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Housing estate selecting system and method for radio communication network

A technology for wireless communication network and cell selection, which is applied in wireless communication, radio/inductive link selection arrangements, selection devices, etc., and can solve the problems of increased processing load of mobile terminals, protracted cell selection time, and long synchronization time, etc.

Inactive Publication Date: 2003-12-10
LG ELECTRONICS INC
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  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Since the same cell is repeatedly monitored (i.e., measuring the received power of the BCCH and accessing and demodulating the FCCH bit pattern and the SCH bit pattern of the BCCH), a longer synchronization time is consumed, and thus the cell selection time is undesirably protracted
[0017] In addition, in the above cell selection method, by repeatedly monitoring the BCCH of the same cell, the processing load of the mobile terminal is greatly increased

Method used

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  • Housing estate selecting system and method for radio communication network
  • Housing estate selecting system and method for radio communication network
  • Housing estate selecting system and method for radio communication network

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Embodiment Construction

[0036] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

[0037] In the embodiments of the present invention, any unnecessary detailed descriptions that confuse the purpose of the present invention will be omitted.

[0038] image 3 The structure of the forward control channel according to the embodiment of the present invention is illustrated as an example. This structure of forward control channels is used by cell sites or other transmitting devices to propagate their corresponding forward control channels to mobile terminals or other receiving devices.

[0039] Such as image 3As shown, the forward BCCH includes one or more frames, wherein at least one FCCH bit pattern and at least one SCH bit pattern are present in at least one frame. In a more detailed description, one frame of the forward BCCH has 8 slots (slots 0-7), and each of the 8 slots has an FCCH bit pattern and an SCH bit pattern in it. ...

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Abstract

In a cell selecting system and a method thereof in a radio communication network, a forward BCCH is constructed to contain, in each time slot of a frame, both a FCCH bit pattern and a SCH bit pattern. The method includes measuring the reception power of a forward BCCH transmitted from each cell, while detecting a FCCH bit pattern and a SCH bit pattern from a time slot of the forward BCCH and demodulating the detected bit patterns. The cell synchronization can be performed by using the demodulated information of the selected cell. Accordingly, the cell selection time and the processing load of the mobile terminal can be reduced.

Description

technical field [0001] The present invention relates to a mobile communication network, in particular to a cell selection system and its method in a wireless communication network. Background technique [0002] In general, wireless communication systems such as GPRS (General Packet Radio Service) and GSM (Global System for Mobile Communications) etc. ensure continuous connection of the Internet to mobile terminals and computer users at high data transmission speeds. [0003] In the channel usage method of the wireless communication system, a channel is used after mapping a logical channel to, for example, RF (Radio Frequency) channels, TDMA (Time Division Multiple Access) frames and time slots, and the like. Among the logical channels are TCH (Traffic Channel), Control Channel and so on. The TCH is used to transmit user data, while the control channel is used to transmit control signal information. [0004] The Broadcast Control Channel (BCCH) is one of the known control c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04W48/12H04W48/20
CPCH04W48/20H04W72/00H04W48/12H04B7/26
Inventor 金镇勳
Owner LG ELECTRONICS INC
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