WO2012092833A1 - 一种资源管理的方法、基站和系统 - Google Patents

一种资源管理的方法、基站和系统 Download PDF

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Publication number
WO2012092833A1
WO2012092833A1 PCT/CN2011/085096 CN2011085096W WO2012092833A1 WO 2012092833 A1 WO2012092833 A1 WO 2012092833A1 CN 2011085096 W CN2011085096 W CN 2011085096W WO 2012092833 A1 WO2012092833 A1 WO 2012092833A1
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WO
WIPO (PCT)
Prior art keywords
uplink data
information
base station
acknowledgement
periodic
Prior art date
Application number
PCT/CN2011/085096
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English (en)
French (fr)
Inventor
余庆祥
Original Assignee
华为技术有限公司
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
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP11855071.4A priority Critical patent/EP2651160B1/en
Priority to JP2013547797A priority patent/JP5700883B2/ja
Publication of WO2012092833A1 publication Critical patent/WO2012092833A1/zh
Priority to US13/936,554 priority patent/US9301162B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0061Error detection codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072Error control for data other than payload data, e.g. control data
    • H04L1/0073Special arrangements for feedback channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management

Definitions

  • the present invention relates to communication technologies, and in particular, to a resource management method, a base station, and a system.
  • LTE Long Term Evolution
  • the user equipment after receiving the RRC (Radio Resource Control) command sent by the source base station, the user equipment randomly sends an access request to the target base station, and the destination base station receives the connection. After the request is received, the access response is replied to establish a connection with the user equipment.
  • RRC Radio Resource Control
  • the target base station After the destination base station establishes a connection with the user equipment, the target base station timely implements periodic indication information related to the system frame number (such as CQI (Channel Quality Indication), SRS (Souding Reference Signal), and SRI (Scheduling Request Indication)
  • the corresponding periodic resource for example, a subframe in which CQI or SRS is periodically transmitted.
  • the user equipment does not take effect on the system frame number (SFN).
  • the subframe for transmitting the CQI is valid in time.
  • the destination base station considers that there will be a CQI reported by the user equipment on the subframe in which the CQI is transmitted, and therefore the loop is performed. Redundancy code verification.
  • the user equipment since the time when the user equipment and the destination base station are effective to transmit the CQI subframe is not synchronized, the user equipment may not have a subframe for transmitting the CQI, thereby causing the destination base station to check the cyclic redundancy code error, causing the data to be retransmitted incorrectly. , increase the interrupt delay. Summary of the invention Embodiments of the present invention provide a resource management method, a base station, and a system, which avoid the case where data is erroneously retransmitted, thereby reducing the interruption delay.
  • An aspect of the present invention provides a method for resource management, including: receiving, by a base station, first uplink data or first acknowledgement information sent by a user equipment, where the base station includes periodicity according to the first uplink data or the first acknowledgement information Formatting the information, decoding the first uplink data or the first acknowledgement information; if the first uplink data or the first acknowledgement information is successfully decoded, the base station determines the first uplink data or the The first acknowledgment information includes periodic indication information, and the base station validates the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgment information.
  • a base station including: a first receiving unit, configured to receive first uplink data or first acknowledgement information sent by a user equipment, and a first decoding unit, configured to follow the first uplink data Or the first acknowledgement information includes a format of the periodic indication information, and the first uplink data or the first acknowledgement information is decoded; and the first processing unit is configured to: when the first decoding unit is configured to the first uplink When the data or the first acknowledgment information is successfully decoded, it is determined that the first uplink data or the first acknowledgment information includes periodic indication information, and the first uplink data or the first received by the first receiving unit is valid.
  • the periodic resource corresponding to the periodic indication information included in the confirmation information.
  • Still another aspect of the present invention provides a mobile communication system including the base station as described above.
  • the base station decodes the uplink data or the acknowledgment information sent by the user equipment according to the format that the uplink data or the acknowledgment information includes the periodic indication information.
  • the decoding is correct, it is determined that the uplink data or the acknowledgment information sent by the user equipment is included.
  • the periodic indication information, the periodic resource corresponding to the periodic indication information included in the uplink data or the acknowledgment information of the base station which overcomes the periodic resources corresponding to the periodic indication information of the base station and the user equipment that are not synchronized.
  • the data is erroneously retransmitted, which reduces the latency.
  • FIG. 1 is a schematic flowchart of a method for resource management according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another method for resource management according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of still another method for resource management according to an embodiment of the present disclosure.
  • FIG. 4 (2) is a schematic structural diagram of another base station according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of still another base station according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the embodiment of the present invention provides a resource management method, as shown in FIG. 1, including the following content.
  • the base station receives the first uplink data or the first acknowledgement information sent by the user equipment.
  • the confirmation information may be the acknowledgement character ACK (acknowledgement).
  • the method further includes: 10. After receiving the access request sent by the user equipment, the base station returns an access response to the user equipment, so as to establish a connection between the base station and the user equipment.
  • the base station decodes the received first uplink data or first acknowledgement information according to the format of the first uplink data or the first acknowledgement information including the periodic indication information, and if the decoding is successful, performs 13; if decoding If it fails, execute 14.
  • the periodic indication information may be periodic indication information related to a system frame number, and the periodic indication information related to the system frame number includes at least one of the following information: a channel quality indicator (CQI), Sounding reference signal (SRS), scheduling request indication (SRI), etc.
  • CQI channel quality indicator
  • SRS Sounding reference signal
  • SRI scheduling request indication
  • the channel corresponding to the CQI may be a Physical Uplink Control Channel (PUCCH) or a Physical Uplink Shared Channel (PUSCH).
  • the base station determines that the received first uplink data or the first acknowledgment information includes periodic indication information, and validates the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgment information.
  • the periodic resource corresponding to the periodic indication information includes a resource such as a subframe that transmits the periodic indication information.
  • the base station determines that the received first uplink data or the first acknowledgement information does not include the periodic indication information, and does not validate the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information. Optionally, you can perform 15 after this step.
  • the base station performs the first cyclic redundancy check on the received first uplink data or the first acknowledgement information according to the format that the first uplink data or the first acknowledgement information does not include the periodic indication information, if the check is correct , execute 16; if the check is incorrect, execute 17.
  • the base station sends a first acknowledgement message to the user equipment, where the first acknowledgement message indicates that the base station has received the first uplink data or the first acknowledgement information.
  • the foregoing base station discards the received first uplink data or first acknowledgement information.
  • the base station after performing 13, that is, the base station has already applied the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, the base station receives the second uplink sent by the user equipment.
  • the data or the second confirmation information is as shown in FIG. 2, the following may also be included.
  • the base station receives the second uplink data or the second acknowledgement information sent by the user equipment.
  • the base station decodes the received second uplink data or the second acknowledgment information according to the format that the second uplink data or the second acknowledgment information includes the periodic indication information, and if the decoding succeeds, performs 23; if the decoding fails , then execute 24.
  • the base station validating the periodic indication included in the second uplink data or the second acknowledgement information The periodic resource corresponding to the information.
  • the foregoing base station discards the received second uplink data or second acknowledgement information.
  • the base station after the base station performs the 14th, that is, the base station does not validate the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, the base station receives the sent by the user equipment.
  • the second uplink data or the second confirmation information is as shown in FIG. 3, the following may also be included.
  • the base station receives second uplink data or second acknowledgement information sent by the user equipment.
  • the base station decodes the received second uplink data or the second acknowledgement information according to the format that the second uplink data or the second acknowledgement information includes the periodic indication information, and if the decoding succeeds, performs 33; if the decoding fails , then execute 34.
  • the base station performs a second cyclic redundancy check on the received second uplink data or the second acknowledgement information according to the format that the second uplink data or the second acknowledgement information does not include the periodic indication information, if the check is correct. , then execute 35. If the verification is wrong, execute 36.
  • the base station sends a second acknowledgement message to the user equipment, where the second acknowledgement message indicates that the base station has received the second uplink data or the second acknowledgement information.
  • the foregoing base station discards the received second uplink data or second acknowledgement information.
  • the process of decoding according to the format of the uplink data or the acknowledgment information including the periodic indication information is essentially performing the CRC according to the format of the uplink data or the acknowledgment information including the periodic indication information, and the purpose is to enable the base station to know the user equipment to send Whether there is periodic indication information in the uplink data or the acknowledgment information, so as to know in time whether the user equipment has validated the resources corresponding to the periodic indication information. If the decoding is performed in the format that includes the periodic indication information in the uplink data or the acknowledgment information, and the decoding succeeds, the user equipment is effective in the periodic resource, which overcomes the corresponding information in the prior art that the base station and the user equipment are not synchronized.
  • the process of using the CRC for error detection may be: generating, by the user equipment side, a r-bit CRC code for verification according to a K-bit binary code sequence to be transmitted, and attaching it to the original information to form a
  • the new binary code sequence has a total of K+r bits, and is then sent to the base station; the base station performs verification according to the rules followed between the information code and the CRC code, and the information field and the length of the check field of the CRC code can be arbitrarily selected.
  • K and r are positive integers.
  • the embodiment of the present invention provides a base station, as shown in FIG. 4 (1), including a first receiving unit 41, a first decoding unit 42, and a first processing unit 43.
  • the first receiving unit 41 receives the first uplink data or the first acknowledgement information sent by the user equipment.
  • the confirmation information may be an acknowledgement character ACK (acknowledgement).
  • the first decoding unit 42 decodes the first uplink data or the first acknowledgement information according to the format of the first uplink data or the first acknowledgement information including the periodic indication information.
  • the first processing unit 43 determines that the first uplink data or the first acknowledgment information received by the first receiving unit 41 includes periodicity.
  • the indication information, the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information is valid; when the first decoding unit 42 fails to decode the first uplink data or the first acknowledgement information, The processing unit 43 determines that the first uplink data or the first acknowledgement information received by the first receiving unit 41 does not include the periodic indication information, and does not validate the periodic indication information included in the first uplink data or the first acknowledgement information. Corresponding periodic resources.
  • the periodic indication information may be periodic indication information related to a system frame number, and the periodic indication information related to the system frame number includes at least one of the following information: a channel quality indicator (CQI), a sounding reference signal (SRS), Scheduling request indication (SRI), etc.
  • CQI channel quality indicator
  • SRS sounding reference signal
  • SRI Scheduling request indication
  • the foregoing base station may further include: a first check unit 44, configured to: when the first decoding unit 42 receives the first uplink data from the first receiving unit 41, Or, when the first acknowledgement information fails to be decoded, performing the first cyclic redundancy check on the first uplink data or the first acknowledgement information according to the format that does not include the periodic indication information in the first uplink data or the first acknowledgement information.
  • a first check unit 44 configured to: when the first decoding unit 42 receives the first uplink data from the first receiving unit 41, Or, when the first acknowledgement information fails to be decoded, performing the first cyclic redundancy check on the first uplink data or the first acknowledgement information according to the format that does not include the periodic indication information in the first uplink data or the first acknowledgement information.
  • the base station may further include a second processing unit 45, configured to send a first acknowledgement message to the user equipment when the first check unit 44 is correctly verified, where the first acknowledgement message indicates that the base station has received The first uplink data or the first acknowledgement information; when the first check unit 44 checks the error, discarding the first uplink data or the first acknowledgement information received by the first receiving unit 41.
  • a second processing unit 45 configured to send a first acknowledgement message to the user equipment when the first check unit 44 is correctly verified, where the first acknowledgement message indicates that the base station has received The first uplink data or the first acknowledgement information; when the first check unit 44 checks the error, discarding the first uplink data or the first acknowledgement information received by the first receiving unit 41.
  • connection unit 40 may be further configured to: after receiving the access request sent by the user equipment, replying to the access response to establish a connection with the user equipment.
  • the base station may further include: a second receiving unit 51, a second decoding unit 52, and a third processing unit 53.
  • the second receiving unit 51 receives the second uplink data or the second acknowledgement information sent by the user equipment.
  • the second decoding unit 52 decodes the second uplink data or the second acknowledgement information received by the second receiving unit 51 according to the format including the periodic indication information in the second uplink data or the second acknowledgement information.
  • the third processing unit 53 determines that the second uplink data or the second acknowledgment information received by the second receiving unit 51 includes a period.
  • the third processing unit 53 performs the second uplink The data or the second confirmation information is processed.
  • the third processing unit 53 may further include:
  • the discarding sub-unit 531 is configured to discard the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, and discard the received by the second receiving unit 51. Second uplink data or second confirmation information; and/or
  • the verification sub-unit 532 is configured to: when the first processing unit 43 does not validate the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, according to the second uplink data or the second acknowledgement information The format of the periodic indication information is not included, and the second cyclic redundancy check is performed on the second uplink data or the second acknowledgement information received by the second receiving unit 51.
  • the foregoing base station may further include a processing sub-unit 533, configured to send a second acknowledgement message to the user equipment when the check sub-unit 532 is correctly verified, where the second acknowledgement message indicates that the base station is connected
  • the second uplink data or the second acknowledgement information is received.
  • the check sub-unit 532 checks the error, the second uplink data or the second acknowledgement information received by the second receiving unit 51 is discarded.
  • the base station does not validate the periodic resource corresponding to the periodic indication information immediately after establishing the connection with the user equipment, but performs the uplink data or the confirmation according to the format of the uplink indication information or the acknowledgment information including the periodic indication information. After the information is decoded and succeeded, the base station confirms that the periodic resource is validated by the user equipment, and then the periodic resource corresponding to the periodic indication information is valid.
  • the base station activates the periodic resource and avoids the CRC school.
  • the error is caused by data retransmission, which reduces the interruption delay.
  • the base station decodes the uplink data or the acknowledgment information according to the format of the uplink information or the acknowledgment information in the acknowledgment information, and after the decoding fails, the base station does not include the format of the periodic indication information according to the uplink data or the acknowledgment information.
  • the uplink data or the acknowledgment information is subjected to cyclic redundancy check, so that the base station can implement the periodic resource corresponding to the periodic indication information at an appropriate time, and the purpose of reducing the handover interruption delay is achieved.
  • each unit included is only divided according to function logic, but is not limited to the above division, as long as the corresponding function can be implemented.
  • the specific names of the respective units are only for convenience of distinction from each other, and are not intended to limit the scope of protection of the present invention.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

一种资源管理的方法、基站和系统,属于通讯技术领域。本发明实施例首先,基站接收用户设备发送的第一上行数据或第一确认信息;然后,基站按照所述第一上行数据或第一确认信息中包含周期性指示信息的格式,对所述第一上行数据或第一确认信息进行解码,如果对所述第一上行数据或第一确认信息解码成功,则所述基站判断所述第一上行数据或所述第一确认信息中包含周期性指示信息,所述基站生效所述第一上行数据或第一确认信息中包含的周期性指示信息对应的周期性资源。通过本发明的技术方案克服了现有技术由于基站和用户设备不同步生效周期性指示信息对应的周期性资源而造成的数据被错误重传的问题,从而减少了中断时延。

Description

一种资源管理的方法、 基站和系统
本申请要求于 2011年 1月 6 日提交中国专利局、 申请号为
201110006620.2、 发明名称为"一种资源管理的方法、 基站和系统"的中国 专利申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及通讯技术, 尤其涉及一种资源管理的方法、 基站和系统。 背景技术 长期演进( Long Term Evolution, LTE ) 系统中, 用户设备在接收到源基 站发送的 RRC (无线资源控制, Radio Resource Control )命令后, 随机发送接 入请求给目的基站, 目的基站接收该接入请求后回复接入响应, 建立与用户 设备之间的连接。 在目的基站与用户设备建立连接后, 目的基站会及时的生 效与系统帧号相关的周期性指示信息(如 CQI(信道质量指示, Channel Quality Indication ) 、 SRS (探测参考信号, Souding Reference Signal )和 SRI (调度 请求指示, Scheduling Request Indication ) )对应的周期性资源, 例如周期性 传输 CQI或 SRS的子帧。 而用户设备是在获取系统帧号 ( System Frame Number, SFN )之后才生效与系统帧号相关的周期性资源。
例如, 目的基站在与用户设备建立了连接后, 及时生效了传输 CQI的子 帧, 此时, 该目的基站就认为在传输该 CQI的子帧上将会有用户设备上报的 CQI, 因此进行循环冗余码校验。 但由于用户设备与目的基站生效该传输 CQI 的子帧的时间并不同步, 用户设备可能还没有生效传输 CQI的子帧, 从而造 成目的基站校验循环冗余码错误, 造成数据被错误重传, 增加中断时延。 发明内容 本发明的实施例提供了一种资源管理的方法、 基站和系统, 避免了数据 被错误重传的情况, 从而减少了中断时延。
本发明一方面提供了一种资源管理的方法, 包括: 基站接收用户设备发 送的第一上行数据或第一确认信息; 所述基站按照所述第一上行数据或第一 确认信息中包含周期性指示信息的格式, 对所述第一上行数据或第一确认信 息进行解码; 如果对所述第一上行数据或第一确认信息解码成功, 则所述基 站判断所述第一上行数据或所述第一确认信息中包含周期性指示信息, 所述 基站生效所述第一上行数据或第一确认信息中包含的周期性指示信息对应的 周期性资源。
本发明另一方面还提供了一种基站, 包括: 第一接收单元, 用于接收用 户设备发送的第一上行数据或第一确认信息; 第一解码单元, 用于按照所述 第一上行数据或第一确认信息中包含周期性指示信息的格式, 对所述第一上 行数据或第一确认信息进行解码; 和第一处理单元, 用于当所述第一解码单 元对所述第一上行数据或第一确认信息解码成功时, 判断所述第一上行数据 或所述第一确认信息中包含周期性指示信息, 生效所述第一接收单元接收到 的所述第一上行数据或第一确认信息中包含的周期性指示信息对应的周期性 资源。
本发明再一方面还提供了一种移动通信系统, 包括如上所述的基站。 上述技术方案中, 基站按照上行数据或确认信息中包含周期性指示信息 的格式对用户设备发送的上行数据或确认信息进行解码, 当解码正确时, 判 断用户设备发送的上行数据或确认信息中包含周期性指示信息, 基站再生效 上行数据或确认信息中包含的周期性指示信息对应的周期性资源, 克服了现 有技术由于基站和用户设备不同步生效周期性指示信息对应的周期性资源而 造成的数据被错误重传的问题, 从而减少了中断时延。 附图说明 为了更清楚地说明本发明实施例的技术方案, 下面将对实施例描述中所 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。
图 1为本发明实施例提供的一种资源管理的方法流程示意图;
图 2为本发明实施例提供的另一种资源管理的方法流程示意图;
图 3为本发明实施例提供的再一种资源管理的方法流程示意图;
图 4 ( 1 ) 为本发明实施例提供的一种基站的结构示意图;
图 4 ( 2 ) 为本发明实施例提供的另一种基站的结构示意图;
图 5为本发明实施例提供的再一种基站的结构示意图。 具体实施方式 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行 清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而 不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作 出创造性劳动前提下所获得的所有其他实施例 , 都属于本发明保护的范围。
本发明实施例提供了一种资源管理的方法, 如图 1所示, 包括以下内容。
11、基站接收用户设备发送的第一上行数据或第一确认信息。 在具体实现 过程中, 该确认信息可以是确认字符 ACK ( acknowledge ) 。
作为可选的, 11之前还可以包括: 10、 基站在接收用户设备发送的接入 请求后, 向用户设备回复接入响应, 从而建立该基站与用户设备的连接。
12、上述基站按照第一上行数据或第一确认信息中包含周期性指示信息的 格式, 对接收到的上述第一上行数据或第一确认信息进行解码, 若解码成功, 则执行 13 ; 若解码失败, 则执行 14。
上述周期性指示信息可以是与系统帧号相关的周期性指示信息, 该与系 统帧号相关的周期性指示信息至少包括以下信息之一:信道质量指示( CQI )、 探测参考信号 (SRS ) 、 调度请求指示 (SRI )等。 该 CQI对应的信道可以是 物理上行控制信道(Physical Uplink Control Channel, PUCCH ) , 也可以是物 理上行共享信道(Physical Uplink Shared Channel, PUSCH ) 。
13、上述基站判断接收到的第一上行数据或第一确认信息中包含周期性指 示信息, 并生效该第一上行数据或第一确认信息中包含的周期性指示信息对 应的周期性资源。
在具体实现过程中,上述周期性指示信息对应的周期性资源包括传输该周 期性指示信息的子帧等资源。
14、上述基站判断接收到的第一上行数据或第一确认信息中未包含周期性 指示信息, 不生效该第一上行数据或第一确认信息中包含的周期性指示信息 对应的周期性资源。 可选地, 本步骤后还可以执行 15。
15、上述基站按照第一上行数据或第一确认信息中不包含周期性指示信息 的格式, 对接收到的第一上行数据或第一确认信息进行第一循环冗余校验, 若校验正确, 则执行 16; 若校验错误, 则执行 17。
16、 上述基站向用户设备发送第一确认消息, 该第一确认消息表示基站已 接收到上述第一上行数据或第一确认信息。
17、 上述基站丟弃接收到的第一上行数据或第一确认信息。
作为一个可选实施例, 在执行 13后, 即基站已经生效过第一上行数据或第 一确认信息中包含的周期性指示信息对应的周期性资源, 那么基站接收到用 户设备发送的第二上行数据或第二确认信息时, 如图 2所示, 还可以包括以下 内容。
21、 基站接收用户设备发送的第二上行数据或第二确认信息。
22、上述基站按照第二上行数据或第二确认信息中包含周期性指示信息的 格式, 对接收到的第二上行数据或第二确认信息进行解码, 若解码成功, 则 执行 23; 若解码失败, 则执行 24。
23、上述基站生效上述第二上行数据或第二确认信息中包含的周期性指示 信息对应的周期性资源。
24、 上述基站丟弃接收到的第二上行数据或第二确认信息。
作为另一可选实施例, 基站在执行 14后, 即基站未生效所述第一上行数据 或第一确认信息中包含的周期性指示信息对应的周期性资源, 那么基站接收 到用户设备发送的第二上行数据或第二确认信息时, 如图 3所示, 还可以包括 以下内容。
31、 基站接收用户设备发送的第二上行数据或第二确认信息;
32、 上述基站按照第二上行数据或第二确认信息中包含周期性指示信息 的格式, 对接收到的第二上行数据或第二确认信息进行解码, 若解码成功, 则执行 33 ; 若解码失败, 则执行 34。
33、 上述基站生效接收到的第二上行数据或第二确认信息中包含的周期 性指示信息对应的周期性资源。
34、 上述基站按照第二上行数据或第二确认信息中不包含周期性指示信 息的格式,对接收到的第二上行数据或第二确认信息进行第二循环冗余校验, 若校验正确, 则执行 35 , 若校验错误, 则执行 36。
35、 上述基站向上述用户设备发送第二确认消息, 该第二确认消息表示 基站已接收到第二上行数据或第二确认信息。
36、 上述基站丟弃接收到的第二上行数据或第二确认信息。
上述方法中, 按照上行数据或确认信息中包含周期性指示信息的格式进 行解码的过程, 实质是按照上行数据或确认信息中包含周期性指示信息的格 式进行 CRC , 其目的使基站了解用户设备发送的上行数据或确认信息中是否 有周期性指示信息, 从而及时的了解到用户设备是否生效了该周期性指示信 息对应的资源。 若按照上行数据或确认信息中包含周期性指示信息的格式进 行解码并且解码成功, 则说明用户设备生效了周期性资源, 克服了现有技术 由于基站和用户设备不同步生效周期性指示信息对应的周期性资源而造成的 数据被错误重传的问题, 从而减少了中断时延。 具体地, 利用 CRC进行检错的过程可以为: 在用户设备侧根据要传送的 K位二进制码序列, 以一定的规则产生一个校验用的 r位 CRC码, 附在原始信 息后边, 构成一个新的二进制码序列共 K+r位, 然后发送给基站; 基站根据信 息码和 CRC码之间所遵循的规则进行校验, 所述 CRC码的信息字段和检验字 段的长度可以任意选定, 其中 K和 r为正整数。
本发明实施例提供了一种基站, 如图 4 ( 1 )所示, 包括第一接收单元 41 , 第一解码单元 42和第一处理单元 43。 其中, 上述第一接收单元 41接收用户设 备发送的第一上行数据或第一确认信息。 在具体实现过程中, 该确认信息可 以是确认字符 ACK ( acknowledge )。 上述第一解码单元 42按照上述第一上行 数据或第一确认信息中包含周期性指示信息的格式, 对上述第一上行数据或 第一确认信息进行解码。 当上述第一解码单元 42对上述第一上行数据或第一 确认信息解码成功时, 第一处理单元 43判断上述第一接收单元 41接收到的第 一上行数据或第一确认信息中包含周期性指示信息, 生效该第一上行数据或 第一确认信息中包含的周期性指示信息对应的周期性资源; 当上述第一解码 单元 42对上述第一上行数据或第一确认信息解码失败时, 第一处理单元 43判 断上述第一接收单元 41接收到的第一上行数据或第一确认信息中未包含周期 性指示信息, 不生效该第一上行数据或第一确认信息中包含的周期性指示信 息对应的周期性资源。
上述周期性指示信息可以是与系统帧号相关的周期性指示信息,该与系统 帧号相关的周期性指示信息至少包括以下信息之一: 信道质量指示 (CQI ) 、 探测参考信号 (SRS ) 、 调度请求指示 (SRI )等。
作为可选的, 如图 4 ( 2 )所示, 上述基站还可以包括: 第一校验单元 44, 用于当上述第一解码单元 42对上述第一接收单元 41接收到的第一上行数据或 第一确认信息解码失败时, 按照第一上行数据或第一确认信息中不包含周期 性指示信息的格式, 对上述第一上行数据或第一确认信息进行第一循环冗余 校验。 可选地, 该基站还可包括第二处理单元 45 , 用于当上述第一校验单元 44 校验正确时, 向上述用户设备发送第一确认消息, 该第一确认消息表示基站 已接收到第一上行数据或第一确认信息; 当上述第一校验单元 44校验错误时, 丟弃上述第一接收单元 41接收到的第一上行数据或第一确认信息。
在执行第一接收单元 41之前还可以包括建立连接单元 40 ,用于在接收用户 设备发送的接入请求后, 回复接入响应, 从而与用户设备建立连接。
作为可选的, 如图 5所示, 该基站还可以包括: 第二接收单元 51 , 第二解 码单元 52和第三处理单元 53。 其中, 上述第二接收单元 51接收用户设备发送 的第二上行数据或第二确认信息。 上述第二解码单元 52按照第二上行数据或 第二确认信息中包含周期性指示信息的格式, 对上述第二接收单元 51接收到 的第二上行数据或第二确认信息进行解码。 当上述第二解码单元 52对上述第 二上行数据或第二确认信息解码成功时, 上述第三处理单元 53判断上述第二 接收单元 51接收到的第二上行数据或第二确认信息中包含周期性指示信息, 生效该第二上行数据或第二确认信息中包含的周期性指示信息对应的周期性 资源; 当上述第二解码单元 52解码失败时, 上述第三处理单元 53对上述第二 上行数据或第二确认信息进行处理。 在具体实现过程中, 第三处理单元 53进 一步可以包括:
丟弃子单元 531 ,用于当上述第一处理单元 43已生效第一上行数据或第一 确认信息中包含的周期性指示信息对应的周期性资源时, 丟弃第二接收单元 51接收到的第二上行数据或第二确认信息; 和 /或
校验子单元 532, 用于当上述第一处理单元 43未生效第一上行数据或第一 确认信息中包含的周期性指示信息对应的周期性资源时, 按照第二上行数据 或第二确认信息中不包含周期性指示信息的格式, 对上述第二接收单元 51接 收到的第二上行数据或第二确认信息进行第二循环冗余校验。
可选地, 上述基站还可包括处理子单元 533 , 用于当上述校验子单元 532 校验正确时, 向用户设备发送第二确认消息, 该第二确认消息表示基站已接 收到第二上行数据或第二确认信息; 当上述校验子单元 532校验错误时, 丟弃 上述第二接收单元 51接收到的第二上行数据或第二确认信息。
上述基站中包含的各单元的处理功能的具体实现方式在之前的方法实施 例中已经描述, 在此不再重复描述。 本发明实施例基站不会在与用户设备之间建立连接后立即生效周期性指 示信息对应的周期性资源, 而是按照上行数据或确认信息中包含周期性指示 信息的格式, 对上行数据或确认信息进行解码并且成功后, 基站确认了用户 设备已经生效了该周期性资源, 再生效周期性指示信息对应的周期性资源。 若按照上行数据或确认信息中包含周期性指示信息的格式, 对上行数据或确 认信息进行解码并且解码成功, 则说明用户设备生效了周期性资源, 故此时 基站生效周期性资源, 避免了 CRC校验错误引起数据重传, 从而减少了中断 时延。 进一步地, 基站按照上行数据或确认信息中包含周期性指示信息的格 式, 对上行数据或确认信息进行解码并且解码失败后, 基站按照上行数据或 确认信息中不包含周期性指示信息的格式, 对该上行数据或确认信息进行循 环冗余校验,便于基站在合适的时刻生效周期性指示信息对应的周期性资源 , 达到了减少切换中断时延的目的。
值得注意的是, 上述基站实施例中, 所包括的各个单元只是按照功能逻 辑进行划分的, 但并不局限于上述的划分, 只要能够实现相应的功能即可。 另外, 各单元的具体名称也只是为了便于相互区分, 并不用于限制本发明的 保护范围。
另外, 本领域普通技术人员可以理解实现上述各方法实施例中的全部或 部分步骤是可以通过程序来指令相关的硬件完成, 相应的程序可以存储于一 种计算机可读存储介质中, 上述提到的存储介质可以是只读存储器, 磁盘或 光盘等。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并不 局限于此, 任何熟悉本技术领域的技术人员在本发明实施例揭露的技术范围 内, 可轻易想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应该以权利要求的保护范围为准。

Claims

权 利 要 求
1、 一种资源管理的方法, 其特征在于, 包括:
基站接收用户设备发送的第一上行数据或第一确认信息;
所述基站按照所述第一上行数据或第一确认信息中包含周期性指示信息 的格式, 对所述第一上行数据或第一确认信息进行解码;
如果对所述第一上行数据或第一确认信息解码成功, 则所述基站判断所 述第一上行数据或所述第一确认信息中包含周期性指示信息, 所述基站生效 所述第一上行数据或第一确认信息中包含的周期性指示信息对应的周期性资 源。
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: 如果对所述第一上行数据或第一确认信息解码失败, 则所述基站判断所 述第一上行数据或所述第一确认信息中未包含周期性指示信息, 不生效所述 第一上行数据或第一确认信息中包含的周期性指示信息对应的周期性资源; 所述基站按照所述第一上行数据或第一确认信息中不包含周期性指示信 息的格式, 对所述第一上行数据或第一确认信息进行第一循环冗余校验。
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: 如果所述第一循环冗余校验正确, 则所述基站向所述用户设备发送第一 确认消息, 所述第一确认消息表示所述基站已接收到所述第一上行数据或第 一确认信息;
如果所述第一循环冗余校验错误, 则所述基站丟弃所述第一上行数据或 第一确认信息。
4、 根据权利要求 2或 3所述的方法, 其特征在于, 所述方法还包括: 所述基站接收所述用户设备发送的第二上行数据或第二确认信息; 所述基站按照所述第二上行数据或第二确认信息中包含周期性指示信息 的格式, 对所述第二上行数据或第二确认信息进行解码;
如果对所述第二上行数据或第二确认信息解码失败, 若所述基站已生效 所述第一上行数据或第一确认信息中包含的周期性指示信息对应的周期性资 源, 则所述基站丟弃所述第二上行数据或第二确认信息, 若所述基站未生效 所述第一上行数据或第一确认信息中包含的周期性指示信息对应的周期性资 源, 则所述基站按照所述第二上行数据或第二确认信息中不包含周期性指示 信息的格式, 对所述第二上行数据或第二确认信息进行第二循环冗余校验。
5、 根据权利要求 4所述的方法, 其特征在于, 所述方法还包括: 如果所述第二循环冗余校验正确, 则所述基站向所述用户设备发送第二 确认消息, 所述第二确认消息表示所述基站已接收到所述第二上行数据或第 二确认信息;
如果所述第二循环冗余校验错误, 则所述基站丟弃所述第二上行数据或 第二确认信息。
6、 根据权利要求 1至 3任一项所述的方法, 其特征在于, 所述周期性指示 信息包括: 与系统帧号相关的周期性指示信息。
7、 根据权利要求 6所述的方法, 其特征在于, 所述与系统帧号相关的周 期性指示信息至少包括以下信息之一:信道质量指示 CQI、探测参考信号 SRS、 调度请求指示 SRI。
8、 一种基站, 其特征在于, 包括:
第一接收单元,用于接收用户设备发送的第一上行数据或第一确认信息; 第一解码单元, 用于按照所述第一上行数据或第一确认信息中包含周期 性指示信息的格式, 对所述第一上行数据或第一确认信息进行解码; 和
第一处理单元, 用于当所述第一解码单元对所述第一上行数据或第一确 认信息解码成功时, 判断所述第一上行数据或所述第一确认信息中包含周期 性指示信息, 生效所述第一接收单元接收到的所述第一上行数据或第一确认 信息中包含的周期性指示信息对应的周期性资源。
9、 根据权利要求 8所述的基站, 其特征在于,
所述第一处理单元还用于, 当所述第一解码单元对所述第一上行数据或 第一确认信息解码失败时, 判断所述第一上行数据或所述第一确认信息中未 包含周期性指示信息, 不生效所述第一接收单元接收到的所述第一上行数据 或第一确认信息中包含的周期性指示信息对应的周期性资源;
所述基站还包括:
第一校验单元, 用于当所述第一解码单元对所述第一上行数据或第一确 认信息解码失败时, 按照所述第一上行数据或第一确认信息中不包含周期性 指示信息的格式, 对所述第一上行数据或第一确认信息进行第一循环冗余校 验。
10、 根据权利要求 9所述的基站, 其特征在于, 所述基站还包括: 第二处理单元, 用于当所述第一校验单元校验正确时, 向所述用户设备 发送第一确认消息, 所述第一确认消息表示所述基站已接收到所述第一上行 数据或第一确认信息; 当所述第一校验单元校验错误时, 丟弃所述第一上行 数据或第一确认信息。
11、 根据权利要求 9或 10所述的基站, 其特征在于, 所述基站还包括: 第二接收单元,用于接收用户设备发送的第二上行数据或第二确认信息; 第二解码单元, 用于按照所述第二上行数据或第二确认信息中包含周期 性指示信息的格式, 对所述第二上行数据或第二确认信息进行解码; 和
第三处理单元, 用于当所述第二解码单元解码失败时, 对所述第二上行 数据或第二确认信息进行处理;
所述第三处理单元进一步包括:
丟弃子单元, 用于当所述第一处理单元已生效所述第一上行数据或第一 确认信息中包含的周期性指示信息对应的周期性资源时, 丟弃所述第二上行 数据或第二确认信息; 和 /或
校验子单元, 用于当所述第一处理单元未生效所述第一上行数据或第一 确认信息中包含的周期性指示信息对应的周期性资源时, 按照所述第二上行 数据或第二确认信息中不包含周期性指示信息的格式, 对所述第二上行数据 或第二确认信息进行第二循环冗余校验。
12、 根据权利要求 11所述的基站, 其特征在于, 所述第三处理单元进一 步包括:
处理子单元, 用于当所述校验子单元校验正确时, 向所述用户设备发送 第二确认消息, 所述第二确认消息表示所述基站已接收到所述第二上行数据 或第二确认信息; 当所述校验子单元校验错误时, 丟弃所述第二上行数据或 第二确认信息。
13、 根据权利要求 8-10任一项所述基站, 其特征在于, 所述的周期性指 示信息包括与系统帧号相关的周期性指示信息。
14、 根据权利要求 13所述的基站, 其特征在于, 所述与系统帧号相关的 周期性指示信息至少包括以下信息之一: 信道质量指示 CQI、 探测参考信号 SRS、 调度请求指示 SRI。
15、 一种移动通信系统, 其特征在于, 包括如权利要求 8-14任一所述的 基站。
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