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Resource allocation base station, UE and method for HARQ feedback information

A technology for feedback information and resource allocation, applied in signaling allocation, transmission path sub-channel allocation, network traffic/resource management, etc., to achieve the effects of risk reduction, effective allocation and utilization of mismatch

Active Publication Date: 2014-04-16
HFI INNOVATION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, depending on the logical address of the DL scheduler, the current non-CA based on implicit (Implicit) resource allocation may not be used

Method used

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  • Resource allocation base station, UE and method for HARQ feedback information
  • Resource allocation base station, UE and method for HARQ feedback information
  • Resource allocation base station, UE and method for HARQ feedback information

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Embodiment Construction

[0033] Certain terms are used throughout the description and claims to refer to particular components. Those skilled in the art should understand that manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Include" and "comprising" mentioned in the entire specification and claims are open terms, so they should be interpreted as "including but not limited to". Otherwise, the term "coupled" includes any direct and indirect means of electrical connection. Indirect means of electrical connection include connection through other means.

[0034] Some embodiments of the present invention are described below with reference to the accompanying drawings.

[0035] figure 1 According to a novel aspect, it is a schematic diagram of a Hybrid Automatic Repeat Request (HARQ) feedback channel ...

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Abstract

HARQ feedback channel design for carrier aggregation (CA) is proposed in a multi-carrier LTE / LTE-A system. In one novel aspect, a predefined rule for HARQ feedback channel format switching is adopted by the system. Different HARQ formats are supported: single component carrier (non-CA) mode, carrier aggregation with small payload size (CA-S) mode, carrier aggregation with large payload size (CA-L) mode, and fallback mode. From the various CA and non-CA formats, the format to be used for uplink HARQ feedback channel is determined based on: UE capability for the maximum number of CCs supported; CC configuration information by RRC layer; and detection results of downlink schedulers. The CC configuration information may include the number of CCs that are configured and a specific HARQ format to be used. Because more reliable upper layer configuration is used to make the HARQ format- switching decision, the risk of UE and eNB mismatch is greatly reduced.

Description

[0001] Related Application Cross Reference [0002] This application was filed on June 18, 2010 in accordance with 35 U.S.C. §119 requirements, and the application number is 61 / 356,081, a U.S. provisional application titled "Uplink HARQ Feedback Channel Design for Carrier Aggregation in OFDMA Systems"; August 13, 2010 Submitted on October 5, 2010, the application number is 61 / 390,064 titled "Resource Allocation of Uplink HARQ Feedback Channel for Carrier Aggregation in TDD / FDD OFDMA Systems" U.S. provisional application; and the priority of U.S. provisional application No. 61 / 412,871 filed on November 12, 2010, the above application The subject matter is hereby incorporated by reference. technical field [0003] Embodiments of the present invention relate generally to wireless network communications, and more particularly to uplink (uplink, UL) Hybrid Automatic Repeat (HARQ) for carrier aggregation (carrier aggregation) in OFDMA systems. Request, HARQ) feedback (feedback) c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04L1/1825H04W28/26H04L5/0055H04L5/0094H04L5/001H04L1/1861H04W72/14H04L5/0091H04L5/0053H04L1/1812H04W72/0453H04W28/04
Inventor 廖培凯
Owner HFI INNOVATION INC
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