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Method for switching uplink random channel or sharing channel between mobile communication systems

A technology of mobile communication system and shared channel, which is applied in the switching field of uplink random channel or shared channel between base stations of mobile communication system, and can solve problems such as performance degradation, conflict, and decoding failure

Inactive Publication Date: 2007-10-31
无锡中太数据通信股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Random numbers can lead to collision issues, and longer ID numbers can lead to receiver performance degradation in handling random access bursts, resulting in decoding failures, etc.
Further issues that lead to reduced coverage

Method used

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  • Method for switching uplink random channel or sharing channel between mobile communication systems
  • Method for switching uplink random channel or sharing channel between mobile communication systems

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, the switching process using short switching access pulses, as shown in Figure 1:

[0038]Step 101: After the base station establishes a wireless link with the terminal, it will control the terminal to perform various measurements through the measurement control process, which also includes tasks such as measuring the signal strength and quality of the serving cell and neighboring cells. After receiving the measurement control information, the terminal starts measurement at the required time, and reports a measurement report according to a pre-specified reporting rule.

[0039] Step 102: After receiving the measurement report from the terminal, the base station judges whether a handover needs to be triggered according to a certain handover algorithm. If a handover is triggered, the target cell is selected; otherwise, the measurement report is continued. The base station where the target cell is located is called the target base station.

[0040] Step 103:...

Embodiment 2

[0047] Embodiment 2, the switching process using simple air interface signaling, see Figure 2:

[0048] Step 201: After the base station establishes a wireless link with the terminal, it will control the terminal to perform various measurements through the measurement control process, which also includes tasks such as measuring the signal strength and quality of the serving cell and neighboring cells. After receiving the measurement control information, the terminal starts measurement at the required time, and reports a measurement report according to a pre-specified reporting rule.

[0049] Step 202: After receiving the measurement report from the terminal, the base station judges whether a handover needs to be triggered according to a certain handover algorithm. If a handover is triggered, the target cell is selected; otherwise, the measurement report is continued to be processed. The base station where the target cell is located is called the target base station.

[0050]...

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PUM

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Abstract

The invention discloses a switching method for ascending random channel or shared channel between base stations of mobile communication system. The aim of invention is used to solve the problems that the reliable coding can not be used caused by the complicated switch method and complicated switch accessing message. The invention includes: when the base stations need to be switched, target section distributes ID identify code and preserves source for terminals; target section sends the switch messages by control channels in source section; the messages include at least ID identify codes for terminals, source allocating information of target section and ascending dispatching messages; the terminals send switching commands to target base station according to switching command messages. The switching flow is terse, and reduces the switching time, and the reduced switching access messages can be presented by more bytes, and the switching access messages can use the reliable coding technology, and the receiver of base station can decode easily.

Description

technical field [0001] The invention relates to a switching method of an uplink random channel or a shared channel between base stations of a mobile communication system. Background technique [0002] A mobile communication system with uplink and downlink shared channels mainly consists of terminals, base stations and core networks. Base stations can exchange information with each other, that is to say, there is at least a logical connection. A direct physical connection between base stations is not excluded. The base station is connected to the core network. The terminal communicates with at most one base station at the same time, that is to say, there is no uplink macro-diversity among the base stations. When the terminal moves between cells belonging to different base stations, the serving cell will be changed through hard handover. There is no provision for whether a terminal uses hard handover when moving between cells in a base station. [0003] The protocol stack...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04W36/08H04W36/30H04W72/12
Inventor 杜忠达
Owner 无锡中太数据通信股份有限公司
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