WO2011026289A1 - 用于无线分布系统的数据传输方法和装置 - Google Patents

用于无线分布系统的数据传输方法和装置 Download PDF

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Publication number
WO2011026289A1
WO2011026289A1 PCT/CN2009/075847 CN2009075847W WO2011026289A1 WO 2011026289 A1 WO2011026289 A1 WO 2011026289A1 CN 2009075847 W CN2009075847 W CN 2009075847W WO 2011026289 A1 WO2011026289 A1 WO 2011026289A1
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Prior art keywords
data
priority
wireless
transmission
queue
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PCT/CN2009/075847
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English (en)
French (fr)
Inventor
李燕
王占利
孙旺强
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP09848894.3A priority Critical patent/EP2475141A4/en
Priority to CA2772430A priority patent/CA2772430A1/en
Priority to US13/393,401 priority patent/US20120156985A1/en
Publication of WO2011026289A1 publication Critical patent/WO2011026289A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/24Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2408Traffic characterised by specific attributes, e.g. priority or QoS for supporting different services, e.g. a differentiated services [DiffServ] type of service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/24Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2441Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/60Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/61Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/15Flow control; Congestion control in relation to multipoint traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04Registration at HLR or HSS [Home Subscriber Server]

Definitions

  • the present invention relates to the field of communications, and in particular, to a data transmission method and apparatus for a Wireless Distribution System (WDS).
  • WDS Wireless Distribution System
  • BACKGROUND In a wireless distribution system network, a physical device involves three devices: a wireless access point (WDS-AP, a wireless distribution system access point, referred to as an access point), and a repeater (WDS-Repeater, a wireless distribution system). Access repeater, referred to as repeater), wireless client (STA).
  • WDS-AP wireless access point
  • WDS-Repeater a wireless distribution system
  • STA wireless client
  • the repeater is between the wireless access point and the wireless client; the wireless connection is established between the access point and the repeater through the WDS channel; when the repeater is between the access point and the wireless client, it is sent to the STA
  • the data needs to reach the Repeater through the WDS channel first, and the Repeater will decrypt the 4 files and then re-secret the secret, and then forward it to the STA.
  • the traffic sent to the STA is first transmitted through the primary radio, that is, from the AP to the Repeater, and then from the Repeater to the STA after the second wireless transmission. This method uses two-stage wireless transmission to extend the distance of wireless transmission. In the WLAN of FIG.
  • the wireless access point and the wireless repeater establish a WDS connection;
  • the WDS-Repeater is connected to a plurality of wireless clients (STAs), and is connected to the Internet through a wired port of the WDS-AP side.
  • STAs wireless clients
  • Different wireless clients can run different services, such as wireless Internet access, wireless IPTV on-demand/multicast services, Wi-Fi phones, FTP downloads, etc.
  • Wireless services of different wireless users are transmitted on the same channel, sharing wireless bandwidth.
  • the data transmission method for the WDS transmits the first-to-first transmission principle of the service flow of the wireless service data packet, so that the transmission quality of the important service is not obtained when the bandwidth is limited. To guarantee, affect the user experience.
  • An object of the present invention is to provide a data transmission method and apparatus for a wireless distribution system, which can solve the technical problem that the transmission quality of important services in the related art cannot be guaranteed and affect the user experience.
  • a data transmission side for a wireless distribution system includes: receiving, by a wireless access point or a wireless repeater of the wireless distribution system, data; determining a priority of the data; and transmitting the data according to the priority.
  • determining the priority of the data comprises at least one of: the type of the data querying the preset priority list to determine the data priority; determining the priority of the data according to the priority field carried in the data.
  • transmitting the data according to the priority comprises: the wireless access point prioritizing the data into the queues of different priorities; and sequentially transmitting the data in each queue to the wireless repeater according to the priority of the queue.
  • the transmitting the data according to the priority comprises: the wireless repeater importing the data into the queues of different priorities according to the priority; and sequentially transmitting the data in the respective queues to the wireless access point according to the priority of the queue.
  • the method further comprises: storing data in the queue with high priority; determining whether data in the queue with high priority fails to transmit; if the transmission fails, retransmitting the stored data; if the transmission is successful, deleting Stored data.
  • a data transmission apparatus for a wireless distribution system including: a receiving module, configured to receive data; a determining module, configured to determine a priority of the data; and a transmitting module, configured to Priority transfers data.
  • the determining module includes: a first query unit, configured to: perform a priority corresponding to the type of the data obtained in the pre-set priority list; and the first determining unit is configured to determine the corresponding priority as the data. Priority.
  • the determining module includes: a second query unit, configured to query a priority field carried in the data; and a second determining unit, configured to determine a priority of the data according to the priority field.
  • the transmission module includes: an importing unit, configured to import data into queues of different priorities according to priorities; and a transmitting unit, configured to sequentially transmit data in each queue according to priority of the queue.
  • the device further includes: a storage module, configured to store data in the queue with high priority; a determining module, configured to determine whether data in the queue with high priority fails to be transmitted; and a retransmission module, configured to determine The module determines that the data is retransmitted when the transmission fails; and the deleting module is configured to delete the stored data when the determining module determines that the transmission is successful.
  • the device is disposed on a wireless access point or a wireless repeater.
  • FIG. 1 is a schematic diagram of a wireless network structure in the prior art
  • FIG. 2 is a flowchart of a data transmission method for a wireless distribution system according to a first embodiment of the present invention
  • FIG. 3 is a second diagram according to the present invention.
  • FIG. 4 is a flowchart of a data transmission method for a wireless distribution system according to a third embodiment of the present invention.
  • Step S202 The wireless access point or the wireless repeater of the wireless distribution system receives the data; Step S204, determining the priority of the data; Step S206, transmitting the data according to the priority.
  • the data transmission method for a wireless distribution system determines the priority of data in a wireless access point or a wireless repeater, and transmits the data according to the priority, so that It can transmit services with high priority first, so it avoids the technical problems of affecting the user experience when the bandwidth is limited, the transmission quality of important services is not guaranteed, and the best wireless resource configuration is provided for users. effect.
  • determining the priority of the data comprises at least one of: the type of the data querying the preset priority list to determine the data priority; determining the priority of the data according to the priority field carried in the data.
  • transmitting the data according to the priority comprises: the wireless access point prioritizing the data into the queues of different priorities; and sequentially transmitting the data in each queue to the wireless repeater according to the priority of the queue.
  • a high priority transmission policy such as a time slice policy, a priority weight policy, an absolute priority policy, or the like may be enabled to preferentially send messages in the high priority queue from the wireless access point to the WDS interface, and then sent to the WDS channel via the WDS channel.
  • Wireless repeater Preferably, the transmitting the data according to the priority comprises: the wireless repeater importing the data into the queues of different priorities according to the priority; and sequentially transmitting the data in the respective queues to the wireless access point according to the priority of the queue.
  • a high priority transmission policy such as a time slice policy, a priority weight policy, an absolute priority policy, or the like may be enabled to preferentially send messages in the high priority queue from the wireless relay to the WDS interface, and then sent to the WDS channel via the WDS channel.
  • Wireless access point Preferably, the method further comprises: storing data in the queue with high priority; determining whether data in the queue with high priority fails to transmit; if the transmission fails, retransmitting the stored data; if the transmission is successful, deleting Stored data.
  • the data in the high priority queue can be retransmitted, and the data of the priority queue is not cached or retransmitted. Thereby achieving the transmission speed and quality of high priority data, improving the user's body-risk.
  • FIG. 3 is a block diagram of a data transmission apparatus for a wireless distribution system according to a second embodiment of the present invention.
  • a data transmission apparatus for a wireless distribution system according to a second embodiment of the present invention includes: a receiving module 302 for receiving data; a determining module 304 for determining a priority of data; a transmission module 306, used for priority transmission of data.
  • a data transmission apparatus for a wireless distribution system determines data priority by using a receiving module, and then determines a priority of the data by using a determining module, and transmits the data according to a priority by using a transmitting module,
  • the determining module includes: a first query unit, configured to: perform a priority corresponding to the type of the data obtained in the pre-set priority list; and the first determining unit is configured to determine the corresponding priority as the data.
  • a first query unit configured to: perform a priority corresponding to the type of the data obtained in the pre-set priority list; and the first determining unit is configured to determine the corresponding priority as the data. Priority.
  • the determining module includes: a second query unit, configured to query a priority field carried in the data; and a second determining unit, configured to determine a priority of the data according to the priority field.
  • ⁇ 1 such as wireless Internet access, wireless IPTV on-demand / multicast service, Wi-Fi phones, FTP download and other business data are divided into different types of business priority, it is also possible, according to Gen priority field data such as QOS marking carried To determine the priority of the data.
  • the transmission module includes: an importing unit, configured to import data into queues of different priorities according to priorities; and a transmitting unit, configured to sequentially transmit data in each queue according to priority of the queue.
  • a high priority transmission policy such as a time slice policy, a priority weight policy, or an absolute priority policy may be enabled to preferentially send the 4 ⁇ messages in the high priority queue to the WDS interface, and then sent to the destination network element via the WDS channel.
  • the device further includes: a storage module, configured to store data in the queue with high priority; a determining module, configured to determine whether data in the queue with high priority fails to be transmitted; and a retransmission module, configured to The determining module determines that the data is retransmitted when the transmission fails; and the deleting module is configured to delete the stored data when the determining module determines that the transmission is successful.
  • the data in the high priority queue can be retransmitted, and the data of the priority queue is not cached or retransmitted.
  • the device is disposed on a wireless access point or a wireless repeater.
  • the device may be disposed on the wireless access point to transmit the data transmitted to the wireless repeater according to priority; during uplink transmission, the device may be disposed on the wireless repeater, Data transmitted to the wireless access point is transmitted with priority.
  • FIG. 4 is a flowchart of a data transmission method for a wireless distribution system according to a third embodiment of the present invention. As shown in FIG.
  • a data transmission method for a wireless distribution system includes: Step S401: A wireless access point and a wireless access relay establish a WDS connection; Step S402: A service from the Internet The data stream arrives at the wireless access point; Step S403: classify the service flow into different priority queues according to different types of service flows (eg, different QOS tags, etc.); Step S404: Enable a high-priority sending policy (such as a time-slot policy, a priority-weighting policy, an absolute-priority policy, etc.), and send the high-priority queues to the WDS interface, and the high-priority report.
  • a high-priority sending policy such as a time-slot policy, a priority-weighting policy, an absolute-priority policy, etc.
  • Step S405 Sending the 4 ⁇ text to the Repeater through the WDS channel, ensuring that the high priority 4 ⁇ text is preferentially passed through the WDS channel;
  • Step S406 After the sending of the high priority message is sent, the detection is sent. Success;
  • Step S407 If the transmission of the high priority queue fails, the high priority 4 message retransmission policy is enabled. For packets with low priority queues, no cache is enabled, and retransmission policies are not enabled.
  • the data transmission method for the wireless distribution system avoids the technical problem that the transmission quality of the important service is not guaranteed and the user experience is affected when the bandwidth is limited, and the user is provided with the technical problem. The technical effect of optimal wireless resource configuration.
  • the data transmission method and apparatus for a wireless distribution system avoids the technical problem that the transmission quality of important services is not guaranteed and the user experience is affected when the bandwidth is limited in the related art. Users provide the technical effects of optimal wireless resource configuration.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Description

用于无线分布系统的 :据传输方法和装置 技术领域 本发明涉及通信领域, 尤其涉及一种用于无线分布系统 (Wireless Distribution System, WDS ) 的数据传输方法和装置。 背景技术 在无线分布系统网络中, 物理设备涉及到三种装置: 无线接入点 ( WDS-AP, 无线分布系统接入点, 简称接入点)、 中继器 (WDS-Repeater, 无线分布系统接入中继器, 简称中继器), 无线客户端 (STA )。 中继器处于 无线接入点和无线客户端之间; 接入点和中继器之间通过 WDS通道建立无 线连接; 当中继器处在接入点和无线客户端之间时, 发送给 STA的数据需要 通过 WDS通道先到达 Repeater , Repeater会将 4艮文解密后重新力口密, 然后转 发给 STA。发送给 STA的业务流先经过一级无线传输,即从 AP到达 Repeater, 然后再经过二次无线传输从 Repeater到达 STA。 这种釆用两级无线传输的方 式, 扩展了无线传输的距离。 在如图 1的无线局域网络中, 无线接入点和无线中继器建立了 WDS连 接; WDS-Repeater下连接多个无线客户端 ( STA ), 通过 WDS-AP侧有线口 接入 Internet上。 不同无线客户端可运行不同业务, 如无线上网, 无线 IPTV 点播 /组播业务, Wi-Fi电话, FTP下载等业务等。 不同无线用户的无线业务, 在同一个信道传输, 共享无线带宽。 在相关技术中, 用于 WDS的数据传输方法对^载的业务流釆用无线业 务数据报文先到先传输的原则进行传输, 从而在带宽有限的情况下, 导致重 要业务的传输质量得不到保证, 影响用户体验。 发明内容 本发明的目的在于提供一种用于无线分布系统的数据传输方法和装置, 能够解决相关技术中重要业务的传输质量得不到保证, 影响用户体验的技术 问题。 根据本发明的一个方面, 提供了一种用于无线分布系统的数据传输方 法, 包括: 无线分布系统的无线接入点或无线中继器接收数据; 确定数据的 优先级; 根据优先级对数据进行传输。 优选地, 确定数据的优先级包括以下至少一种: 居数据的类型查询预 先设置的优先级列表以确定数据优先级; 根据数据中携带的优先级字段确定 数据的优先级。 优选地, 居优先级对数据进行传输包括: 无线接入点 居优先级将数 据放入到不同优先级的队列中; 按照队列的优先级依次将各个队列中的数据 传输到无线中继器。 优选地, 根据优先级对数据进行传输包括: 无线中继器根据优先级将数 据导入到不同优先级的队列中; 按照队列的优先级依次将各个队列中的数据 传输到无线接入点。 优选地, 该方法还包括: 存储具有高优先级的队列中的数据; 判断具有 高优先级的队列中的数据是否传输失败; 如果传输失败, 则重传存储的数据; 如果传输成功, 则删除存储的数据。 根据本发明的另一个方面,还提供了一种用于无线分布系统的数据传输 装置, 包括: 接收模块, 用于接收数据; 确定模块, 用于确定数据的优先级; 传输模块, 用于根据优先级对数据进行传输。 优选地, 确定模块包括: 第一查询单元, 用于 居数据的类型查询预先 设置的优先级列表中得到数据的类型对应的优先级; 第一确定单元, 用于将 对应的优先级确定为数据的优先级。 优选地, 确定模块包括: 第二查询单元, 用于查询数据中携带的优先级 字段; 第二确定单元, 用于根据优先级字段确定数据的优先级。 优选地, 传输模块包括: 导入单元, 用于根据优先级将数据导入到不同 优先级的队列中; 传输单元, 用于按照队列的优先级依次对各个队列中的数 据进行传输。 优选地, 装置还包括: 存储模块, 用于存储具有高优先级的队列中的数 据; 判断模块, 用于判断具有高优先级的队列中的数据是否传输失败; 重传 模块, 用于在判断模块判断传输失败时重传数据; 删除模块, 用于在判断模 块判断传输成功时删除存储的数据。 优选地, 装置安置于无线接入点或无线中继器上。 借助于本发明的上述至少一个技术方案,通过在无线接入点或无线中继 器中确定数据的优先级, 并根据优先级来对数据进行传输, 使得能够首先传 输具有高优先级的业务, 所以避免了相关技术中在带宽有限时, 重要业务的 传输质量得不到保证, 影响用户体验的技术问题, 达到为用户提供最佳的无 线资源配置的技术效果。 附图说明 附图用来提供对本发明的进一步理解, 并且构成说明书的一部分, 与本 发明的实施例一起用于解释本发明, 并不构成对本发明的限制。 在附图中: 图 1是现有技术中的无线网络结构示意图; 图 2 是根据本发明第一实施例的用于无线分布系统的数据传输方法的 流程图; 图 3 是根据本发明第二实施例的用于无线分布系统的数据传输装置的 方框图; 图 4 是根据本发明第三实施例的用于无线分布系统的数据传输方法的 流程图。 具体实施方式 以下结合附图对本发明的优选实施例进行说明, 应当理解, 此处所描述 的优选实施例仅用于说明和解释本发明, 并不用于限定本发明。 在以下的描述中, 为了解释的目的, 描述了多个特定的细节, 以提供对 本发明的透彻理解。 然而, 艮显然, 在没有这些特定细节的情况下, 也可以 实现本发明, 此外, 在不冲突的情况下, 即在不背离所附权利要求阐明的精 神和范围的情况下,下述实施例以及实施例中的各个细节可以进行各种组合。 第一实施例 图 2 是根据本发明第一实施例的用于无线分布系统的数据传输方法的 流程图。 如图 2所示, 根据本发明第一实施例的用于无线分布系统的数据传 输方法包括: 步骤 S202 , 无线分布系统的无线接入点或无线中继器接收数据; 步骤 S204 , 确定数据的优先级; 步骤 S206 , 居优先级对数据进行传输。 才艮据本发明第一实施例的用于无线分布系统的数据传输方法通过在无 线接入点或无线中继器中确定数据的优先级, 并才艮据优先级来对数据进行传 输, 使得能够首先传输具有高优先级的业务, 所以避免了相关技术中在带宽 有限时, 重要业务的传输质量得不到保证, 影响用户体验的技术问题, 达到 为用户提供最佳的无线资源配置的技术效果。 优选地, 确定数据的优先级包括以下至少一种: 居数据的类型查询预 先设置的优先级列表以确定数据优先级; 根据数据中携带的优先级字段确定 数据的优先级。 如^ 1无线上网、 无线 IPTV点播 /组播业务、 Wi-Fi电话、 FTP下载等业 务数据按业务种类划分为不同的优先级,还可以才艮据数据中携带的例如 QOS 标记的优先级字段来确定数据的优先级, 或者, 也可以将以上两种方式结合 来确定数据的优先级。 优选地, 居优先级对数据进行传输包括: 无线接入点 居优先级将数 据放入到不同优先级的队列中; 按照队列的优先级依次将各个队列中的数据 传输到无线中继器。 可以启用例如时间轮片策略、优先级权重策略、 绝对优先级策略等高优 先级发送策略来将高优先级队列中的报文优先从无线接入点发送到 WDS接 口, 然后经 WDS通道发送到无线中继器。 优选地, 根据优先级对数据进行传输包括: 无线中继器根据优先级将数 据导入到不同优先级的队列中; 按照队列的优先级依次将各个队列中的数据 传输到无线接入点。 可以启用例如时间轮片策略、优先级权重策略、 绝对优先级策略等高优 先级发送策略来将高优先级队列中的报文优先从无线中继器发送到 WDS接 口, 然后经 WDS通道发送到无线接入点。 优选地, 该方法还包括: 存储具有高优先级的队列中的数据; 判断具有 高优先级的队列中的数据是否传输失败; 如果传输失败, 则重传存储的数据; 如果传输成功, 则删除存储的数据。 可以对高优先级队列中的数据进行重传, 对氏优先级队列的数据, 则不 进行緩存,也不进行重传。从而达到保证高优先级的数据的传输速度和质量, 改善用户体 -险的目的。 才艮据本发明第一实施例的用于无线分布系统的数据传输方法避免了相 关技术中在带宽有限时, 重要业务的传输质量得不到保证, 影响用户体验的 技术问题, 达到为用户提供最佳的无线资源配置的技术效果。 第二实施例 图 3 是根据本发明第二实施例的用于无线分布系统的数据传输装置的 方框图。 如图 3所示,才艮据本发明第二实施例的用于无线分布系统的数据传输装 置包括: 接收模块 302, 用于接收数据; 确定模块 304, 用于确定数据的优 先级; 传输模块 306, 用于 居优先级对数据进行传输。 根据本发明第二实施例的用于无线分布系统的数据传输装置通过在利 用接收模块来接收数据, 然后通过确定模块来确定数据的优先级, 并利用传 模块根据优先级来对数据进行传输,使得能够首先传输具有高优先级的业务, 所以避免了相关技术中在带宽有限时, 重要业务的传输质量得不到保证, 影 响用户体验的技术问题, 达到为用户提供最佳的无线资源配置的技术效果。 优选地, 确定模块包括: 第一查询单元, 用于 居数据的类型查询预先 设置的优先级列表中得到数据的类型对应的优先级; 第一确定单元, 用于将 对应的优先级确定为数据的优先级。 优选地, 确定模块包括: 第二查询单元, 用于查询数据中携带的优先级 字段; 第二确定单元, 用于根据优先级字段确定数据的优先级。 如^ 1无线上网、 无线 IPTV点播 /组播业务、 Wi-Fi电话、 FTP下载等业 务数据按业务种类划分为不同的优先级,也可以才艮据数据中携带的例如 QOS 标记的优先级字段来确定数据的优先级。 优选地, 传输模块包括: 导入单元, 用于根据优先级将数据导入到不同 优先级的队列中; 传输单元, 用于按照队列的优先级依次对各个队列中的数 据进行传输。 可以启用例如时间轮片策略、优先级权重策略、 绝对优先级策略等高优 先级发送策略来将高优先级队列中的 4艮文优先发送到 WDS 接口, 然后经 WDS通道发送到目的网元。 优选地, 该装置还包括: 存储模块, 用于存储具有高优先级的队列中的 数据; 判断模块, 用于判断具有高优先级的队列中的数据是否传输失败; 重 传模块, 用于在判断模块判断传输失败时重传数据; 删除模块, 用于在判断 模块判断传输成功时删除存储的数据。 可以对高优先级队列中的数据进行重传, 对氏优先级队列的数据, 则不 进行緩存,也不进行重传。从而达到保证高优先级的数据的传输速度和质量, 改善用户体 -险的目的。 优选地, 该装置安置于无线接入点或无线中继器上。 在下行传输时, 该 装置可以安置于无线接入点上, 以对传输到无线中继器的数据按优先级进行 传输; 在上行传输时, 该装置可以安置于无线中继器上, 以对传输到无线接 入点的数据按优先级进行传输。 才艮据本发明第二实施例的用于无线分布系统的数据传输装置避免了相 关技术中在带宽有限时, 重要业务的传输质量得不到保证, 影响用户体验的 技术问题, 达到为用户提供最佳的无线资源配置的技术效果。 第三实施例 图 4 是根据本发明第三实施例的用于无线分布系统的数据传输方法的 流程图。 如图 4所示, 根据本发明第三实施例的用于无线分布系统的数据传 输方法包括: 步骤 S401: 无线接入点和无线接入中继器建立 WDS连接; 步骤 S402: 来自 Internet的业务数据流到达无线接入点; 步骤 S403 : 才艮据业务流的不同种类 (如, 不同的 QOS标记等), 将业 务流进行分类, 放入到不同的优先级队列; 步骤 S404: 启用高优先级发送策略 (如, 时间轮片策略、 优先级权重 策略、绝对优先级策略等), 将高优先级队列中的 4艮文优先发送到 WDS接口, 高优先级的报文暂时緩存起来; 步骤 S405 : 将 4艮文通过 WDS通道发送到 Repeater ,保证高优先级的 4艮 文优先通过 WDS通道; 步骤 S406: 对于发送的高优先级报文发送结束后, 检测发送是否成功; 步骤 S407: 如果高优先级队列的 4艮文发送失败, 就启用高优先级 4艮文 重传策略。 而对于低优先级队列的报文, 不进行緩存, 不启用重传策略等。 才艮据本发明第三实施例的用于无线分布系统的数据传输方法避免了相 关技术中在带宽有限时, 重要业务的传输质量得不到保证, 影响用户体验的 技术问题, 达到为用户提供最佳的无线资源配置的技术效果。 总之,才艮据本发明实施例的用于无线分布系统的数据传输方法和装置避 免了相关技术中在带宽有限时, 重要业务的传输质量得不到保证, 影响用户 体验的技术问题, 达到为用户提供最佳的无线资源配置的技术效果。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 或 者将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制 作成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软 件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的 ^"神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书 一种用于无线分布系统的数据传输方法, 其特征在于, 包括:
无线分布系统的无线接入点或无线中继器接收数据;
确定所述数据的优先级;
根据所述优先级对所述数据进行传输。 才艮据权利要求 1所述的方法, 其特征在于, 确定所述数据的优先级包括 以下至少一种:
才艮据所述数据的类型查询预先设置的优先级列表以确定所述数据 优先级;
根据所述数据中携带的优先级字段确定所述数据的优先级。 根据权利要求 1所述的方法, 其特征在于, 根据所述优先级对所述数据 进行传输包括:
所述无线接入点才艮据所述优先级将所述数据放入到不同优先级的 队列中;
按照所述队列的优先级依次将各个所述队列中的数据传输到所述 无线中继器。 根据权利要求 1所述的方法, 其特征在于, 根据所述优先级对所述数据 进行传输包括:
所述无线中继器根据所述优先级将所述数据导入到不同优先级的 队列中;
按照所述队列的优先级依次将各个所述队列中的数据传输到所述 无线接入点。 根据权利要求 3或 4所述的方法, 其特征在于, 所述方法还包括: 存储具有高优先级的所述队列中的数据;
判断具有高优先级的所述队列中的数据是否传输失败;
如果传输失败, 则重传存储的所述数据; 如果传输成功, 则删除存储的所述数据。
6. —种用于无线分布系统的数据传输装置, 其特征在于, 包括: 接收模块, 用于接收数据;
确定模块, 用于确定所述数据的优先级;
传输模块, 用于根据所述优先级对所述数据进行传输。
7. 根据权利要求 6所述的装置, 其特征在于, 所述确定模块包括:
第一查询单元,用于根据所述数据的类型查询预先设置的优先级列 表中得到所述数据的类型对应的优先级;
第一确定单元, 用于将所述对应的优先级确定为所述数据的优先 级。
8. 根据权利要求 6所述的装置, 其特征在于, 所述确定模块包括:
第二查询单元, 用于查询所述数据中携带的优先级字段; 第二确定单元, 用于 -据所述优先级字段确定所述数据的优先级。
9. 根据权利要求 6所述的装置, 其特征在于, 所述传输模块包括:
导入单元,用于才艮据所述优先级将所述数据导入到不同优先级的队 列中; 据进行传输。
10. 根据权利要求 9所述的装置, 其特征在于, 还包括:
存储模块, 用于存储具有高优先级的所述队列中的数据; 判断模块,用于判断具有高优先级的所述队列中的数据是否传输成 功;
重传模块, 用于在所述判断模块判断传输失败时重传数据; 删除模块,用于在所述判断模块判断传输成功时删除存储的所述数 据。
11. 根据权利要求 6所述的装置, 其特征在于, 所述装置安置于无线分布系 统的无线接入点或无线中继器上。
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