Switching command sending method and base station

A technology of switching commands and sending methods, applied in the field of communications, can solve the problems of not being operable, not indicating how to obtain, not proposing switching information, etc.

Inactive Publication Date: 2009-07-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above scheme of sending the handover command in two steps does not propose the specific content of the handover information sent in the first step, nor does it point out how to obtai

Method used

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  • Switching command sending method and base station
  • Switching command sending method and base station
  • Switching command sending method and base station

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Embodiment Construction

[0022] The present invention will be described in detail below.

[0023] First, the content of the handover command message sent by the base station to the terminal is divided into two categories, one of which is information with a lower frequency of change, such as uplink and downlink configuration information, uplink and downlink bandwidth, and random access parameters (such as: Random sequence format, root sequence index, zero correlation region length, high-speed identification, random access transmission power setting, cell identification), etc., these information will not change before the base station is reconfigured or before the base station is restarted, that is, the change period is longer than that of the base station reconfiguration The configuration or restart interval; or other information that may change before the base station is reconfigured or restarted, but the change period exceeds a preset value (for example, one minute). These information with a lower fre...

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PUM

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Abstract

The invention discloses a transmit method for switching a command, which is applied in a long-term evolutionary system, and the method comprises that: a source base station transmits a first switching message to a terminal, and the first switching message refers to a target base station message with a variation period larger than a preset value; when affirming the terminal needing to initiate switching, the source base station transmits a switching command to the target base station; and the source base station receives switching response returned by the target base station and transmits a second switching message to the terminal according to the switching response of the target base station, and the second switching message refers to the target base station message with a variation period smaller than the preset value. The embodiment of the invention also provides a base station. By adopting the technical proposal of the embodiment of the invention, the contents of the first switching message and the second switching message are made clear, and the method for sending the switching message by two steps in an LTE system is led to become an operable technical proposal, thus perfecting the method, and guaranteeing the switching message to be timely, reliably and completely transmitted to the terminal.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for sending a handover command and a base station. Background technique [0002] With the development of communication technology, the requirements for network quality are increasing day by day, one of which is to realize the smooth handover of terminals (User Equipment, UE) between different cells [0003] In wireless networks such as Global System For Mobile Communication (GSM), UE switching between different cells is controlled by Radio Network Controller (RNC), and in Long Term Evolution (LTE) networks There is no RNC in the network, and the handover control is completed by the base station (Base Station, BS or NodeB). [0004] The source base station manages the source cell, and the target base station manages the target cell. The UE is currently in the source cell. When the source base station decides to handover the UE to the target cell according to the measurement rep...

Claims

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Application Information

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IPC IPC(8): H04W36/08
Inventor 谢眀江徐小英潘炜马小飞高闻谢铂云
Owner HUAWEI TECH CO LTD
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