Random access channel resource configuration method and system

A technology for random access channel and resource configuration, applied in the field of random access channel resource configuration

Active Publication Date: 2015-02-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a random access channel resource configuration method and system, which solves the problem of MTC UE access in the LTE / LTE-A system

Method used

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  • Random access channel resource configuration method and system
  • Random access channel resource configuration method and system
  • Random access channel resource configuration method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0126] The embodiment of the present invention provides a random access channel resource configuration method, including:

[0127] (1) Random access channel resource configuration information is indicated by a piece of random access channel configuration information, and the random access channel configuration information includes at least prach-ConfigIndex.

[0128] Among them, prach-ConfigIndex is used to describe the time domain location information of the PRACH starting resources (one subframe in time domain length) allocated within a predefined time domain length and the PRACH starting resources within the predefined time domain length Quantity. There is a mapping relationship between the different values ​​of prach-ConfigIndex and the location information of the PRACH starting resources within the predefined time domain length and the number of PRACH starting resources within the predefined time domain length, which is configured by the system . In the embodiment of the pre...

Embodiment 2

[0168] The embodiment of the present invention provides a random access channel resource configuration, and the process of completing MTC UE access using this method is as follows, including:

[0169] (1) Random access channel resource configuration information is indicated by a piece of random access channel configuration information, and the random access channel configuration information includes at least prach-ConfigIndex and prach-FreqOffset.

[0170] Among them, prach-ConfigIndex is used to describe the time domain location information of the PRACH starting resources (one subframe in time domain length) allocated within a predefined time domain length and the PRACH starting resources within the predefined time domain length Quantity. There is a mapping relationship between the different values ​​of prach-ConfigIndex and the location information of the PRACH starting resources within the predefined time domain length and the number of PRACH starting resources within the predef...

Embodiment 3

[0204] The embodiment of the present invention provides a random access channel resource configuration method, and the process of completing MTC UE access using this method is as follows, including:

[0205] (1) Random access channel resource configuration information is indicated by a piece of random access channel configuration information, and the random access channel configuration information includes at least prach-FreqOffset.

[0206] Among them, prach-ConfigIndex is used to describe the time domain location information of the PRACH starting resources (one subframe in time domain length) allocated within a predefined time domain length and the PRACH starting resources within the predefined time domain length Quantity. There is a mapping relationship between the different values ​​of prach-ConfigIndex and the location information of the PRACH starting resources within the predefined time domain length and the number of PRACH starting resources within the predefined time domai...

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Abstract

A random access channel resource allocation method and system. The present invention relates to the field of communications and solves the problem of MTC UE access in LTE / LTE-A systems. Said method comprises: a first node sends random access channel resource allocation information to a second node, said random access channel resource allocation information being instructed by one or more amounts of random access channel configuration information. The technical solution provided in the present invention embodiment is applicable to LTE / LTE-A networks and achieves the allocation of MTC UE random access channel resources within LTE / LTE-A systems.

Description

Technical field [0001] The present invention relates to the field of communication, and in particular to a method and system for configuring random access channel resources. Background technique [0002] Machine Type Communication (MTC) user terminal (MTC User Equipment, referred to as MTC UE), also known as machine to machine (Machine to Machine, referred to as M2M) user communication equipment, is the main application form of the Internet of Things at this stage. Low power consumption and low cost are an important guarantee for its large-scale application. M2M devices currently deployed on the market are mainly based on the Global System of Mobile communication (GSM) system. In recent years, due to the improvement of the spectrum efficiency of Long Term Evolution (LTE) / Subsequent LTE (LTE-A), more and more mobile operators choose LTE / LTE-A as the future broadband wireless communication system. Evolution direction. M2M multiple types of data services based on LTE / LTE-A will a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/08
CPCH04W74/0833H04W72/042H04W72/0446H04W74/006H04W74/08H04W72/23H04W72/0453H04W74/002
Inventor 刘锟戴博鲁照华夏树强方惠英石靖李新彩
Owner ZTE CORP
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