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Data transmission and receiving method, wireless access point equipment, gateway and communication system

A technology of a data sending method and a data receiving method, applied in the field of communication, can solve the problems of using too many protocol layers and low transmission efficiency, and achieve the effects of improving the transmission efficiency, reducing the transmission overhead and reducing the amount of data transmission.

Inactive Publication Date: 2009-02-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Depend on image 3 It can be seen that when the eIu interface service data passes through the ADSL modem-DSLAM link segment, the protocol stack is the most, that is, the protocol layer is used the most, that is to say, the transmission efficiency is the lowest

Method used

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  • Data transmission and receiving method, wireless access point equipment, gateway and communication system
  • Data transmission and receiving method, wireless access point equipment, gateway and communication system
  • Data transmission and receiving method, wireless access point equipment, gateway and communication system

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no. 1 approach

[0042] First of all, the data sending method of the present invention provides a first embodiment, including the following steps:

[0043] Step A1, adding a corresponding user identifier before the message header and message payload of the circuit-switched domain service data transmitted between the wireless access point and the access gateway, marking the user to which the message belongs and the message's length;

[0044] Step A2, multiplexing the message payloads, message headers, and increased user identifiers of at least two users together as the payload of the RTP packet;

[0045] Step A3, sending the multiplexed RTP data packet.

[0046] It can be seen from the above embodiments that in the specific scenario of transmission between the wireless access point and the access gateway, at least two user data payloads, message headers, and added user identifiers are multiplexed in the Together, as the payload of the real-time transport protocol RTP packet, relative to the p...

no. 2 approach

[0067] refer to Figure 8 , The present invention also provides a second embodiment of the data receiving method, corresponding to the second embodiment of the above-mentioned data sending method, comprising the following steps:

[0068] Step 801, receiving the circuit-switched domain service RTP data packet transmitted between the wireless access point and the access gateway through RTP multiplexing;

[0069] In this step, the received RTP data packet comes from the wireless access point, and is transmitted through the user end equipment, the central office equipment, and the IP network. Specifically, this embodiment takes the data as an example of adaptive multi-rate AMR voice data illustrate.

[0070] In this embodiment, the user end equipment and the central office equipment may be an ADSL modem and a DSLAM respectively, or may also be a Cable modem and a CMTS respectively.

[0071] Step 802, parsing the multiplexed RTP data from the data packet;

[0072] Specifically, ...

no. 4 approach

[0082] refer to Figure 9 First, the fourth embodiment of the data sending method of the present invention is provided, including the following steps:

[0083] Step 901: Select the circuit-switched domain service data of at least two users whose destination address is the same wireless access point, and add a corresponding user identifier before the data message header and message payload of each selected user;

[0084] Step 902: increase the corresponding user identification before the message header of each user's voice data packet and the message payload, mark the user to which the message belongs and the length of the message;

[0085] Step 903: multiplex the message payload, message header, and respective user identifiers comprising the at least two users above, as the payload of the real-time transport protocol RTP packet, encapsulated in RTP / UDP / IP and the underlying protocol ;

[0086] Step 904: Send the multiplexed RTP data packet to the wireless access point.

[0...

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Abstract

The invention discloses a data transmission and receiving method, radio access point equipment, a gateway, and a communication system. The data transmission method comprises the following steps: adding corresponding user marks in front of a message header and a message payload of circuit switching domain service data transmitted between a radio access point and an access gateway for marking the user, to which a message belongs, and the length of the message; multiplexing the message payloads, the message headers and the added respective user marks of at least two users together as the payloads of a real-time transmission protocol (RTP) data packet; and transmitting the multiplexed real-time transmission protocol data packet. The data transmission and receiving method, the radio access point equipment, the gateway and the communication system can improve the service data transmission efficiency of the circuit switching domain.

Description

technical field [0001] The invention relates to the communication field, in particular to a data sending and receiving method, a wireless access point device, a gateway, and a communication system. Background technique [0002] The Universal Mobile Telecommunications System (UMTS for short) is a third-generation mobile communication system that adopts the Wideband Code Division Multiple Access (WCDMA for short) air interface technology. [0003] The UMTS includes a UMTS Terrestrial Radio Access Network (UMTS Terrestrial Radio Access Network, "UTRAN" for short) and a core network (Core Network, "CN" for short). Among them, UTRAN is used to handle all wireless-related functions, while CN handles all voice calls and data connections in the UMTS system, and realizes switching and routing functions with external networks. [0004] The UTRAN includes one or several Radio Network Subsystems ("RNS" for short). An RNS is composed of a radio network controller (Radio Network Control...

Claims

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Application Information

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IPC IPC(8): H04Q7/22H04L12/56
CPCH04W88/16H04W88/08H04L29/0651H04L29/06517H04L65/608H04L65/607H04W8/26H04L65/65H04L65/70
Inventor 赖志昌
Owner HUAWEI TECH CO LTD
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