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Method and apparatus for establishing and retaining point-to-point communication radio chaining in radio communication network

A technology of wireless link and establishment method, applied in the field of communication, can solve problems such as differences

Inactive Publication Date: 2004-09-08
KONINK PHILIPS ELECTRONICS NV
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  • Abstract
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Problems solved by technology

[0007] However, since the sensitivity and antenna height of UE receivers are quite different from those of Node B receivers in UTRAN, the process of establishing P2P communication between two UEs should be similar to that between UEs and nodes. The process of communication establishment between B is different
[0008] In addition, in the process of P2P communication, because the wireless channel condition between two user terminals is different from the wireless channel condition between the user terminal and Node B in UTRAN, therefore, in the process of P2P communication, the P2P The process of maintaining the communication should also be different from the process of maintaining the communication between the user terminal and the Node B

Method used

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  • Method and apparatus for establishing and retaining point-to-point communication radio chaining in radio communication network
  • Method and apparatus for establishing and retaining point-to-point communication radio chaining in radio communication network
  • Method and apparatus for establishing and retaining point-to-point communication radio chaining in radio communication network

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Embodiment Construction

[0056] In order to have a clearer understanding of the process of establishing, maintaining and smoothly switching to the traditional communication mode of the P2P communication link involved in the present invention, firstly, in combination with the attached image 3 , briefly describe the complete process of P2P communication request, P2P communication establishment, P2P communication maintenance and P2P communication switching to traditional communication mode involved in P2P communication, and then respectively explain the link establishment, maintenance and smooth switching to The specific process of the traditional communication mode.

[0057] Such as image 3 As shown, it shows an overall process of P2P communication, including:

[0058] 1. The process of the user terminal entering the direct mode

[0059] In this process, the following steps are specifically included:

[0060] (1) Same as the traditional communication mode, the user terminals UE1 and UE2 enter the i...

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Abstract

The method of establishing point-to-point quits communication link in radio communication network includes the following steps: for the user terminal as link detection initiator to emit link detection signal to the other user terminal as link detection responder according to the initial detection power the radio communication system provides via the allotted direction communication link; for the other user terminal receiving the link detection signal meeting the basic requirement for direct communication to transmit confirmation information to the link detection initiator; and the link detection initiator terminal to monitor the direct communication link and to communicate directly with the responder after detecting the confirmation information. Owing to the link detection process of transmitting link detection signal, the method can ensure the P2P communication establishment.

Description

technical field [0001] The present invention relates to a point-to-point peer-to-peer communication in a wireless communication network, in particular to a method and a device for establishing and maintaining a wireless link of a point-to-point peer-to-peer communication in a wireless communication network. technical background [0002] In a traditional cellular mobile communication system, regardless of the distance between two communicating user terminals, a user terminal must be relayed by a base station to communicate with another user terminal. figure 1 Shows this traditional communication mode, user terminals UE1 and UE2 exchange information through the universal mobile communication system terrestrial radio access network (UTRAN) composed of base transceiver station (Node B) and radio network controller (RNC). The communication mode is also called uplink-base station-downlink mode. But in some cases, when two users in the same cell are very close to each other, it sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/005H04B7/26H04L12/56H04W52/38H04W72/02H04W76/02
CPCH04W52/383H04W76/02H04W52/38H04W24/00H04W92/18H04W28/04H04W52/48H04W52/50H04W76/10
Inventor 马霓孙礼贾群力张学军程江李岳衡
Owner KONINK PHILIPS ELECTRONICS NV
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