Communication method, user device, base station and communication device

A technology of communication equipment and communication method, which is applied in the field of communication and can solve problems such as small coverage

Active Publication Date: 2012-06-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The value range of the TA command returned by the eNB to the UE is 0 to 1282, and the corresponding TA time range is 0 to 0.67ms, and the coverage that can be supported is small

Method used

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  • Communication method, user device, base station and communication device
  • Communication method, user device, base station and communication device
  • Communication method, user device, base station and communication device

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] It should be understood that the technical solution of the present invention can be applied to various communication systems, such as: Global System of Mobile Communication (English is Global System of Mobile communication, English abbreviation is GSM) system, Code Division Multiple Access (English is Code Division Multiple Access, English CDMA) system, Wideband Code Division Multiple Access (WCDMA in English) system, General Packet Radio Service...

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Abstract

The present invention provides a communication method, a user device, a base station and a communication device. The method comprises: the base station sends the random access response information to the user device UE,and the random access response information comprises a time-advance order which has a length of 12bit or has a dereference of 1282. The present invention can make the base station send the time-advance order with a length of at least 12bit or a dereference of greater than 1282 in the random access response information so as to make the UE acquire greater time calibration quantity during the process for time calibration, thus being able to support cell coverage of longer distance.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and more specifically, to a communication method, user equipment, base station, and communication equipment Background technique [0002] The Long Term Evolution (English for Long Term Evolution, English abbreviation for LTE) system requires different user equipment (UE, Equipment) uplink signals to reach the evolved base station (English for evolvedNodeB, English abbreviation for eNB) time alignment (time alignment), in order to Guarantees the orthogonality of uplink signals between UEs, thereby helping to eliminate interference in the cell. The time calibration of the uplink transmission is realized by performing timing advance (Timing Advance in English, TA in English abbreviation) on the UE side. [0003] At present, in the process of initially accessing the LTE, the UE firstly sends an uplink Physical Random Access Channel (Physical Random Access Channel in En...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W56/00H04W74/08H04L1/16
CPCH04L1/16H04W56/0045H04W92/12H04W56/00H04L1/1812H04W74/08H04W74/0833
Inventor 钟毅李爽杨东利王金灵
Owner HUAWEI TECH CO LTD
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