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Method, System And Device For Enhancing The Uplink Coverage Capacity Of The User Equipment

A technology of coverage capability and user equipment, applied in the field of communication, can solve problems such as decoding failure, and achieve the effect of shortening decision-making delay and increasing uplink coverage capability.

Active Publication Date: 2014-05-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the reduction of the E-DPDCH power gain factor, the transmitted data packet will fail to decode after reaching the maximum number of retransmissions of the Hybrid Automatic Repeat Request (HARQ)

Method used

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  • Method, System And Device For Enhancing The Uplink Coverage Capacity Of The User Equipment
  • Method, System And Device For Enhancing The Uplink Coverage Capacity Of The User Equipment
  • Method, System And Device For Enhancing The Uplink Coverage Capacity Of The User Equipment

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Embodiment Construction

[0029] Through analysis, the inventor found that although the method provided by the prior art can improve the UE's uplink coverage capability, it takes a long time delay to complete the handover to 10ms TTI due to the need for the RNC to make a decision, thus easily causing data lost.

[0030] 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 only some, not all, embodiments of the present invention. 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.

[0031] see figure 1 , which is a flow chart of improving UE uplink coverage capability according to an embodiment of the present invention. Specifically include:

[0032] Step 1...

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Abstract

A method, a system, and an apparatus for enhancing uplink coverage capacity of a User Equipment (UE) are disclosed. The method includes: a NodeB receives information reported by a UE, instructs the UE to transmit uplink data by using a preset scheme after determining that the uplink transmit power of the UE is limited according to the information, and decodes received uplink data in a mode corresponding to the preset scheme.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for improving the uplink coverage capability of user equipment (UE). Background technique [0002] High speed uplink packet access (HSUPA, high speed uplink packet access) is the optimization and evolution of the uplink direction (from the mobile terminal to the wireless access network) for packet services. HSUPA uses adaptive coding, physical layer hybrid retransmission, fast scheduling based on base station (Node B) and 2ms transmission time interval (TTI, Transmission Time Interval) short frame transmission and other mechanisms to achieve the highest data transmission rate and cell throughput. and enhancements in latency. [0003] When the total transmit power of the UE reaches the maximum transmit power of the UE, the UE can be considered to be in a power-limited state. At this time, the power gain factor of the enhanced dedicated physical ...

Claims

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Application Information

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IPC IPC(8): H04W52/00
CPCH04W52/286H04W52/34H04W52/367H04W52/50H04W52/04
Inventor 闫坤周真郑潇潇高永强王晓霞王宏伟马雪莉戴丁樟郭房福于江张静荣张屹
Owner HUAWEI TECH CO LTD
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