A priority patent/KR102401522B1/ko
Priority to PL17931931.4T priority patent/PL3716678T3/pl
Priority to CN201780001913.7A priority patent/CN108391469B/zh
Priority to BR112020009611-3A priority patent/BR112020009611A2/pt
Publication of WO2019095390A1 publication Critical patent/WO2019095390A1/zh
Priority to US16/877,454 priority patent/US11399383B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and apparatus for requesting uplink transmission resources.
  • 5G networks With the development of wireless communication technologies, mobile communication networks are gradually evolving to 5G networks. In the early stage of 5G network layout, the main signal coverage is still carried out by the 4G network LTE (Long Term Evoluttion) system.
  • LTE Long Term Evoluttion
  • the 5G network (NR) is a powerful supplement of the data transmission service to form LTE-NR interworking. )Layout.
  • the UE In the LTE-NR interworking phase, when the UE needs to report the BSR (Buffer Status Report), if there is no PUSCH (Physical Uplink Shared Channel) resource available in the preset time interval agreed by the system, The SR (Scheduling Request) resource is not configured.
  • PUSCH Physical Uplink Shared Channel
  • the SR (Scheduling Request) resource is not configured.
  • a random access request is initiated to the base station to apply for uplink transmission resources.
  • the random access channel configured by the system for the UE may be relatively sparse, such as configuring random access channel resources only on odd or even frames.
  • the UE does not cancel the random access request, resulting in wasted system resources or increased uplink transmission.
  • the transmission delay of the resource request affects the communication experience of the user terminal.
  • the embodiments of the present disclosure provide a method and an apparatus for requesting uplink transmission resources, which save system resources.
  • a method for requesting an uplink transmission resource is provided, which is applied to a user terminal, where the method includes:
  • the contention random access request is triggered
  • the preset random access cancellation condition includes at least: detecting valid uplink resource information.
  • the method further includes:
  • the preset SR trigger condition includes: the available UL-SCH resource is not available in the first preset time interval, and , UL-grant without the configuration;
  • the uplink resource SR is triggered if the preset SR trigger condition is met.
  • the method further includes:
  • the resource transmits data to be transmitted and/or the BSR to the base station.
  • the contention random access request is triggered, including:
  • PUCCH resource for transmitting the uplink resource SR, which is not configured at any time; there is no available UL-SCH resource in a preset time interval; and, the configuration is not configured UL-grant, triggering a random access request.
  • the contention random access request is triggered, including:
  • the method further includes:
  • the uplink resource SR in the waiting state is cancelled.
  • the preset random access cancellation condition includes any one of the following:
  • the base station If the UL-grant allocated by the base station is received on the PDCCH, and the first preset transmission information in the contention random access procedure is not sent to the base station;
  • the preset random access cancellation condition includes any one of the following:
  • the target uplink shared channel resource is an uplink shared channel resource that is provided by the base station before responding to the contention random access request;
  • the target uplink shared channel resource is detected, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • the first preset time interval and/or the preset time interval is a basic information transmission unit in the NR system.
  • an apparatus for requesting an uplink transmission resource which is disposed in a user terminal, where the apparatus includes:
  • the random access determining module is configured to determine, after the triggering the uplink resource scheduling request SR, whether the preset random access triggering condition is met;
  • An access request triggering module is configured to trigger a contention random access request if the preset random access triggering condition is met;
  • the access cancellation determining module is configured to determine whether the preset random access cancellation condition is met before completing the contention random access procedure
  • the access cancellation module is configured to cancel the contention random access procedure if the preset random access cancellation condition is met, where the preset random access cancellation condition includes at least: receiving a valid uplink Resource information.
  • the device further includes:
  • the SR trigger determination module is configured to determine that after determining the buffer status report BSR to be sent The preset SR triggering condition is met, wherein the preset SR triggering condition includes: the available UL-SCH resource is not available in the first preset time interval, and the configured UL-grant is not included;
  • the SR triggering module is configured to trigger the uplink resource SR if the preset SR trigger condition is met.
  • the device further includes:
  • a data sending module configured to: if the available UL-SCH resource is received or configured in the first preset time interval, use the available UL-SCH resource or the The uplink transmission resource indicated by the UL-grant sends the data to be transmitted and/or the BSR to the base station.
  • the access request triggering module is configured to transmit a valid physical uplink control channel PUCCH resource of the uplink resource SR if not configured at any time;
  • the available UL-SCH resources are; and the UL-grant, which is not configured, triggers a contention random access request.
  • the access request triggering module includes:
  • a comparison submodule configured to configure at least one valid physical uplink control channel PUCCH resource for transmitting the uplink resource SR, and having no available UL-SCH resource within a preset time interval, and The UL-grant without the configuration determines whether the total number of transmissions of the uplink resource SR exceeds a preset threshold;
  • the access request triggering sub-module is configured to trigger a contention random access request if the total number of transmissions of the uplink resource SR exceeds the preset threshold.
  • the device further includes:
  • the SR cancellation module is configured to cancel the uplink resource SR in the waiting state if the available UL-SCH resource or the configured UL-grant is detected within a preset time interval.
  • the preset random access cancellation condition includes any one of the following:
  • the base station If the UL-grant allocated by the base station is received on the PDCCH, and the first preset transmission information in the contention random access procedure is not sent to the base station;
  • the base station If the UL-grant allocated by the base station is received on the PDCCH, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • the preset random access cancellation condition includes any one of the following:
  • the target uplink shared channel resource is an uplink shared channel resource that is provided by the base station before responding to the contention random access request;
  • the target uplink shared channel resource is detected, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • the device further includes:
  • the first configuration module is configured to configure the preset SR trigger condition according to the SR trigger configuration information sent by the base station.
  • the device further includes:
  • the second configuration module is configured to configure the preset random access trigger condition according to the random access trigger configuration information sent by the base station.
  • the device further includes:
  • the third configuration module is configured to configure the preset random access cancellation condition according to the cancel access configuration information sent by the base station.
  • the first preset time interval and/or the preset time interval is a basic information transmission unit in the NR system.
  • a non-transitory computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the steps of any of the methods of any of the above aspects.
  • an apparatus for requesting an uplink transmission resource including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the contention random access request is triggered
  • the preset random access cancellation condition includes at least: receiving valid uplink resource information.
  • the UE when the UE fails to apply for the uplink transmission resource by sending the uplink buffer status report BSR to the base station, the UE triggers the uplink resource scheduling request SR, and then according to the preset random access.
  • the triggering condition determines whether to cancel the uplink resource SR of the to-be-sent state, and applies for the uplink transmission resource to the base station by triggering the random access request.
  • the user terminal After the random access request is triggered and the random access procedure is triggered, the user terminal can determine in real time whether the available uplink shared channel UL-SCH resource or the configured uplink is allocated before the random access procedure is completed. The resource is granted a UL-grant.
  • the contention random access procedure may be cancelled, and the uplink transmission resource indicated by the valid uplink resource information is used to send the to-be-transmitted data to the base station.
  • the BSR in the case that the uplink transmission resource is clearly available to transmit the data to be transmitted, and also requests the uplink transmission resource through the random access request mode, thereby reducing system resource waste.
  • FIG. 1 is a flowchart of a method for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 2 is a flowchart of another method for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 3 is a flowchart of another method for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 4 is a flowchart of another method for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of a contention random access procedure according to an exemplary embodiment of the present disclosure.
  • FIG. 6 is a block diagram of a device for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 7 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 8 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 9 is a block diagram of another apparatus for requesting uplink transmission resources according to an exemplary embodiment of the present disclosure. Figure.
  • FIG. 10 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another apparatus for requesting uplink transmission resources according to an exemplary embodiment of the present disclosure.
  • the executor of the present disclosure includes: a base station and a user equipment (UE) in a LTE-NR interworking phase of the 5G network, where the base station may be a base station, a sub-base station or the like provided with a large-scale antenna array.
  • the user equipment UE may be a user terminal, a user node, a mobile terminal, or a tablet.
  • the base station and the user equipment are independent of each other, and are in contact with each other to jointly implement the technical solution provided by the present disclosure.
  • the application scenario of the present disclosure is first introduced.
  • the UE needs to send data to the network side, such as a base station, it needs to have an uplink transmission resource that carries data to be transmitted. If the uplink transmission resource allocated to the UE in the current transmission link resource is insufficient, the UE needs to first request the base station to allocate the uplink shared channel to transmit the PUSCH resource, such as an uplink RB (Resource Block) in the LTE system.
  • the PUSCH resource such as an uplink RB (Resource Block) in the LTE system.
  • the UE may request the uplink transmission resource to be allocated to the base station in the following three manners:
  • a BSR Buffer Status Report
  • PUSCH Physical Uplink Shared Channel
  • the SR (Scheduling Request) is sent to the base station in the PUCCH (Physical Uplink Control Channel). Since the PUCCH resource is valuable, the base station is not necessarily configured for each UE. The resources of the SR, and this way cannot tell the base station the amount of data of the current data to be transmitted, and the amount of resources that are expected to be allocated.
  • PUCCH Physical Uplink Control Channel
  • a random random access is initiated to the base station by using a SpCell (special cell).
  • Request apply for uplink transmission resources, and the third method has a larger delay than the first two methods.
  • the BSR mode is preferred. If the BSR cannot be sent, the SR mode is adopted, and finally the method of competing random access is considered.
  • FIG. 1 is a flowchart of a method for requesting an uplink transmission resource according to an exemplary embodiment, where the method may include the following steps:
  • step 11 after the uplink resource scheduling request SR is triggered, it is determined whether the preset random access triggering condition is met;
  • the UE after determining the BSR to be sent, the UE detects the resource information.
  • the foregoing process of detecting resource information includes: determining whether there is an uplink shared channel UL-SCH resource for transmitting a BSR, and whether there is a configured UL-grant, so that the UE predicts that the UL-SCH is available subsequently according to the configured UL-grant. Resources. And determining, according to the detected resource information, whether the preset random access trigger condition is met.
  • the uplink resource SR may be triggered if the detected resource information meets the preset SR trigger condition.
  • the UE may determine whether to trigger the uplink resource SR according to any of the following preset SR trigger conditions:
  • the SR trigger condition 1 is that no uplink shared channel UL-SCH resource is available in the first preset time interval after determining the BSR to be transmitted.
  • the foregoing available UL-SCH resources may carry a BSR and send the BSR to the base station.
  • the foregoing first preset time interval in the present disclosure may be a basic information transmission unit in which the BSR to be transmitted is determined, and a basic information transmission unit adjacent thereto, for example, may be an LTE-NR network TDD (Time Division Duplexing). , time division duplex)
  • the basic information transmission unit specified by the system protocol may be: a subframe, a symbol symbol, a slot slot, a mini-slot, or the like.
  • the minislot may contain several symbols, such as 5 symbols; the time slot contains a number of symbols slightly larger than the number of symbols in the minislot, for example, a slot consists of 7 symbols, therefore, The duration of a slot is slightly longer than a microslot.
  • the preset time interval may also be a preset time interval in the symbol Symbol unit dynamically set by the base station according to the scheduling information of the UE, for example, a preset time interval including three symbols. .
  • the first preset time interval is a basic information transmission unit specified in the system. Taking one subframe as an example, if the UE determines that there is a BSR when the first subframe is transmitted, the UE may monitor whether there is a UL-SCH resource available to the UE when the second subframe arrives, and if not, trigger the uplink resource SR. , ready to pass The SR mode requests the base station to allocate an uplink transmission resource.
  • the SR triggers the condition 2 that the available UL-SCH resource is not available in the first preset time interval, and there is no configured UL-grant.
  • the UE can predict that the base station subsequently allocates available UL-SCH resources to the current UE by using the UL-grant configured above.
  • FIG. 2 is a flowchart of another method for requesting an uplink transmission resource according to an exemplary embodiment.
  • the method may further include:
  • step 101 after determining the buffer status report BSR to be sent, determining whether the preset SR trigger condition is met, wherein the preset SR trigger condition includes: the available UL is not available in the first preset time interval. -SCH resource, and there is no UL-grant for the configuration; that is, the above SR trigger condition two.
  • step 102 if the preset SR trigger condition is met, the uplink resource SR is triggered.
  • the UL-SCH resource or the UL-SCH resource that is available for prediction transmits the BSR, and avoids requesting the uplink transmission resource from the base station by transmitting the uplink resource SR.
  • the uplink resource SR is triggered.
  • the method for requesting the uplink transmission resource may be used to send the BSR when the UL-SCH resource indicated by the configured UL-grant and subsequently allocated to the UE arrives, and does not need to send the uplink.
  • Applying the uplink transmission resource in the manner of the resource SR can save the PUCCH resource.
  • the base station cannot determine the data size of the data to be transmitted, and therefore cannot allocate appropriate resources to the UE according to the amount of data to be transmitted.
  • the subsequent UE still needs to send the BSR to apply for more resources.
  • the uplink transmission resource is used. Therefore, the SR triggering condition provided by the embodiment of the present disclosure can reduce the number of requests for the uplink resource scheduling request.
  • the UE may further determine, according to the subsequently detected resource information, whether the preset random access triggering condition is met, if the The following step 12 is performed; otherwise, if it is not satisfied, the uplink transmission resource is requested from the base station by sending the BSR or the uplink resource SR according to the detected resource information.
  • step 12 if the preset random access trigger condition is met, a contention random access request is triggered;
  • the UE performs the following determination at each subsequent preset time interval: 1. Determine whether the UE has the configured effective uplink control channel PUCCH resource at any time according to the current configuration information.
  • the valid PUCCH resource may send the uplink resource SR to the base station; 2. Whether there is an available UL-SCH resource in the preset time interval; and 3. whether there is a configured UL-grant.
  • step 12 may include at least the following two situations according to different preset random access trigger conditions:
  • the valid physical uplink control channel PUCCH resource for transmitting the uplink resource SR that is not configured at any time is determined according to the current configuration information, no UL-SCH is available in each preset time interval. Resources; and, the UL-grant, which is not configured, triggers a contention random access request.
  • the preset time interval in the present disclosure may be a system basic information transmission unit adjacent to the basic information transmission unit where the uplink resource SR triggering time is located, and as described above, may be the TDD of the LTE-NR network (Time Division)
  • Condition 2 A valid PUCCH resource that is not configured at any time
  • the base station does not configure the valid PUCCH resource for the UE in the preset time interval, and does not configure the valid PUCCH resource after the preset time interval.
  • the UE detects that the available UL-SCH resource is in the preset time interval after the uplink resource SR is triggered, and uses the real-time monitored UL-SCH resource to send the to-be-transmitted data or the BSR to the base station. There is no need to apply for an uplink transmission resource to the base station by initiating a contention random access request.
  • the UE has a valid PUCCH resource for transmitting the uplink resource SR after the uplink resource SR is triggered, and does not need to apply for the uplink transmission resource by initiating a contention random access request.
  • a counter is set in the UE, and before the UE detects valid uplink resource information, The value of the above counter is incremented by one every time the uplink resource SR is sent.
  • the UE detects that the configured UL-grant is within the preset time interval after the uplink resource SR is triggered, and the UE can predict that the available UL-SCH resources are available subsequently according to the UL-grant configured in the subsequent sequence.
  • the available UL-SCH resources arrive, the data to be transmitted or the BSR may be sent to the base station, and the resource does not need to be requested by initiating a contention random access request.
  • the uplink resource SR in the Pending state may be cancelled.
  • the UE determines that the base station configures at least one valid PUCCH resource for the UE, but the foregoing valid PUCCH resource cannot be used to transmit the uplink resource in the waiting state. SR, therefore, triggers a contention random access request.
  • FIG. 3 is a flowchart of another method for requesting an uplink transmission resource according to an exemplary embodiment.
  • the foregoing step 12 may include:
  • step 121 if at least one valid physical uplink control channel PUCCH resource for transmitting the uplink resource SR is configured, and the available UL-SCH resource is not available in a preset time interval, and there is no Determining, by the configured UL-grant, whether the total number of times the uplink resource SR is sent exceeds a preset threshold;
  • the UE after transmitting the uplink resource SR, the UE periodically sends the uplink resource SR periodically before detecting the valid uplink resource information configured by the base station, and may start a counter before detecting the valid uplink resource information.
  • the value of the above counter is incremented by one every time the uplink resource SR is sent, thereby counting the total number of initiations of the uplink resource SR.
  • the UE is configured with a maximum number of SR transmission times, which may be represented as M. If the total number of initiations of the uplink resource SR recorded by the above counter is expressed as N. In the embodiment of the present disclosure, N is compared with M to determine whether the uplink resource SR currently in the Pending state can be sent to the base station by using the currently detected valid PUCCH resource. If N is less than M, the physical layer is instructed to send the uplink resource SR to the base station by using the currently detected valid PUCCH resource. Otherwise, step 122 is performed.
  • step 122 if the total number of transmissions of the uplink resource SR exceeds the preset threshold, a contention random access request is triggered.
  • N is greater than or equal to M
  • the UE when determining that the preset random access triggering condition is met, may send a contention random access request to the base station by using the special cell SpCell to request the base station to Allocate uplink transmission resources.
  • the foregoing SpCell may include: a PCell (Primary Cell) or a PSCell (Primary Secondary Cell).
  • FIG. 4 is a flowchart of another method for requesting uplink transmission resources according to an exemplary embodiment.
  • the method may further include :
  • step 12-1 if the available UL-SCH resource or the configured UL-grant is detected within a preset time interval, the uplink resource SR in the waiting state is cancelled.
  • the UE detects an available UL-SCH resource within a preset time interval after triggering the uplink resource SR, the currently transmitted UL-SCH resource is used to send the to-be-transmitted data and/or the BSR,
  • the uplink transmission resource needs to be requested from the base station by sending the uplink resource SR. Therefore, the uplink resource SR in the Pending state is cancelled.
  • the base station if the UE detects the configured UL-grant within a preset time interval after the uplink resource SR is triggered, for example, the base station subsequently configures the UL-grant for the UE in real time, and at the foregoing preset time.
  • the RRC (Radio Resource Control) upper layer control signaling is sent to the UE in the interval, and the UE can be configured according to the UL-grant configured in the subsequent sequence, and it is predicted that the available UL-SCH resources arrive later.
  • the uplink transmission resource may be requested from the base station by using the method of transmitting the uplink resource SR, and the uplink transmission resource may be requested by the method of transmitting the uplink resource SR.
  • the uplink resource SR in the Pending state is canceled, and the uplink transmission resource is not required to be requested by the base station by initiating a contention random access request.
  • step 13 before completing the contention random access procedure, determining whether the preset random access cancellation condition is met;
  • the UE may take some time, such as 5 ms, from the triggering of the contention random access request to the completion of the contention random access procedure with the base station. During this period, the UE may further determine whether the pre-satisfaction is met according to the detected resource information. Set the random access cancellation condition; if not, continue to perform the competitive random access procedure; if yes, go to Step 14.
  • step 14 if the preset random access cancellation condition is met, the contention random access procedure is cancelled, where the preset random access cancellation condition includes at least: receiving valid uplink resource information;
  • the foregoing effective uplink resource information may include: an available uplink shared channel.
  • UL-SCH resources, or configured uplink resources are granted to UL-grant.
  • the UE may not send the contention random access request to the base station immediately, and also determines whether there is currently available random access channel resource. That is to say, there may be a time interval between the time when the UE triggers the contention random access request and the time when the UE may actually send the above-mentioned contention random access request to the base station.
  • the random access channel may be configured to be relatively sparse. Assuming that the basic information transmission unit of the system is one subframe, it is possible for the system to configure random access channel resources only in odd or even frames.
  • the current frame in which the UE initiates the contention random access request is an odd frame, for example, represented as TTI1
  • the system configures the random access channel resource only in the odd frame
  • the nearest random access channel is located in the TTI3
  • the intermediate interval is A basic information transmission unit TTI2 if the UE detects valid uplink resource information when the TTI2 arrives, the above-mentioned contention random access procedure can be cancelled.
  • the system has a random access channel resource available on the transmission link, and it takes time for the UE to complete the entire contention random access procedure.
  • whether the valid uplink resource information can be detected in the foregoing time may also be determined. If the detection is obtained, the contention random access procedure may be terminated.
  • the above-mentioned contending random access procedure is as shown in FIG. 5, and according to related knowledge, the UE and the base station eNB need to complete the contention for random access.
  • the steps are:
  • Step A the UE sends a random access preamble Random Access Preamble to the base station;
  • Step B The base station returns a random access response message Random Access Response to the UE;
  • the Random Access Response may be referred to as an RA Response message, which is also referred to as MSG2.
  • the RA Response message includes: PUSCH uplink scheduling information allocated for transmitting MSG3, and may include whether frequency hopping, modulation and coding rate, access resources, and access time. And so on.
  • Step C the UE sends the MSG3 to the base station
  • the UE may transmit the MSG3 according to the uplink resource allocated by the eNB in the RA Response for subsequent data transmission.
  • step D the base station sends the MSG4 to the UE.
  • the base station eNB and the UE finally complete the contention resolution through the MSG4.
  • the preset random access cancellation condition in the foregoing step 14 Can include:
  • Case 1 If the UE completes the random access procedure, it is in the PDCCH (Physical Downlink Control).
  • the UL-grant allocated by the base station is detected on the channel, the physical downlink control channel, and the preset random access cancellation condition may include any one of the following:
  • Cancellation condition 1 If the UL-grant allocated by the base station is received on the PDCCH;
  • the UE can predict that the available UL-SCH resources arrive later, when the subsequent available UL-SCH resources arrive.
  • the BSR is sent to the base station to request the uplink transmission resource. It is not necessary to request the base station to allocate the uplink transmission resource by using the contention random access method. Therefore, the UE can cancel the above-mentioned competitive random access procedure and save the system. Signaling overhead and save system resources.
  • the base station If the UL-grant allocated by the base station is received on the PDCCH, and the first preset transmission information in the contention random access procedure is not sent to the base station,
  • the first preset transmission information may be a random access preamble sent by the UE to the base station in the foregoing step A.
  • the first preset response information may be response information RAR for the RA-RNTI (Random Access-Radio Network Temporary Identifier) sent by the base station to the UE.
  • the RAR of the RA-RNTI includes a UL-grant.
  • Cancellation condition four if the UL-grant allocated by the base station is received on the PDCCH, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • the second preset transmission information may be the MSG3 sent by the UE to the base station in the foregoing step D.
  • the UE receives the UL-grant allocated to the UE by using the PDCCH before the time node corresponding to any step before the completion of the random access procedure, and can immediately terminate the contention random access procedure and reduce the signaling overhead. , saving system resources.
  • the preset random access cancellation condition may include any one of the following:
  • a first cancellation condition if the target uplink shared channel resource is detected, where the target uplink shared channel resource is an uplink shared channel resource that is provided by the base station before responding to the contention random access request;
  • the UE may use the currently monitored and available UL-SCH resources to send a BSR to the base station to request uplink transmission resources, which is unnecessary. Then, the base station is requested to allocate an uplink transmission resource by using a random access method, so that the uplink transmission resource can be cancelled.
  • the competitive random access process is performed before the UE completes the contention of the random access procedure.
  • a second cancellation condition if the target uplink shared channel resource is detected, and the first preset transmission information in the contention random access procedure is not sent to the base station;
  • the first preset transmission message may be the random access preamble in step A shown in FIG. 5.
  • a third cancellation condition if the target uplink shared channel resource is detected, and the first preset response information sent by the base station in the contention random access procedure is not received;
  • the first preset response information may be the RA-RNTI (Random Access-Radio Network Temporary Identifier) sent by the base station to the UE in step B shown in FIG. , random access - wireless network temporary identification) response information RAR.
  • RA-RNTI Random Access-Radio Network Temporary Identifier
  • a fourth cancellation condition if the target uplink shared channel resource is detected, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • the second preset transmission information may be the MSG3 sent by the UE to the base station in step D shown in FIG. 5 .
  • the UE may unilaterally cancel the contention random access procedure and save signaling overhead.
  • the UE may use the currently available UL-SCH resources to send the data to be transmitted and/or the BSR to the base station, which may shorten the transmission delay of the uplink data to be transmitted, or send the transmission delay.
  • the mode of the BSR makes it possible for the base station to allocate sufficient uplink transmission resources to the UE at one time, so as to avoid requesting uplink transmission resources to the base station again or more times due to insufficient uplink transmission resources, thereby improving the timeliness of transmission of the current data to be transmitted, and improving UE's 5G network user experience.
  • any one of the preset SR triggering condition, the preset random access triggering condition, and the preset random access canceling condition may be dynamically configured by the base station according to the scheduling information of the current UE.
  • the UE before performing the foregoing step 101, the UE may further include: configuring the preset SR trigger condition according to the SR trigger configuration information sent by the base station.
  • the first preset time interval involved in the preset SR triggering condition may be a time interval determined by the base station according to the scheduling information of the current UE, and the base station may dynamically adjust the preset SR according to the adjustment of the scheduling information of the UE.
  • the trigger condition is adopted, so that the UE uses the appropriate resource detection time window, accurately determines the location of the available UL-SCH resources, or quickly obtains the configured UL-grant, ensuring that the UE can request the uplink transmission resource to the base station in time and accurately.
  • the UE may further include: configuring the preset random access trigger condition according to the random access trigger configuration information sent by the base station.
  • the preset time interval involved in the preset random access triggering condition may also be a time interval determined by the base station according to the scheduling information of the current UE, and the base station may dynamically adjust the preset according to the scheduling information of the UE.
  • the random access triggering condition ensures that the UE requests uplink transmission resources from the high-to-low uplink resource request mode, which saves signaling overhead and avoids resource waste.
  • the UE may further include: configuring the preset random access cancellation condition according to the cancel access configuration information sent by the base station before performing the foregoing step 13, for example, before step 11.
  • the UE may also receive the cancellation access configuration information that is sent by the base station to flexibly configure the random access cancellation condition, and flexibly configure the random access cancellation condition according to different requirements.
  • the cancellation condition 1 to the cancellation condition 4 are used to determine whether to cancel the contention random access procedure, and the signaling overhead of the UE for continuously detecting the effective resource information may be saved before the uplink transmission resource indicated by the UL-grant arrives.
  • the method of determining whether to cancel the contention of the uplink transmission resource by using the foregoing first cancellation condition to the fourth cancellation condition may increase the probability of acquiring the uplink transmission resource by using the BSR mode, and ensuring that the UE obtains the uplink transmission resource allocated by the base station by using the highest priority BSR mode, and reduces the uplink transmission resource.
  • the UE requests the base station to apply for the uplink transmission resource probability by competing for the random access request mode, thereby reducing the transmission delay of the data to be transmitted.
  • the present disclosure also provides an application function implementation apparatus and an embodiment of a corresponding terminal.
  • FIG. 6 is a block diagram of a device for requesting an uplink transmission resource according to an exemplary embodiment, where the device may include:
  • the random access determining module 21 is configured to determine, after triggering the uplink resource scheduling request SR, whether the preset random access triggering condition is met;
  • the access request triggering module 22 is configured to trigger a contention random access request if the preset random access triggering condition is met;
  • the access request triggering module 22 may be configured as a valid physical uplink control channel PUCCH resource for transmitting the uplink resource SR if not configured at any time;
  • the available UL-SCH resources are not available in the preset time interval; and the UL-grant is not configured to trigger the contention random access request.
  • the access cancellation determination module 23 is configured to determine whether the preset random access cancellation condition is met before completing the contention random access procedure;
  • the access cancellation module 24 is configured to cancel the contention random access procedure if the preset random access cancellation condition is met, where the preset random access cancellation condition includes at least: receiving the valid
  • the uplink resource information includes: the available uplink shared channel UL-SCH resource, or the configured uplink resource is granted to the UL-grant.
  • the preset random access cancellation condition includes any one of the following:
  • the base station If the UL-grant allocated by the base station is received on the PDCCH, and the first preset transmission information in the contention random access procedure is not sent to the base station;
  • the base station If the UL-grant allocated by the base station is received on the PDCCH, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • the preset random access cancellation condition may further include any one of the following:
  • the target uplink shared channel resource is an uplink shared channel resource that is provided by the base station before responding to the contention random access request;
  • the target uplink shared channel resource is detected, and the second preset transmission information in the contention random access procedure is not sent to the base station.
  • FIG. 7 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment.
  • the apparatus may further include:
  • the SR trigger determination module 201 is configured to determine whether the preset SR trigger condition is met after determining the buffer status report BSR to be sent, where the preset SR trigger condition includes: The available UL-SCH resources, and the UL-grant without the configuration;
  • the SR triggering module 202 is configured to trigger the uplink resource SR if the preset SR triggering condition is met.
  • FIG. 8 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment of the present invention.
  • the apparatus may further include:
  • the data sending module 203 is configured to: if the available UL-SCH resource is received or configured in the first preset time interval, use the available UL-SCH resource or The uplink transmission resource indicated by the UL-grant sends the data to be transmitted or the BSR to the base station.
  • FIG. 9 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment of the present invention.
  • the access request triggering module 22 may include, according to the apparatus embodiment shown in any of FIG. :
  • the comparison sub-module 221 is configured to: if at least one valid physical uplink control channel PUCCH resource for transmitting the uplink resource SR is configured, and the available UL-SCH resource is not available in a preset time interval, And determining, by the configured UL-grant, whether the total number of times of sending the uplink resource SR exceeds a preset threshold;
  • the access request triggering sub-module 222 is configured to trigger a contention random access request if the total number of transmissions of the uplink resource SR exceeds the preset threshold.
  • FIG. 10 is a block diagram of another apparatus for requesting an uplink transmission resource according to an exemplary embodiment of the present invention.
  • the apparatus may further include:
  • the SR cancellation module 204 is configured to cancel the uplink resource SR in the waiting state if the available UL-SCH resource or the configured UL-grant is in a preset time interval.
  • At least one configuration module may be further included:
  • the first configuration module is configured to configure the preset SR trigger condition according to the SR trigger configuration information sent by the base station.
  • the second configuration module is configured to configure the preset random access trigger condition according to the random access trigger configuration information sent by the base station.
  • the third configuration module is configured to configure the preset random access cancellation condition according to the cancel access configuration information sent by the base station.
  • the first preset time interval and/or the preset time interval is a basic information transmission unit in the NR system.
  • the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
  • the device embodiments described above are merely illustrative in which the above The units described from the components may or may not be physically separated, and the components displayed as the 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 modules may be selected according to actual needs to achieve the objectives of the present disclosure. Those of ordinary skill in the art can understand and implement without any creative effort.
  • a device for requesting uplink transmission resources including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the contention random access request is triggered
  • the preset random access cancellation condition includes at least: detecting valid uplink resource information.
  • FIG. 11 is a schematic structural diagram of another apparatus 1100 for requesting uplink transmission resources according to an exemplary embodiment.
  • the device 1100 may be a terminal, and may specifically be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, a wearable device such as a smart watch, smart glasses. , smart bracelets, smart running shoes, etc.
  • apparatus 1100 can include one or more of the following components: processing component 1102, memory 1104, power component 1106, multimedia component 1108, audio component 1110, input/output (I/O) interface 1112, sensor component 1114, And a communication component 1116.
  • Processing component 1102 typically controls the overall operation of device 1100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 1102 can include one or more processors 1120 to execute instructions to perform all or part of the steps of the above described methods.
  • processing component 1102 can include one or more modules to facilitate interaction between component 1102 and other components.
  • the processing component 1102 can include a multimedia module to facilitate interaction between the multimedia component 1108 and the processing component 1102.
  • the memory 1104 is configured to store various types of data to support operation at the device 1100. Examples of such data include instructions for any application or method operating on device 1100, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 1104 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 1106 provides power to various components of device 1100.
  • Power component 1106 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 1100.
  • the multimedia component 1108 includes a screen between the device 1100 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor described above may sense not only the boundary of the touch or slide action but also the duration and pressure associated with the touch or slide operation described above.
  • the multimedia component 1108 includes a front camera and/or a rear camera. When the device 1100 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1110 is configured to output and/or input an audio signal.
  • the audio component 1110 includes a microphone (MIC) that is configured to receive an external audio signal when the device 1100 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 1104 or transmitted via communication component 1116.
  • the audio component 1110 also includes a speaker for outputting an audio signal.
  • the I/O interface 1112 provides an interface between the processing component 1102 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 1114 includes one or more sensors for providing a status assessment of various aspects to device 1100.
  • sensor assembly 1114 can detect an open/closed state of device 1100, relative positioning of components, such as the display and keypad of device 1100, and sensor component 1114 can also detect a change in position of a component of device 1100 or device 1100, The presence or absence of user contact with device 1100, device 1100 orientation or acceleration/deceleration and temperature change of device 1100.
  • Sensor assembly 1114 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1114 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1116 is configured to facilitate wired or wireless communication between device 1100 and other devices.
  • the device 1100 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a group thereof Hehe.
  • communication component 1116 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • the communication component 1116 described above also includes a near field communication (NFC) module to facilitate short range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 1100 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 1104 comprising instructions executable by processor 1120 of apparatus 1100 to perform the above-described Figures 1 - 4 A method for requesting uplink transmission of resources.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.

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Abstract

本公开提供一种请求上行传输资源的方法及装置，其中上述方法包括：在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；若满足预设随机接入触发条件，触发竞争随机接入请求；在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息。采用本公开提供的请求上行传输资源的方法，可以减少上行传输资源的请求时延，进而缩短业务传输时延，还可以节约信令开销和系统资源。

Description

请求上行传输资源的方法及装置 技术领域
本公开涉及通信技术领域，尤其涉及一种请求上行传输资源的方法及装置。
背景技术
随着无线通信技术的发展，移动通信网络逐渐向5G网络演进。在5G网络布局前期，仍以4G网络LTE(Long Term Evoluttion，长期演进)系统进行主要信号覆盖，5G网络即NR(New Radio)系统作为数据传输业务的强大补充，形成LTE-NR interworking(互操作)的布局。
在LTE-NR interworking阶段，UE需要上报BSR(Buffer Status Report，缓存状态报告)时，若在系统约定的预设时间间隔内没有可用的PUSCH(Physical Uplink Shared Channel，物理上行共享信道)资源，也没有被配置SR(Scheduling Request，调度请求)资源，在上述预设时间间隔结束时会向基站发起随机接入请求，以申请上行传输资源。然而，在UE处于连接状态时，系统为该UE配置的随机接入信道可能相对稀疏，比如仅在奇数帧或偶数帧上配置随机接入信道资源。对于当前UE而言，有可能出现随机接入信道资源到来之前，就监测到了可用的上行传输资源，但根据相关协议，UE并不会取消上述随机接入请求，导致系统资源浪费或增加上行传输资源请求的传输时延，影响用户终端的通信体验。
发明内容
为克服相关技术中存在的问题，本公开实施例提供一种请求上行传输资源的方法及装置，节约系统资源。
根据本公开实施例的第一方面，提供了一种请求上行传输资源的方法，应用于用户终端中，所述方法包括：
在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
若满足所述预设随机接入触发条件，触发竞争随机接入请求；
在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：检测到有效上行资源信息。
可选地，所述方法还包括：
在确定待发送的缓存状态报告BSR之后，确定是否满足预设SR触发条件，其中，所述预设SR触发条件包括：在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant；
若满足所述预设SR触发条件，触发所述上行资源SR。
可选地，所述方法还包括：
若在所述第一预设时间间隔内接收到所述可用的UL-SCH资源或者被配置了所述UL-grant，利用所述可用的UL-SCH资源或所述UL-grant指示的上行传输资源向所述基站发送待传输数据和/或所述BSR。
可选地，所述若满足所述预设随机接入触发条件，触发竞争随机接入请求，包括：
若在任意时刻没有配置的、用于传输所述上行资源SR的有效物理上行链路控制信道PUCCH资源；在预设时间间隔内没有所述可用的UL-SCH资源；并且，没有配置的所述UL-grant，触发竞争随机接入请求。
可选地，所述若满足所述预设随机接入触发条件，触发竞争随机接入请求，包括：
若配置有至少一个用于传输所述上行资源SR的、有效物理上行链路控制信道PUCCH资源，且在预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant，确定所述上行资源SR的总计发送次数是否超过预设阈值；
若所述上行资源SR的总计发送次数超过所述预设阈值，触发竞争随机接入请求。
可选地，所述方法还包括：
若在预设时间间隔内有所述可用的UL-SCH资源或所述配置的UL-grant，取消处于等待状态的所述上行资源SR。
可选地，所述预设随机接入取消条件，包括以下任意一项：
若在物理下行控制信道PDCCH上接收到所述基站分配的UL-grant；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送 竞争随机接入流程中的第二预设发送信息。
可选地，所述预设随机接入取消条件，包括以下任意一项：
若监测到目标上行共享信道资源，其中，所述目标上行共享信道资源为所述基站在响应所述竞争随机接入请求之前提供的上行共享信道资源；
若监测到所述目标上行共享信道资源，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
若监测到所述目标上行共享信道资源，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
若监测到所述目标上行共享信道资源，并且未向所述基站发送所述竞争随机接入流程中的第二预设发送信息。
可选地，在所述确定是否满足预设SR触发条件之前，所述方法还包括：
根据所述基站发送的SR触发配置信息配置所述预设SR触发条件。
可选地，在所述确定是否满足预设随机接入触发条件之前，所述方法还包括：
根据所述基站发送的随机接入触发配置信息配置所述预设随机接入触发条件。
可选地，在所述确定是否满足预设随机接入取消条件之前，所述方法还包括：
根据所述基站发送的取消接入配置信息配置所述预设随机接入取消条件。
可选地，所述第一预设时间间隔和/或所述预设时间间隔为NR系统中的基本信息传输单位。
根据本公开实施例的第二方面，提供了一种请求上行传输资源的装置，设置于用户终端中，所述装置包括：
随机接入确定模块，被配置为在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
接入请求触发模块，被配置为在满足所述预设随机接入触发条件的情况下，触发竞争随机接入请求；
接入取消确定模块，被配置为在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
接入取消模块，被配置为在满足所述预设随机接入取消条件的情况下，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息。
可选的，所述装置还包括：
SR触发确定模块，被配置为在确定待发送的缓存状态报告BSR之后，确定是 否满足预设SR触发条件，其中，所述预设SR触发条件包括：在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant；
SR触发模块，被配置为在满足所述预设SR触发条件的情况下，触发所述上行资源SR。
可选的，所述装置还包括：
数据发送模块，被配置为若在所述第一预设时间间隔内接收到所述可用的UL-SCH资源或者被配置了所述UL-grant，利用所述可用的UL-SCH资源或所述UL-grant指示的上行传输资源向所述基站发送待传输数据和/或所述BSR。
可选的，所述接入请求触发模块，被配置为若在任意时刻没有配置的、用于传输所述上行资源SR的有效物理上行链路控制信道PUCCH资源；在预设时间间隔内没有所述可用的UL-SCH资源；并且，没有配置的所述UL-grant，触发竞争随机接入请求。
可选的，所述接入请求触发模块，包括：
比较子模块，被配置为若配置有至少一个用于传输所述上行资源SR的、有效物理上行链路控制信道PUCCH资源，且在预设时间间隔内没有所述可用的UL-SCH资源，并且没有所述配置的UL-grant确定所述上行资源SR的总计发送次数是否超过预设阈值；
接入请求触发子模块，被配置为若所述上行资源SR的总计发送次数超过所述预设阈值，触发竞争随机接入请求。
可选的，所述装置还包括：
SR取消模块，被配置为若在预设时间间隔内检测到所述可用的UL-SCH资源或所述配置的UL-grant，取消处于等待状态的所述上行资源SR。
可选的，所述预设随机接入取消条件，包括以下任意一项：
若在物理下行控制信道PDCCH上接收到所述基站分配的UL-grant；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第二预设发送信息。
可选的，所述预设随机接入取消条件，包括以下任意一项：
若监测到目标上行共享信道资源，其中，所述目标上行共享信道资源为所述基站在响应所述竞争随机接入请求之前提供的上行共享信道资源；
若监测到所述目标上行共享信道资源，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
若监测到所述目标上行共享信道资源，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
若监测到所述目标上行共享信道资源，并且未向所述基站发送所述竞争随机接入流程中的第二预设发送信息。
可选的，所述装置还包括：
第一配置模块，被配置为根据所述基站发送的SR触发配置信息配置所述预设SR触发条件。
可选的，所述装置还包括：
第二配置模块，被配置为根据所述基站发送的随机接入触发配置信息配置所述预设随机接入触发条件。
可选的，所述装置还包括：
第三配置模块，被配置为根据所述基站发送的取消接入配置信息配置所述预设随机接入取消条件。
可选的，所述第一预设时间间隔和/或所述预设时间间隔为NR系统中的基本信息传输单位。
根据本公开实施例的第三方面，提供了一种非临时性计算机可读存储介质，其上存储有计算机指令，该指令被处理器执行时实现上述第一方面任一所述方法的步骤。
根据本公开实施例的第四方面，提供了一种请求上行传输资源的装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
若满足所述预设随机接入触发条件，触发竞争随机接入请求；
在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息。
本公开的实施例提供的技术方案可以包括以下有益效果：
本公开的实施例中，当UE因当前没有可用的上行共享信道资源无法通过向基站发送上行缓存状态报告BSR的方式申请上行传输资源时，触发上行资源调度请求SR，随后根据预设随机接入触发条件确定是否取消待发送状态的上行资源SR，改由触发随机接入请求的方式向基站申请上行传输资源。在满足预设随机接入触发条件而触发了随机接入请求之后，在完成随机接入流程之前，用户终端可以实时确定是否被分配有可用的上行共享信道UL-SCH资源或者是否有配置的上行资源授予UL-grant，若有，在确定满足预设随机接入取消条件的情况下，可以取消上述竞争随机接入流程，转换为利用有效上行资源信息指示的上行传输资源向基站发送待传输数据或BSR，避免在明确有可用的上行传输资源发送待传输数据的情况下，还同时通过随机接入请求方式请求上行传输资源，减少系统资源浪费。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。
图1是本公开根据一示例性实施例示出的一种请求上行传输资源的方法流程图。
图2是本公开根据一示例性实施例示出的另一种请求上行传输资源的方法流程图。
图3是本公开根据一示例性实施例示出的另一种请求上行传输资源的方法流程图。
图4是本公开根据一示例性实施例示出的另一种请求上行传输资源的方法流程图。
图5是本公开根据一示例性实施例示出的一种竞争随机接入流程的示意图。
图6是本公开根据一示例性实施例示出的一种请求上行传输资源的装置框图。
图7是本公开根据一示例性实施例示出的另一种请求上行传输资源的装置框图。
图8是本公开根据一示例性实施例示出的另一种请求上行传输资源的装置框图。
图9是本公开根据一示例性实施例示出的另一种请求上行传输资源的装置框 图。
图10是本公开根据一示例性实施例示出的另一种请求上行传输资源的装置框图。
图11是本公开根据一示例性实施例示出的另一种用于请求上行传输资源的装置的一结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
本公开涉及的执行主体包括：5G网络LTE-NR interworking(互操作)阶段的基站和用户设备(User Equipment，UE)，其中，基站可以是设置有大规模天线阵列的基站、子基站等。用户设备UE可以是用户终端、用户节点、移动终端或平板电脑等。在具体实现过程中，基站和用户设备各自独立，同时又相互联系，共同实现本公开提供的技术方案。
首先介绍本公开的应用场景，UE需要向网络侧如基站发送数据时，需要有承载待传输数据的上行传输资源。若当前传输链路资源中分配给UE的上行传输资源不足，则UE需要首先向基站请求分配上行共享信道传输PUSCH资源，如LTE系统中的上行RB(Resource Block，资源块)。
在请求上行传输资源的过程中，UE可以采用以下三种方式向基站请求分配上行传输资源：
第一种方式，通过PUSCH(Physical Uplink Shared Channel，物理上行共享信道)向基站发送BSR(Buffer Status Report，缓存状态报告)，此种方式可以向基站上报当前待传输数据的数据量，以及期望被分配的资源数量，方便基站参考上述上报信息为UE分配合适的上行传输资源。
第二种方式，通过PUCCH(Physical Uplink Control Channel，物理上行链路控制信道)中向基站发送SR(Scheduling Request，调度请求)，由于PUCCH资源宝贵，基站不一定为每个UE都配置有用于传输SR的资源，且此种方式无法告诉基站当前待传输数据的数据量，以及期望被分配的资源数量。
第三种方式，通过SpCell(special Cell，特殊小区)向基站发起竞争随机接入 请求，申请上行传输资源，第三种方式相对于前两种方式时延较大。
在UE申请上行传输资源的过程，将优先采用BSR的方式，如果不能发送BSR，则采用SR的方式，最后考虑竞争随机接入的方式。
基于此，本公开提供了一种请求上行传输资源的方法，应用于用户终端中。参见图1根据一示例性实施例示出的一种请求上行传输资源的方法流程图，所述方法可以包括以下步骤：
在步骤11中，在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
本公开实施例中，UE在确定待发送的BSR之后，检测资源信息。上述检测资源信息的过程包括：确定是否有用于传输BSR的、上行共享信道UL-SCH资源，以及是否有配置的UL-grant，以便UE根据上述配置的UL-grant预知后续有可用的UL-SCH资源。并根据检测到的资源信息确定是否满足预设随机接入触发条件。
在检测到的资源信息满足预设SR触发条件的情况下，可以触发上行资源SR。
本公开中，UE可以根据以下任一预设SR触发条件，确定是否触发上行资源SR：
SR触发条件一，在确定待发送的BSR之后的第一预设时间间隔内没有可用的上行共享信道UL-SCH资源。本公开中，上述可用的UL-SCH资源可以承载BSR，将BSR发送给基站。
其中，本公开中的上述第一预设时间间隔可以是与确定待发送BSR时所在的基本信息传输单位、相邻的一个基本信息传输单位，例如，可以是LTE-NR网络TDD(Time Division Duplexing，时分双工)系统协议规定的基本信息传输单位。其中上述基本信息传输单位可以是：子帧、符号symbol、时隙slot、微时隙mini-slot等。其中，一个符号占用的时长最短；微时隙可以包含若干符号，比如5个符号；时隙包含的符号数量稍大于微时隙中的符号数量，比如，一个slot由7个符号组成，因此，一个slot的时长比一个微时隙稍长。
在本公开另一实施例中，上述预设时间间隔也可以是基站根据所述UE的调度信息动态配置的、以符号Symbol单位的一个预设时间间隔，比如包括3个符号的预设时间间隔。
示例性的，假设上述第一预设时间间隔是系统中规定的基本信息传输单位。以一个子帧为例，假设UE在第一子帧传输时确定有BSR，则UE可以在第二子帧到达时监听是否有该UE可用的UL-SCH资源，若没有，则触发上行资源SR，准备通过 SR方式请求基站分配上行传输资源。
SR触发条件二，在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有配置的UL-grant。
本公开中，UE通过上述配置的UL-grant可以预知基站后续给当前UE分配了可用的UL-SCH资源。
对应上述SR触发条件二，参见图2根据一示例性实施例示出的另一种请求上行传输资源的方法流程图，在上述步骤11之前，所述方法还可以包括：
在步骤101中，在确定待发送的缓存状态报告BSR之后，确定是否满足预设SR触发条件，其中，所述预设SR触发条件包括：在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant；即上述SR触发条件二。
在步骤102中，若满足所述预设SR触发条件，触发所述上行资源SR。
本公开实施例中，通过上述SR触发条件二确定是否触发SR请求时，除了考虑第一预设时间间隔内是否有可用的UL-SCH资源，还进一步考虑了后续是否有可以预知的、还未到达的UL-SCH资源。
如果在第一预设时间间隔内接收到了可用的UL-SCH资源，或者，在第一预设时间间隔结束时，确定有配置的UL-grant即有预知可用的UL-SCH资源，优先采用可用的的UL-SCH资源或预知可用的UL-SCH资源传输BSR，而避免通过发送上行资源SR的方式向基站请求上行传输资源。
反之，如果在第一预设时间间隔内没有收到可用的UL-SCH资源，并且，也没有配置的UL-grant，即没有预知可用的UL-SCH资源，则触发上行资源SR。
采用本公开实施例提供的请求上行传输资源的方法，一方面，当配置的UL-grant指示的、后续分配给UE的UL-SCH资源到达时，就可以用来发送BSR，不需要通过发送上行资源SR的方式申请上行传输资源，可以节约PUCCH资源。另一方面，由于通过SR方式请求上行资源时，基站无法确定待传输数据的数据量大小，因而也无法依据待传输数据量为UE分配合适的资源，后续UE仍然需要发送BSR来申请更多的上行传输资源，因此，采用本公开实施例提供的SR触发条件可以减少上行资源调度请求的请求次数。
若UE按照上述任一预设SR触发条件确定触发上行资源SR后，获得处于Pending状态的上行资源SR，则可以进一步根据后续检测到的资源信息确定是否满足预设随机接入触发条件，若满足，执行下述步骤12；反之，若不满足，根据检测到资源信息，通过发送BSR或上行资源SR的方式向基站请求上行传输资源。
在步骤12中，若满足所述预设随机接入触发条件，触发竞争随机接入请求；
若当前UE中有处于Pending状态的SR，UE会在后续每一个预设时间间隔进行如下判断：一、根据当前配置信息确定UE在任意时刻是否有配置的有效上行链路控制信道PUCCH资源，该有效PUCCH资源可以将上行资源SR发送给基站；二、上述预设时间间隔内是否有可用的UL-SCH资源；三，是否有配置的UL-grant。
根据上述判断结果，确定是否通过触发竞争随机接入请求的方式请求上行传输资源。
本公开实施例中，根据预设随机接入触发条件的不同，步骤12的实施至少可以包括以下两种情况：
第一种情况，若根据当前配置信息确定任意时刻没有配置的、用于传输所述上行资源SR的有效物理上行链路控制信道PUCCH资源，在每个预设时间间隔内没有可用的UL-SCH资源；并且，没有配置的所述UL-grant，触发竞争随机接入请求。
其中，本公开中的预设时间间隔可以是与上述上行资源SR触发时机所在的基本信息传输单位相邻的一个系统基本信息传输单位，如上所述，可以是LTE-NR网络的TDD(Time Division Duplexing，时分双工)系统协议规定的基本信息传输单位，比如，一个子帧、一个时隙、一个mini-slot；在本公开另一实施例中，上述预设时间间隔也可以是基站根据所述UE的调度信息动态配置的一个预设时间间隔，比如以符号Symbol单位的一个预设时间间隔。
上述第一种情况中，触发竞争随机接入请求同时需要满足以下三个条件：
条件一、在预设时间间隔内没有监测到可用的UL-SCH资源；
条件二、任意时刻都没有配置的有效PUCCH资源；
即根据当前配置信息，基站不仅在上述预设时间间隔内没有为UE配置上述有效PUCCH资源，在预设时间间隔之后也没有配置上述有效PUCCH资源。
条件三、没有检测到配置的所述UL-grant。
若其中任意一个条件不满足，都不足以触发竞争随机接入请求，原因如下：
若条件一不满足，说明UE在触发上行资源SR之后的预设时间间隔内检测到了可用的UL-SCH资源，利用该实时监测到的UL-SCH资源，可以向基站发送待传输数据或者发送BSR，不需要通过发起竞争随机接入请求向基站申请上行传输资源。
若条件二不满足，说明UE在触发上行资源SR之后，有用于传输上行资源SR的有效PUCCH资源，不需要通过发起竞争随机接入请求来申请上行传输资源。
本公开实施例中，UE中设置有计数器，UE在检测到有效上行资源信息之前， 每发送一次上行资源SR，上述计数器的值自增1。
若条件三不满足，说明UE在触发上行资源SR之后的预设时间间隔内检测到了配置的UL-grant，则UE根据后序配置的UL-grant可预知后续有可用的UL-SCH资源到达，当可用的UL-SCH资源到达时，可以向基站发送待传输数据或者发送BSR，不需要通过发起竞争随机接入请求来申请资源。
在本公开另一实施例中，针对条件一或三不满足的情况，若当前UE中有处于等待Pending状态的上行资源调度请求，还可以取消上述处于Pending状态的上行资源SR。
第二种情况，与上述第一种情况不同的是，在上行资源SR触发后，UE确定基站为UE配置有至少一个有效PUCCH资源，但上述有效PUCCH资源不能用于传输处于等待状态的上行资源SR，因此，触发了竞争随机接入请求。
参见图3根据一示例性实施例示出的另一种请求上行传输资源的方法流程图，在上述步骤12可以包括：
在步骤121中，若配置有至少一个用于传输所述上行资源SR的、有效物理上行链路控制信道PUCCH资源，且在预设时间间隔内没有所述可用的UL-SCH资源，并且没有所述配置的UL-grant，确定所述上行资源SR的总计发送次数是否超过预设阈值；
本公开实施例中，UE在发送上行资源SR后，在检测到基站为其配置的有效上行资源信息之前，会定时重复发送上行资源SR，同时可以启动一个计数器，在检测到有效上行资源信息之前，每发送一次上行资源SR，上述计数器的值自增1，从而统计上行资源SR的总计发起次数。每当确定有配置的有效PUCCH资源时，首先确定所述上行资源SR的总计发送次数是否超过预设阈值；
本公开实施例中，按照预设协议规定，UE被配置有一个SR发送次数最大值，可以表示为M。若将上述计数器记录的上行资源SR的总计发起次数表示为N。本公开实施例中，将N与M作比较，以确定当前处于Pending状态的上行资源SR是否可以通过当前检测到的有效PUCCH资源发送给基站。若N小于M，则指示物理层可以通过当前检测到的有效PUCCH资源向基站发送上述上行资源SR。反之，执行步骤122。
在步骤122中，若所述上行资源SR的总计发送次数超过所述预设阈值，触发竞争随机接入请求。
即，若N大于等于M，确定上述检测到的有效PUCCH资源不能用于传输当前处于Pending状态的上行资源SR，取消上述所有处于Pending状态的上行资源SR，触 发竞争随机接入请求。
本公开实施例中，UE在确定满足上述第一情况或第二情况所述的、预设随机接入触发条件时，可以通过特殊小区SpCell向基站发送竞争随机接入请求，以请求基站为其分配上行传输资源。其中，上述SpCell可以包括：PCell(Primary Cell，主小区)或，PSCell(Primary Secondary Cell，主辅小区)。
针对上述第一种情况、第二种情况相反的应用场景，参见图4根据一示例性实施例示出的另一种请求上行传输资源的方法流程图，在上述步骤11之后，上述方法还可以包括：
在步骤12-1中，若在预设时间间隔内检测到所述可用的UL-SCH资源或所述配置的UL-grant，取消处于等待状态的所述上行资源SR。
在本公开一实施例中，若UE在触发上行资源SR之后的预设时间间隔内检测到可用的UL-SCH资源，利用当前检测到的UL-SCH资源发送待传输数据和/或BSR，不需要通过发送上行资源SR的方式来向基站请求上行传输资源，因此，取消上述处于Pending状态的上行资源SR。
在本公开另一实施例中，若UE在触发上行资源SR之后的预设时间间隔内检测到了配置的UL-grant，比如基站后续又为UE实时配置了UL-grant，并在上述预设时间间隔内通过RRC(Radio Resource Control，无线资源控制协议)上层控制信令下发给了UE，则UE可以根据后序配置的UL-grant，可预知后续有可用的UL-SCH资源到达，当可用的UL-SCH资源到达时，可以待传输数据和/或采用优先级最高的、发送BSR的方式向基站请求上行传输资源，不需要通过发送上行资源SR的方式来向基站请求上行传输资源，因此，取消上述处于Pending状态的上行资源SR，也不需要通过发起竞争随机接入请求的方式向基站请求上行传输资源。
在步骤13中，在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
本公开实施例中，UE从触发竞争随机接入请求到与基站之间完成竞争随机接入流程，需要花费一些时间比如5ms，在此期间，UE还可以根据检测到的资源信息确定是否满足预设随机接入取消条件；若不满足，继续执行竞争随机接入流程；若满足，执行步骤14。
在步骤14中，若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息；
本公开实施例中，上述有效上行资源信息可以包括：可用的上行共享信道 UL-SCH资源，或者，配置的上行资源授予UL-grant。
同理，UE在触发了竞争随机接入请求之后，不一定即刻就可以将上述竞争随机接入请求发送给基站，也要确定当前是否有可用的随机接入信道资源。也就是说，UE触发竞争随机接入请求的时刻与实际可以向基站发送上述竞争随机接入请求之间有可能存在时间间隔。例如，在NR系统中，随机接入信道可能配置的相对稀疏，假设系统的基本信息传输单位为一个子帧，系统有可能仅在奇数帧或偶数帧配置随机接入信道资源。若UE发起竞争随机接入请求时所在的当前帧为一个奇数帧，比如表示为TTI1，假设系统仅在奇数帧配置随机接入信道资源，则最近的随机接入信道位于TTI3中，中间间隔了一个基本信息传输单位TTI2，若UE在TTI2到来时检测到有效上行资源信息，则可以取消上述竞争随机接入流程。
另一方面，即便UE在触发竞争随机接入请求的时刻，系统传输链路上有可用的随机接入信道资源，UE完成整个竞争随机接入过程也需要花费时间。本公开实施例中，也可以确定上述时间内是否可以检测到有效上行资源信息，若检测得到，可以即可终止上述竞争随机接入流程。
假设在LTE-NR interworking阶段仍沿用LTE系统中规定的竞争随机接入机制，则上述竞争随机接入流程如图5所示，根据相关知识，UE和基站eNB之间完成竞争随机接入需要四个步骤，分别为:
步骤A，UE向基站发送随机接入前导码Random Access Preamble；
步骤B，基站向UE返回随机接入响应消息Random Access Response；
其中，Random Access Response可以简称为RA Response消息，也称为MSG2，该RA Response消息包括：为传输MSG3分配的PUSCH上行调度信息，可以包括是否跳频、调制编码率、接入资源和接入时刻等内容。
步骤C，UE向基站发送MSG3；
UE可以根据RA Response中eNB为其分配的上行资源中传输MSG3，以便进行后续的数据传输。
步骤D，基站向UE发送MSG4。
基站eNB和UE最终通过MSG4完成竞争解决。
本公开实施例中，结合UE在上述竞争随机接入过程中检测到的有效上行资源信息以及检测到上述有效上行资源信息时所处的不同阶段，上述步骤14中的预设随机接入取消条件可以包括：
情况一，若UE在完成随机接入流程前，在PDCCH(Physical Downlink Control  Channel，物理下行控制信道)上检测到基站分配的UL-grant，上述预设随机接入取消条件可以包括以下任一项：
取消条件一、若在PDCCH上接收到所述基站分配的UL-grant；
即UE在完成竞争随机接入流程之前，若在PDCCH上接收到基站为其分配的UL-grant，UE即可预知后续有可用的UL-SCH资源到达，当上述后续可用的UL-SCH资源到达时，即可使用UL-SCH资源向基站发送BSR，请求上行传输资源，没有必要通过竞争随机接入方式请求基站为其分配上行传输资源，因而，UE可以取消上述竞争随机接入流程，节约系统信令开销并节约系统资源。
取消条件二、若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
在本公开一实施例中，上述第一预设发送信息，可以是上述步骤A中UE向基站发送的随机接入前导码。
取消条件三、若在所述PDCCH上接收到所述基站分配的UL-grant，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
在本公开一实施例中，上述第一预设响应信息可以是基站向UE发送的、针对RA-RNTI(Random Access-Radio Network Temporary Identifier，随机接入-无线网络临时标识)的响应信息RAR。该RA-RNTI的RAR中包括UL-grant。
取消条件四、若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第二预设发送信息。
在本公开一实施例中，上述第二预设发送信息可以是上述步骤D中UE向基站发送的MSG3。
本公开实施例中，UE在随机接入流程完成之前的任何步骤对应的时间节点之前，接收到基站通过PDCCH分配给UE的UL-grant，均可以即刻终止竞争随机接入流程，减少信令开销，节约系统资源。
情况二，若UE在完成随机接入流程前，接收到基站分配的UL-SCH资源，上述预设随机接入取消条件可以包括以下任一项：
第一取消条件、若监测到目标上行共享信道资源，其中，所述目标上行共享信道资源为所述基站在响应所述竞争随机接入请求之前提供的上行共享信道资源；
即UE在完成竞争随机接入流程之前，若监测到基站为其分配的UL-SCH资源，UE可使用当前监测到的、可用的UL-SCH资源向基站发送BSR，请求上行传输资源，没有必要再通过竞争随机接入方式请求基站为其分配上行传输资源，因而可以取消上 述竞争随机接入流程。
第二取消条件、若监测到所述目标上行共享信道资源，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
与上述取消条件二类似，在本公开一实施例中，上述第一预设发送消息可以是图5所示步骤A中的随机接入前导码。
第三取消条件、若监测到所述目标上行共享信道资源，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
与上述取消条件三类似，在本公开一实施例中，上述第一预设响应信息可以是图5所示步骤B中，基站向UE发送的、针对RA-RNTI(Random Access-Radio Network Temporary Identifier，随机接入-无线网络临时标识)的响应信息RAR。
第四取消条件、若监测到所述目标上行共享信道资源，并且未向所述基站发送所述竞争随机接入流程中的第二预设发送信息。
同理，与上述取消条件四类似，在本公开一实施例中，上述第二预设发送信息可以是图5所示步骤D中UE向基站发送的MSG3。
本公开实施例中，在竞争随机接入流程完成之前，UE若在PUSCH上监测到了可用的UL-SCH资源，则可以单方面取消竞争随机接入流程，节约信令开销。另外，UE在监测到有可用的UL-SCH资源时，可以利用当前有可用的UL-SCH资源向基站发送待传输数据和/或BSR，可以缩短待传输上行数据的传输时延，或者通过发送BSR的方式，使得基站有可能一次性为UE分配足够的上行传输资源，避免后续因上行传输资源不够用而再次或多次向基站请求上行传输资源，提高当前待传输数据的传输时效性，提升UE的5G网络用户体验。
此外，本公开中，上述预设SR触发条件、预设随机接入触发条件以及预设随机接入取消条件中任一项，均可以是基站根据对当前UE的调度信息进行动态配置的。在本公开一实施例中，UE在执行上述步骤101之前，还可以包括：根据所述基站发送的SR触发配置信息配置所述预设SR触发条件。其中，上述预设SR触发条件中涉及的第一预设时间间隔可以是基站根据对当前UE的调度信息确定的一个时间间隔，基站可以根据对上述UE调度信息的调整，动态调整上述预设SR触发条件，以便UE采用合适的资源检测时间窗口，准确地确定可用的UL-SCH资源的位置或者快速地获取配置的UL-grant，确保UE可以及时并准确地向基站请求上行传输资源。
同理，在本公开另一实施例中，UE在执行上述步骤11之前，还可以包括：根据所述基站发送的随机接入触发配置信息配置所述预设随机接入触发条件。
其中，上述预设随机接入触发条件中涉及的预设时间间隔也可以是基站根据对当前UE的调度信息确定的一个时间间隔，基站可以根据对上述UE的调度信息调整，动态调整上述预设随机接入触发条件，确保UE按照优先级从高到低的上行资源请求方式向基站请求上行传输资源，节约信令开销，避免资源浪费。
同上，在本公开另一实施例中，UE在执行上述步骤13之前，比如步骤11之前，还可以包括：根据所述基站发送的取消接入配置信息配置所述预设随机接入取消条件。
本公开实施例中，UE也可以接收基站下发的取消接入配置信息灵活配置随机接入取消条件，可以根据不同需求灵活配置随机接入取消条件。比如，采用上述取消条件一至取消条件四确定是否取消竞争随机接入流程，可以在UL-grant指示的上行传输资源到来之前，节约UE因不断检测有效资源信息所花费的信令开销。采用上述第一取消条件至第四取消条件确定是否取消竞争随机接入流程，可以增加通过BSR方式获取上行传输资源的几率，确保UE以最优先的发送BSR方式获取基站分配的上行传输资源，减少UE通过竞争随机接入请求方式向基站申请上行传输资源的概率，进而减少待传输数据的传输时延。
对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本公开并不受所描述的动作顺序的限制，因为依据本公开，某些步骤可以采用其他顺序或者同时进行。
其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于可选实施例，所涉及的动作和模块并不一定是本公开所必须的。
与前述应用功能实现方法实施例相对应，本公开还提供了应用功能实现装置及相应的终端的实施例。
相应的，本公开还提供了一种请求上行传输资源的装置，设置于用户终端中。参见图6根据一示例性实施例示出的一种请求上行传输资源的装置框图，所述装置可以包括：
随机接入确定模块21，被配置为在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
接入请求触发模块22，被配置为在满足所述预设随机接入触发条件的情况下，触发竞争随机接入请求；
在本公开另一实施例中，所述接入请求触发模块22，可以被配置为若在任意时刻没有配置的、用于传输所述上行资源SR的有效物理上行链路控制信道PUCCH资源； 在预设时间间隔内没有所述可用的UL-SCH资源；并且，没有配置的所述UL-grant，触发竞争随机接入请求。
接入取消确定模块23，被配置为在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
接入取消模块24，被配置为在满足所述预设随机接入取消条件的情况下，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息；上述有效上行资源信息包括：可用的上行共享信道UL-SCH资源，或者，配置的上行资源授予UL-grant。
在本公开一装置实施例中，所述预设随机接入取消条件，包括以下任意一项：
若在物理下行控制信道PDCCH上接收到所述基站分配的UL-grant；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第二预设发送信息。
在本公开另一装置实施例中，所述预设随机接入取消条件，还可以包括以下任意一项：
若监测到目标上行共享信道资源，其中，所述目标上行共享信道资源为所述基站在响应所述竞争随机接入请求之前提供的上行共享信道资源；
若监测到所述目标上行共享信道资源，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
若监测到所述目标上行共享信道资源，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
若监测到所述目标上行共享信道资源，并且未向所述基站发送所述竞争随机接入流程中的第二预设发送信息。
参见图7根据一示例性实施例示出的另一种请求上行传输资源的装置框图，在图6所示装置实施例的基础上，所述装置还可以包括：
SR触发确定模块201，被配置为在确定待发送的缓存状态报告BSR之后，确定是否满足预设SR触发条件，其中，所述预设SR触发条件包括：在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant；
SR触发模块202，被配置为在满足所述预设SR触发条件的情况下，触发所述上行资源SR。
参见图8根据一示例性实施例示出的另一种请求上行传输资源的装置框图，在图7所示装置实施例的基础上，所述装置还可以包括：
数据发送模块203，被配置为若在所述第一预设时间间隔内接收到所述可用的UL-SCH资源或者被配置了所述UL-grant，利用所述可用的UL-SCH资源或所述UL-grant指示的上行传输资源向所述基站发送待传输数据或所述BSR。
参见图9根据一示例性实施例示出的另一种请求上行传输资源的装置框图，在图6～8任一所示的装置实施例的基础上，所述接入请求触发模块22，可以包括：
比较子模块221，被配置为若配置有至少一个用于传输所述上行资源SR的、有效物理上行链路控制信道PUCCH资源，且在预设时间间隔内没有所述可用的UL-SCH资源，并且没有所述配置的UL-grant，确定所述上行资源SR的总计发送次数是否超过预设阈值；
接入请求触发子模块222，被配置为若所述上行资源SR的总计发送次数超过所述预设阈值，触发竞争随机接入请求。
参见图10根据一示例性实施例示出的另一种请求上行传输资源的装置框图，在图7所示的装置实施例的基础上，所述装置还可以包括：
SR取消模块204，被配置为若在预设时间间隔内有所述可用的UL-SCH资源或所述配置的UL-grant，取消处于等待状态的所述上行资源SR。
此外，在本公开提供的另一请求上行传输资源的装置实施例中，还可以包括以下至少一个配置模块：
第一配置模块，被配置为根据所述基站发送的SR触发配置信息配置所述预设SR触发条件。
第二配置模块，被配置为根据所述基站发送的随机接入触发配置信息配置所述预设随机接入触发条件。
第三配置模块，被配置为根据所述基站发送的取消接入配置信息配置所述预设随机接入取消条件。
本公开中，所述第一预设时间间隔和/或所述预设时间间隔为NR系统中的基本信息传输单位。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中上述作为分 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模块来实现本公开方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
相应的，一方面提供了一种请求上行传输资源的装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
若满足所述预设随机接入触发条件，触发竞争随机接入请求；
在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：检测到有效上行资源信息。
图11是根据一示例性实施例示出的另一种用于请求上行传输资源的装置1100的结构示意图。例如，装置1100可以是终端，可以具体为移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理，可穿戴设备如智能手表、智能眼镜、智能手环、智能跑鞋等。
参照图11，装置1100可以包括以下一个或多个组件：处理组件1102，存储器1104，电源组件1106，多媒体组件1108，音频组件1110，输入/输出(I/O)的接口1112，传感器组件1114，以及通信组件1116。
处理组件1102通常控制装置1100的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件1102可以包括一个或多个处理器1120来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件1102可以包括一个或多个模块，便于处理组件1102和其他组件之间的交互。例如，处理组件1102可以包括多媒体模块，以方便多媒体组件1108和处理组件1102之间的交互。
存储器1104被配置为存储各种类型的数据以支持在设备1100的操作。这些数据的示例包括用于在装置1100上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器1104可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件1106为装置1100的各种组件提供电力。电源组件1106可以包括电源管理系统，一个或多个电源，及其他与为装置1100生成、管理和分配电力相关联的组件。
多媒体组件1108包括在上述装置1100和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。上述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与上述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件1108包括一个前置摄像头和/或后置摄像头。当设备1100处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1110被配置为输出和/或输入音频信号。例如，音频组件1110包括一个麦克风(MIC)，当装置1100处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1104或经由通信组件1116发送。在一些实施例中，音频组件1110还包括一个扬声器，用于输出音频信号。
I/O接口1112为处理组件1102和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件1114包括一个或多个传感器，用于为装置1100提供各个方面的状态评估。例如，传感器组件1114可以检测到设备1100的打开/关闭状态，组件的相对定位，例如上述组件为装置1100的显示器和小键盘，传感器组件1114还可以检测装置1100或装置1100一个组件的位置改变，用户与装置1100接触的存在或不存在，装置1100方位或加速/减速和装置1100的温度变化。传感器组件1114可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1114还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件1114还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件1116被配置为便于装置1100和其他设备之间有线或无线方式的通信。装置1100可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组 合。在一个示例性实施例中，通信组件1116经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，上述通信组件1116还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置1100可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器1104，上述指令可由装置1100的处理器1120执行以完成上述图1～图4任一所述的请求上行传输资源的方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的公开后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (26)

  1. 一种请求上行传输资源的方法，应用于用户终端中，所述方法包括：
    在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
    若满足所述预设随机接入触发条件，触发竞争随机接入请求；
    在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
    若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：检测到有效上行资源信息。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    在确定待发送的缓存状态报告BSR之后，确定是否满足预设SR触发条件，其中，所述预设SR触发条件包括：在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant；
    若满足所述预设SR触发条件，触发所述上行资源SR。
  3. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    若在所述第一预设时间间隔内接收到所述可用的UL-SCH资源或者被配置了所述UL-grant，利用所述可用的UL-SCH资源或所述UL-grant指示的上行传输资源向所述基站发送待传输数据和/或所述BSR。
  4. 根据权利要求1所述的方法，其特征在于，所述若满足所述预设随机接入触发条件，触发竞争随机接入请求，包括：
    若在任意时刻没有配置的、用于传输所述上行资源SR的有效物理上行链路控制信道PUCCH资源；在预设时间间隔内没有所述可用的UL-SCH资源；并且，没有配置的所述UL-grant，触发竞争随机接入请求。
  5. 根据权利要求1所述的方法，其特征在于，所述若满足所述预设随机接入触发条件，触发竞争随机接入请求，包括：
    若配置有至少一个用于传输所述上行资源SR的、有效物理上行链路控制信道PUCCH资源，在预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant，确定所述上行资源SR的总计发送次数是否超过预设阈值；
    若所述上行资源SR的总计发送次数超过所述预设阈值，触发竞争随机接入请求。
  6. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    若在预设时间间隔内有所述可用的UL-SCH资源或所述配置的UL-grant，取消处于等待状态的所述上行资源SR。
  7. 根据权利要求1所述的方法，其特征在于，所述预设随机接入取消条件，包括 以下任意一项：
    若在物理下行控制信道PDCCH上接收到所述基站分配的UL-grant；
    若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
    若在所述PDCCH上接收到所述基站分配的UL-grant，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
    若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第二预设发送信息。
  8. 根据权利要求1所述的方法，其特征在于，所述预设随机接入取消条件，包括以下任意一项：
    若监测到目标上行共享信道资源，其中，所述目标上行共享信道资源为所述基站在响应所述竞争随机接入请求之前提供的上行共享信道资源；
    若监测到所述目标上行共享信道资源，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
    若监测到所述目标上行共享信道资源，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
    若监测到所述目标上行共享信道资源，并且未向所述基站发送所述竞争随机接入流程中的第二预设发送信息。
  9. 根据权利要求2所述的方法，其特征在于，在所述确定是否满足预设SR触发条件之前，所述方法还包括：
    根据所述基站发送的SR触发配置信息配置所述预设SR触发条件。
  10. 根据权利要求1所述的方法，其特征在于，在所述确定是否满足预设随机接入触发条件之前，所述方法还包括：
    根据所述基站发送的随机接入触发配置信息配置所述预设随机接入触发条件。
  11. 根据权利要求1所述的方法，其特征在于，在所述确定是否满足预设随机接入取消条件之前，所述方法还包括：
    根据所述基站发送的取消接入配置信息配置所述预设随机接入取消条件。
  12. 根据权利要求2、4或5所述的方法，其特征在于，所述第一预设时间间隔和/或所述预设时间间隔为NR系统中的基本信息传输单位。
  13. 一种请求上行传输资源的装置，其特征在于，设置于用户终端中，所述装置包括：
    随机接入确定模块，被配置为在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
    接入请求触发模块，被配置为在满足所述预设随机接入触发条件的情况下，触发竞争随机接入请求；
    接入取消确定模块，被配置为在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
    接入取消模块，被配置为在满足所述预设随机接入取消条件的情况下，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息。
  14. 根据权利要求13所述的装置，其特征在于，所述装置还包括：
    SR触发确定模块，被配置为在确定待发送的缓存状态报告BSR之后，确定是否满足预设SR触发条件，其中，所述预设SR触发条件包括：在第一预设时间间隔内没有所述可用的UL-SCH资源，并且，没有所述配置的UL-grant；
    SR触发模块，被配置为在满足所述预设SR触发条件的情况下，触发所述上行资源SR。
  15. 根据权利要求14所述的装置，其特征在于，所述装置还包括：
    数据发送模块，被配置为若在所述第一预设时间间隔内接收到所述可用的UL-SCH资源或者被配置了所述UL-grant，利用所述可用的UL-SCH资源或所述UL-grant指示的上行传输资源向所述基站发送待传输数据和/或所述BSR。
  16. 根据权利要求13所述的装置，其特征在于，所述接入请求触发模块，被配置为若在任意时刻没有配置的、用于传输所述上行资源SR的有效物理上行链路控制信道PUCCH资源；在预设时间间隔内没有所述可用的UL-SCH资源；并且，没有配置的所述UL-grant，触发竞争随机接入请求。
  17. 根据权利要求13所述的装置，其特征在于，所述接入请求触发模块，包括：
    比较子模块，被配置为若配置有至少一个用于传输所述上行资源SR的、有效物理上行链路控制信道PUCCH资源，且在预设时间间隔内没有所述可用的UL-SCH资源，并且没有所述配置的UL-grant，确定所述上行资源SR的总计发送次数是否超过预设阈值；
    接入请求触发子模块，被配置为若所述上行资源SR的总计发送次数超过所述预设阈值，触发竞争随机接入请求。
  18. 根据权利要求13所述的装置，其特征在于，所述装置还包括：
    SR取消模块，被配置为若在预设时间间隔内有所述可用的UL-SCH资源或所述配置的UL-grant，取消处于等待状态的所述上行资源SR。
  19. 根据权利要求13所述的装置，其特征在于，所述预设随机接入取消条件，包括以下任意一项：
    若在物理下行控制信道PDCCH上接收到所述基站分配的UL-grant；
    若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
    若在所述PDCCH上接收到所述基站分配的UL-grant，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
    若在所述PDCCH上接收到所述基站分配的UL-grant，并且未向所述基站发送竞争随机接入流程中的第二预设发送信息。
  20. 根据权利要求13所述的装置，其特征在于，所述预设随机接入取消条件，包括以下任意一项：
    若监测到目标上行共享信道资源，其中，所述目标上行共享信道资源为所述基站在响应所述竞争随机接入请求之前提供的上行共享信道资源；
    若监测到所述目标上行共享信道资源，并且未向所述基站发送竞争随机接入流程中的第一预设发送信息；
    若监测到所述目标上行共享信道资源，并且未接收到所述基站在所述竞争随机接入流程中发送的第一预设响应信息；
    若监测到所述目标上行共享信道资源，并且未向所述基站发送所述竞争随机接入流程中的第二预设发送信息。
  21. 根据权利要求14所述的装置，其特征在于，所述装置还包括：
    第一配置模块，被配置为根据所述基站发送的SR触发配置信息配置所述预设SR触发条件。
  22. 根据权利要求13所述的装置，其特征在于，所述装置还包括：
    第二配置模块，被配置为根据所述基站发送的随机接入触发配置信息配置所述预设随机接入触发条件。
  23. 根据权利要求13所述的装置，其特征在于，所述装置还包括：
    第三配置模块，被配置为根据所述基站发送的取消接入配置信息配置所述预设随机接入取消条件。
  24. 根据权利要求14、16或17所述的装置，其特征在于，所述第一预设时间间 隔和/或所述预设时间间隔为NR系统中的基本信息传输单位。
  25. 一种非临时性计算机可读存储介质，其上存储有计算机指令，其特征在于，该指令被处理器执行时实现权利要求1～12任一所述方法的步骤。
  26. 一种请求上行传输资源的装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    在触发上行资源调度请求SR之后，确定是否满足预设随机接入触发条件；
    若满足所述预设随机接入触发条件，触发竞争随机接入请求；
    在完成竞争随机接入流程之前，确定是否满足预设随机接入取消条件；
    若满足所述预设随机接入取消条件，取消所述竞争随机接入流程，其中，所述预设随机接入取消条件至少包括：接收到有效上行资源信息。
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