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Method for obtaining uplink grant, user equipment and base station

A technology for user equipment and base stations, which is applied to electrical components, wireless communication, transmission systems, etc., and can solve problems such as UE being unable to obtain uplink grants.

Inactive Publication Date: 2016-12-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is used to solve the problem that the UE cannot obtain the uplink grant

Method used

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  • Method for obtaining uplink grant, user equipment and base station
  • Method for obtaining uplink grant, user equipment and base station
  • Method for obtaining uplink grant, user equipment and base station

Examples

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Embodiment Construction

[0032] 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 part of the embodiments of the present invention, 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 making creative efforts shall fall within the protection scope of the present invention.

[0033] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, wideband code WidebandCode Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, L...

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Abstract

Embodiments of the present invention provide a method for acquiring an uplink grant, user equipment and a base station. The method includes: when it is necessary to request an uplink grant from the second base station, sending a random access preamble to the first base station; receiving a random access response message from the first base station; according to the random access response message, sending to the second base station A base station sends an uplink grant allocation indication, so that the first base station sends the uplink grant allocation indication to the second base station; and receives an uplink grant from the second base station. The embodiment of the present invention solves the problem that the user equipment cannot obtain the uplink grant.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of wireless communication, and more specifically, to a method for obtaining an uplink grant (Uplink Grant), a user equipment, and a base station. Background technique [0002] With the development of mobile communication technology, the transmission rate and service quality that the system can provide are getting higher and higher, and the user business also puts forward higher and higher requirements on the transmission rate. In order to ensure the speed of general users and provide higher throughput for some users, the third generation partnership project (3 rd The Generation Partnership Project (3GPP) introduced carrier aggregation (Carrier Aggregation, CA) technology, which mainly enables user equipment (User Equipment, UE) to simultaneously use multiple component carriers (Component Carrier, CC) for uplink and downlink communication, thereby supporting high rate transmission....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04W72/12H04W74/08
CPCH04W74/004H04W74/006H04W74/0833
Inventor 常俊仁
Owner HUAWEI TECH CO LTD
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