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Communication network

A communication network and gateway technology, applied in the field of communication network, can solve problems such as low throughput, long delay, and complex networking, and achieve the effects of reducing the number of network elements, simplifying networking, and reducing the number of interfaces

Inactive Publication Date: 2009-03-18
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. The number of network elements and interfaces in the existing EDGE network is large, which leads to complex networking, large delay, and low throughput
[0008] 2. The backward compatibility of the existing EDGE network is poor, and the existing network equipment cannot be used when the network is upgraded, resulting in high cost of network upgrade

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1. A communication network consisting of figure 2 It can be seen that the communication network includes:

[0028] The base station transmitter 201 is used to process the data accessed by the air interface, and has the function of a packet control unit, and makes itself compatible with existing network terminals through protocol adaptation. In addition, radio link control (RLC, Radio Link Control) and media access control (MAC, Media Access Control) can also be moved down to the base station transmitter 201, so that the base station transmitter 201 further includes RLC and MAC. Function.

[0029] The first gateway 202 is used to process signaling plane services in the network, and has the function of a general packet radio service service support node. In addition, the first gateway 202 further has the function of a base station controller and part of the signaling of the mobile switching center surface function.

[0030] The second gateway 203 is used to...

Embodiment 2

[0032] Embodiment 2. A communication network. In this embodiment, according to the LTE network architecture, the EDGE network is divided into an evolved BTS (eBTS, Evolved BTS), a mobility management entity (MME, Mobility Management Entity) and an access gateway (AGW, Access Gateway) three entities, which can be seen in detail image 3 . Among them, eBTS is mainly responsible for processing air interface access data, MME is responsible for mobility control and management, and AGW is responsible for routing and tunnel management. Each entity communicates through a fixed IP address, where the signaling plane uses the Simple Control Transmission Protocol (SCTP, Simple control transmission Protocol), and the user plane uses the General Packet Radio Service Tunneling Protocol (GTP, General Packet RadioService Tunneling Protocol).

[0033] In order to flatten the circuit (CS, Circuit Switched) domain and the data (PS, Packet Switched) domain of the EDGE network, it is necessary to ...

Embodiment 3

[0036] Embodiment 3. A communication network. The network architecture of this embodiment is the same as that of Embodiment 2, and the EDGE network is also divided into three entities: eBTS, MME, and AGW.

[0037]Different from the second embodiment, this embodiment only flattens the PS domain, and integrates and divides the functions of the network elements of the PS domain. Move the PCU of the existing network down to the eBTS, and add radio link control (RLC, Radio Link Control) and media access control (MAC, Media Access Control) functions to the eBTS. The eBTS makes itself compatible with the existing network terminal. The SGSN is evolved into an MME, and the MME is used to process signaling between itself, 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.

[0038] It can be seen from the above that both Embodiment 2 and Embodiment 3 need to integrate and divide the network elements of ...

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Abstract

The invention relates to the wireless mobile communication technical field and discloses a communication network. The communication network comprises: a base station sender used for processing empty accessed data and having a function of a packet control unit, a first gateway used for processing signaling plane services inside a network and having the function of a general packet wireless service support node, and a second gateway used for processing signaling plane services inside a network and having the function of a general packet wireless service support node, wherein, the base station sender establishes connection with the first gateway through a first interface and establishes connection with the second gateway through a second interface, and the first gateway establishes connection with the second gateway through a third interface. The packet network can be simplified by using the invention, and meanwhile, the cost can be reduced and the time delay can be shortened.

Description

technical field [0001] The invention relates to the technical field of wireless mobile communication, in particular to a communication network. Background technique [0002] Enhanced Data rates for Global System for Mobile Communication Evolution (EDGE, Enhanced Data rates for Global System for Mobile communication Evolution) is a transition technology from GSM to 3G, which mainly adopts a new modulation method in the GSM system, namely the latest Advanced multi-slot operation and 8PSK modulation technology. Since 8PSK can expand the signal space of the GMSK modulation technology adopted by the existing GSM network from 2 to 8, the information contained in each symbol is 4 times that of the original. [0003] This technology can make full use of existing GSM resources. Because in addition to using the existing GSM frequency, it also utilizes most of the existing GSM equipment, and only needs to make some minor changes to the network software and hardware, so that operators...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/22H04Q7/30
CPCH04W92/24H04W88/16H04W92/045
Inventor 吴健李琦苗立靖崔宗芳陈宇
Owner SHANGHAI HUAWEI TECH CO LTD
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