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Communication methods, user equipment, base stations and communication equipment

A communication method and technology for user equipment, applied in wireless communication, error prevention/detection using return channel, digital transmission system, etc., can solve problems such as small coverage

Active Publication Date: 2015-09-09
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 methods, user equipment, base stations and communication equipment
  • Communication methods, user equipment, base stations and communication equipment
  • Communication methods, user equipment, base stations and communication equipment

Examples

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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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PUM

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Abstract

A communication method, a user equipment, a base station, and a communication equipment are provided in embodiments of the present invention. The method includes: sending, by a base station, a random access response message to a user equipment UE, where the random access response message includes a timing advance command and the timing advance command is at least 12 bits long, or the value of the timing advance command is greater than 1282. According to the embodiments of the present invention, the base station may send to the UE the timing advance command whose length is at least 12 bits or whose value is greater than 1282 in the random access response message, so that the UE is capable of using a larger amount of time alignment when performing time alignment, and thereby cell coverage over a comparatively longer distance is supported.

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 Patents(China)
IPC IPC(8): H04L29/06H04W74/08H04L1/16
CPCH04L1/1812H04W74/0833H04W56/0045
Inventor 钟毅李爽杨东利王金灵
Owner HUAWEI TECH CO LTD
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