WO2014000201A1 - Uplink resource allocation method and device - Google Patents
Uplink resource allocation method and device Download PDFInfo
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- WO2014000201A1 WO2014000201A1 PCT/CN2012/077698 CN2012077698W WO2014000201A1 WO 2014000201 A1 WO2014000201 A1 WO 2014000201A1 CN 2012077698 W CN2012077698 W CN 2012077698W WO 2014000201 A1 WO2014000201 A1 WO 2014000201A1
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- scheduling request
- uplink scheduling
- request channel
- base station
- uplink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the present invention relates to the field of communications technologies, and in particular, to an uplink resource allocation method and apparatus. Background technique
- the PDSCH is controlled by the base station (e B )
- the amount of the uplink data to be sent may be notified to the base station by using a BSR (Buffer Status Report), where the BSR is encapsulated in a MAC (Media Access Control, media connection).
- the PUCCH Physical Uplink Control Channel
- the UE sends the SR (Scheduling Request) on the PUCCH.
- the scheduling request is sent to inform the base station that the UE is waiting to be transmitted by data, and the PUCCH resources of the multiple UEs may be multiplexed on one physical layer RB (Resource Block).
- the base station configures a dedicated PUCCH for transmitting an SR for each UE, which may also be called an SR-PUCCH, and the UE sends an SR on the SR-PUCCH.
- the uplink scheduling may be performed by the UE-specific C-RNTK Cell-Radio Network Temporary Identifier.
- the base station since the base station needs to separately configure one SR-PUCCH resource for each UE, when the SR transmission requirement of the system is small, the resource utilization of the SR-PUCCH is not high, thereby causing waste of system resources. Summary of the invention
- the embodiments of the present invention provide an uplink resource allocation method and device, so as to solve the problem that the resource utilization of the SR-PUCCH in the prior art is not high, resulting in wasted system resources.
- an uplink resource allocation method includes:
- the base station saves the configuration information of the uplink scheduling request channel resource configured for each user equipment UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UE is less than The number of uplink scheduling request channel resources;
- the base station After receiving the scheduling request SR sent by the UE through the configured at least two uplink scheduling request channel resources, the base station determines, according to the configuration information, the UE that sends the SR;
- An uplink resource is allocated to the determined UE.
- another uplink resource allocation method includes:
- the UE stores configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
- an uplink resource allocation apparatus includes:
- a saving unit configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UEs is smaller than the The number of uplink scheduling request channel resources;
- a receiving unit configured to receive, by using, the UE, the configured at least two uplink scheduling request channel resources
- a determining unit configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
- an allocating unit configured to allocate an uplink resource to the UE determined by the determining unit.
- another uplink resource allocation device includes:
- a saving unit configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
- a sending unit configured to send, to the base station, an SR according to an uplink scheduling request channel resource configured for the UE in the configuration information, when the UE needs to send uplink data;
- the first receiving unit is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR.
- the base station saves configuration information of an uplink scheduling request channel resource configured for each user equipment UE, where each UE configures at least two uplink scheduling request channel resources, where the number of UEs is smaller than the uplink scheduling request.
- the number of the channel resources after the base station receives the SR that the UE sends through the configured at least two uplink scheduling request channel resources, determines the UE that sends the SR according to the saved configuration information, and allocates the uplink resource to the determined UE.
- multiple UEs may share an uplink scheduling request channel resource, and the number of UEs is smaller than The uplink scheduling requests the number of channel resources, so that the utilization of the uplink scheduling request channel resources in the system can be improved, and the waste of system resources is reduced.
- each UE is configured with at least two uplink scheduling request channel resources, the UE is configured. After the at least two uplink scheduling request channel resources are sent by the SR, the base station may determine, according to the configuration information, the UE that sends the SR, so that the base station can accurately determine the UE that needs uplink scheduling while improving the utilization of the uplink scheduling request channel resource.
- FIG. 1 is a flowchart of an embodiment of an uplink scheduling method according to the present invention.
- FIG. 2 is a flow chart of another embodiment of an uplink scheduling method according to the present invention.
- FIG. 3 is a flowchart of another embodiment of an uplink scheduling method according to the present invention.
- FIG. 4 is a schematic diagram of a configuration for configuring an uplink scheduling request channel resource for a UE
- FIG. 5 is a block diagram of an embodiment of an uplink scheduling apparatus according to the present invention.
- FIG. 6A is a block diagram of another embodiment of an uplink scheduling apparatus according to the present invention.
- Figure 6B is a block diagram of an embodiment of the determining unit of Figure 6A;
- FIG. 7 is a block diagram of another embodiment of an uplink scheduling apparatus according to the present invention.
- FIG. 8 is a block diagram of another embodiment of an uplink scheduling apparatus according to the present invention.
- DETAILED DESCRIPTION OF THE INVENTION The following embodiments provide an uplink resource allocation method and apparatus to improve the utilization of uplink scheduling request channel resources in the system and reduce waste of system resources.
- FIG. 1 is a flowchart of an embodiment of an uplink resource allocation method according to the present invention
- the embodiment describes a process of uplink resource allocation from a base station side:
- Step 101 The base station saves configuration information of an uplink scheduling request channel resource configured for each UE, where each UE configures at least two uplink scheduling request channel resources, where the number of UEs is smaller than the uplink tone The number of requested channel resources.
- the uplink scheduling request channel resource may include at least one of the following resources: SR-PUCCH (scheduling request-physical uplink control channel), preamble in PRACH (Physical Random Access Channel) Pilot code).
- SR-PUCCH scheduling request-physical uplink control channel
- PRACH Physical Random Access Channel Pilot code
- Each of the uplink scheduling request channel resources can be shared by at least two UEs, thereby further improving the utilization of the uplink scheduling request channel resources and reducing the waste of system resources.
- Step 102 After receiving the scheduling request SR sent by the UE through the configured at least two uplink scheduling request channel resources, the base station determines, according to the configuration information, the UE that sends the SR.
- the UE When the uplink scheduling request channel resource configured by the base station for the UE is the SR-PUCCH, the UE sends the SR through the SR-PUCCH.
- the uplink scheduling request channel resource configured by the base station for the UE is the preamble of the PRACH, the UE passes the The SR is sent by a dedicated preamble code on the PRACH.
- the base station searches for the saved configuration information according to the received uplink scheduling request channel resource, and acquires a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes the UE configured with the uplink scheduling request channel resource, and compares Obtaining the UE set, obtaining an intersection of the UE set according to the comparison result, and determining the UE in the intersection as the UE transmitting the SR.
- Step 103 The base station allocates an uplink resource to the determined UE.
- the base station may allocate a dedicated uplink resource to the UE through the C-RNTI dedicated to the UE, so that the UE completes the uplink data transmission by using the uplink resource.
- the foregoing embodiments do not need to configure a separate uplink scheduling request channel resource for each UE, but multiple UEs can share the uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so
- the uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources.
- the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink, while improving the utilization of the uplink scheduling request channel resource.
- FIG. 2 it is a flowchart of another embodiment of an uplink resource allocation method according to the present invention. The embodiment details the process of uplink resource allocation from the base station side:
- Step 201 The base station saves configuration information of an uplink scheduling request channel resource configured for each UE, where each UE configures at least two uplink scheduling request channel resources, and each uplink scheduling request channel resource is shared by at least two UEs.
- the number of UEs is less than the number of uplink scheduling request channel resources.
- the uplink scheduling request channel resource may include at least one of the following resources:
- SR-PUCCH (scheduling request-physical uplink control channel), preamble (pilot code) in PRACH (Physical Random Access Channel).
- Step 202 The base station sends at least two uplink scheduling request channel resources configured for each UE to the UE by using an RRC message.
- the RRC (Radio Resource Control) message may include: an RRC connection setup message (RRC Connection Setup), an RRC connection reconfiguration message (RRC Connection Reconfiguration), and an RRC connection re-establishment message (RRC Connection). Reestablishment 0
- RRC connection setup message RRC Connection Setup
- RRC Connection Reconfiguration RRC connection reconfiguration
- the RRC message is only used for the convenience of the description in the embodiment of the present invention, and is not used to limit the embodiment of the present invention, as long as the message can send the configuration information to the UE.
- Step 203 The base station receives a scheduling request SR that is sent by the UE through the configured at least two uplink scheduling request channel resources.
- the UE When the uplink scheduling request channel resource configured by the base station for the UE is the SR-PUCCH, the UE sends the SR through the SR-PUCCH.
- the uplink scheduling request channel resource configured by the base station for the UE is the preamble of the PRACH, the UE passes the The SR is sent by a dedicated preamble code on the PRACH.
- Step 204 The base station searches for the saved configuration information according to the received uplink scheduling request channel resource, and acquires a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes the UE configured with the received uplink scheduling request channel resource. .
- Step 205 Compare all UE sets, obtain an intersection of the UE set according to the comparison result, and determine the UE of the intersection as the UE that sends the SR.
- Step 206 The base station allocates an uplink resource to the determined UE.
- the base station may allocate a dedicated uplink resource to the UE through the C-RNTI dedicated to the UE, so that the UE completes the uplink data transmission by using the uplink resource.
- the foregoing embodiments do not need to configure a separate uplink scheduling request channel resource for each UE, but multiple UEs can share the uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so
- the uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources.
- the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink, while improving the utilization of the uplink scheduling request channel resource.
- FIG. 3 it is a flowchart of another embodiment of an uplink resource allocation method according to the present invention. This embodiment describes a process of uplink resource allocation from a UE side:
- Step 301 The UE saves configuration information of an uplink scheduling request channel resource configured by the base station for the UE, and the base station configures at least two uplink scheduling request channel resources for the UE.
- the UE receives an RRC message sent by the base station, where the RRC message includes an uplink scheduling request channel resource configured by the base station for the UE.
- the RRC (Radio Resource Control) message may include: an RRC connection setup message (RRC Connection Setup), an RRC connection reconfiguration message (RRC Connection Reconfiguration), and an RRC connection re-establishment message (RRC Connection). Reestablishment).
- RRC Connection RRC connection setup message
- RRC Connection Reconfiguration RRC connection reconfiguration message
- RRC Connection RRC connection re-establishment message
- Step 302 When the UE needs to send uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information.
- the UE When the uplink scheduling request channel resource configured by the base station for the UE is the SR-PUCCH, the UE sends the SR through the SR-PUCCH.
- the uplink scheduling request channel resource configured by the base station for the UE is the preamble of the PRACH, the UE passes the The SR is sent by a dedicated preamble code on the PRACH.
- Step 303 The receiving base station allocates an uplink resource to the UE according to the SR.
- the base station may allocate a dedicated uplink resource to the UE by using the C-RNTI dedicated to the UE. After receiving the uplink resource allocated by the base station, the UE completes the uplink data transmission by using the uplink resource.
- the foregoing embodiments do not need to configure a separate uplink scheduling request channel resource for each UE, but multiple UEs can share the uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so
- the uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources.
- the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink, while improving the utilization of the uplink scheduling request channel resource.
- FIG. 4 it is a schematic diagram of configuring an uplink scheduling request channel resource for a UE:
- the uplink scheduling request channel resource is SR-PUCCH, and a total of eight are configured in the system.
- SR-PUCCH which in turn is SR-PUCCH1, SR-PUCCH2 to SR-PUCCH8, and has 16 in the system.
- the UEs are UE0, UE1 to UE15 in order.
- two SR-PUCCHs are configured for each UE, and each SR-PUCCH is shared by 4 UEs.
- the specific configuration is as follows:
- UE0, UE4, UE8, UE12 share SR-PUCCH1;
- UE1, UE5, UE9, UE13 share SR-PUCCH2;
- UE2, UE6, UE10, UE14 share SR-PUCCH3;
- UE3, UE7, UE11, UE15 share SR-PUCCH4;
- UE0, UE1, UE2, UE3 share SR-PUCCH5;
- UE4, UE5, UE6, UE7 share SR-PUCCH6;
- UE8, UE9, UE10, UE11 share SR-PUCCH7;
- UE12, UE13, UE14, UE15 share SR-PUCCH8.
- the configuration information of each UE may be sent to the UE through an RRC message.
- the SR-PUCCH configured by the base station for UE0 includes SR-PUCCH1 and SR-PUCCH5.
- UE0 When UE0 has uplink data to be transmitted, UE0 first needs to send an SR to the base station to request the base station to allocate dedicated uplink resources for UE0. At this time, the UE0 sends the SR through the SR-PUCCH1 and the SR-PUCCH5 according to the configuration information.
- the base station After receiving the SR-PUCCH1 and the SR-PUCCH5, the base station searches for the pre-stored configuration information, and the UE set sharing the SR-PUCCH1 includes ⁇ UE0, UE4, UE8, UE12 ⁇ , the set of UEs sharing the SR-PUCCH5 includes ⁇ UE0, UE1, UE2, UE3 ⁇ , and the base station takes the intersection of the two UE sets as ⁇ UE0 ⁇ , whereby the UE can determine the UE0 that sends the SR, so The base station can allocate dedicated uplink resources to UE0 through the C-RNTI of UE0.
- the present invention also provides an embodiment of an uplink resource allocation apparatus.
- FIG. 5 it is a block diagram of an embodiment of an uplink resource allocation apparatus according to the present invention.
- the apparatus may be disposed on a base station side:
- the apparatus includes: a saving unit 510, a receiving unit 520, a determining unit 530, and an allocating unit 540.
- the saving unit 510 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UEs Less than the number of uplink scheduling request channel resources;
- the receiving unit 520 is configured to receive an SR that is sent by the UE by using the configured at least two uplink scheduling request channel resources; a determining unit 530, configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
- the allocating unit 540 is configured to allocate an uplink resource to the UE determined by the determining unit.
- FIG. 6A it is a block diagram of another embodiment of an uplink resource allocation apparatus according to the present invention.
- the apparatus may be disposed on a base station side:
- the apparatus includes: a saving unit 610, a transmitting unit 620, a receiving unit 630, a determining unit 640, and a distributing unit 650.
- the saving unit 610 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where each UE configures at least two uplink scheduling request channel resources, and each uplink scheduling request channel The resource is shared by at least two UEs, where the number of the UEs is smaller than the number of the uplink scheduling request channel resources;
- the sending unit 620 is configured to send, by using an RRC message, at least two uplink scheduling request channel resources configured for each UE to the UE;
- the receiving unit 630 is configured to receive, by the UE, an SR that is sent by using the configured at least two uplink scheduling request channel resources;
- a determining unit 640 configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
- the allocating unit 650 is configured to allocate an uplink resource to the UE determined by the determining unit.
- FIG. 6B a block diagram of an embodiment of the determining unit of Figure 6A is shown:
- the determining unit 640 includes: a lookup subunit 641 and a comparison subunit 642.
- the locating unit 641 is configured to search for the configuration information according to the uplink scheduling request channel resource received by the receiving unit, and acquire a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes The uplink scheduling UE that requests channel resources;
- the comparison sub-units 642 are configured to compare the UE set that is found by the search sub-unit, obtain an intersection of the UE set according to the comparison result, and determine the UE in the intersection as the UE that sends the SR.
- FIG. 7 which is a block diagram of another embodiment of an uplink resource allocation apparatus according to the present invention, the apparatus may be disposed on a base station side:
- the apparatus includes: a saving unit 710, a transmitting unit 720, and a first receiving unit 730.
- the saving unit 710 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
- the sending unit 720 is configured to: when the UE needs to send the uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information;
- the first receiving unit 730 is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR.
- the apparatus may be disposed on a base station side:
- the apparatus includes: a second receiving unit 810, a saving unit 820, a transmitting unit 830, and a first receiving unit 840.
- the second receiving unit 810 is configured to receive an RRC message sent by the base station, where the RRC message includes an uplink scheduling request channel resource configured by the base station for the UE.
- the saving unit 820 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
- the sending unit 830 is configured to: when the UE needs to send the uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information;
- the first receiving unit 840 is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR.
- the base station saves configuration information of an uplink scheduling request channel resource configured for each user equipment UE, where each UE configures at least two uplink scheduling request channel resources, where the number of UEs is smaller than the uplink scheduling request.
- the number of the channel resources after the base station receives the SR that the UE sends through the configured at least two uplink scheduling request channel resources, determines the UE that sends the SR according to the saved configuration information, and allocates the uplink resource to the determined UE.
- the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink while improving the utilization of the uplink scheduling request channel resource.
- the techniques in the embodiments of the present invention can be implemented by means of software plus a necessary general hardware platform. Based on such understanding, the technical solution in the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product.
- the product may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform various embodiments or implementations of the present invention.
- a computer device which may be a personal computer, server, or network device, etc.
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Abstract
Disclosed are an uplink resource allocation method and device, the method comprising: a base station saves the configuration information of the uplink scheduling request channel resource configured for each UE, each UE being configured with at least two uplink scheduling request channel resources, and the number of UEs being smaller than the number of uplink scheduling request channel resources; when the base station receives a scheduling request (SR) transmitted from a UE through the configured at least two uplink scheduling request channel resources, the base station determines the UE sending the SR according to the configuration information; the base station then allocates the uplink resource to the determined UE. In the present invention, multiple UEs can share the uplink scheduling request channel resources, and the number of UEs is smaller than the number of uplink scheduling request channel resources, thus improving the utilization of the uplink scheduling request channel resources and reducing the waste of system resource.
Description
上行资源分配方法及装置 Uplink resource allocation method and device
技术领域 本发明涉及通信技术领域, 特别涉及上行资源分配方法及装置。 背景技术 The present invention relates to the field of communications technologies, and in particular, to an uplink resource allocation method and apparatus. Background technique
在 LTE (长期演进, Long Term Evolution)系统中, 由基站 (e B )控制 PDSCH In the LTE (Long Term Evolution) system, the PDSCH is controlled by the base station (e B )
(Physical Downlink Shared Channel, 下行物理共享信道)和 PUSCH (Physical Uplink Shared Channel, 上行物理共享信道) 的分配。 当 UE (User Equipment, 用户设备) 需要发送上行数据时, 可以将待发送的上行数据量通过 BSR (Buffer Status Report, 缓存数据通报)通知到基站, 其中 BSR封装在 MAC (Media Access Control, 媒体接 入控制) PDU (Protocol Data Unit, 协议数据单元) 中通过 PUCCH (Physical Uplink Control Channel, 物理上行控制信道) 承载; 当没有上行资源 PUSCH承载 BSR时, UE会通过在 PUCCH上发送 SR ( Scheduling Request, 调度请求) 以告知基站该 UE 由数据等待发送,多个 UE的 PUCCH资源可以复用在一个物理层 RB(Resource Block, 资源块) 上。 (Physical Downlink Shared Channel, downlink physical shared channel) and PUSCH (Physical Uplink Shared Channel). When the user equipment (UE) needs to send uplink data, the amount of the uplink data to be sent may be notified to the base station by using a BSR (Buffer Status Report), where the BSR is encapsulated in a MAC (Media Access Control, media connection). In the PDU (Protocol Data Unit), the PUCCH (Physical Uplink Control Channel) carries the bearer. When there is no uplink resource PUSCH to carry the BSR, the UE sends the SR (Scheduling Request) on the PUCCH. The scheduling request is sent to inform the base station that the UE is waiting to be transmitted by data, and the PUCCH resources of the multiple UEs may be multiplexed on one physical layer RB (Resource Block).
发明人在对现有技术的研究过程中发现, 现有技术中基站为每个 UE配置一个用 于发送 SR的专用 PUCCH, 也可称为 SR-PUCCH, UE在该 SR-PUCCH上发送 SR, 以便使基站接收到 SR后,可以通过 UE专用的 C-RNTK Cell-Radio Network Temporary Identifier, 小区无线网络临时标识) 进行上行调度。 现有技术中, 由于基站要为每个 UE单独配置一个 SR-PUCCH资源, 当系统中 SR的发送需求较少时, 则 SR-PUCCH 的资源利用率不高, 从而造成系统资源浪费。 发明内容 The inventor has found that in the prior art, the base station configures a dedicated PUCCH for transmitting an SR for each UE, which may also be called an SR-PUCCH, and the UE sends an SR on the SR-PUCCH. In order to enable the base station to receive the SR, the uplink scheduling may be performed by the UE-specific C-RNTK Cell-Radio Network Temporary Identifier. In the prior art, since the base station needs to separately configure one SR-PUCCH resource for each UE, when the SR transmission requirement of the system is small, the resource utilization of the SR-PUCCH is not high, thereby causing waste of system resources. Summary of the invention
本发明实施例提供了上行资源分配方法及装置, 以解决现有技术中 SR-PUCCH 的资源利用率不高, 造成系统资源浪费的问题。 The embodiments of the present invention provide an uplink resource allocation method and device, so as to solve the problem that the resource utilization of the SR-PUCCH in the prior art is not high, resulting in wasted system resources.
为了解决上述技术问题, 本发明实施例公开了如下技术方案: In order to solve the above technical problem, the embodiment of the present invention discloses the following technical solutions:
一方面, 提供一种上行资源分配方法, 所述方法包括: In one aspect, an uplink resource allocation method is provided, where the method includes:
基站保存为每个用户设备 UE配置的上行调度请求信道资源的配置信息,所述配 置信息中, 每个 UE配置至少两个上行调度请求信道资源, 其中所述 UE的数量小于
所述上行调度请求信道资源的数量; The base station saves the configuration information of the uplink scheduling request channel resource configured for each user equipment UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UE is less than The number of uplink scheduling request channel resources;
基站接收到 UE 通过所配置的至少两个上行调度请求信道资源发送的调度请求 SR后, 根据所述配置信息确定发送所述 SR的 UE; After receiving the scheduling request SR sent by the UE through the configured at least two uplink scheduling request channel resources, the base station determines, according to the configuration information, the UE that sends the SR;
向确定的 UE分配上行资源。 An uplink resource is allocated to the determined UE.
一方面, 提供另一种上行资源分配方法, 所述方法包括: In another aspect, another uplink resource allocation method is provided, where the method includes:
UE保存基站为所述 UE配置的上行调度请求信道资源的配置信息, 所述基站为 所述 UE配置至少两个上行调度请求信道资源; The UE stores configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
当所述 UE需要发送上行数据时, 根据所述配置信息中为所述 UE配置的上行调 度请求信道资源向所述基站发送 SR; When the UE needs to send the uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information;
接收基站根据所述 SR为所述 UE分配的上行资源。 And receiving, by the base station, an uplink resource allocated by the UE according to the SR.
一方面, 提供一种上行资源分配装置, 所述装置包括: In one aspect, an uplink resource allocation apparatus is provided, where the apparatus includes:
保存单元, 用于保存基站为每个 UE配置的上行调度请求信道资源的配置信息, 所述配置信息中, 每个 UE配置至少两个上行调度请求信道资源, 其中所述 UE的数 量小于所述上行调度请求信道资源的数量; a saving unit, configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UEs is smaller than the The number of uplink scheduling request channel resources;
接收单元, 用于接收 UE通过所配置的至少两个上行调度请求信道资源发送的 a receiving unit, configured to receive, by using, the UE, the configured at least two uplink scheduling request channel resources
SR; SR;
确定单元,用于根据所述保存单元中的配置信息确定发送所述接收单元接收到的 SR的 UE; a determining unit, configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
分配单元, 用于向所述确定单元确定的 UE分配上行资源。 And an allocating unit, configured to allocate an uplink resource to the UE determined by the determining unit.
一方面, 提供另一种上行资源分配装置, 所述装置包括: In one aspect, another uplink resource allocation device is provided, where the device includes:
保存单元, 用于保存基站为 UE配置的上行调度请求信道资源的配置信息, 所述 基站为所述 UE配置至少两个上行调度请求信道资源; a saving unit, configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
发送单元, 用于当所述 UE 需要发送上行数据时, 根据所述配置信息中为所述 UE配置的上行调度请求信道资源向所述基站发送 SR; a sending unit, configured to send, to the base station, an SR according to an uplink scheduling request channel resource configured for the UE in the configuration information, when the UE needs to send uplink data;
第一接收单元, 用于接收基站根据所述 SR为所述 UE分配的上行资源。 The first receiving unit is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR.
本发明实施例中,基站保存为每个用户设备 UE配置的上行调度请求信道资源的 配置信息, 该配置信息中每个 UE配置至少两个上行调度请求信道资源, 其中 UE的 数量小于上行调度请求信道资源的数量, 当基站接收到 UE通过所配置的至少两个上 行调度请求信道资源发送的 SR后, 根据保存的配置信息确定发送 SR的 UE, 并向 确定的 UE分配上行资源。 本发明实施例中, 由于无需为每个 UE配置单独的上行调 度请求信道资源, 而是多个 UE可以共享上行调度请求信道资源, 且 UE的数量小于
上行调度请求信道资源的数量, 因此可以提高系统中上行调度请求信道资源的利用 率, 减少系统资源的浪费; 并且, 由于每个 UE配置了至少两个上行调度请求信道资 源, 因此 UE通过所配置的至少两个上行调度请求信道资源发送 SR后, 基站可以根 据配置信息确定发送 SR的 UE, 从而在提高上行调度请求信道资源的利用率的同时, 使得基站可以准确确定需要上行调度的 UE。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现 有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅 是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前 提下, 还可以根据这些附图获得其他的附图。 In the embodiment of the present invention, the base station saves configuration information of an uplink scheduling request channel resource configured for each user equipment UE, where each UE configures at least two uplink scheduling request channel resources, where the number of UEs is smaller than the uplink scheduling request. The number of the channel resources, after the base station receives the SR that the UE sends through the configured at least two uplink scheduling request channel resources, determines the UE that sends the SR according to the saved configuration information, and allocates the uplink resource to the determined UE. In the embodiment of the present invention, since it is not necessary to configure a separate uplink scheduling request channel resource for each UE, multiple UEs may share an uplink scheduling request channel resource, and the number of UEs is smaller than The uplink scheduling requests the number of channel resources, so that the utilization of the uplink scheduling request channel resources in the system can be improved, and the waste of system resources is reduced. Moreover, since each UE is configured with at least two uplink scheduling request channel resources, the UE is configured. After the at least two uplink scheduling request channel resources are sent by the SR, the base station may determine, according to the configuration information, the UE that sends the SR, so that the base station can accurately determine the UE that needs uplink scheduling while improving the utilization of the uplink scheduling request channel resource. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and obviously, in the following description The drawings are only some of the embodiments of the present invention, and other drawings may be obtained from those of ordinary skill in the art without departing from the scope of the invention.
图 1为本发明上行调度方法的一个实施例流程图; 1 is a flowchart of an embodiment of an uplink scheduling method according to the present invention;
图 2为本发明上行调度方法的另一个实施例流程图; 2 is a flow chart of another embodiment of an uplink scheduling method according to the present invention;
图 3为本发明上行调度方法的另一个实施例流程图; 3 is a flowchart of another embodiment of an uplink scheduling method according to the present invention;
图 4为一种为 UE配置上行调度请求信道资源的配置示意图; 4 is a schematic diagram of a configuration for configuring an uplink scheduling request channel resource for a UE;
图 5为本发明上行调度装置的一个实施例框图; FIG. 5 is a block diagram of an embodiment of an uplink scheduling apparatus according to the present invention; FIG.
图 6A为本发明上行调度装置的另一个实施例框图; 6A is a block diagram of another embodiment of an uplink scheduling apparatus according to the present invention;
图 6B为图 6A中确定单元的实施例框图; Figure 6B is a block diagram of an embodiment of the determining unit of Figure 6A;
图 7为本发明上行调度装置的另一个实施例框图; 7 is a block diagram of another embodiment of an uplink scheduling apparatus according to the present invention;
图 8为本发明上行调度装置的另一个实施例框图。 具体实施方式 本发明如下实施例提供了上行资源分配方法及装置,以提高系统中上行调度请求 信道资源的利用率, 减少系统资源的浪费。 FIG. 8 is a block diagram of another embodiment of an uplink scheduling apparatus according to the present invention. DETAILED DESCRIPTION OF THE INVENTION The following embodiments provide an uplink resource allocation method and apparatus to improve the utilization of uplink scheduling request channel resources in the system and reduce waste of system resources.
为了使本技术领域的人员更好地理解本发明实施例中的技术方案,并使本发明实 施例的上述目的、特征和优点能够更加明显易懂, 下面结合附图对本发明实施例中技 术方案作进一步详细的说明。 The above-mentioned objects, features, and advantages of the embodiments of the present invention will become more apparent and understood. Give further details.
参见图 1, 为本发明上行资源分配方法的一个实施例流程图, 该实施例从基站侧 描述了上行资源分配的过程: Referring to FIG. 1, which is a flowchart of an embodiment of an uplink resource allocation method according to the present invention, the embodiment describes a process of uplink resource allocation from a base station side:
步骤 101 : 基站保存为每个 UE配置的上行调度请求信道资源的配置信息, 该配 置信息中每个 UE配置至少两个上行调度请求信道资源, 其中 UE的数量小于上行调
度请求信道资源的数量。 Step 101: The base station saves configuration information of an uplink scheduling request channel resource configured for each UE, where each UE configures at least two uplink scheduling request channel resources, where the number of UEs is smaller than the uplink tone The number of requested channel resources.
本发明实施例中, 上行调度请求信道资源可以包括至少一种下述资源: SR-PUCCH (调度请求-物理上行控制信道), PRACH ( Physical Random Access Channel, 物理随机接入信道) 内的 preamble (导频码)。 In the embodiment of the present invention, the uplink scheduling request channel resource may include at least one of the following resources: SR-PUCCH (scheduling request-physical uplink control channel), preamble in PRACH (Physical Random Access Channel) Pilot code).
其中, 每个上行调度请求信道资源可以被至少两个 UE共享, 从而进一步提高上 行调度请求信道资源的利用率, 减少系统资源的浪费。 Each of the uplink scheduling request channel resources can be shared by at least two UEs, thereby further improving the utilization of the uplink scheduling request channel resources and reducing the waste of system resources.
步骤 102: 基站接收到 UE通过所配置的至少两个上行调度请求信道资源发送的 调度请求 SR后, 根据配置信息确定发送 SR的 UE。 Step 102: After receiving the scheduling request SR sent by the UE through the configured at least two uplink scheduling request channel resources, the base station determines, according to the configuration information, the UE that sends the SR.
其中, 当基站为 UE配置的上行调度请求信道资源为 SR-PUCCH时, 则 UE通过 该 SR-PUCCH发送 SR, 当基站为 UE配置的上行调度请求信道资源为 PRACH的 preamble时, 则 UE通过该 PRACH上的专用 preamble码发送该 SR。 When the uplink scheduling request channel resource configured by the base station for the UE is the SR-PUCCH, the UE sends the SR through the SR-PUCCH. When the uplink scheduling request channel resource configured by the base station for the UE is the preamble of the PRACH, the UE passes the The SR is sent by a dedicated preamble code on the PRACH.
具体的,基站根据接收到的上行调度请求信道资源查找保存的配置信息, 获取与 每个上行调度请求信道资源对应的 UE集合, 该 UE集合中包含配置了该上行调度请 求信道资源的 UE, 比较获取到的 UE集合, 根据比较结果获得 UE集合的交集, 将 交集中的 UE确定为发送 SR的 UE。 Specifically, the base station searches for the saved configuration information according to the received uplink scheduling request channel resource, and acquires a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes the UE configured with the uplink scheduling request channel resource, and compares Obtaining the UE set, obtaining an intersection of the UE set according to the comparison result, and determining the UE in the intersection as the UE transmitting the SR.
步骤 103 : 基站向确定的 UE分配上行资源。 Step 103: The base station allocates an uplink resource to the determined UE.
基站在确定了发送 SR的 UE后,可以通过该 UE专用的 C-RNTI为该 UE分配专 用的上行资源, 以便使 UE通过该上行资源完成上行数据传输。 After determining the UE that sends the SR, the base station may allocate a dedicated uplink resource to the UE through the C-RNTI dedicated to the UE, so that the UE completes the uplink data transmission by using the uplink resource.
由上述实施例可见, 由于无需为每个 UE配置单独的上行调度请求信道资源, 而 是多个 UE可以共享上行调度请求信道资源, 且 UE的数量小于上行调度请求信道资 源的数量, 因此可以提高系统中上行调度请求信道资源的利用率,减少系统资源的浪 费; 并且, 由于每个 UE配置了至少两个上行调度请求信道资源, 因此 UE通过所配 置的至少两个上行调度请求信道资源发送 SR后, 基站可以根据配置信息确定发送 SR的 UE,从而在提高上行调度请求信道资源的利用率的同时,使得基站可以准确确 定需要上行调度的 UE。 参见图 2, 为本发明上行资源分配方法的另一个实施例流程图, 该实施例从基站 侧详细描述了上行资源分配的过程: It can be seen that the foregoing embodiments do not need to configure a separate uplink scheduling request channel resource for each UE, but multiple UEs can share the uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so The uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources. After the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink, while improving the utilization of the uplink scheduling request channel resource. Referring to FIG. 2, it is a flowchart of another embodiment of an uplink resource allocation method according to the present invention. The embodiment details the process of uplink resource allocation from the base station side:
步骤 201 : 基站保存为每个 UE配置的上行调度请求信道资源的配置信息, 该配 置信息中每个 UE配置至少两个上行调度请求信道资源,每个上行调度请求信道资源 被至少两个 UE共享, 其中 UE的数量小于上行调度请求信道资源的数量。
本发明实施例中, 上行调度请求信道资源可以包括至少一种下述资源:Step 201: The base station saves configuration information of an uplink scheduling request channel resource configured for each UE, where each UE configures at least two uplink scheduling request channel resources, and each uplink scheduling request channel resource is shared by at least two UEs. The number of UEs is less than the number of uplink scheduling request channel resources. In the embodiment of the present invention, the uplink scheduling request channel resource may include at least one of the following resources:
SR-PUCCH (调度请求-物理上行控制信道), PRACH ( Physical Random Access Channel, 物理随机接入信道) 内的 preamble (导频码)。 SR-PUCCH (scheduling request-physical uplink control channel), preamble (pilot code) in PRACH (Physical Random Access Channel).
步骤 202:基站通过 RRC消息将为每个 UE配置的至少两个上行调度请求信道资 源发送给 UE。 Step 202: The base station sends at least two uplink scheduling request channel resources configured for each UE to the UE by using an RRC message.
本发明实施例中, RRC (Radio Resource Control, 无线资源控制协议) 消息可以 包括: RRC 连接建立消息 (RRC Connection Setup ) , RRC 连接重配置消息 (RRC Connection Reconfiguration ) , RRC 连接重建立消 息 ( RRC Connection Reestablishment) 0 上述 RRC消息仅为本发明实施例中描述方便所采用的名称, 不用 于对本发明实施例进行限制, 只要该消息能够将配置信息发送到 UE即可。 In the embodiment of the present invention, the RRC (Radio Resource Control) message may include: an RRC connection setup message (RRC Connection Setup), an RRC connection reconfiguration message (RRC Connection Reconfiguration), and an RRC connection re-establishment message (RRC Connection). Reestablishment 0 The RRC message is only used for the convenience of the description in the embodiment of the present invention, and is not used to limit the embodiment of the present invention, as long as the message can send the configuration information to the UE.
步骤 203 : 基站接收 UE通过所配置的至少两个上行调度请求信道资源发送的调 度请求 SR。 Step 203: The base station receives a scheduling request SR that is sent by the UE through the configured at least two uplink scheduling request channel resources.
其中, 当基站为 UE配置的上行调度请求信道资源为 SR-PUCCH时, 则 UE通过 该 SR-PUCCH发送 SR, 当基站为 UE配置的上行调度请求信道资源为 PRACH的 preamble时, 则 UE通过该 PRACH上的专用 preamble码发送该 SR。 When the uplink scheduling request channel resource configured by the base station for the UE is the SR-PUCCH, the UE sends the SR through the SR-PUCCH. When the uplink scheduling request channel resource configured by the base station for the UE is the preamble of the PRACH, the UE passes the The SR is sent by a dedicated preamble code on the PRACH.
步骤 204: 基站根据接收到的上行调度请求信道资源查找保存的配置信息, 获取 与每个上行调度请求信道资源对应的 UE集合, 该 UE集合中包含配置了接收到的上 行调度请求信道资源的 UE。 Step 204: The base station searches for the saved configuration information according to the received uplink scheduling request channel resource, and acquires a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes the UE configured with the received uplink scheduling request channel resource. .
步骤 205 : 比较所有 UE集合, 根据比较结果获得 UE集合的交集, 将该交集中 的 UE确定为发送 SR的 UE。 Step 205: Compare all UE sets, obtain an intersection of the UE set according to the comparison result, and determine the UE of the intersection as the UE that sends the SR.
步骤 206: 基站向确定的 UE分配上行资源。 Step 206: The base station allocates an uplink resource to the determined UE.
基站在确定了发送 SR的 UE后,可以通过该 UE专用的 C-RNTI为该 UE分配专 用的上行资源, 以便使 UE通过该上行资源完成上行数据传输。 After determining the UE that sends the SR, the base station may allocate a dedicated uplink resource to the UE through the C-RNTI dedicated to the UE, so that the UE completes the uplink data transmission by using the uplink resource.
由上述实施例可见, 由于无需为每个 UE配置单独的上行调度请求信道资源, 而 是多个 UE可以共享上行调度请求信道资源, 且 UE的数量小于上行调度请求信道资 源的数量, 因此可以提高系统中上行调度请求信道资源的利用率,减少系统资源的浪 费; 并且, 由于每个 UE配置了至少两个上行调度请求信道资源, 因此 UE通过所配 置的至少两个上行调度请求信道资源发送 SR后, 基站可以根据配置信息确定发送 SR的 UE,从而在提高上行调度请求信道资源的利用率的同时,使得基站可以准确确 定需要上行调度的 UE。
参见图 3, 为本发明上行资源分配方法的另一个实施例流程图, 该实施例从 UE 侧描述了上行资源分配的过程: It can be seen that the foregoing embodiments do not need to configure a separate uplink scheduling request channel resource for each UE, but multiple UEs can share the uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so The uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources. After the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink, while improving the utilization of the uplink scheduling request channel resource. Referring to FIG. 3, it is a flowchart of another embodiment of an uplink resource allocation method according to the present invention. This embodiment describes a process of uplink resource allocation from a UE side:
步骤 301 : UE保存基站为该 UE配置的上行调度请求信道资源的配置信息, 基 站为该 UE配置至少两个上行调度请求信道资源。 Step 301: The UE saves configuration information of an uplink scheduling request channel resource configured by the base station for the UE, and the base station configures at least two uplink scheduling request channel resources for the UE.
UE接收基站发送的 RRC消息, 所述 RRC消息中包含所述基站为所述 UE配置 的上行调度请求信道资源。 本发明实施例中, RRC (Radio Resource Control, 无线资 源控制协议) 消息可以包括: RRC连接建立消息 (RRC Connection Setup), RRC连 接重配置消息 (RRC Connection Reconfiguration ) , RRC 连接重建立消息 (RRC Connection Reestablishment)。 上述 RRC消息仅为本发明实施例中描述方便所采用的 名称,不用于对本发明实施例进行限制,只要该消息能够将配置信息发送到 UE即可。 The UE receives an RRC message sent by the base station, where the RRC message includes an uplink scheduling request channel resource configured by the base station for the UE. In the embodiment of the present invention, the RRC (Radio Resource Control) message may include: an RRC connection setup message (RRC Connection Setup), an RRC connection reconfiguration message (RRC Connection Reconfiguration), and an RRC connection re-establishment message (RRC Connection). Reestablishment). The foregoing RRC message is only used for the convenience of the description in the embodiment of the present invention, and is not used to limit the embodiment of the present invention, as long as the message can send the configuration information to the UE.
步骤 302: 当 UE需要发送上行数据时, 根据配置信息中为 UE配置的上行调度 请求信道资源向基站发送 SR。 Step 302: When the UE needs to send uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information.
其中, 当基站为 UE配置的上行调度请求信道资源为 SR-PUCCH时, 则 UE通过 该 SR-PUCCH发送 SR, 当基站为 UE配置的上行调度请求信道资源为 PRACH的 preamble时, 则 UE通过该 PRACH上的专用 preamble码发送该 SR。 When the uplink scheduling request channel resource configured by the base station for the UE is the SR-PUCCH, the UE sends the SR through the SR-PUCCH. When the uplink scheduling request channel resource configured by the base station for the UE is the preamble of the PRACH, the UE passes the The SR is sent by a dedicated preamble code on the PRACH.
步骤 303 : 接收基站根据该 SR为该 UE分配的上行资源。 Step 303: The receiving base station allocates an uplink resource to the UE according to the SR.
基站在确定了发送 SR的 UE后,可以通过该 UE专用的 C-RNTI为该 UE分配专 用的上行资源, UE接收到基站分配的上行资源后, 通过该上行资源完成上行数据传 输。 After determining the UE that sends the SR, the base station may allocate a dedicated uplink resource to the UE by using the C-RNTI dedicated to the UE. After receiving the uplink resource allocated by the base station, the UE completes the uplink data transmission by using the uplink resource.
由上述实施例可见, 由于无需为每个 UE配置单独的上行调度请求信道资源, 而 是多个 UE可以共享上行调度请求信道资源, 且 UE的数量小于上行调度请求信道资 源的数量, 因此可以提高系统中上行调度请求信道资源的利用率,减少系统资源的浪 费; 并且, 由于每个 UE配置了至少两个上行调度请求信道资源, 因此 UE通过所配 置的至少两个上行调度请求信道资源发送 SR后, 基站可以根据配置信息确定发送 SR的 UE,从而在提高上行调度请求信道资源的利用率的同时,使得基站可以准确确 定需要上行调度的 UE。 下面通过一个应用实例对本发明上行资源分配方法实施例进行描述。 参见图 4, 为一种为 UE配置上行调度请求信道资源的配置示意图: It can be seen that the foregoing embodiments do not need to configure a separate uplink scheduling request channel resource for each UE, but multiple UEs can share the uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so The uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources. After the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink, while improving the utilization of the uplink scheduling request channel resource. The following describes an embodiment of the uplink resource allocation method of the present invention by using an application example. Referring to FIG. 4, it is a schematic diagram of configuring an uplink scheduling request channel resource for a UE:
图 4 中, 假设上行调度请求信道资源为 SR-PUCCH, 且系统中共配置了 8 个 In Figure 4, it is assumed that the uplink scheduling request channel resource is SR-PUCCH, and a total of eight are configured in the system.
SR-PUCCH, 依次为 SR-PUCCH1、 SR-PUCCH2至 SR-PUCCH8, 且系统中共有 16
个 UE,依次为 UE0、UE1至 UE15。如图 4所示,其中,为每个 UE配置两个 SR-PUCCH, 且每个 SR-PUCCH被 4个 UE共享。 具体配置如下: SR-PUCCH, which in turn is SR-PUCCH1, SR-PUCCH2 to SR-PUCCH8, and has 16 in the system. The UEs are UE0, UE1 to UE15 in order. As shown in FIG. 4, two SR-PUCCHs are configured for each UE, and each SR-PUCCH is shared by 4 UEs. The specific configuration is as follows:
UE0、 UE4、 UE8、 UE12共享 SR-PUCCH1; UE0, UE4, UE8, UE12 share SR-PUCCH1;
UE1、 UE5、 UE9、 UE13共享 SR-PUCCH2; UE1, UE5, UE9, UE13 share SR-PUCCH2;
UE2、 UE6、 UE10、 UE14共享 SR-PUCCH3 ; UE2, UE6, UE10, UE14 share SR-PUCCH3;
UE3、 UE7、 UE11、 UE15共享 SR-PUCCH4; UE3, UE7, UE11, UE15 share SR-PUCCH4;
UE0、 UE1、 UE2、 UE3共享 SR-PUCCH5; UE0, UE1, UE2, UE3 share SR-PUCCH5;
UE4、 UE5、 UE6、 UE7共享 SR-PUCCH6; UE4, UE5, UE6, UE7 share SR-PUCCH6;
UE8、 UE9、 UE10、 UE11共享 SR-PUCCH7; UE8, UE9, UE10, UE11 share SR-PUCCH7;
UE12、 UE13、 UE14、 UE15共享 SR-PUCCH8。 UE12, UE13, UE14, UE15 share SR-PUCCH8.
基站侧配置好上述信息后, 可以将每个 UE的配置信息通过 RRC消息发送给该 UE。 以 UE0 为例, 由上述配置信息可知, 基站为 UE0 配置的 SR-PUCCH 包括 SR-PUCCH1和 SR-PUCCH5。 After the foregoing information is configured on the base station, the configuration information of each UE may be sent to the UE through an RRC message. Taking UE0 as an example, it can be seen from the above configuration information that the SR-PUCCH configured by the base station for UE0 includes SR-PUCCH1 and SR-PUCCH5.
当 UE0有上行数据需要发送时, 则 UE0首先需要向基站发送 SR, 以请求基站 为 UE0 分配专用上行资源。 此时 UE0 根据配置信息, 分别通过 SR-PUCCH1 和 SR-PUCCH5发送 SR; 基站接收到 SR-PUCCH1和 SR-PUCCH5后, 查找预先保存的 配置信息可知, 共享 SR-PUCCH1 的 UE集合包括 {UE0、 UE4、 UE8、 UE12 }, 共 享 SR-PUCCH5 的 UE集合包括 {UE0、 UE1、 UE2、 UE3 }, 基站对上述两个 UE集 合取交集为 {UE0 }, 由此 UE可以确定发送 SR的 UE0, 因此基站可以通过该 UE0 的 C-RNTI给 UE0分配专用的上行资源。 与本发明上行资源分配方法的实施例相对应,本发明还提供了上行资源分配装置 的实施例。 When UE0 has uplink data to be transmitted, UE0 first needs to send an SR to the base station to request the base station to allocate dedicated uplink resources for UE0. At this time, the UE0 sends the SR through the SR-PUCCH1 and the SR-PUCCH5 according to the configuration information. After receiving the SR-PUCCH1 and the SR-PUCCH5, the base station searches for the pre-stored configuration information, and the UE set sharing the SR-PUCCH1 includes {UE0, UE4, UE8, UE12}, the set of UEs sharing the SR-PUCCH5 includes {UE0, UE1, UE2, UE3}, and the base station takes the intersection of the two UE sets as {UE0}, whereby the UE can determine the UE0 that sends the SR, so The base station can allocate dedicated uplink resources to UE0 through the C-RNTI of UE0. Corresponding to the embodiment of the uplink resource allocation method of the present invention, the present invention also provides an embodiment of an uplink resource allocation apparatus.
参见图 5, 为本发明上行资源分配装置的一个实施例框图, 该装置可以设置在基 站侧: Referring to FIG. 5, it is a block diagram of an embodiment of an uplink resource allocation apparatus according to the present invention. The apparatus may be disposed on a base station side:
该装置包括: 保存单元 510、 接收单元 520、 确定单元 530和分配单元 540。 其中, 保存单元 510, 用于保存基站为每个 UE配置的上行调度请求信道资源的 配置信息, 所述配置信息中, 每个 UE配置至少两个上行调度请求信道资源, 其中所 述 UE的数量小于所述上行调度请求信道资源的数量; The apparatus includes: a saving unit 510, a receiving unit 520, a determining unit 530, and an allocating unit 540. The saving unit 510 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UEs Less than the number of uplink scheduling request channel resources;
接收单元 520, 用于接收 UE通过所配置的至少两个上行调度请求信道资源发送 的 SR;
确定单元 530, 用于根据所述保存单元中的配置信息确定发送所述接收单元接收 到的 SR的 UE; The receiving unit 520 is configured to receive an SR that is sent by the UE by using the configured at least two uplink scheduling request channel resources; a determining unit 530, configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
分配单元 540, 用于向所述确定单元确定的 UE分配上行资源。 参见图 6A, 为本发明上行资源分配装置的另一个实施例框图, 该装置可以设置 在基站侧: The allocating unit 540 is configured to allocate an uplink resource to the UE determined by the determining unit. Referring to FIG. 6A, it is a block diagram of another embodiment of an uplink resource allocation apparatus according to the present invention. The apparatus may be disposed on a base station side:
该装置包括: 保存单元 610、 发送单元 620、 接收单元 630、 确定单元 640和分 配单元 650。 The apparatus includes: a saving unit 610, a transmitting unit 620, a receiving unit 630, a determining unit 640, and a distributing unit 650.
其中, 保存单元 610, 用于保存基站为每个 UE配置的上行调度请求信道资源的 配置信息, 所述配置信息中, 每个 UE配置至少两个上行调度请求信道资源, 每个上 行调度请求信道资源被至少两个 UE共享, 其中所述 UE的数量小于所述上行调度请 求信道资源的数量; The saving unit 610 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where each UE configures at least two uplink scheduling request channel resources, and each uplink scheduling request channel The resource is shared by at least two UEs, where the number of the UEs is smaller than the number of the uplink scheduling request channel resources;
发送单元 620,用于通过 RRC消息将为每个 UE配置的至少两个上行调度请求信 道资源发送给所述 UE; The sending unit 620 is configured to send, by using an RRC message, at least two uplink scheduling request channel resources configured for each UE to the UE;
接收单元 630, 用于接收 UE通过所配置的至少两个上行调度请求信道资源发送 的 SR; The receiving unit 630 is configured to receive, by the UE, an SR that is sent by using the configured at least two uplink scheduling request channel resources;
确定单元 640, 用于根据所述保存单元中的配置信息确定发送所述接收单元接收 到的 SR的 UE; a determining unit 640, configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
分配单元 650, 用于向所述确定单元确定的 UE分配上行资源。 参见图 6B, 为图 6A中确定单元的实施例框图: The allocating unit 650 is configured to allocate an uplink resource to the UE determined by the determining unit. Referring to Figure 6B, a block diagram of an embodiment of the determining unit of Figure 6A is shown:
该确定单元 640包括: 查找子单元 641和比较子单元 642。 The determining unit 640 includes: a lookup subunit 641 and a comparison subunit 642.
其中, 查找子单元 641, 用于根据所述接收单元接收到的上行调度请求信道资源 查找所述配置信息, 获取与每个上行调度请求信道资源对应的 UE集合, 所述 UE集 合中包含配置了所述上行调度请求信道资源的 UE; The locating unit 641 is configured to search for the configuration information according to the uplink scheduling request channel resource received by the receiving unit, and acquire a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes The uplink scheduling UE that requests channel resources;
比较子单元 642, 用于比较所述查找子单元查找到的 UE集合, 根据比较结果获 得所述 UE集合的交集, 将所述交集中的 UE确定为发送所述 SR的 UE。 参见图 7, 为本发明上行资源分配装置的另一个实施例框图, 该装置可以设置在 基站侧: The comparison sub-units 642, are configured to compare the UE set that is found by the search sub-unit, obtain an intersection of the UE set according to the comparison result, and determine the UE in the intersection as the UE that sends the SR. Referring to FIG. 7, which is a block diagram of another embodiment of an uplink resource allocation apparatus according to the present invention, the apparatus may be disposed on a base station side:
该装置包括: 保存单元 710、 发送单元 720和第一接收单元 730。
其中, 保存单元 710, 用于保存基站为 UE配置的上行调度请求信道资源的配置 信息, 所述基站为所述 UE配置至少两个上行调度请求信道资源; The apparatus includes: a saving unit 710, a transmitting unit 720, and a first receiving unit 730. The saving unit 710 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
发送单元 720, 用于当所述 UE需要发送上行数据时, 根据所述配置信息中为所 述 UE配置的上行调度请求信道资源向所述基站发送 SR; The sending unit 720 is configured to: when the UE needs to send the uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information;
第一接收单元 730, 用于接收基站根据所述 SR为所述 UE分配的上行资源。 参见图 8, 为本发明上行资源分配装置的另一个实施例框图, 该装置可以设置在 基站侧: The first receiving unit 730 is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR. Referring to FIG. 8, which is a block diagram of another embodiment of an uplink resource allocation apparatus according to the present invention, the apparatus may be disposed on a base station side:
该装置包括: 第二接收单元 810、 保存单元 820、 发送单元 830和第一接收单元 840。 The apparatus includes: a second receiving unit 810, a saving unit 820, a transmitting unit 830, and a first receiving unit 840.
其中, 第二接收单元 810, 用于接收基站发送的 RRC消息, 所述 RRC消息中包 含所述基站为所述 UE配置的上行调度请求信道资源; The second receiving unit 810 is configured to receive an RRC message sent by the base station, where the RRC message includes an uplink scheduling request channel resource configured by the base station for the UE.
保存单元 820, 用于保存基站为 UE配置的上行调度请求信道资源的配置信息, 所述基站为所述 UE配置至少两个上行调度请求信道资源; The saving unit 820 is configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE;
发送单元 830, 用于当所述 UE需要发送上行数据时, 根据所述配置信息中为所 述 UE配置的上行调度请求信道资源向所述基站发送 SR; The sending unit 830 is configured to: when the UE needs to send the uplink data, send the SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information;
第一接收单元 840, 用于接收基站根据所述 SR为所述 UE分配的上行资源。 由上述实施例可见,基站保存为每个用户设备 UE配置的上行调度请求信道资源 的配置信息, 该配置信息中每个 UE配置至少两个上行调度请求信道资源, 其中 UE 的数量小于上行调度请求信道资源的数量, 当基站接收到 UE通过所配置的至少两个 上行调度请求信道资源发送的 SR后, 根据保存的配置信息确定发送 SR的 UE, 并 向确定的 UE分配上行资源。 本发明实施例中, 由于无需为每个 UE配置单独的上行 调度请求信道资源, 而是多个 UE可以共享上行调度请求信道资源, 且 UE的数量小 于上行调度请求信道资源的数量,因此可以提高系统中上行调度请求信道资源的利用 率, 减少系统资源的浪费; 并且, 由于每个 UE配置了至少两个上行调度请求信道资 源, 因此 UE通过所配置的至少两个上行调度请求信道资源发送 SR后, 基站可以根 据配置信息确定发送 SR的 UE, 从而在提高上行调度请求信道资源的利用率的同时, 使得基站可以准确确定需要上行调度的 UE。 The first receiving unit 840 is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR. As shown in the foregoing embodiment, the base station saves configuration information of an uplink scheduling request channel resource configured for each user equipment UE, where each UE configures at least two uplink scheduling request channel resources, where the number of UEs is smaller than the uplink scheduling request. The number of the channel resources, after the base station receives the SR that the UE sends through the configured at least two uplink scheduling request channel resources, determines the UE that sends the SR according to the saved configuration information, and allocates the uplink resource to the determined UE. In the embodiment of the present invention, since it is not necessary to configure a separate uplink scheduling request channel resource for each UE, multiple UEs can share an uplink scheduling request channel resource, and the number of UEs is smaller than the number of uplink scheduling request channel resources, so The uplink scheduling request channel resource utilization in the system reduces the waste of system resources; and, since each UE is configured with at least two uplink scheduling request channel resources, the UE sends the SR through the configured at least two uplink scheduling request channel resources. After the base station can determine the UE that sends the SR according to the configuration information, the base station can accurately determine the UE that needs to be scheduled in the uplink while improving the utilization of the uplink scheduling request channel resource.
本领域的技术人员可以清楚地了解到本发明实施例中的技术可借助软件加必需 的通用硬件平台的方式来实现。基于这样的理解,本发明实施例中的技术方案本质上 或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产
品可以存储在存储介质中, 如 ROM/RAM、磁碟、光盘等, 包括若干指令用以使得一 台计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个实施 例或者实施例的某些部分所述的方法。 It will be apparent to those skilled in the art that the techniques in the embodiments of the present invention can be implemented by means of software plus a necessary general hardware platform. Based on such understanding, the technical solution in the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product. The product may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform various embodiments or implementations of the present invention. The method described in some parts of the example.
本说明书中的各个实施例均采用递进的方式描述,各个实施例之间相同相似的部 分互相参见即可, 每个实施例重点说明的都是与其他实施例的不同之处。尤其, 对于 系统实施例而言, 由于其基本相似于方法实施例, 所以描述的比较简单, 相关之处参 见方法实施例的部分说明即可。 The various embodiments in the present specification are described in a progressive manner, and the same or similar portions between the various embodiments may be referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method embodiment.
以上所述的本发明实施方式, 并不构成对本发明保护范围的限定。任何在本发明 的精神和原则之内所作的修改、等同替换和改进等,均应包含在本发明的保护范围之 内。
The embodiments of the present invention described above are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims
1、 一种上行资源分配方法, 其特征在于, 所述方法包括: An uplink resource allocation method, where the method includes:
基站保存为每个用户设备 UE配置的上行调度请求信道资源的配置信息,所 述配置信息中, 每个 UE配置至少两个上行调度请求信道资源, 其中所述 UE的 数量小于所述上行调度请求信道资源的数量; The base station stores the configuration information of the uplink scheduling request channel resource configured for each user equipment UE, where the configuration information is that each UE is configured with at least two uplink scheduling request channel resources, where the number of the UEs is smaller than the uplink scheduling request. The number of channel resources;
基站接收到 UE通过所配置的至少两个上行调度请求信道资源发送的调度请 求 SR后, 根据所述配置信息确定发送所述 SR的 UE; After receiving the scheduling request SR sent by the UE through the configured at least two uplink scheduling request channel resources, the base station determines, according to the configuration information, the UE that sends the SR;
向确定的 UE分配上行资源。 An uplink resource is allocated to the determined UE.
2、 根据权利要求 1所述的方法, 其特征在于, 还包括: 所述配置信息中, 每个上行调度请求信道资源被至少两个 UE共享。 The method according to claim 1, further comprising: in the configuration information, each uplink scheduling request channel resource is shared by at least two UEs.
3、 根据权利要求 1所述的方法, 其特征在于, 根据所述配置信息确定发送 所述 SR的 UE; The method according to claim 1, wherein the UE that sends the SR is determined according to the configuration information;
根据接收到的上行调度请求信道资源查找所述配置信息,获取与每个上行调 度请求信道资源对应的 UE集合, 所述 UE集合中包含配置了所述上行调度请求 信道资源的 UE; Obtaining, according to the received uplink scheduling request channel resource, the configuration information, and acquiring a UE set corresponding to each uplink scheduling request channel resource, where the UE set includes a UE configured with the uplink scheduling request channel resource;
比较所述 UE集合, 根据比较结果获得所述 UE集合的交集, 将所述交集中 的 UE确定为发送所述 SR的 UE。 Comparing the UE set, obtaining an intersection of the UE set according to the comparison result, and determining, by the UE in the intersection, a UE that sends the SR.
4、 根据权利要求 1所述的方法, 其特征在于, 所述上行调度请求信道资源 包括至少一个下述资源: 调度请求 -物理上行控制信道 SR-PUCCH, 物理随机接 入信道 PRACH内的导频码 preamble。 The method according to claim 1, wherein the uplink scheduling request channel resource includes at least one of the following resources: a scheduling request-physical uplink control channel SR-PUCCH, a pilot in a physical random access channel PRACH Code preamble.
5、 根据权利要求 1所述的方法, 其特征在于, 还包括: 5. The method according to claim 1, further comprising:
基站通过 RRC消息将为每个 UE配置的至少两个上行调度请求信道资源发 送给所述 UE。 The base station sends at least two uplink scheduling request channel resources configured for each UE to the UE through an RRC message.
6、 一种上行资源分配方法, 其特征在于, 所述方法包括: An uplink resource allocation method, where the method includes:
UE保存基站为所述 UE配置的上行调度请求信道资源的配置信息, 所述基 站为所述 UE配置至少两个上行调度请求信道资源;
当所述 UE需要发送上行数据时, 根据所述配置信息中为所述 UE配置的上 行调度请求信道资源向所述基站发送 SR; The UE stores configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplink scheduling request channel resources for the UE; When the UE needs to send uplink data, send an SR to the base station according to the uplink scheduling request channel resource configured for the UE in the configuration information;
接收基站根据所述 SR为所述 UE分配的上行资源。 And receiving, by the base station, an uplink resource allocated by the UE according to the SR.
7、 根据权利要求 6所述的方法, 其特征在于, 还包括: 7. The method according to claim 6, further comprising:
UE接收基站发送的 RRC消息, 所述 RRC消息中包含所述基站为所述 UE 配置的上行调度请求信道资源。 The UE receives an RRC message sent by the base station, where the RRC message includes an uplink scheduling request channel resource configured by the base station for the UE.
8、 一种上行资源分配装置, 其特征在于, 所述装置包括: 8. An uplink resource allocation device, the device comprising:
保存单元,用于保存基站为每个 UE配置的上行调度请求信道资源的配置信 息, 所述配置信息中, 每个 UE配置至少两个上行调度请求信道资源, 其中所述 UE的数量小于所述上行调度请求信道资源的数量; a saving unit, configured to save configuration information of an uplink scheduling request channel resource configured by the base station for each UE, where the UE configures at least two uplink scheduling request channel resources, where the number of the UE is smaller than the The number of uplink scheduling request channel resources;
接收单元,用于接收 UE通过所配置的至少两个上行调度请求信道资源发送 的 SR; a receiving unit, configured to receive, by the UE, an SR that is sent by using the configured at least two uplink scheduling request channel resources;
确定单元,用于根据所述保存单元中的配置信息确定发送所述接收单元接收 到的 SR的 UE; a determining unit, configured to determine, according to configuration information in the saving unit, a UE that sends the SR received by the receiving unit;
分配单元, 用于向所述确定单元确定的 UE分配上行资源。 And an allocating unit, configured to allocate an uplink resource to the UE determined by the determining unit.
9、 根据权利要求 8所述的装置, 其特征在于, 所述保存单元所保存的配置 信息中, 每个上行调度请求信道资源被至少两个 UE共享。 The device according to claim 8, wherein, in the configuration information saved by the saving unit, each uplink scheduling request channel resource is shared by at least two UEs.
10、 根据权利要求 8所述的装置, 其特征在于, 所述确定单元包括: 查找子单元,用于根据所述接收单元接收到的上行调度请求信道资源查找所 述配置信息, 获取与每个上行调度请求信道资源对应的 UE集合, 所述 UE集合 中包含配置了所述上行调度请求信道资源的 UE; The device according to claim 8, wherein the determining unit comprises: a searching subunit, configured to search for the configuration information according to an uplink scheduling request channel resource received by the receiving unit, and obtain each The uplink scheduling request channel resource corresponding to the UE set, where the UE set includes the UE configured with the uplink scheduling request channel resource;
比较子单元, 用于比较所述查找子单元查找到的 UE集合, 根据比较结果获 得所述 UE集合的交集, 将所述交集中的 UE确定为发送所述 SR的 UE。 a comparison subunit, configured to compare the UE set searched by the lookup subunit, obtain an intersection of the UE set according to the comparison result, and determine the UE in the intersection as the UE that sends the SR.
11、 根据权利要求 8所述的装置, 其特征在于, 所述装置还包括: 发送单元, 用于通过 RRC消息将为每个 UE配置的至少两个上行调度请求 信道资源发送给所述 UE。
The device according to claim 8, wherein the device further comprises: a sending unit, configured to send, by using an RRC message, at least two uplink scheduling request channel resources configured for each UE to the UE.
12、 一种上行资源分配装置, 其特征在于, 所述装置包括: 保存单元, 用于保存基站为 UE配置的上行调度请求信道资源的配置信息, 所述基站为所述 UE配置至少两个上行调度请求信道资源; An uplink resource allocation apparatus, where the apparatus includes: a saving unit, configured to save configuration information of an uplink scheduling request channel resource configured by the base station for the UE, where the base station configures at least two uplinks for the UE Scheduling request channel resources;
发送单元, 用于当所述 UE需要发送上行数据时, 根据所述配置信息中为所 述 UE配置的上行调度请求信道资源向所述基站发送 SR; a sending unit, configured to send, to the base station, an SR according to an uplink scheduling request channel resource configured for the UE in the configuration information, when the UE needs to send uplink data;
第一接收单元, 用于接收基站根据所述 SR为所述 UE分配的上行资源。 The first receiving unit is configured to receive, by the base station, an uplink resource allocated by the base station according to the SR.
13、 根据权利要求 12所述的装置, 其特征在于, 还包括: 13. The device according to claim 12, further comprising:
第二接收单元, 用于接收基站发送的 RRC消息, 所述 RRC消息中包含所述 基站为所述 UE配置的上行调度请求信道资源。
And a second receiving unit, configured to receive an RRC message sent by the base station, where the RRC message includes an uplink scheduling request channel resource configured by the base station for the UE.
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