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Band width distribution method and device for wireless communication network

A bandwidth allocation method and bandwidth technology, which are applied in the directions of data exchange through path configuration, selection of devices, and communication between multiple stations, etc. Unreasonable distribution, etc.

Inactive Publication Date: 2008-04-02
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the prior art, according to the above-mentioned different bandwidth request methods, the allocated bandwidth of services at all levels is polled in order from high-priority services to low-priority services, and the sudden peak situation of different data services is not considered, resulting in unreasonable bandwidth allocation. The bandwidth utilization rate is low, and the transmission quality requirements of burst services cannot be met

Method used

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  • Band width distribution method and device for wireless communication network
  • Band width distribution method and device for wireless communication network
  • Band width distribution method and device for wireless communication network

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specific Embodiment approach 1

[0026] Taking the broadband wireless access metropolitan area network as an example, the present invention is specifically aimed at allocating bandwidth based on the connection mode in the PMP mode of the IEEE 802.16 protocol, but the scheme of the present invention is not limited thereto.

[0027] According to the IEEE 802.16 protocol, broadband wireless access to the metropolitan area network mainly involves four services: UGS, rtPS, nrtPS, and BE. In this embodiment, UGS is set as the 0th level, i.e. i=0; rtPS is the 1st level. That is, i=1; nrtPS is the second level, that is, i=2; BE is the third level, that is, the priority order of i=3, among which, the 0th level is the highest priority, the 1st level, the 2nd level, the 1st level The priority of level 3 decreases in order. The bandwidth requests of each queue are processed sequentially from high priority to low priority. Businesses with different priorities require different levels of quality of service (QoS) performan...

specific Embodiment approach 2

[0069] In order to realize the network bandwidth allocation method of the present invention, a communication network bandwidth allocation device is provided. With reference to FIG. The dispensing unit also contains:

[0070] The connection establishment queue module is used to save the established connection information of services at all levels;

[0071] A statistics module, used to count the bandwidth request queue token values ​​of services at all levels according to the established connection information of services at all levels stored in the connection establishment queue module;

[0072] A business flow judging module, configured to judge whether a certain class of business is at a traffic peak according to the bandwidth request queue token value of the business at all levels and the actual requested bandwidth reservation total amount in the bandwidth request queue;

[0073] The redistribution module is used to redistribute the token value of each service bandwidth req...

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Abstract

The invention provides a bandwidth distribution method of communication network. A token value of bandwidth request queue of each priority operation is counted. The operation of certain grade is judged whether the operation is at flux peak or not, based on the obligated sum of bandwidth of actual request and the token value of bandwidth request queue of the bandwidth request queue, if the operation is at the flux peak, the token value of bandwidth request queue of each grade operation is redistributed; and then according to the order from high priority operation to low priority operation, the bandwidth request of each grade operation is treated in turn. The invention also provides a device of the said method. The said method and device can dynamically adjust the bandwidth source distribution directly towards the flux of operation of each grade, and reduce the transmission time-delay of the whole network system, at the same time increase the communication quality of the communication operation, with little effect on the justice of the bandwidth source distribution.

Description

technical field [0001] The invention relates to wireless communication technology, in particular to a method and device for bandwidth allocation of a wireless communication network. Background technique [0002] MAN (Metropolitan Area Network) refers to a network between the WAN and the LAN, which realizes information transmission and exchange within the urban and suburban areas at a higher rate than the LAN. The broadband metropolitan area network is based on IP and ATM telecommunication technology, and completes various bandwidth service accesses. It is a continuously developing and open multimedia communication network. Broadband metropolitan area network wireless access technology refers to the provision of telephone, data, Internet, video on demand, broadcast video and video conferencing, etc. Technologies for broadband multimedia services. [0003] The media access control layer (MAC, Medium Access Control) of BWA-MAN supports two network modes: point-to-multipoint m...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04Q7/36H04B7/26
Inventor 邓钦元范平志魏岳军
Owner HUAWEI TECH CO LTD
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