WO2008098449A1 - Procédé pour la mise en œuvre et le réglage d'un réseau de transmission à porteuses à largeurs de bandes asymétriques et d'un élément de réseau côté accès - Google Patents

Procédé pour la mise en œuvre et le réglage d'un réseau de transmission à porteuses à largeurs de bandes asymétriques et d'un élément de réseau côté accès Download PDF

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Publication number
WO2008098449A1
WO2008098449A1 PCT/CN2007/070690 CN2007070690W WO2008098449A1 WO 2008098449 A1 WO2008098449 A1 WO 2008098449A1 CN 2007070690 W CN2007070690 W CN 2007070690W WO 2008098449 A1 WO2008098449 A1 WO 2008098449A1
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WO
WIPO (PCT)
Prior art keywords
bandwidth
network element
request
uplink
side network
Prior art date
Application number
PCT/CN2007/070690
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English (en)
Chinese (zh)
Inventor
Yong Di
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008098449A1 publication Critical patent/WO2008098449A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communications, and in particular, to an access side network element, a bandwidth asymmetric transmission bearer network implementation method, and a bandwidth adjustment method in a mobile access network.
  • the bandwidth of technologies such as communication transmission links, point-to-multipoint broadband microwave access links, local multipoint distribution systems (LDMS), and X-digital subscriber lines (xDSL) can reach several M to several hundred M in the forward direction. The reverse is only a few tens of K to a few M.
  • the transmission management of mobile communication is based on the traditional SDH (Synchronous Digital Hierarchy) / PDH (Quasi-Synchronous Digital Hierarchy) system.
  • SDH Sesi-Synchronous Digital Hierarchy
  • PDH Quadrature-Synchronous Digital Hierarchy
  • IX data services for CDMA2000 systems
  • HRPD high-speed packet service
  • HSDPA High Speed Downlink Packet Access
  • WCDMA Wideband Code Division Multiple Access
  • HSUPA High-speed uplink packet access
  • the current mobile network system transmission link needs to be based on a symmetric transmission link, and the corresponding bandwidth management mechanism is also based on the traditional SDH/PDH symmetric link. If an asymmetric link is used according to the actual networking requirements, at present, in order to solve the problem, a feasible solution is to separately manage the uplink and downlink service bandwidths, and the bandwidth configuration granularity is not based on the actual SDH 64 kbps, but based on the actual IP transmission.
  • the configuration transmission bandwidth management based on the prior art is bidirectional symmetric bandwidth management, wherein the bandwidth of the E1 interface bandwidth configuration is based on the 64 kbps bandwidth of the traditional SDH/PDH network, and the FE interface bandwidth configuration adopts the service bandwidth admission configuration and the simple port inverse. Pressure flow control mechanism.
  • the present invention aims to provide a bandwidth asymmetric transmission bearer network implementation method, a bandwidth adjustment method, and an access side network element of a mobile access network, which are used to implement a bandwidth asymmetric transmission bearer network in a mobile access network.
  • a method for implementing a bandwidth asymmetric transmission bearer network including the following steps: a request for a network element of an access side of a mobile access network to receive a bandwidth for configuring an uplink and downlink transmission link; and an access side
  • the network element configures the uplink and downlink transmission link bandwidth according to the request for configuring the uplink and downlink transmission link bandwidth.
  • a bandwidth adjustment method including the following steps: an access side network element of a mobile access network receives a request for adjusting an uplink and downlink transmission link bandwidth; and an access side network element according to the The request adjusts the bandwidth of the uplink and downlink transmission links.
  • an access side network element in a mobile access network including: a receiving module, configured to receive a request for configuring uplink and downlink transmission link bandwidth; and a configuration module, configured to Request to configure the uplink and downlink transmission link bandwidth.
  • an access side network element in a mobile access network including: a receiving module, configured to receive a request for adjusting bandwidth of an uplink and downlink transmission link; and an adjustment module, configured to The request for adjusting the uplink and downlink transmission link bandwidth adjusts the uplink and downlink transmission link bandwidth.
  • the embodiment of the present invention can implement the bandwidth error in the mobile access network. It is called the transmission bearer network.
  • FIG. 1 is a flow chart showing a method for implementing a bandwidth asymmetric transmission bearer network according to an embodiment of the present invention; a flowchart of steps performed; a signaling flowchart of steps;
  • FIG. 4 is a flow chart showing the steps of the access side network element returning the configuration result to the maintenance station in the method according to the embodiment of the present invention
  • FIG. 5 is a flow chart showing a bandwidth adjustment method according to an embodiment of the present invention.
  • FIG. 6 is a flow chart showing the input of a service class in the method according to the embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of an access side network element according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of another access side network element according to an embodiment of the present invention.
  • Fig. 9 shows the structural intent of the adjustment unit according to the embodiment of the present invention.
  • the core idea of the present invention is that the bidirectional bandwidth configuration of the transmission link is separately configured according to the service model provided by the network element; and the bidirectional bandwidth of the transmission link is separately adjusted according to the change of the network element service demand.
  • FIG. 1 is a flow chart showing a method for implementing a bandwidth asymmetric transmission bearer network according to an embodiment of the present invention, which includes the following steps:
  • Step S102 The access side network element of the mobile access network receives a request for configuring an uplink and downlink transmission link bandwidth
  • Step S104 The access side network element configures uplink and downlink transmission link bandwidth according to the request.
  • the minimum granularity (ie, the minimum configuration unit) of the uplink and downlink transmission link bandwidth is 1K or 16K.
  • the method may further include the following steps: The maintenance station performs an input legality check on the input request.
  • the request for configuring the uplink and downlink transmission link bandwidth input from the maintenance station carries the service category to be accessed, and the network side network element or the access side network element learns to request the uplink and downlink transmission link bandwidth according to the service category.
  • the step S102 may include: the maintenance station of the mobile access network sends a request for configuring the uplink and downlink transmission link bandwidth input from the maintenance station to the network side network element of the mobile access network, and forwards the request to the mobile access network.
  • the access side network element as shown in Figure 2, specifically includes the following steps:
  • Step S202 The maintenance station generates a unidirectional bandwidth configuration message according to the request, and sends the unidirectional bandwidth configuration message to the network side network element.
  • the network side network element configures the unidirectional bandwidth configuration message as an uplink/downlink bandwidth configuration message, and forwards the message to the access side network. yuan.
  • the signaling flow of the separate configuration of the uplink/downlink broadband of the transmission link is shown in Figure 3.
  • the one-way bandwidth configuration message is sent from the maintenance station to the network side network element of the mobile communication system, and then to the network. Enter the network element and wait for the access NE to return the correct configuration message. Then the system returns a successful prompt to the maintenance station. The interface bandwidth of the network side and the access side NE is valid. Otherwise, the system returns an error message to the maintenance station. And do not do any configuration; this ensures that the uplink and downlink bandwidths of the two connected NEs are the same.
  • the mobile communication system may be divided into an access side network element and a network side network element according to the network element location; the user calculates the required uplink and downlink according to the service distribution of the network element coverage range.
  • Road bandwidth input the transmission link bandwidth to be configured from the maintenance station, where the bandwidth unit can be 1K or 16K (the minimum bandwidth of the access network bandwidth), and the maintenance station checks the input validity.
  • the method may further include the step S106, the access side network element returns the configuration result to the maintenance station by the network side network element.
  • the access side NE returns the configuration result to the maintenance station.
  • Step S402 If the configuration succeeds, the access side network element returns a bandwidth configuration confirmation message to the network side network element; and in step S404, the network side network element returns a configuration message execution result to the maintenance station according to the bandwidth configuration confirmation message. If the configuration fails, a failure message can be returned.
  • FIG. 5 is a flowchart illustrating a bandwidth adjustment method according to an embodiment of the present invention, which includes the following steps: when the transmission bandwidth needs to be adjusted, the bandwidth required for the uplink and downlink transmission link bandwidth to be adjusted from the maintenance station, and the maintenance station transmission bandwidth adjustment
  • the message is sent to the access side network element, and the bandwidth adjustment message includes input to the maintenance station.
  • the bandwidth information about the uplink and downlink transmission link bandwidth needs to be adjusted; the access side network element judges the bandwidth adjustment message: if the bandwidth is increased, it can be directly modified, without determining whether sufficient bandwidth remains, otherwise it is necessary to judge the remaining Whether the bandwidth is sufficient to adjust, if it is enough, it can be directly adjusted. Otherwise, it can be modified or modified according to the bandwidth information. If you choose to modify it immediately, some services will be interrupted, and the bandwidth will be modified immediately. If security modification is selected, the bandwidth will be adjusted after waiting for the service to be released. ; and return the bandwidth adjustment results to the maintenance station.
  • the maintenance station also performs an input legality check on the input request. If the input meets the check condition, configure protection (avoid multiple adjustments in a short time), you can adjust the timer protection T multiple times, and disable the adjustment again before the protection time expires.
  • step S604 different links are used for different services: (1) pure voice service is allocated symmetric link; (2) data service is calculated according to user requirements, and the maximum bandwidth of the front reverse link is determined whether the configuration is not configured. Symmetric link; (3) Broadcast multicast/VOD on-demand service uses asymmetric links.
  • step S606 access to services such as voice, data, broadcast multicast, and the like is included.
  • the processing tasks include: service flow classification, access rate commitment, marked message level, forwarding service classification, congestion control (for example: broadcast multicast service only needs to occupy downlink fixed bandwidth), and sending and receiving data Traffic shaping.
  • FIG. 7 and FIG. 8 are schematic diagrams showing the structure of two access side network elements according to an embodiment of the present invention.
  • the access side network element in the mobile access network includes: a receiving module 702, configured to receive a request for configuring uplink and downlink transmission link bandwidth; and a configuration module 704, configured to configure uplink and downlink transmission according to the request Link bandwidth.
  • the access side network element can implement an asymmetric network of uplink and downlink transmission link bandwidths in the mobile access network.
  • an access side network element in a mobile access network includes: a receiving module 802, configured to receive a request for adjusting bandwidth of an uplink and downlink transmission link; and an adjustment module 804, configured to adjust an upper and lower according to the request Line transmission link bandwidth.
  • the access side network element can adjust the uplink and downlink bandwidth.
  • Figure 9 illustrates a structural intent of an adjustment unit in accordance with an embodiment of the present invention.
  • the adjustment module 804 can include:
  • the first determining unit 902 is configured to determine whether the request is to request to increase bandwidth or request to reduce bandwidth;
  • the second determining unit 904 is configured to determine, if the first determining unit determines to request to reduce the bandwidth, determine whether the remaining bandwidth is sufficient to adjust;
  • the adjusting unit 906 is configured to directly adjust the bandwidth if the first determining unit determines to request to increase the bandwidth, or if the first determining unit determines that the bandwidth is requested to be reduced and the second determining unit determines that the remaining bandwidth is sufficient, and if the first determining unit If it is determined that the bandwidth is requested to be reduced and the second determining unit determines that the remaining bandwidth is insufficiently adjusted, the bandwidth is immediately modified or modified according to the configuration parameter; wherein, the bandwidth is immediately modified to interrupt the service to adjust the bandwidth; the security modification is to wait for the service to be released, and then adjust the bandwidth.
  • the mobile communication access side network element (Abis, A10/11 interface of CDMA2000 system, Iub, Iu-PS interface of UMTS system, etc.) can support the transmission network network with asymmetric uplink and downlink bandwidth.
  • 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. Alternatively, 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.
  • the invention is not limited to any specific combination of hardware and software. It should be within the scope of the spirit of the invention.

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

Abstract

La présente invention concerne un procédé permettant de mettre en œuvre et de réaliser un réseau de transmission à porteuses à largeurs de bandes asymétriques dans un réseau d'accès de mobiles. À cet effet, l'élément de réseau (NE) côté accès du réseau d'accès de mobiles reçoit une demande de configuration de largeurs de bandes de liaison montante et de liaison descendante. L'élément de réseau réagit en configurant les largeurs de bandes de liaison montante et de liaison descendante conformément à la demande. L'invention concerne également un élément de réseau (NE) côté accès permettant de mettre en œuvre un réseau de transmission à porteuses à largeurs de bandes asymétriques dans un réseau d'accès de mobiles. L'invention permet ainsi à l'élément de réseau (NE) côté accès (Abis en CDMA, interface A10/11, et interfaces PS Iub et Iu notamment en UMTS) du réseau d'accès de mobiles d'être compatible avec les groupes de réseaux de transmission à porteuses à largeurs de bandes asymétriques.
PCT/CN2007/070690 2007-02-15 2007-09-14 Procédé pour la mise en œuvre et le réglage d'un réseau de transmission à porteuses à largeurs de bandes asymétriques et d'un élément de réseau côté accès WO2008098449A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710079360.5 2007-02-15
CN200710079360A CN101030909B (zh) 2007-02-15 2007-02-15 带宽不对称传输承载网实现和调整方法及接入侧网元

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WO2008098449A1 true WO2008098449A1 (fr) 2008-08-21

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WO (1) WO2008098449A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105515640A (zh) * 2015-12-09 2016-04-20 深圳市纽格力科技有限公司 卫星通信方法、系统及接入侧设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106922003A (zh) * 2015-12-28 2017-07-04 中兴通讯股份有限公司 小区下行数据的发送方法及装置
CN112600757B (zh) * 2020-12-25 2023-03-10 深圳深度探测科技有限公司 一种基于不对称数据传输限速器的安全维护方法

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CN1282493A (zh) * 1997-11-19 2001-01-31 通信集合公司 用于无线通信系统中动态带宽分配的自适应时分双工方法和装置
WO2001031861A1 (fr) * 1999-10-22 2001-05-03 Nomadix, Inc. Systemes et procedes de gestion dynamique de largeur de bande par abonne dans un reseau de communications
JP2003274446A (ja) * 2002-03-14 2003-09-26 Nippon Telegr & Teleph Corp <Ntt> 帯域制御方法および基地局装置
CN1728640A (zh) * 2004-07-26 2006-02-01 上海贝尔阿尔卡特股份有限公司 快速响应的动态带宽分配方法、系统及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1282493A (zh) * 1997-11-19 2001-01-31 通信集合公司 用于无线通信系统中动态带宽分配的自适应时分双工方法和装置
WO2001031861A1 (fr) * 1999-10-22 2001-05-03 Nomadix, Inc. Systemes et procedes de gestion dynamique de largeur de bande par abonne dans un reseau de communications
JP2003274446A (ja) * 2002-03-14 2003-09-26 Nippon Telegr & Teleph Corp <Ntt> 帯域制御方法および基地局装置
CN1728640A (zh) * 2004-07-26 2006-02-01 上海贝尔阿尔卡特股份有限公司 快速响应的动态带宽分配方法、系统及装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105515640A (zh) * 2015-12-09 2016-04-20 深圳市纽格力科技有限公司 卫星通信方法、系统及接入侧设备
CN105515640B (zh) * 2015-12-09 2018-11-16 深圳市纽格力科技有限公司 卫星通信方法、系统及接入侧设备

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CN101030909A (zh) 2007-09-05

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