WO2014114104A1 - 无线报文发送装置及方法 - Google Patents

无线报文发送装置及方法 Download PDF

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Publication number
WO2014114104A1
WO2014114104A1 PCT/CN2013/083830 CN2013083830W WO2014114104A1 WO 2014114104 A1 WO2014114104 A1 WO 2014114104A1 CN 2013083830 W CN2013083830 W CN 2013083830W WO 2014114104 A1 WO2014114104 A1 WO 2014114104A1
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Prior art keywords
wireless
module
client
signal strength
wireless message
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PCT/CN2013/083830
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English (en)
French (fr)
Inventor
马涛
王羿
赵锦征
Original Assignee
中兴通讯股份有限公司
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.)
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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 US14/762,650 priority Critical patent/US9750040B2/en
Priority to EP13873083.3A priority patent/EP2940948A4/en
Publication of WO2014114104A1 publication Critical patent/WO2014114104A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • 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
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

Definitions

  • the present invention relates to the field of wireless local area network communication, and in particular, to a wireless message sending apparatus and method.
  • WLAN Wireless Local Area Networks
  • AP Access Point
  • WLAN Wireless Local Area Networks
  • PDAs personal digital assistants
  • WLAN access point may access dozens of Internet users at the same time. These users share limited network bandwidth resources and compete with each other, which leads to low Internet access rate and poor network experience.
  • 802.11 l ie standard The IEEE, Institute of Electrical and Electronics Engineers (IEEE), in order to improve the support for QoS (Quality of Service) in the Media Access Control (MAC) layer of the 802.11 standard, proposed IEEE. 802. l ie standard.
  • IEEE Institute of Electrical and Electronics Engineers
  • 802. l ie standard In the traditional 802.11 standard, all services adopt the same priority, and 802.11e enhances the QoS support of the 802.11 standard by setting priorities to ensure the quality of service of high-priority services.
  • 802.11e sets priorities, It is mainly set according to the service type.
  • the main technical problem to be solved by the embodiments of the present invention is to provide a wireless message sending apparatus and method, where the prior priority setting causes the wireless network resource allocation to be unreasonable, the wireless network service quality is poor, and the user experience satisfaction is low. problem.
  • an embodiment of the present invention provides a method for transmitting a wireless packet, where the method includes:
  • the acquiring the signal strength of the client includes:
  • the setting, according to the signal strength of the client, the priority queue to which the client belongs includes:
  • the wireless packet includes: an association request packet, a management packet, a control packet, and/or a data packet sent by the client.
  • the method further includes:
  • the sending the set of the wireless packet includes:
  • the adjusting the WMM parameter of the priority queue according to the background noise of the wireless network environment includes:
  • the embodiment of the present invention further provides a wireless message sending device, where the device includes: a signal strength acquiring module, a wireless station management module, and a wireless message sending module;
  • the signal strength acquiring module is configured to acquire a signal strength of the client
  • the wireless station management module is configured to set a priority queue to which the client belongs according to the signal strength of the client;
  • the wireless message sending module is configured to set a priority of a wireless message to be sent to the client according to the priority queue, and send the set wireless message.
  • the signal strength acquiring module includes: a wireless packet receiving submodule and a signal strength value acquiring submodule;
  • the wireless packet receiving sub-module is configured to receive the wireless packet sent by the client;
  • the signal strength value obtaining sub-module is configured to acquire the wireless packet according to the wireless packet receiving sub-module Describe the current signal strength value of the client;
  • the wireless station management module is configured to adjust, in real time, the priority queue to which the client belongs according to the current signal strength value of the client.
  • the wireless message sending device further includes a WMM parameter adjusting module, and the WMM parameter adjusting module is configured to adjust according to a background noise of the wireless network environment. WMM parameters of the priority queue;
  • the wireless packet sending module is configured to send the wireless packet according to the priority and the current WMM parameter of the priority queue.
  • the WMM parameter adjustment module includes: a background noise process trigger submodule, a background noise collection submodule, and a WMM parameter setting submodule;
  • the background noise process triggering sub-module is configured to generate a background noise process trigger signal;
  • the background noise collection sub-module is configured to collect background noise in a current wireless environment according to the background noise process trigger signal;
  • the WMM parameter setting submodule is configured to adjust a WMM parameter of the priority queue according to the background noise collected by the background noise collection submodule.
  • the wireless message sending apparatus and method provided by the embodiment of the present invention acquires the signal strength of the client, sets the priority queue to which the client belongs according to the signal strength of the client, and then sets the wireless report to be sent to the client according to the priority queue. Priority of the text, and then the set wireless message is sent out; that is, the embodiment of the present invention sets the priority of the wireless message sent to each client according to the current signal strength of the client, for example, may send
  • the radio packets of the far-distance and weak-signal STAs are placed in the low-priority service queue, and the radio packets sent to the STAs with strong signal strength and close proximity are placed in the high-priority service pair to ensure near
  • the data transmission of the STAs with the good signal and the weakened STAs affects the performance of the entire wireless network. It can be seen that the solution provided by the embodiment of the present invention can allocate wireless network resources more reasonably and improve the quality of the wireless network. , thereby improving the satisfaction of the user experience.
  • the solution provided by the embodiment of the present invention can also adjust the WMM parameters of each priority according to the background noise condition of the wireless network environment, further ensure the data transmission of the STAs with good proximity and good signals, and improve the service quality and user experience of the wireless network. Satisfaction. DRAWINGS
  • FIG. 1 is a schematic structural diagram of a structure of a wireless packet sending apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a signal strength acquiring module according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a wireless packet sending apparatus according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a WMM parameter adjustment module according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a wireless packet transmission process according to an embodiment of the present invention
  • FIG. 6 is a schematic flowchart of a WMM parameter of a priority queue according to an embodiment of the present invention.
  • the embodiment of the present invention configures the priority of each STA data packet according to the STA signal strength of the associated AP; and further fine-tunes the wireless multimedia (WMM, Wireless MultiMedia) parameters of each priority queue according to the background noise of the wireless environment. (including the minimum value of the competition window cwmin, the maximum value of the competition window cwmax, the arbitration inter frame space number, the transmission opportunity limit (txoplimit, transmission opportunity limit), etc.) STA data transmission, weakening the impact of long distance, weak signal STAs on the performance of the entire wireless network. Therefore, the purpose of improving the quality of the wireless network and the satisfaction of the user's online experience can be achieved.
  • the present invention will be further described in detail below with reference to the accompanying drawings.
  • the wireless message sending apparatus in this embodiment includes a signal strength obtaining module 11, a wireless station management module 12, and a wireless message sending module 13;
  • the signal strength obtaining module 11 is configured to acquire the signal strength of the client (that is, the STA), where the STA may refer to the STA associated with the AP; in this embodiment, the STA may obtain the wireless packet sent by the STA. The signal strength to the STA;
  • the wireless station management module 12 is configured to set a priority queue to which the STA belongs according to the signal strength of the STA;
  • the wireless packet sending module 13 is configured to set according to a priority queue to which the client belongs. The priority of the wireless packet to be sent to the client, and the set wireless packet is sent out.
  • the wireless message sending module 13 can specifically send an instruction to the wireless driving module (not shown), and send the message through the wireless driving module.
  • the priority of the wireless packet sent to each client is set according to the current signal strength of each client, and the wireless packet sent to the STA with a long distance and weak signal can be put into the low priority service queue.
  • the wireless message sent to the STA with strong signal strength and close distance is placed in the high priority service pair column to ensure the data transmission of the STA with short distance and good signal, and the STA pair with weak distance and weak signal is weakened. The impact of the overall wireless network performance; improve the quality of wireless network services, and thus improve the satisfaction of the user experience.
  • the setting of the priority queue of each STA in this embodiment may be real-time adjustment or non-real-time adjustment.
  • real-time adjustment is an example of real-time adjustment:
  • the signal strength obtaining module 11 in this embodiment includes a wireless message receiving sub-module 111 and a signal strength value obtaining sub-module 112; when the real-time adjustment priority queue is adopted: the wireless message receiving sub- The module 111 is configured to receive a wireless packet sent by the client, where the wireless packet may be any packet sent by the client, for example, a management packet, a control packet, or a data packet.
  • the signal strength value obtaining sub-module 112 is configured to obtain, according to the wireless packet received by the wireless packet receiving sub-module 111, the current signal strength value of the client that sends the packet, and send the obtained signal strength value to the The wireless station management module 12; the signal strength value obtaining sub-module 112 obtains the current signal strength of the STA by parsing the received various types of packets;
  • the wireless station management module 12 adjusts the priority queue to which the client currently belongs according to the current signal strength value of the client
  • the radio message receiving sub-module 111 receives the radio message sent by the STA
  • the signal strength value obtaining sub-module 112 is used when the priority message queue of the STA is adjusted in real time.
  • the signal strength value of the STA is re-acquired and sent to the wireless station management module 12, and the wireless station management module 12 updates the current signal strength value of the corresponding STA after receiving a signal strength value, and And further adjusting, according to the signal strength value, a priority queue to which the STA belongs;
  • the wireless station management module 12 is configured to: before the priority queue of each STA is set according to the signal strength value, configured to receive the signal strength acquiring module 11, specifically After the association request message message received by the wireless message receiving sub-module 111, the STA-related message is created, maintained, and counted, including the structure variable body of the STA, the STA-related status information, and the like.
  • the wireless station management module 12 may determine whether the STA priority queue changes according to the current signal strength value, and if so, adjust, otherwise, Do not adjust. This process will not be described in detail in this embodiment.
  • the wireless message sending apparatus in this embodiment further includes a WMM parameter adjusting module 14; the WMM parameter adjusting module 14 is configured to adjust WMM parameters of each priority queue according to background noise of the wireless network environment.
  • the wireless packet sending module 13 sends the wireless packet, the wireless packet is sent according to the current WMM parameter of the priority queue corresponding to the wireless packet, according to the set priority; Guarantee the data transmission of STAs with close proximity and good signal, and improve the satisfaction of wireless network service quality and user experience.
  • the WMM parameter adjustment module 14 in this embodiment includes: a background noise process trigger sub-module 141, a background noise collection sub-module 142, and a WMM parameter setting sub-module 143;
  • the background noise process triggering sub-module 141 is configured to generate a background noise process trigger signal, and is sent to the background noise collection sub-module 142.
  • the background noise flow triggering sub-module 141 in the real-time example may be a wireless timer module, and a background noise process.
  • the trigger signal can be an interrupt signal; for example, the wireless timer module can be set to generate an interrupt signal every second, that is, background noise Process trigger signal;
  • the background noise collection sub-module 142 is configured to collect background noise in the current wireless environment according to the background noise process trigger signal; the process is: the background noise collection sub-module 142 reads the background of the current wireless environment by reading the internal register of the wireless chip. Noise, and the collection result is sent to the WMM parameter setting sub-module 143;
  • the WMM parameter setting sub-module 143 is configured to adjust the WMM parameter of the corresponding priority queue according to the background noise collected by the background noise collection sub-module 142.
  • the signal strength obtaining module 11, the wireless station management module 12, the wireless message sending module 13, the wireless message receiving sub-module 111, and the signal strength value obtaining sub-module 112 can all be processed by a central processing unit (CPU, Central Processing). Units, or digital signal processing (DSP), or Field Programmable Gate Array (FPGA), etc.; the CPU, DSP, and FPGA can all be located on the network side.
  • CPU Central Processing
  • DSP digital signal processing
  • FPGA Field Programmable Gate Array
  • Step 501 Obtain the signal strength of the STA, and obtain the signal strength of each STA according to the radio packet sent by the STA. The specific acquisition manner is not described here.
  • Step 502 Set a priority queue to which the STA belongs according to the signal strength of the STA.
  • the specific setting manner has been described in detail above, and is not described herein again.
  • Step 503 Set a priority of a radio packet to be sent to the STA according to the priority queue.
  • Step 504 Send the set radio message.
  • Step 601 Determine whether the background noise process is triggered, that is, whether the wireless timer module is determined. An interrupt signal is generated; when the determination is yes, the wireless timer module generates an interrupt signal, clears it, re-clocks, and proceeds to step 602; otherwise, continues to judge;
  • Step 602 Collect background noise in the current wireless environment
  • Step 603 Adjust the WMM parameter of the corresponding priority queue according to the collected background noise.
  • the wireless packet when the wireless packet is sent, it may be specifically combined with the priority queue to which the STA belongs and the current WMM parameter of the priority queue, that is, the two processes shown in FIG. 5 and FIG.
  • the step sends a message to the corresponding STA, the underlying implementation can still follow IEEE802.11e.
  • the priority queue to which the client belongs is set according to the signal strength of the client; then, the priority of the wireless packet to be sent to the client is set according to the priority queue, and then the set wireless packet is sent. Going out to ensure the data transmission of the short-distance, well-signaled STAs, and weakening the impact of the far-distance, weak-signal STAs on the performance of the entire wireless network; therefore, the scheme provided by the embodiment of the present invention can allocate wireless network resources more reasonably. Improve the quality of wireless network services, and thus improve the satisfaction of the user experience.
  • the embodiment of the present invention can also adjust the WMM parameters of each priority according to the background noise condition of the wireless network environment, and can further ensure the data transmission of the short-distance and good-signal STAs, and improve the service quality of the wireless network and the satisfaction of the user experience.

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

Abstract

本发明公开了一种无线报文发送方法,获取客户端的信号强度,根据客户端的信号强度设置客户端所属的优先级队列;根据该优先级队列设置待发送给所述客户端的无线报文的优先级,进而将设置好的无线报文发送;同时,本发明还公开了一种无线报文发送方法。利用本发明,可将发送给距离远、信号弱的客户端(STA)的无线报文放入低优先级业务队列中,而将发送给信号强度强、距离近的STA的无线报文放入高优先级业务对别中,以保证近距离、信号好的STA的数据传输,削弱远距离、信号弱的STA对整个无线网络性能的影响;提高对无线网络资源合理分配、无线网络服务质量,进而提升用户体验的满意度。

Description

无线报文发送装置及方法 技术领域
本发明涉及无线局域网通信领域, 具体涉及一种无线报文发送装置及 方法。
背景技术
随着无线局域网技术的高速发展, 各大电信运营商部署的无线局域网
( WLAN, Wireless Local Area Networks )接入点 ( AP , Access Point )越 来越多的出现在机场、 医院、 学校、 图书馆、 社区等公共场所, 人们在工 作和生活中可以很方便的使用移动设备, 诸如手机、 个人数字助理(PDA, Personal Digital Assistant )、 笔记本电脑等接入上述 WIFI热点, 进行上网冲 浪。 然而在人流密集的公共场所, 一个 WLAN接入点可能同时接入数十个 上网用户, 这些用户共享有限的网络带宽资源, 相互竟争, 会带来上网速 率低下, 网络体验差的问题。
电气和电子工程师协会 ( IEEE, Institute of Electrical and Electronics Engineers )工作组为了提高 802.11标准中媒体接入控制( MAC, Media Access Control )层对服务质量( QoS, Quality of Service )的支持,提出了 IEEE 802. l ie 标准。 在传统的 802.11标准中, 所有的业务采用相同的优先级, 而 802.11e 通过设置优先级来增强 802.11标准对 QoS的支持, 以保证高优先级业务的 服务质量; 但是, 802.11e设置优先级时主要是根据业务类型设置的, 因此 当有高优先级业务需要执行时, 不管该业务发起的客户端 (也即 STA ) 的 信号强度如何, 都会优先执行该业务, 因此即使当发起该业务的 STA处于 距离远、 信号弱的无线环境, 而此时存在另一距离更近、 信号强度更好的 STA发起优先级较低的业务时, 也会先执行距离远、 信号弱的 STA发起的 业务, 这种处理机制势必会影响整个无线网络的资源利用, 降低无线网络 的服务质量, 进而降低用户体验的满意度。
发明内容
本发明实施例要解决的主要技术问题是, 提供一种无线报文发送装置 及方法, 现有优先级的设置导致无线网络资源分配不够合理、 无线网络服 务质量差、 用户体验的满意度低的问题。
为解决上述技术问题, 本发明实施例提供一种无线报文发送方法, 所 述方法包括:
获取客户端的信号强度, 根据所述客户端的信号强度设置所述客户端 所属的优先级队列;
根据所述优先级队列设置待发送给所述客户端的无线报文的优先级; 将设置好的所述无线报文发送。
上述方案中, 所述获取客户端的信号强度, 包括:
接收所述客户端发送的无线报文;
根据接收到的无线报文获取该客户端当前的信号强度值;
相应的, 所述根据所述客户端的信号强度设置所述客户端所属的优先 级队列, 包括:
根据所述客户端当前的信号强度值实时调整所述客户端当前所属的优 先级队列。
上述方案中, 所述无线报文包括: 客户端发送的关联请求报文、 管理 报文、 控制报文和 /或数据报文。
上述方案中, 所述方法还包括:
根据无线网络环境的背景噪声调整所述优先级队列的无线多媒体
WMM参数; 相应的, 所述将设置好的所述无线报文发送, 包括:
根据所述优先级和所述优先级队列当前的 WMM参数, 将所述无线报 文发送。
上述方案中, 所述根据无线网络环境的背景噪声调整所述优先级队列 的 WMM参数, 包括:
判断背景噪声流程是否触发, 判断为是时, 采集当前无线环境内的背 景噪声;
根据采集到的背景噪声调整所述优先级队列的 WMM参数。
为了解决上述技术问题, 本发明实施例还提供了一种无线报文发送装 置, 所述装置包括: 信号强度获取模块、 无线站点管理模块、 无线报文发 送模块; 其中,
所述信号强度获取模块, 配置为获取客户端的信号强度;
所述无线站点管理模块, 配置为根据所述客户端的信号强度设置所述 客户端所属的优先级队列;
所述无线报文发送模块, 配置为根据所述优先级队列设置待发送给所 述客户端的无线报文的优先级, 并将设置好的所述无线报文发送。
上述方案中, 所述信号强度获取模块包括: 无线报文接收子模块及信 号强度值获取子模块; 其中,
所述无线报文接收子模块, 配置为接收所述客户端发送的无线报文; 所述信号强度值获取子模块, 配置为根据所述无线报文接收子模块接 收到的无线报文获取所述客户端当前的信号强度值;
相应的, 所述无线站点管理模块, 配置为根据所述客户端当前的信号 强度值实时调整所述客户端当前所属的优先级队列。
上述方案中, 所述无线报文发送装置还包括 WMM参数调整模块; 所述 WMM参数调整模块, 配置为根据无线网络环境的背景噪声调整 所述优先级队列的 WMM参数;
相应的, 所述无线报文发送模块, 配置为根据所述优先级和所述优先 级队列当前的 WMM参数, 将所述无线报文发送出去。
上述方案中, 所述 WMM参数调整模块包括: 背景噪声流程触发子模 块、 背景噪声采集子模块以及 WMM参数设置子模块; 其中,
所述背景噪声流程触发子模块, 配置为产生背景噪声流程触发信号; 所述背景噪声采集子模块, 配置为根据所述背景噪声流程触发信号采 集当前无线环境内的背景噪声;
所述 WMM参数设置子模块, 配置为根据所述背景噪声采集子模块采 集到的背景噪声调整所述优先级队列的 WMM参数。
本发明实施例的有益效果是:
本发明实施例提供的无线报文发送装置及方法, 获取客户端的信号强 度, 根据客户端的信号强度设置客户端所属的优先级队列; 然后根据该优 先级队列设置待发送给所述客户端的无线报文的优先级, 进而将设置好的 无线报文发送出去; 也即, 本发明实施例是根据客户端当前的信号强度情 况设置发送给各客户端的无线报文的优先级, 例如, 可将发送给距离远、 信号弱的 STA的无线报文放入低优先级业务队列中, 而将发送给信号强度 强、 距离近的 STA的无线报文放入高优先级业务对列中, 以保证近距离、 信号好的 STA的数据传输, 削弱远距离、 信号弱的 STA对整个无线网络性 能的影响; 可见, 利用本发明实施例提供的方案可更合理的分配无线网络 资源, 提高无线网络服务质量, 进而提高用户体验的满意度。
较佳地, 本发明实施例提供的方案还可根据无线网络环境的背景噪声 情况调整各优先级的 WMM参数, 进一步保证近距离、 信号好的 STA的数 据传输, 提高无线网络服务质量和用户体验的满意度。 附图说明
图 1为本发明实施例的无线报文发送装置的组成结构示意图一; 图 2为本发明实施例的信号强度获取模块的组成结构示意图; 图 3为本发明实施例的无线报文发送装置的组成结构示意图二; 图 4为本发明实施例的 WMM参数调整模块的组成结构示意图; 图 5为本发明实施例的无线报文发送流程示意图;
图 6为本发明实施例的优先级队列的 WMM参数流程示意图。
具体实施方式
本发明实施例根据关联上 AP的 STA信号强度, 配置各 STA数据报文 的优先级; 还可进一步根据无线环境的背景噪声情况, 实时微调各优先级 队列的无线多媒体(WMM, Wireless MultiMedia )参数(包括竟争窗口最 小值 cwmin、竟争窗口最大值 cwmax、仲裁帧间间隔数 ( aifsn, arbitration inter frame space number )、传输机会限制 ( txoplimit, transmission opportunity limit ) 等), 保证近距离信号好的 STA的数据传输, 削弱远距离, 信号弱的 STA 对整个无线网络性能的影响。 从而实现提升无线网络质量和用户上网体验 满意度目的。 下面通过具体实施方式结合附图对本发明作进一步详细说明。
请参见图 1 所示, 本实施例中的无线报文发送装置, 包括信号强度获 取模块 11、 无线站点管理模块 12以及无线报文发送模块 13 ; 其中,
所述信号强度获取模块 11, 配置为获取客户端 (也即 STA ) 的信号强 度,此处的 STA可指与 AP关联上的 STA;本实施例中具体可通过获取 STA 发送的无线报文获取到该 STA的信号强度;
所述无线站点管理模块 12,配置为根据 STA的信号强度设置 STA所属 的优先级队列;
所述无线报文发送模块 13, 配置为根据客户端所属的优先级队列设置 待发送给该客户端的无线报文的优先级, 并将设置好的无线报文发送出去。 本实施例中无线报文发送模块 13具体可下发指令给无线驱动模块(图中未 示出), 通过无线驱动模块将报文发送出去。
可见, 本实施例根据各客户端当前的信号强度设置发送给所述各客户 端的无线报文的优先级, 可将发送给距离远、 信号弱的 STA的无线报文放 入低优先级业务队列中, 而将发送给信号强度强、 距离近的 STA的无线报 文放入高优先级业务对列中, 以保证近距离、 信号好的 STA的数据传输, 削弱远距离、 信号弱的 STA对整个无线网络性能的影响; 提高无线网络服 务质量, 进而提高用户体验的满意度。
值得注意的是, 本实施例中各 STA的优先级队列的设置可以是实时调 整的, 也可以是非实时调整的, 为了更好的理解, 下面以实时调整为例进 行说明:
请参见图 2所示, 本实施例中的信号强度获取模块 11包括无线报文接 收子模块 111和信号强度值获取子模块 112;当采用实时调整优先级队列时: 所述无线报文接收子模块 111, 配置为接收客户端发送的无线报文, 该 无线报文可以是客户端发送的任何报文, 例如可以是管理报文、 控制报文、 或数据报文等;
所述信号强度值获取子模块 112, 配置为根据无线报文接收子模块 111 接收到的无线报文获取发送该报文的客户端当前的信号强度值, 将得到的 信号强度值发送给所述无线站点管理模块 12; 所述信号强度值获取子模块 112具体通过解析接收到的各类报文获取到 STA当前的信号强度;
所述无线站点管理模块 12则根据客户端当前的信号强度值实时调整客 户端当前所属的优先级队列;
也即, 采用实时调整 STA的优先级队列时, 所述无线报文接收子模块 111每接收一个 STA发送的无线报文时, 所述信号强度值获取子模块 112 就会重新获取该 STA的信号强度值并发送给所述无线站点管理模块 12, 而 所述无线站点管理模块 12每接收到一个信号强度值后, 就更新对应的 STA 当前的信号强度值, 并进一步根据该信号强度值调整该 STA所属的优先级 队列;
值得注意的是, 本实施例中的所述无线站点管理模块 12配置为在根据 信号强度值设置各 STA的优先级队列之前, 还配置为在收到所述信号强度 获取模块 11、 具体是所述无线报文接收子模块 111接收到的关联请求报文 消息后, 创建、 维护并统计和处理与 STA相关的消息, 包括创建 STA的结 构变量体、 初始化 STA相关状态信息等。
本实施例所述无线站点管理模块 12在根据信号强度值调整 STA的优先 级队列时, 具体可根据当前的信号强度值判断该 STA优先级队列是否有变 化, 如有, 则调整, 否则, 则不调整。 该过程在本实施例中不再赘述。
请参见图 3所示, 本实施例中的无线报文发送装置还包括 WMM参数 调整模块 14; 所述 WMM参数调整模块 14, 配置为根据无线网络环境的 背景噪声调整各优先级队列的 WMM参数;在所述无线报文发送模块 13发 送无线报文时, 除了根据设置的优先级外, 还根据该无线报文对应的优先 级队列当前的 WMM参数, 将该无线报文发送出去; 可进一步保证近距离、 信号好的 STA的数据传输, 提高无线网络服务质量和用户体验的满意度。
请参见图 4所示, 本实施例中的所述 WMM参数调整模块 14包括: 背 景噪声流程触发子模块 141、 背景噪声采集子模块 142 以及 WMM参数设 置子模块 143 ;
背景噪声流程触发子模块 141, 配置为产生背景噪声流程触发信号, 并 发送给背景噪声采集子模块 142; 本实时例中的背景噪声流程触发子模块 141具体可为无线定时器模块, 背景噪声流程触发信号可以是中断信号; 例 如, 可以设置无线定时器模块每隔一秒产生一个中断信号, 也即背景噪声 流程触发信号;
背景噪声采集子模块 142,配置为根据所述背景噪声流程触发信号采集 当前无线环境内的背景噪声; 该过程为背景噪声采集子模块 142通过读取 无线芯片内部寄存器, 采集当前无线环境内的背景噪声, 并将采集结果发 送给 WMM参数设置子模块 143;
WMM参数设置子模块 143,配置为根据背景噪声采集子模块 142采集 到的背景噪声调整相应优先级队列的 WMM参数。
值得注意的是, 本实施例中的背景噪声采集子模块 142和 WMM参数 设置子模块 143的上述功能都可直接通过现有的无线驱动模块实现。
实际应用中, 所述信号强度获取模块 11、 无线站点管理模块 12、 无线 报文发送模块 13、 无线报文接收子模块 111、 信号强度值获取子模块 112 均可由中央处理单元( CPU, Central Processing Unit )、或数字信号处理( DSP, Digital Signal Processor ),或现场可编程门阵列( FPGA, Field Programmable Gate Array )等来实现; 所述 CPU、 DSP 、 FPGA均可位于网络侧。
为了更好的理解本发明, 下面结合具体的方法流程为例进行说明, 请 参见图 5所示:
步骤 501 : 获取 STA的信号强度, 具体根据 STA发送的无线报文获取 各 STA的信号强度, 具体的获取方式此处不再赘述;
步骤 502: 根据所 STA的信号强度设置 STA所属的优先级队列, 具体 的设置方式上述已经进行了详细的阐述, 在此也不再赘述;
步骤 503 : 根据所述优先级队列设置待发送给该 STA的无线报文的优 先级;
步骤 504: 将设置好的所述无线报文发送出去。
请参见图 6所示,本实施例中调整优先级队列的 WMM参数过程如下: 步骤 601 : 判断背景噪声流程是否触发, 也即判断无线定时器模块是否 产生了中断信号; 判断为是时, 无线定时器模块产生中断信号后, 清零, 重新计时, 转至步骤 602; 否则, 继续判断;
步骤 602: 采集当前无线环境内的背景噪声;
步骤 603: 根据采集到的背景噪声调整相应优先级队列的 WMM参数。 本实施例中, 发送无线报文时, 具体可结合 STA当前所属的优先级队 列以及该优先级队列当前的 WMM参数发送, 也即结合图 5和图 6所示的 两个流程, 上层通过上述步骤发送报文给相应的 STA时, 底层实现仍可遵 循 IEEE802.11e。
可见, 本发明实施例根据客户端的信号强度设置客户端所属的优先级 队列; 然后根据该优先级队列设置待发送给所述客户端的无线报文的优先 级, 进而将设置好的无线报文发送出去, 以保证近距离、 信号好的 STA的 数据传输, 削弱远距离、信号弱的 STA对整个无线网络性能的影响; 因此, 利用本发明实施例提供的方案可更合理的分配无线网络资源, 提高无线网 络服务质量, 进而提高用户体验的满意度。
同时, 本发明实施例还可根据无线网络环境的背景噪声情况调整各优 先级的 WMM参数, 可进一步保证近距离、 信号好的 STA的数据传输, 提 高无线网络服务质量和用户体验的满意度。
以上内容是结合具体的实施方式对本发明所作的进一步详细说明, 不 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的 普通技术人员来说, 在不脱离本发明构思的前提下, 还可以做出若干简单 推演或替换, 都应当视为属于本发明的保护范围。

Claims

权利要求书
1、 一种无线报文发送方法, 所述方法包括:
获取客户端的信号强度, 根据所述客户端的信号强度设置所述客户端 所属的优先级队列;
根据所述优先级队列设置待发送给所述客户端的无线报文的优先级; 将设置好的所述无线报文发送。
2、 根据权利要求 1所述的无线报文发送方法, 其中, 所述获取客户端 的信号强度, 包括:
接收所述客户端发送的无线报文;
根据接收到的无线报文获取该客户端当前的信号强度值;
相应的, 所述根据所述客户端的信号强度设置所述客户端所属的优先 级队列, 包括:
根据所述客户端当前的信号强度值实时调整所述客户端当前所属的优 先级队列。
3、 根据权利要求 2所述的无线报文发送方法, 其中, 所述无线报文包 括: 客户端发送的关联请求报文、 管理报文、 控制报文和 /或数据报文。
4、 根据权利要求 1至 3任一项所述的无线报文发送方法, 其中, 所述 方法还包括:
根据无线网络环境的背景噪声调整所述优先级队列的无线多媒体 WMM参数;
相应的, 所述将设置好的所述无线报文发送, 包括:
根据所述优先级和所述优先级队列当前的 WMM参数, 将所述无线报 文发送。
5、 根据权利要求 4所述的无线报文发送方法, 其中, 所述根据无线网 络环境的背景噪声调整所述优先级队列的 WMM参数, 包括: 判断背景噪声流程是否触发, 判断为是时, 采集当前无线环境内的背 景噪声;
根据采集到的背景噪声调整所述优先级队列的 WMM参数。
6、 一种无线报文发送装置, 所述装置包括: 信号强度获取模块、 无线 站点管理模块、 无线报文发送模块; 其中,
所述信号强度获取模块, 配置为获取客户端的信号强度;
所述无线站点管理模块, 配置为根据所述客户端的信号强度设置所述 客户端所属的优先级队列;
所述无线报文发送模块, 配置为根据所述优先级队列设置待发送给所 述客户端的无线报文的优先级, 并将设置好的所述无线报文发送。
7、 根据权利要求 6所述的无线报文发送装置, 其中, 所述信号强度获 取模块包括: 无线报文接收子模块及信号强度值获取子模块; 其中,
所述无线报文接收子模块, 配置为接收所述客户端发送的无线报文; 所述信号强度值获取子模块, 配置为根据所述无线报文接收子模块接 收到的无线报文获取所述客户端当前的信号强度值;
相应的, 所述无线站点管理模块, 配置为根据所述客户端当前的信号 强度值实时调整所述客户端当前所属的优先级队列。
8、 根据权利要求 6或 7所述的无线报文发送装置, 其中, 所述无线报 文发送装置还包括 WMM参数调整模块;
所述 WMM参数调整模块, 配置为根据无线网络环境的背景噪声调整 所述优先级队列的 WMM参数;
相应的, 所述无线报文发送模块, 配置为根据所述优先级和所述优先 级队列当前的 WMM参数, 将所述无线报文发送。
9、 根据权利要求 8所述的无线报文发送装置, 其中, 所述 WMM参数 调整模块包括: 背景噪声流程触发子模块、背景噪声采集子模块以及 WMM 参数设置子模块; 其中,
所述背景噪声流程触发子模块, 配置为产生背景噪声流程触发信号; 所述背景噪声采集子模块, 配置为根据所述背景噪声流程触发信号采 集当前无线环境内的背景噪声;
所述 WMM参数设置子模块, 配置为根据所述背景噪声采集子模块采 集到的背景噪声调整所述优先级队列的 WMM参数。
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