HARQ

HARQ is the main error correcting technology on CDMA wireless channel .

混合式自动重传请求（HARQ）已成为CDMA无线信道上差错控制的主要技术。

The hybrid automatic repeat request ( HARQ ) is an effective mechanism to keep the reliable communication .

混合自动请求重传机制是确保数据通信可靠传输的有效方法。

To perform requested transmissions , the MAC layer receives HARQ information from lower layers .

为了执行被请求的传输，MAC层从低层接收HARQ信息。

Various advanced wireless communication technologies will be applied in this system such as Hybrid Automatic Repeat Request ( HARQ ) .

各种先进的无线传输技术即将在该系统中得到应用，包括混合自动重传请求（HARQ）技术。

Several kinds of FEC and HARQ schemes are analyzed , and the principles of OFDM system are summarized .

本文分析了OFDM系统中采用的几种FEC和混合ARQ（HARQ）机制的性能，并总结了OFDM系统中的差错控制原则。

A network coding-based hybrid ARQ ( HARQ ) algorithm is proposed for video broadcast over wireless networks .

提出一种基于网络编码的无线视频流混合自动重传（HARQ）方法。

This paper discusses the application of link autoadaptation technology ( related to AMC and HARQ ) in HSDPA .

讨论了其中自适应调制编码（AMC）和混合重传（HARQ）等关键技术的链路自适应技术在HSDPA中的应用。

A new hybrid automatic repeat request ( HARQ ) system is constructed by combining the sub-packet scheme with the averaged diversity combining technique .

将分块传输系统和码合并技术相结合构造了新型HybridAutomaticRepeatreQuest（HARQ）系统。

A new incremental redundancy hybrid automatic repeat request ( HARQ ) scheme based on the characters of rate compatible punctured turbo codes is proposed .

本文根据速率兼容打孔turbo码的特性，提出了一种新的混合自动重传请求（HARQ）的递增冗余方法。

Hybrid automatic repeat request ( HARQ ) protocol is always used for reliable high rate wireless services for the purpose of improving throughput and decoding efficiency of communication systems .

为提高系统的通过率及译码效率，高速可靠数据传输系统采用混合ARQ方案。

Asynchronous HARQ implies that transmission for a certain HARQ process may occur at any time so that the explicit signaling of the HARQ process number is required .

异步HARQ进程的传输可以发生在任何时刻，HARQ进程的处理序号需要连同数据一起发送。

Reed-Solomon ( RS ) code based non-binary type-II hybrid automatic-repeat-request ( HARQ ) was proposed to overcome the shortcomings of low throughput for the binary scenario .

针对二进制第Ⅱ类混合自动请求重传差错控制系统流量偏低的问题，提出了基于Reed-Solomon（RS）码的多进制混合自动请求重传方案。

Hybrid automatic repeat request ( HARQ ) technology which combines the advantage of forward error correction ( FEC ) and feedback repeat request ( ARQ ) can improve the system reliability by using retransmission and error correction mechanisms .

混合自动重传请求（HARQ）技术结合了前向纠错（FEC）和反馈重发（ARQ）这两类方法的优点，利用重传和纠错机制，提高系统的可靠性。

A syndrome-based type-I Hybrid ARQ ( HARQ ) is proposed , where Reed-Solomon code is selected to be the FEC subsystem and the error-detection function is embedded ably in the decoding process .

基于校正子的计算提出了一种第一类混合ARQ（HARQ）方案，该HARQ采用Reed-Solomon（RS）码作为纠错子系统，将检错功能巧妙融于译码过程中。

Hybrid automatic repeat request ( HARQ ) technology is able to compensate the influence on signal transmission caused by time varying of the wireless channel and multipath fading , has been widely used in the B3G system ( such as LTE ) .

混合自动重传请求（HARQ）技术能够很好地弥补无线信道时变和多径衰落对信号传输造成的影响，已在B3G系统（如LTE）中得到了广泛的应用。

In fading and shadowing channels , error control techniques are used for the reliable transmission . As a combination of forward error correction and automatic repeat request ( ARQ ), Hybrid ARQ ( HARQ ) protocol provides both of the advantages .

为了保证数据在无线衰落信道条件下的可靠传输，产生了联合前向纠错编码（FEC）与自动请求重传（ARQ）的混合ARQ（HARQ）技术。

The optimization of mapping rule in hybrid ARQ ( HARQ ) protocol of high speed downlink packet access ( HSDPA ) system is presented , especially for full incremental redundancy ( FIR ) and partial incremental redundancy ( PIR ) with high rate Turbo code .

针对高速下行分组接入（HSDPA）系统中的混合重传（HARQ）协议，提出适用于高码率Turbo码的全增余（FIR）和部分增余（PIR）型的映射准则优化方法。

In this paper , an enhancement HARQ ( E-HARQ ) method for TD-SCDMA supporting HSDPA techniques is proposed firstly . The basic idea is to discard the retransmission and change the modulation and coding when the link quality is lower than a pre-determined threshold .

首先提出了一种基于TD-SCDMAHSDPA系统的增强型HARQ（E-HARQ）技术，其基本思想是当链路质量比预置门限低时放弃重传并且改变调制和编码。

The research has focused on the physical layer and MAC layer , relating to the physical layer structure , the MAC-layer structure , Node B fast scheduling , Hybrid automatic repeat request ( HARQ ), transmission of the short frame , the soft handover , E-TFC selection .

研究集中在物理层和MAC层，涉及到物理层的结构、MAC层结构、NODEB控制的调度、混合自动请求重传（HARQ）、短帧传输、软切换、E-TFC的选择等。