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Method for relaying data, wireless communication network and relay device

A technology of wireless communication network and relay device, applied in the fields of relay data, wireless communication network and relay device, can solve the problems of unable to adopt fast retransmission system, unable to guarantee bit error rate, affecting network packet re-request, etc.

Inactive Publication Date: 2016-07-13
EMPIRE TECH DEV LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, GSNR optimality cannot guarantee bit error rate (BER)
Also, the EF system cannot adopt the Hybrid Automatic Repeat Request (H-ARQ) fast repeat system built into Long Term Evolution (LTE) and similar standards
Thus, any data error in the EF system may result in packet re-requests affecting network congestion

Method used

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  • Method for relaying data, wireless communication network and relay device
  • Method for relaying data, wireless communication network and relay device
  • Method for relaying data, wireless communication network and relay device

Examples

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Embodiment Construction

[0018] In the following detailed description, there are illustrated accompanying drawings, which form a part of this description. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The exemplary embodiments described in the detailed description, drawings, and claims are not intended to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here. It should be readily understood that aspects of the present disclosure, as generally described herein and illustrated in the accompanying drawings, may be arranged, substituted, combined, separated and designed in a wide variety of different configurations, all of which are expressly contemplated herein.

[0019] In particular, the present disclosure is directed to methods, apparatus, systems, devices and / or computer program products related to combined hard and / or soft relay forwar...

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Abstract

A technique is generally proposed for relay-and-forward systems that combines the data efficiency of soft forwarding for increased generalized signal-to-noise ratio (GSNR) with the ability to use hybrid automatic repeat request (H-ARQ), which can be achieved by using instead of packet Heavy request fixes to keep throughput levels fairly high. A repeater may receive an incoming signal and perform both soft-forwarding and non-repeating hard decoding for the relayed destination within the repeater. The hard decoding results can be locally analyzed for errors to detect suspicious bit errors, and H-ARQ ACK / NACK signals can be sent so that they can be retransmitted before the rolling buffer in the repeater reaches the end of the frame.

Description

Background technique [0001] Unless otherwise indicated herein, the materials described in this section are not admitted to be prior art to the claims in this application by inclusion in this section and are not admitted to be prior art to the claims in this application. [0002] Memoryless relay protocols have become increasingly popular due to their low complexity, small processing latency, and low energy consumption. Such relay protocols can be mainly classified into three types: amplify and forward (AF), detect and forward (DF), and estimate and forward (EF). In general, any implementation (including DF and some AF implementations) that parses symbolic and numeric data before re-encoding and sending it again becomes a "hard" forward due to loss of the original signal. Relay protocols in which signals are retransmitted based on phase and magnitude (including EF and some AF implementations) are known as "soft" forwarding because they can be employed through data reconstructi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/155H04W88/06H04L1/18
CPCH04B7/15557H04L1/1845H04L1/1812H04L2001/0097H04L1/18
Inventor E·克鲁格里克
Owner EMPIRE TECH DEV LLC
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