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Terminal frequency point mapping and configuring method

A configuration method and frequency point technology, applied in electrical components, wireless communication, etc., can solve problems such as wireless communication systems not working, achieve the effects of reducing software modification, simple and flexible implementation methods, and saving air interface resources

Inactive Publication Date: 2013-09-11
POTEVIO INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Otherwise, the entire wireless communication system will fall into a state of inoperability

Method used

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  • Terminal frequency point mapping and configuring method
  • Terminal frequency point mapping and configuring method
  • Terminal frequency point mapping and configuring method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] Embodiment 1: Realize frequency point time slot mapping through Hash function.

[0106] Applying this embodiment needs to meet the following prerequisites:

[0107] 1. When the local base station is configured for inter-frequency networking, notify each attached terminal that the local base station networking mode is inter-frequency networking through broadcast or system information block (SIB, system information block) information. When the terminal is powered on, it defaults to the same-frequency networking mode.

[0108] The terminal can determine which spectrum allocation mode is currently used and the number of the used frequency point according to the currently working frequency point. The corresponding relationship between the frequency point identifier and the spectrum allocation mode is saved in the configuration file. Since the frequency allocation is performed by dividing the Physical Cell Identifier (PCI, Physical Cell Identifier) ​​by 3, the demodulation ...

Embodiment 2

[0125] Embodiment 2: Realize frequency point time slot mapping through the air interface system frame number (SFN) mapping method

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Abstract

The invention provides a terminal frequency point mapping and configuring method which includes the following steps that a terminal acquires frequency points of a broadcast channel, receives broadcast information at the frequency points of the broadcast channel, and selects a time slot to send Msg1; after receiving the Msg1, a base station selects a frequency point from the selectable frequency points, and generates and sends Msg2 which carries the selected frequency point information; the terminal obtains time frequency resources of the Msg2 according to the mapping relationship of the Msg1 and the Msg2 and receives the Msg2 on the time frequency resources; the terminal sends Msg3 and receives Msg4 at the assigned frequency point of the Msg2.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a terminal frequency point mapping and configuration method. Background technique [0002] TD-LTE is the long-term evolution version of the third-generation (3G) mobile communication standard TD-SCDMA. It uses technologies such as Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input Multiple Output (MIMO) to greatly improve system performance. (Under 20MHz bandwidth, the peak rate is 100Mbps downlink and 50Mbps uplink). TD-LTE230 system is a wireless broadband communication system developed by adopting TD-LTE core technology for the application of electric power communication private network. [0003] TD-LTE230 system uses 230MHz frequency band. At present, the 230MHz frequency band is mainly used in data transmission stations to undertake remote data collection work. Because the provided rate is very low, it can only be used for some simple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/08
Inventor 刘建明陶雄强李祥珍邢益海闫淑辉胡炜徐宏祝锋邓晓晖李庆华易三军
Owner POTEVIO INFORMATION TECH
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