CN100484100C - Distributing method for VOIP service band width - Google Patents

Distributing method for VOIP service band width Download PDF

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CN100484100C
CN100484100C CN 200610061684 CN200610061684A CN100484100C CN 100484100 C CN100484100 C CN 100484100C CN 200610061684 CN200610061684 CN 200610061684 CN 200610061684 A CN200610061684 A CN 200610061684A CN 100484100 C CN100484100 C CN 100484100C
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load
bandwidth
step
voip
voip service
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CN1901505A (en
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江 于
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华为技术有限公司
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Abstract

本发明涉及一种VOIP业务带宽的分配方法,其中,包括:根据RAB指配的VOIP业务的最大速率和保证速率设置传输信道带宽等级,通过检测传输信道负载资源情况动态调整VOIP业务带宽的等级,则当小区资源正常时分配大的带宽,保证高的语音质量;当小区资源拥塞时根据保证速率分配带宽,以减轻小区拥塞状况,由此,保证用户其它业务具有较好QoS同时,又可提高传输信道带宽的利用率。 The present invention relates to a VOIP service bandwidth allocation method, comprising: setting a transmission channel bandwidth class according to the maximum rate and the guaranteed rate RAB assignment VOIP services dynamically adjusts the VOIP service bandwidth level by detecting a transmission channel load resources, when the cell resource allocation normal large bandwidths, to ensure high voice quality; resource congestion when cell allocates bandwidth according to a guaranteed rate, cell congestion situation in order to reduce, thereby, ensure the user has a better QoS while other services, but also improve transmission channel bandwidth utilization.

Description

一种VOIP业务带寬的分配方法 One kind of VOIP service bandwidth allocation method

技术领械 Mechanical Technology collar

本发明涉线倌技术,尤其涉城信领域中的带宽管理技术. 脅肇技术 The present invention relates to groom line art, especially the city believed related art bandwidth management field. Threat Hajime art

传统的电话两是以电路交換方式传输语音,所要求的传榆宽带为64kbit/s. 且由于电话业务历来都是各國管制最为严格的业务,而各国国际长途电话费存在着严重的不平衡性,闺际长途电话业务在4艮多国家都是垄断经营的,所以, 随4!r因特网Intemct的jSA,在Internet上实现语音通话成为一种趋势. The traditional circuit-switched telephone are two ways to transmit voice, broadband transmission elm required to 64kbit / s. And because telephone service has always been the most stringent national control of business, national international calls there is a serious imbalance , the international long-distance telephone services Gui Gen 4 in many countries are monopolies, so with 4! r Internet Intemct of jSA, voice calls over the Internet has become a trend.

起初,利用软件实现Internet上的语音业务,用户只需在PC机上安^户端软件,并配合:ljt风、声卡、音响等设备,就可以在IP网上与同样安装这些软硬件的用户通话.由于当时只限于在Internet上使用,因此通常称为"Intemet 电话",即IP (InternetProtocol)电话. At first, the use of software to realize the voice service on the Internet, users simply install on a PC client software ^, and with: ljt wind, sound cards, audio and other equipment, will be in the same IP network users to install these software and hardware call. at that time, only limited use of the Internet, it is often referred to as "Intemet phone", that IP (InternetProtocol) phone.

随着技术的4L艮,实现Internet和已有的公共电话交换网(PSTN, Public Switched Telephone Netwoik)结合,使得IP电话从当初的PC到PC 4tH到PC 到PC、 PC到电话、电话到电话等多种业务形式,以及向IP传输多^^体业务过渡.但不论怎样,IP电话承栽网络是Internet ,或是遵循TCP/IP协议的专用网或Internet. With the 4L Gen technology, the Internet and implement existing public switched telephone network (PSTN, Public Switched Telephone Netwoik), renders the original IP telephony from PC to PC 4tH to PC-to-PC, PC-to-phone, phone to phone, etc. a variety of business forms, and to transmit multiple IP ^^ body business transition. but no matter what, IP telephony bearing plant network is Internet, or follow private network or Internet TCP / IP protocol.

如在UMTS (Universal Mobile Telecommunications System ,通用移动通信系统)中,UMTS ;^用WCDMA (WTideband Code Division Multiple Access, 宽带码分多址接入)空中接口技术的笫三代移动通信系统. As in UMTS (Universal Mobile Telecommunications System, Universal Mobile Telecommunications System) and, UMTS; ^ with WCDMA (WTideband Code Division Multiple Access, Wideband Code Division Multiple Access) air interface technology Zi generation mobile communication system.

如困1所示,UMTS系统包括RAN (Radio Access Network,无线接入网) 和CN (CoreNetwork,核心网).其中RAN用于处理所有与无线有关的功能, 而CN处理UMTS系统内所有的话音呼叫和数据连接,并实现与外部网络的交换和路由功能.CN从逻辑上分为CS (Circuit Switched Domain,电路交换域)和PS (Packet Switched Domain,分组交换城),CS —般包括MSC (Mobile Switching Center,移动交换中心)/VLR (Visitor Location Register,拜访位置寄 As shown trapped 1, the UMTS system includes a RAN (Radio Access Network, radio access network) and a CN (CoreNetwork, core network). Where the RAN for processing all radio-related functionality, while the CN handles all voice UMTS system calls and data connections, and with an external network switching and routing capabilities into .CN CS (circuit Switched domain, the circuit switched domain) logically and PS (packet Switched domain, packet switched city), CS - generally comprises a MSC ( mobile switching Center, mobile switching Center) / VLR (Visitor location register, visited location register

存器)、GMSC (Gateway Mobae Switching Center,网关移动业务交换中心)、 gsmSSF, PS—般包括SGSN (Serving GPRS Support Node,服务GPRS支持节点)、GGSN (Gateway GPRS Support Node,网关GPRS支持节点);CS主要处理有关的电话、语音等语音业务,PS則处理有关的分组数据业务.UTRAN (UMTS Territorial Radio Access Network UMTS,陆地无线接入网)、CN与UE (UserEquipment,用户终端)^构成了整个UMTS系统,UMTS系统连接外部网络,例如:PSTN和互联网. Register), GMSC (Gateway Mobae Switching Center, Gateway Mobile Switching Center), gsmSSF, PS- generally includes SGSN (Serving GPRS Support Node, Serving GPRS Support Node), GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node); the main process related to CS calls, voice and other voice services, PS processing relating to the packet data service .UTRAN (UMTS Territorial radio Access network UMTS, terrestrial radio Access network), CN and UE (UserEquipment, user terminal) constitutes the entire ^ UMTS system, the UMTS system connected to an external network, such as: PSTN and the Internet.

上迷的陆地无线接入网UTRAN,其网络结构框困如困2所示,包含至少一个RNS (Radio Network Subsystem,无线网络子系统), 一个RNS由一个RNC (Radio Netwwk Cortroller ,无线网络控制器)和至少一个NodeB (基站)组成,NodeB可覆蓋至少一个小区CELL. Fan on the UTRAN terrestrial radio access network, such as network structure trapped trapped housing 2, comprising at least one RNS (Radio Network Subsystem, the Radio Network Subsystem), a RNS consists of a RNC (Radio Netwwk Cortroller, a radio network controller ) and at least one NodeB (base station) composition, NodeB may cover at least a cell cELL.

目前,UTRAN使用Iu系列接口,包括Iu, Iur和Iub接口. RNC与CN之间的接口是Iu接口, NodeB和RNC通过Iub接口连接,NodeB 与其小区CELL中的用户终端UE通过Uu接口通信.核心网CN的电路交换域CS的Iu接口部分称为Iu一CS,分组交换域PS的Iu接口部分称为Iu—PS.在UTRAN内部,RNC之间通过Iur互联,Iur可以通过RNC之间的直接物理连接或通过传输网连接,RNC用来分配和控制与之相连或相关的NodeB的无线资源. NodeB则完成I油接口和Uu接口之间的数据流的转换,同时也参与一部分无线资源管理,其中: Currently, the use of the UTRAN Iu serial interface, comprises an interface between Iu, the Iur and Iub interfaces. RNC and the CN is an Iu interface, the NodeB and the RNC through the Iub interface, the NodeB its cell CELL user terminal UE via the Uu interface communication core network CN circuit switched domain CS Iu interface portion is referred to as an Iu CS, packet switched PS domain Iu interface portion is referred to as Iu-PS. inside UTRAN, the interconnection between the RNC over the Iur, Iur can be directly between the RNC through physical connection or transmission network, and the RNC for allocating a radio resource control connected thereto or related to the NodeB. NodeB converts the I data flow between the oil and the Uu interface interfaces is completed, and also take part in the radio resource management, among them:

NwkB是WCDMA系统的基站(即无线收发信机),包括无线收发信机和基带处理部件.通过标准的Iub接口和RNC互连,主要完成Uu接口物理层协议的处理,主要功能是扩频、调制、信道编码及解扩、解调、信道解码,还包括基带信号和#«信号的相互转換等功能. NwkB WCDMA system is a base station (i.e., wireless transceiver) including a wireless transceiver and a baseband processing section through a standard Iub interface and the RNC are interconnected, the main processing is completed Uu interface physical layer protocol, the main function is spread, modulation, channel coding and despreading, demodulation, channel decoding, further comprising a mutual conversion baseband signal and a # «signal function.

RNC是无线两^制器,用于控制UTRAN的无线资源,主要完成连接建立和断开、切換、宏分集合并、无线资源管理控制等功能.Iu接口又分为Iu控制平面和Iu用户平面,Iu控制平面传送信令,Iu用户平面传送用户教:据.Iu接口的传输采用ATM, Iu在用户平面采用ATM的AAL2 (ATM Adiqjtsrtion Layer type 2,异步传输棋式适配层2)适配协议承栽用户面数据,业务主麥使用ATM的PVC (Permanent Virtual Circuit,永久虛拟电路)作为承栽. ^ RNC is a radio system is two, for controlling the radio resources of UTRAN, to complete the main connection setup and disconnection, switching, macro diversity combination, and radio resource management control functions .Iu Iu interfaces are divided into control plane and user plane Iu, Iu control plane signaling transmission, Iu user plane transport teach users: .Iu data transmission using ATM interface, the Iu using ATM AAL2 (ATM Adiqjtsrtion layer type 2, asynchronous transfer chess formula adaptation layer 2) protocols in the user plane adaptation plant bearing the user plane data, the main business of wheat using ATM PVC (permanent virtual circuit, permanent virtual circuits) as bearing plant.

在RNC和NodeB之间的M>接口, 一般使用多个AAL2 PVC承栽UE的数据,这些数振包括UE的CS语音、PS数据. Between the RNC and the NodeB M> interface, usually using a plurality of data bearing plant UE AAL2 PVC, which comprises a number of vibration CS voice of the UE, PS data.

通过Intemet进^^音通信是一个非常复杂的系统工程,所涉及的技术^ 多,其中最#^的技术是^11语音(VoIP, Voice over IP)技术. Intemet voice communication through the intake ^^ is a very complicated system, multiple technologies involved ^, where # is the most technically ^ 11 ^ voice (VoIP, Voice over IP) technology.

VoIP是以IP分組交換网络为传输平台,透过IP网络传输的语音讯号或影像讯号的技术.它藉由一连串的转码、编码、压缩、打包等程序,以便语音数据可以在IP网络上传输到目的端,然后再经由相反的程序,还原成原来的语音讯号以##听者接收.VOIP ;Ut立在IP技术上的分组化、数字化传输技术, 其基本原理是:通过语音压鲔算法对语音数据进行压缩编码处理,然后把这些语音数振按IP等相关协议进行打包,经过IP网^tlfc据包传输到接收地,再把这些语音数据包串起来,经过解码解压处理后,恢复成原来的语音信号,从而达到由IP网M送语音的目的.IP电话系统把普通电话的模拟信号转换成计算机可J^因特网传送的IP数振包,同时也将收到的IP数据包转换成声音的模拟电信号.经过IP电话系统的转換及压缩处理,每个普通电话传输速率约占用8-11Kbit/s带宽,因此在与普 VoIP packet-switched network based on IP transport platform, voice signals or video signals through the IP network transmission technology. With its series of transcoding, encoding, compression, packing and other procedures so that the voice data may be transmitted over an IP network to the destination, and then through the reverse procedure, restore the original voice signal to the listener ## receives .VOIP; Ut stand in IP packet technology, digital transmission technology, the basic principle is: by a voice compression algorithm tuna voice data compression coding process, then the voice vibration to package numbers related by IP protocol through the IP network ^ tlfc packets transmitted to the receiver ground, then the voice packet string together, after decompression decoding processing, recovery, to the original speech signal, the speech network so as to achieve the object M .IP send IP telephone system to convert the analog signal into an ordinary telephone Internet computer-J ^ vibration transmitted IP packet number, will also convert received IP data packet analog electrical signal into sound. after converting the IP telephone system and the compression process, each ordinary telephone transmission rate by about 8-11Kbit / s bandwidth, with P 电信网同样使用传榆速率为64kbit/s的带宽时,IP 电话48ULf、来的5-8倍. When the telecommunication network using the same transmission bandwidth rate elm 64kbit / s in, IP phone 48ULf, to 5-8 times.

目前在宽带码分多址(WCDMA, Wideband Code Division Multiple Access) 系统中,语音采用自适应多速率(AMR, Adaptive Multi-Rate)压缩编码,然后转換为IP数振包在IP网络上进行传输.AMR编码是一种自适应的编码方法, 可以产生8种不同的棋式,每一种棋式对应于一种速率:12.2、 10.2、 7.95、 7.4、 6.7、 5.9、 5.15和4.75 kbil/s.在块误码率(BLER, Block error rate)小于等于1 %的^下,模式越高,提供的语音质量越高,但是占用的传输信道带宽资源(包括负载资源和Iub资源)也越多。 Currently in wideband code division multiple (WCDMA, Wideband Code Division Multiple Access) system, the voice adaptive multi-rate (AMR, Adaptive Multi-Rate) compression encoding, then the number of vibration into IP packets for transmission over an IP network .AMR adaptive coding is a coding method can produce eight different type of chess, each corresponding to one of formula chess rate: 12.2, 10.2, 7.95, 7.4, 6.7, 5.9, 5.15, and 4.75 kbil / s at block error rate (BLER, block error rate) ^ 1% or less of the higher mode, the higher the speech quality provided, but also take up more transmission channel bandwidth resources (including resource load and Iub resource) .

在进行无线接入承载(RAB, Radio Access Bearer)建立时,首先由CN向UTRAN发送RAB指配请求消息,请求UTRAN建立RAB ,核心网CN会指配相应的服务质量(QoS, Quality of Service )参数,无线网络控制器(RNC, Radio Network Controller)根据不同模式的QoS,为VOIP业务分配相应的带宽资源。 During Radio Access Bearer (RAB, Radio Access Bearer) establishment, first sends RAB assignment request message, UTRAN RAB establishment request to the UTRAN by the CN, the core network CN will assign the appropriate quality of service (QoS, Quality of Service) parameter, the radio network controller (RNC, radio network controller) according to different modes of QoS, VOIP traffic distribution corresponding bandwidth resource. 目前,RNC—般不考虑传输信道资源,根据RAB指配的最大速率模式分配带宽资源,如当RAB指配的最大速率为12.2K,保证速率为10.2K时,RNC根据最大速率12.2K,分配12.2K的传输信道带宽用于语音通信。 At present, irrespective RNC-like transmission channel resources, allocating bandwidth resources according to the maximum rate of RAB assignment mode, such as when the maximum rate is 12.2k RAB assignment, guaranteed rate is 10.2K, RNC according to the maximum rate of 12.2k, distribution 12.2K bandwidth of the transmission channel for voice communication. 目前这种传输信道资源分配方法,当小区资源充足时,根据最大速率分配带宽可以提供更好的语音质量,但是当小区资源拥塞时,根据最大速率分配带宽用于语音通信时, 有可能会加重小区的拥塞,容易造成用户的部分业务受损,影响QoS。 This current transmission channel resource allocation method, a cell when sufficient resources, the maximum rate allocated bandwidth may provide better voice quality, but when the cell resource congestion, the maximum rate according to the bandwidth allocation for voice communication, there may aggravate congested cell, likely to cause damage to the user's part of the business, affecting QoS. 同时, 当语音数据需要的实际带宽较少时,就会大大浪费带宽资源。 Meanwhile, when there is less actual bandwidth needs of voice and data, will greatly waste of bandwidth resources.

发明内容 SUMMARY

有鉴于此,本发明提供一种VOIP业务带宽的分配方法,保证用户其它业务具有较好QoS同时,又可提高传输信道带宽的利用率。 Accordingly, the present invention provides a bandwidth allocation method VOIP services, other services to ensure that users at the same time having a better QoS, but also improve the transmission channel bandwidth utilization. 一种VOIP业务带宽的分配方法,其中,包括: One kind of VOIP service bandwidth allocation method, comprising:

步骤A,根据RAB指配的VOIP业务的最大速率和保证速率设置传输信道带宽等级; Step A, provided levels depending on transmission channel bandwidth and the maximum rate guaranteed rate assigned RAB VOIP service;

步骤B,检测传输信道负载情况; Step B, and detecting the transmission channel load conditions;

步骤C,根据检测到的传输信道负载调整VOIP业务带宽的等级,当所述传输信道负载超过预设的门限,逐级或跳级降低所述VOIP业务带宽的等级;和/ 或,当所述传输信道负载低于预设的门限,则升逐级或跳级高所述VOIP业务带宽的等级。 Step C, and according to the detected transmission channel loading level adjustment VOIP service bandwidth when the transmission channel load exceeds a preset threshold, progressively reducing or skip the VOIP bandwidth service level; and / or, when the transmission channel load is less than a predetermined threshold, the high-rise stepwise or skip the VOIP bandwidth service level.

与现有技术相比,本发明的VOIP业务带宽的分配方法,由于预先根据RAB 指配的VOIP业务的最大速率和保证速率设置传输信道带宽等级,则通过监测传输信道负载资源情况可以动态调整VOIP业务带宽的等级,则当小区资源正常时分配大的带宽,保证高的语音质量;当小区资源拥塞时根据保证速率分配带宽, 以减轻小区拥塞状况,由此,保证用户其它业务具有较好QoS同时,又可提高传输信道带宽的利用率。 Compared with the prior art, VOIP service bandwidth allocation method according to the present invention, since the pre-set transmission channel bandwidth class according to the maximum rate and the guaranteed rate RAB assignment VOIP service, the monitoring transmission over channel load resources can be dynamically adjusted VOIP level of service bandwidth, when a large bandwidth normally allocated cell resources, ensure high voice quality; resource congestion when cell allocates bandwidth according to a guaranteed rate, cell congestion situation in order to reduce, thereby, better to ensure that users of other services with QoS At the same time, but also to improve the transmission channel bandwidth utilization.

附图说明 BRIEF DESCRIPTION

图1为现有技术之UMTS系统的网络结构框图。 Figure 1 is a block diagram of a prior art network of a UMTS system. 图2为现有技术之UTRAN的网络结构框图。 FIG 2 is a block diagram of a prior art UTRAN network. 图3为本发明之较佳实施方式之方法流程框图。 FIG 3 shows a preferred embodiment of the invention a method flow diagram embodiment.

具体实施方式 Detailed ways

为使本发明的目的、技术方案和优点更加清楚明白,以下结合具体实施方式及附图,对本发明作进一步详细的说明。 To make the objectives, technical solutions, and advantages of the present invention will become more apparent hereinafter with reference to specific embodiments and the drawings, the present invention will be further described in detail.

本发明一种VOIP业务带宽的分配方法,主要是根据VOIP业务的QOS和小区资源状况动态地分配带宽,当小区资源正常(如负载、Iub资源均不拥塞) 时分配大的带宽,保证高的语音质量;当小区资源拥塞(如负载或Iub资源拥塞) 时根据保证速率分配带宽,以减轻小区拥塞状况。 One kind of VOIP service bandwidth allocation method of the present invention, primarily allocate bandwidth dynamically according to QOS and cell resource status of the VOIP services, large bandwidth allocated resources when a normal cell (such as load, not the Iub resource congestion), ensure a high voice quality; when the cell resource congestion (e.g., Iub resource congestion or load) allocating bandwidth according to the guaranteed rate, cell to alleviate the congestion condition.

如图3所示,为本发明之较佳实施方式之一种VOIP业务带宽的分配方法流程框图,主要包括如下步骤。 3, the method of allocating a block flow diagram of a preferred embodiment of the present invention embodiment VOIP service bandwidth, including the following steps.

步骤101,根据相应的服务质量QoS,建立RAB时指配VOIP业务的最大 Step 101, in accordance with the appropriate quality of service QoS, VOIP assigned duties at the time of the establishment of maximum RAB

速率和保证速率; Rate and guaranteed rate;

首先,RNC设置小区负载门限、RNC与其所属各NodeB之间Iub负载门限, RNC还可以进一步设置资源统计周期。 First, RNC set the cell load threshold, RNC Iub load threshold to which it belongs among the NodeB, RNC may further set the resource cycle statistics.

在进行无线接入承载RAB建立时,首先由CN向UTRAN发送RAB指配请求消息,请求UTRAN建立RAB,核心网CN指配相应的服务质量(QoS, Quality of Service )参数。 During the establishment of a radio access bearer RAB, transmitted by the CN to the UTRAN first RAB assignment request message, UTRAN establishes RAB request, refers to a CN with respective service quality (QoS, Quality of Service) parameters.

根据相应的服务质量(QoS, Quality of Service)参数,RAB建立过程中, RAB指配信令中指配VOIP业务的最大速率和保证速率,最大速率是指UE和CN之间传输语音所达到的最大速率,此时,语音质量最高,则相应会要求最大 The appropriate quality of service (QoS, Quality of Service) parameters, an RAB establishment procedure, means an RAB with a guaranteed rate and the maximum rate signaling assignments in VOIP services, the maximum rate is the maximum transfer rate between the UE and the CN speech achieved In this case, the highest voice quality, you will be asked to appropriate the largest

的带宽;保证速率是指要保证所设定的QoS的前提下,UE和CN之间传输语音所必须达到的速率。 Bandwidth; guaranteed rate is simply more ensuring QoS precondition set, voice transmission between the UE and the CN must reach rate.

步骤102,设置传输信道带宽等级; Step 102, set a transmission channel bandwidth level;

RNC根据RAB指配的最大速率和保证速率划分传输信道带宽等级, 一般而言,最大带宽对应最大速率,保证带宽对应保证速率,中间级带宽根据最大速率和保证速率之间的速率依次选择。 The RNC is divided RAB assignment guaranteed rate and the maximum rate transmission channel bandwidth class, in general, a maximum rate corresponding to the maximum bandwidth, guaranteed bandwidth corresponding to a guaranteed rate, the bandwidth of the intermediate stage are sequentially selected according to a rate between the maximum rate and the guaranteed rate.

例如,当RAB指配的最大速率为12.2K,保证速率为7.95K时,传输信道带宽等级可以划分为3级,依次为:12.2K对应的传输信道带宽、10.2K对应的传输信道带宽、7.95K对应的传输信道带宽。 For example, when the maximum rate is 12.2k RAB assignment, guaranteed rate is 7.95K, transmission channel bandwidth can be divided into three levels, were: 12.2K corresponding transmission channel bandwidth, the bandwidth of the transmission channel corresponding to 10.2K, 7.95 K corresponding transmission channel bandwidth.

当然,根据需要,可以根据RAB指配的最大速率和保证速率划分传输信道带宽等级为多个级别,如至少三个级别。 Of course, if necessary, may be divided according to a RAB assignment guaranteed rate and the maximum rate transmission channel bandwidth a plurality of rating levels, such as at least three levels.

步骤10 3,监测传输信道负载资源情况; Step 103, monitor the load transmission channel resources;

传输信道负载主要包括基于功率的小区负载资源和基于IUB负载资源,所以RNC可以实时检测小区负载和/或Iub负载,或在资源统计周期内统计小区的吞吐率和/或Iub的吞吐率,进而得到小区负载和/或Iub负载。 Transport channels include a load cell and a load of resources based IUB load power resources, the RNC may detect in real time the load cell and / or Iub load, or statistical cell cycle in the resource statistics throughput and / or throughput based Iub, and further resulting cell load and / or Iub load.

步骤104,判断传输信道负载是否超过预设的负载门限; Step 104 determines whether the transmission channel load exceeds a preset load threshold;

本实施方式中,判断传输信道负载是否超过预设的负载门限是通过判断小区负载是否超过负载门限和/或Iub负载是否超过Iub负载门限实现的。 In the present embodiment, the transmission channel is determined whether the load exceeds a preset load threshold is determined by the load cell exceeds load threshold and / Iub or Iub load exceeds a load threshold achieved.

实时检测小区负载和/或Iub负载,或在资源统计周期内统计得到小区负载和/或Iub负载,判断小区负载是否超过负载门限和/或Iub负载是否超过Iub负载门限,即判断小区和/或Iub资源是否均发生拥塞。 Real-time detection cell load and / or Iub load, or the resource statistics period the counted cell load and / or Iub load, determines the cell load exceeds a load threshold and / or Iub load exceeds Iub load threshold, i.e. determines cell and / or whether Iub resources are congested.

如果小区及Iub资源均不发生拥塞,则继续进行语音、数据及多媒体业务的传输,并重新执行步骤103、步骤104,直到判断出小区或Iub资源至少之一发生拥塞,执行步骤105。 If the cell and resource congestion Iub not occur, it continues to voice, data and multimedia services transmission, and re-execute step 103, step 104, until it is determined that at least one cell or Iub resource congestion occurs, step 105 is performed.

步骤105,根据当前的传输信道信息动态调整VOIP业务带宽。 Step 105, VOIP dynamic adjustment current transmission bandwidth according to the channel information.

在业务进行过程中,当判断出小区或Iub资源至少之一发生拥塞时,则触发VOIP业务进行传输信道重配置,在现有带宽基础上逐级降低VOIP带宽等级, 也可以根据配置的负载门限跳级降低带宽等级,直到将VOIP带宽等级降至保证 In service in progress, when it is determined that at least one cell or Iub resource congestion occurs, the trigger VOIP traffic transmission channel reconfiguration, progressively reducing the bandwidth of the existing VOIP bandwidth class basis, may be limited according to the configuration of the load threshold skip a grade lower bandwidth levels until the VOIP bandwidth levels down to ensure

速率带宽。 Rate bandwidth.

经过一定时间的数据传输后,可能小区及Iub资源均不发生拥塞,即监测到小区负载低于其负载门限及Iub负载低于其负载门限,可以在现有带宽基础上逐级升高VOIP带宽等级,也可以根据配置的负载门限跳级升高VOIP带宽等级, 直至升到最大带宽。 After a certain time of data transmission, and the cell may not congested Iub resource, i.e., the monitored cell load is lower than the load threshold and Iub load is below the load threshold, VOIP bandwidth can be increased step by step on the basis of existing bandwidth level, you can also skip elevated VOIP bandwidth levels based on the configuration of the load threshold to rise until the maximum bandwidth.

此外,还可以配置周期定时器,定时器超时,判断传输信道负载是否高于或低于预设负载门限,如果是,则进行上述的相应的操作;下一次定时器再超时,再判断负载是否高于或低于门限。 In addition, a timer may be configured periodic timer expires, the transmission channel is determined whether the load is above or below a predetermined load threshold, and if so, the respective operations described above is performed; next timer times out again, and then determines whether or not the load above or below the threshold. 具体为:定时器超时,判断小区负载及Iub负载均没有超出各自的负载门限时,则在现有带宽基础上逐级升高VOIP带宽等级,也可以根据配置的负载门限跳级升高VOIP带宽等级,直至升到最大带宽,关闭周期定时器;判断小区负载及Iub负载至少之一超出相应各自的负载门限时,则在现有带宽基础上逐级降低VOIP带宽等级,也可以根据配置的负载门限跳级降低VOIP带宽等级,直到将VOIP带宽等级降至保证速率带宽,关闭周期定时器。 Specifically: timer expires, determining a load cell and load Iub load did not exceed the respective threshold, then progressively increased bandwidth of the existing VOIP bandwidth level based on the threshold may be increased skip VOIP bandwidth class according to the load door configuration , rose until the maximum bandwidth, closed cycle timer; Analyzing Iub load cell and a load corresponding to at least one of the respective load exceeds the threshold, then the stepped down VOIP bandwidth level based on the existing bandwidth, may also limit the load door configuration skip reduce bandwidth class VOIP, VOIP bandwidth levels until the rate dropped to guarantee bandwidth to close the cycle timer.

步骤105之后,重新执行步骤103。 After step 105, step 103 is performed again.

但上述仅为本发明的较佳实施方式,并非用于限定本发明的保护范围,任何熟悉本技术领域的技术人员应当认识到,凡在本发明的精神和原则范围之内, 所做的任何修饰、等效替换、改进等,均应包含在本发明的权利保护范围之内。 However, the above are merely preferred embodiments of the present invention, not intended to limit the scope of the present invention, any skilled in the art will recognize the art, all within the scope and spirit of the principles of the present invention, made by any modifications, equivalents, improvements, etc., should be included within the scope of protection of the invention as claimed.

Claims (10)

1. 一种VOIP业务带宽的分配方法,其特征在于,包括:步骤A,根据RAB指配的VOIP业务的最大速率和保证速率设置传输信道带宽等级;步骤B,检测传输信道负载情况;步骤C,根据检测到的传输信道负载情况调整VOIP业务带宽的等级,当所述传输信道负载超过预设的门限,逐级或跳级降低所述VOIP业务带宽的等级;当所述传输信道负载低于预设的门限,则逐级或跳级升高所述VOIP业务带宽的等级。 A VOIP service bandwidth allocation method comprising: step A, set the transmission channel bandwidth class according to the maximum rate and the guaranteed rate RAB assignment VOIP service; step B, and detecting the transmission channel load conditions; Step C , VOIP service bandwidth adjustment according to the detected level of the transmission channel load conditions, when the transmission channel load exceeds the predetermined threshold, progressively reducing or skip the VOIP bandwidth service level; when the load is below a predetermined transmission channel set threshold, then step by step or skip raising the VOIP service bandwidth levels.
2. 如权利要求1所述的一种VOIP业务带宽的分配方法,其特征在于,步骤A之前还包括:核心网指配服务质量QoS,在进行RAB建立时, 根据服务质量QoS指配VOIP业务的最大速率和保证速率。 2. An VOIP service bandwidth allocation method according to claim 1, wherein prior to step A further comprises: a core network quality of service QoS assigned, during RAB establishment, VOIP service QoS assigned according to the QoS the maximum rate and guaranteed rate.
3. 如权利要求2所述的一种VOIP业务带宽的分配方法,其特征在于:步骤A中,设置传输信道带宽等级具体为最大带宽对应最大速率,保证带宽对应保证速率,中间级带宽根据最大速率和保证速率之间的速率依次选择。 3. An VOIP service bandwidth allocation method according to claim 2, wherein: the step A, the transmission channel is provided for the bandwidth class specific maximum rate corresponding to the maximum bandwidth, guaranteed bandwidth corresponding to a guaranteed rate, the maximum bandwidth of the intermediate stage rate between the rate and the guaranteed rate sequentially selected.
4. 如权利要求l、 2或3所述的一种VOIP业务带宽的分配方法,其特征在于,步骤B中所述传输信道负载具体为小区负载、Iub负载至少之 L as claimed in claim 4. A VOIP service bandwidth allocation method of claim 2 or 3, wherein said step B is a transport channel specific load cell load, the Iub load of at least
5. 如权利要求1、 2或3所述的一种VOIP业务带宽的分配方法,其特征在于,设置周期定时器,降低VOIP业务带宽等级的时机为当周期定时器超时且传输信道负载超出预设的门限时。 5. An VOIP service bandwidth allocation method 1, claim 2 or claim 3, wherein the timer set period, reducing the bandwidth class VOIP services when the period of time for the timer expires and the transmission channel exceeds a pre-load set the threshold.
6. 如权利要求1、 2或3所述的一种VOIP业务带宽的分配方法,其特征在于,设置周期定时器,升高VOIP业务带宽等级的时机为当周期定时器超时且传输信道负载低于预设的门限时。 6. An VOIP service bandwidth allocation method 1, claim 2 or claim 3, wherein the timer set period, the timing of increased bandwidth levels for VOIP services timer expires when the period of low load and transmission channel to a preset threshold.
7. 如权利要求4所述的一种VOIP业务带宽的分配方法,其特征在于,步骤B与步骤C之间还包括判断小区负载是否超过预设的负载门限或Iub负载是否超过Illb预设的负载门限,则步骤C中所述传输信道负载情况为该判断结果。 7. An VOIP service bandwidth allocation method according to claim 4, characterized in that, between the step B and step C further comprises determining whether a cell load exceeds a preset load threshold or Iub load exceeds a preset Illb load threshold, step C, the transport channel load conditions for determination result.
8. 如权利要求7所述的一种VOIP业务带宽的分配方法,其特征在于,当判断出小区负载或Iub负载超出各自预设的负载门限时,步骤C具体为:逐级或跳级降低VOIP业务带宽的等级,直到将VOIP业务带宽降至保证带宽。 8. An VOIP service bandwidth allocation method according to claim 7, wherein, when it is determined that the cell load or Iub load exceeds the respective preset load threshold, Step C: decreased stepwise or skip VOIP service bandwidth level until the VOIP service bandwidth down to guaranteed bandwidth.
9. 如权利要求4所述的一种VOIP业务带宽的分配方法,其特征在于,步骤B与步骤C之间还包括判断小区负载是否超过预设的负载门限和Iub负载是否超过Iub预设的负载门限,当判断出小区负载、Iub负载至少之一超出各自预设的负载门限时,步骤C具体为:逐级或跳级降低VOIP业务带宽等级,直到将VOIP带宽降至保证带宽。 9. An VOIP service bandwidth allocation method according to claim 4, characterized in that, further comprising the step between steps B and C is determined whether the cell load exceeds a preset load threshold and Iub load exceeds a preset Iub load threshold, the load cell when it is determined, at least one of the Iub load exceeds respective preset load threshold, step C: skip or stepwise reduced bandwidth class VOIP services, VOIP bandwidth is reduced until the guaranteed bandwidth.
10. 如权利要求4所述的一种VOIP业务带宽的分配方法,其特征在于, 步骤B与步骤C之间还包括判断小区负载是否超过预设的负载门限和Iub负载是否超过Iub预设的负载门限,当判断出小区负载、Iub负载均低于各自预设的负载门限时,步骤C具体为:逐级或跳级升高VOIP 业务带宽等级,直至升到最大带宽。 One kind of VOIP service bandwidth allocation method as claimed in claim 4, characterized by further comprising the step between steps B and C is determined whether the cell load exceeds a preset load threshold and Iub load exceeds a preset Iub load threshold, when it is judged that the load cell, the Iub load are below their preset load threshold, step C: skip or stepwise increased bandwidth class VOIP services, rose until the maximum bandwidth.
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