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Hybrid automatic repeat request (HARQ) entity management method and user equipment

A hybrid automatic retransmission, user equipment technology, applied in connection management, multiple use of transmission paths, transmission systems, etc., can solve problems such as inability to guarantee transmission

Inactive Publication Date: 2016-08-17
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on this, a complete HARQ (Hybrid Automatic Repeat Request) process (such as one initial transmission plus three retransmissions) corresponding to the existing LTE system cannot be completed in one COTW
However, based on the working characteristics of the unlicensed spectrum system, all stations compete to use the corresponding channel resources. After the initial transmission is completed, subsequent retransmissions cannot be guaranteed to be transmitted on the same unlicensed carrier.

Method used

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  • Hybrid automatic repeat request (HARQ) entity management method and user equipment
  • Hybrid automatic repeat request (HARQ) entity management method and user equipment
  • Hybrid automatic repeat request (HARQ) entity management method and user equipment

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Embodiment Construction

[0038] The foregoing and other features of the invention will become apparent from the following description, taken with reference to the accompanying drawings. In the specification and drawings, specific embodiments of the invention are disclosed, which illustrate some embodiments in which the principles of the invention may be employed. It is to be understood that the invention is not limited to the described embodiments, but rather, the invention The invention includes all modifications, variations and equivalents that come within the scope of the appended claims. In addition, for the sake of brevity, detailed descriptions of known technologies that are not directly related to the present invention are omitted to prevent confusion to the understanding of the present invention.

[0039] In the following, the user equipment side HARQ entity management method in the shared HARQ entity configuration mode proposed by the present invention will be described with reference to the ...

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Abstract

The invention provides a hybrid automatic repeat request (HARQ) entity management method, which is executed by either user equipment or a media access control (MAC) entity in the user equipment. The HARQ entity management method comprises steps: when one secondary cell in a secondary serving cell group is added or when the secondary service cell group is added, a HARQ entity corresponding to the secondary serving cell group is initialized. The method may also comprise a step of receiving a secondary service cell add command from a base station. The invention also provides corresponding user equipment.

Description

technical field [0001] The invention relates to the technical field of wireless communication. More specifically, the present invention relates to a hybrid automatic repeat request (HARQ) entity management method and a corresponding user equipment. Background technique [0002] The modern wireless mobile communication system presents two notable features. One is high broadband speed. For example, the bandwidth of the fourth-generation wireless mobile communication system can reach 100MHz, and the downlink rate can reach as high as 1Gbps; , online navigation and other emerging businesses. These two characteristics put forward higher requirements for wireless mobile communication technology, mainly including: ultra-high-speed wireless transmission, inter-regional interference suppression, reliable signal transmission during movement, distributed / centralized signal processing, etc. In the future enhanced fourth-generation (4G) and fifth-generation (5G) wireless mobile communi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L5/00
CPCH04L1/1896H04L1/1812H04W72/23H04W76/34H04W76/38H04L1/1874
Inventor 常宁娟蒋琦刘仁茂
Owner SHARP KK