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WO2009033394A1 - Réseau de communication - Google Patents

Réseau de communication Download PDF

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Publication number
WO2009033394A1
WO2009033394A1 PCT/CN2008/072146 CN2008072146W WO2009033394A1 WO 2009033394 A1 WO2009033394 A1 WO 2009033394A1 CN 2008072146 W CN2008072146 W CN 2008072146W WO 2009033394 A1 WO2009033394 A1 WO 2009033394A1
Authority
WO
WIPO (PCT)
Prior art keywords
gateway
interface
function
communication network
network
Prior art date
Application number
PCT/CN2008/072146
Other languages
English (en)
Chinese (zh)
Inventor
Jian Wu
Qi Li
Lijing Miao
Zongfang Cui
Yu Chen
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 WO2009033394A1 publication Critical patent/WO2009033394A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/24—Interfaces between hierarchically similar devices between backbone network devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/045—Interfaces between hierarchically different network devices between access point and backbone network device

Definitions

  • the present invention relates to the field of wireless mobile communication technologies, and in particular, to a communication network.
  • EDGE Enhanced Data Rates for Global System for Mobile Communication Evolution
  • GSM Global System for Mobile Communication
  • 8PSK Phase Shift Keying
  • This technology can make full use of existing GSM resources. Because it uses the existing GSM frequency, it also utilizes most of the existing GSM equipment, and only minor changes to the network software and hardware can enable operators to provide mobile users with Internet browsing.
  • Wireless multimedia services such as video teleconferences and high-speed e-mail transmissions provide personal multimedia communication services to users in advance of the commercialization of third-generation mobile networks. Since EDGE is a transitional technology between the existing second-generation mobile network and the third-generation mobile network, it is also called “second generation and a half" technology. EDGE can also coexist with future Wideband Code Division Multiple Access (WCDMA), which is also its elastic advantage.
  • WCDMA Wideband Code Division Multiple Access
  • the network includes a base transceiver station (BTS, Base Transceiver Station), a base station controller (BSC, Base Station Controller), and a packet control unit (PCU, Packet Control Unit), Test Control (TC, Test Control), Multimedia Gateway (MGW, Multimedia Gateway), General Packet Radio Service Support Node (SGSN), and Mobile Switching (MSC, Mobile Switching) Center) and so on.
  • BTS Base Transceiver Station
  • BSC Base Station Controller
  • PCU Packet Control Unit
  • Test Control TC
  • MGW Multimedia Gateway
  • SGSN General Packet Radio Service Support Node
  • MSC Mobile Switching
  • IP-based EDGE network establishes communication between BTS and BSC/PCU through IP-based Abis interface
  • the connection between the BSC and the SGSN is established through the IP-based Gb interface
  • the connection between the MGW and the MGW is established through the IP-based Nb interface
  • the BSC and the MGW establish a communication connection through the IP-based A interface
  • the TC and the MSC also A communication connection is established through the IPized A interface.
  • the prior art EDGE network has poor backward compatibility. When the network is upgraded, the existing network equipment cannot be utilized, resulting in high network upgrade cost.
  • the technical problem to be solved by the embodiments of the present invention is to provide a communication network, which makes the networking of the communication network simple, and the number of network elements and interfaces is small, thereby reducing the networking cost and shortening the delay.
  • the embodiment of the invention provides a communication network, including:
  • a base transceiver station for processing air interface access data and having the function of a packet control unit; a first gateway, configured to process signaling plane services in the network, and having a function of a general packet radio service service support node; The first gateway establishes a connection with the base transceiver station through the first interface;
  • a second gateway configured to process user plane services in the network, and having a function of a general packet radio service gateway supporting node; the second gateway establishes a connection with the base transceiver station through the second interface, and through the third interface A gateway establishes a connection.
  • the embodiment of the invention further provides another communication network, including:
  • a base transceiver station for processing air interface access data and having the function of a packet control unit; a third gateway for processing signaling plane and user plane services in the network, and having a general packet radio service service support node The third gateway establishes a connection with the base transceiver station through the fourth interface;
  • the fourth gateway is configured to process the signaling plane and the user plane service in the network, and has the function of the general packet radio service gateway supporting node; the fourth gateway establishes a connection with the base transceiver station through the fifth interface.
  • the communication network provided by the embodiment of the present invention reduces the number of network elements of the communication network, and the number of interfaces between the network element and the network element is also greatly reduced, thereby simplifying the networking;
  • the embodiment of the present invention can reduce the number of network elements, thereby reducing the networking cost and shortening the delay.
  • FIG. 1 is a schematic diagram of a prior art EDGE network
  • FIG. 2 is a schematic diagram of a communication network according to Embodiment 1 of the present invention.
  • Embodiment 3 is a schematic diagram of a communication network provided by Embodiment 2 of the present invention.
  • Embodiment 4 is a schematic diagram of a communication network provided by Embodiment 4 of the present invention.
  • FIG. 5 is a schematic diagram of a communication network according to Embodiment 5 of the present invention.
  • Embodiment 1 A communication network, as shown in FIG. 2, the communication network includes:
  • the base transceiver station 201 is configured to process data for air interface access, and has the functions of a packet control unit, and a terminal that is compatible with the existing network by protocol adaptation.
  • the RLC (Radio Link Control) and the Media Access Control (MAC) can be moved down to the base transceiver station 201, so that the base transceiver station 201 further includes the RLC and the MAC.
  • the first gateway 202 is configured to process signaling plane services in the network, and has the function of a general packet radio service service supporting node, and further the first gateway 202 further has a base station controller function and a part of signaling of the mobile switching center. Face function.
  • a second gateway 203 configured to process user plane services in the network, and has a function of a general packet radio service gateway supporting node, and further, the second gateway 203 further has a multimedia gateway function, a part of a signaling plane of the mobile switching center, and User face function.
  • the base transceiver station 201 establishes a connection with the first gateway 202 through the first interface, establishes a connection with the second gateway 203 through the second interface, and the first gateway 202 establishes a connection with the second gateway 203 through the third interface.
  • the first interface, the second interface, and the third interface may all be enhanced.
  • Embodiment 2 A communication network, which is divided into an evolved BTS (eBTS, Evolved BTS), and mobile according to a network architecture of a Long Term Evolution (LTE) system of a third generation mobile communication system.
  • Sex Management Entity MME, Mobility Management Entity
  • AGW Access Gateway
  • the eBTS is mainly responsible for processing data of air interface access
  • the MME is responsible for mobile control and management
  • the AGW is responsible for routing and tunnel management.
  • Each entity communicates through a fixed IP address, where the signaling plane uses Simple Control Transmission Protocol (SCTP) and the user plane uses General Packet Radio Service Tunneling Protocol (GTP).
  • SCTP Simple Control Transmission Protocol
  • GTP General Packet Radio Service Tunneling Protocol
  • the network element of the CS domain includes a BTS, a BSC, and an MSC.
  • the network elements of the PS domain include a BTS, a PCU, an SGSN, and a General Packet Radio Packet Support Node (GGSN).
  • the PCU of the existing network is moved down to the eBTS, and the eBTS is adapted to be compatible with the terminal of the existing network by protocol adaptation.
  • the SGSN is evolved into an MME, and a BSC, part of the MSC/MSC Server signaling plane function is added to the MME, and the MME is used to process signaling between itself and the eBTS and the AGW.
  • the GGSN of the existing network is evolved into an AGW, and a part of the MSC/MSC Server signaling plane function and the MSC user plane ZMGW function are added to the AGW, where the AGW is used to process the user plane service between itself and the eBTS.
  • the circuit domain and the data domain can be flattened, and the services of the user plane and the signaling plane are separated, wherein the service of the user plane is a voice service, a packet service or a data service, and the service of the signaling plane can be a signaling. business.
  • the eBTS accesses the core network through an enhanced SI (E-S1, Enhanced SI) interface, for example, accessing the MME through the E-S1C, accessing the AGW through the E-S1U interface, and the MME passing the E - The S11C interface is connected to the AGW.
  • E-S1, Enhanced SI enhanced SI
  • the E-S1C, E-S1U, and E-S11C interfaces are collectively referred to as the E-S1 interface.
  • Embodiment 3 A communication network, the network architecture of this embodiment is the same as that of the second embodiment, and the EDGE network is also divided into three entities: an eBTS, an MME, and an AGW.
  • this embodiment only flattens the PS domain, and integrates and functionally divides the network elements of the PS domain.
  • the PCU of the existing network is moved down to the eBTS, and the radio link control (RLC, Radio Link Control) and the media access control (MAC) function are added to the eBTS, and the eBTS is compatible with the protocol through protocol adaptation.
  • RLC Radio Link Control
  • MAC media access control
  • a terminal with a network A terminal with a network.
  • SGSN Evolved into an MME, the MME is used to process signaling between itself and the eBTS and the AGW.
  • the GGSN is evolved into an AGW, and the AGW is used to process user plane services between itself and the eBTS.
  • both the second embodiment and the third embodiment need to integrate and functionally divide the network elements of the existing EDGE network, which will change the access network and the core network of the existing EDGE network.
  • the above embodiment flattens the EDGE network according to the LTE network architecture, so the flattened EDGE network also applies to the LTE protocol standard.
  • the first embodiment has a corresponding relationship with the second embodiment and the third embodiment.
  • the base transceiver station 201 corresponds to the eBTS
  • the first gateway 202 corresponds to the MME
  • the second gateway 203 corresponds to the AGW.
  • Embodiment 4 A communication network, as shown in FIG. 4, the communication network includes:
  • the base transceiver station 401 is configured to process data for air interface access, and has the functions of a packet control unit, and a terminal that is compatible with the existing network by protocol adaptation. Further, the base transceiver station 401 further has a radio link control function, a medium access control function, a logical link control function, and a sub-gateway related convergence protocol function.
  • the third gateway 402 is configured to process signaling planes and user plane services in the network, and has the function of a general packet radio service support node.
  • the fourth gateway 403 is configured to process signaling plane and user plane services in the network, and has the function of a general packet radio service gateway supporting node.
  • the base transceiver station 401 establishes a connection with the third gateway 402 through the fourth interface, and the third gateway 402 establishes a connection with the fourth gateway 403 through the fifth interface, where the fourth interface can be a lu-PS interface.
  • the fifth interface can be a Gn interface.
  • Embodiment 5 A communication network, as shown in FIG. 5, the network includes three parts: a BTS, an SGSN, and a GGSN.
  • the PCU is moved down to the BTS, and the sub-network Dependent Convergence Protocol (SNDCP) and the Logical Link Control (LLC) are added to the BTS.
  • SNDCP sub-network Dependent Convergence Protocol
  • LLC Logical Link Control
  • RLC and MAC functions.
  • the BTS accesses the SGSN through the lu-PS interface, and adapts itself to the terminal of the existing network through protocol adaptation.
  • the PCU is moved down to the BTS, and the BTS accesses the core network part, such as the SGSN, through the lu-PS interface.
  • the lu-PS interface is the third generation shift 3G, third generation Network communication interface commonly used.
  • the BTS accesses the SGSN through the Iu-PS interface, and the SGSN interacts with the GGSN through the Gn interface. Since the embodiment of the present invention only changes the access network part, the separation of the user plane and the signaling plane cannot be implemented. Therefore, the SGSN and the GGSN, like the existing EDGE network, need to process the signaling service and the user plane service. For example, voice service, packet service or data service.
  • the fourth embodiment has a corresponding relationship with the fifth embodiment.
  • the third gateway 402 corresponds to the SGSN
  • the fourth gateway 403 corresponds to the GGSN.
  • the embodiment of the present invention is not limited to flattening the EDGE network, and may also be for a GSM network or the like.
  • the embodiment of the present invention divides the communication network into a base transceiver station and two gateways, and causes: the base transceiver station has a packet control function, wherein one gateway has a general packet radio service service support node.
  • the function of the other gateway has the function of the general packet radio service gateway supporting node, which reduces the number of network elements of the communication network, and the number of interfaces between the network element and the network element is also greatly reduced, thereby simplifying the networking.
  • the embodiment of the present invention can reduce the number of network elements, thereby reducing the networking cost and shortening the delay.
  • the embodiment of the present invention divides the EDGE network into three parts: the eBTS, the MME, and the AGW according to the architecture of the LTE.
  • the eBTS is adapted to be compatible with the terminal of the existing network by using the protocol, and the interface used by the embodiment of the present invention is further adopted.
  • E-S1 and Iu-PS can be compatible with 3G networks, so that the communication network can be better evolved to future networks such as LTE, so that existing network devices can be utilized when the network is upgraded, thereby reducing network upgrade costs.

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

Abstract

L'invention concerne un réseau de communication qui comporte un émetteur-récepteur de station de base qui traite des données reçues d'une interface radio et possède la fonction d'une unité de commande de groupe ; une première passerelle qui traite un service de plan de signalisation dans le réseau, possède la fonction d'un nœud de support de service GPRS et établit une connexion avec l'émetteur-récepteur de station de base par l'intermédiaire d'une première interface ; une seconde passerelle qui traite un service de plan utilisateur dans le réseau, possède la fonction d'un nœud de support de passerelle GPRS et établit une connexion avec l'émetteur-récepteur de station de base par l'intermédiaire d'une seconde interface ainsi qu'avec la première passerelle par l'intermédiaire d'une troisième interface.
PCT/CN2008/072146 2007-09-13 2008-08-26 Réseau de communication WO2009033394A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2007100460433A CN101389051A (zh) 2007-09-13 2007-09-13 通信网络
CN200710046043.3 2007-09-13

Publications (1)

Publication Number Publication Date
WO2009033394A1 true WO2009033394A1 (fr) 2009-03-19

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PCT/CN2008/072146 WO2009033394A1 (fr) 2007-09-13 2008-08-26 Réseau de communication

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WO (1) WO2009033394A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1496637A (zh) * 2001-03-14 2004-05-12 �ձ�������ʽ���� 移动终端管理系统,移动终端,代理和程序
US20060154660A1 (en) * 2003-09-02 2006-07-13 Guy Waugh Communication system and method
CN1863344A (zh) * 2005-05-10 2006-11-15 华为技术有限公司 一种无线接入网及无线接入系统和方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1496637A (zh) * 2001-03-14 2004-05-12 �ձ�������ʽ���� 移动终端管理系统,移动终端,代理和程序
US20060154660A1 (en) * 2003-09-02 2006-07-13 Guy Waugh Communication system and method
CN1863344A (zh) * 2005-05-10 2006-11-15 华为技术有限公司 一种无线接入网及无线接入系统和方法

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