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Harq-ack是什么的缩写

Web在5G NR种, 3GPP规范定义了HARQ码本,为了在进行下行数据传输时向基站提供反馈。. UE在PUSCH/PUCCH中发送 ACK/NACK用于相应的PDSCH。. 1. 每传输块(TB:Transport Block),需要一位 HARQ 反馈;. 2. 每UE支持多个 HARQ过程 (最多支持16),但每HARQ都必须有单独的反馈过程。. 3 ... Web通过上层的配置,LTE TDD支持两种模式的上行HARQ报告:. (1): ACK/NACK Bundling。. 多个ACK/NACK通过逻辑与运算生成上行子帧中一个Bit的ACK(或NACK),逻辑与运算是针对下行子帧中的每个MIMO Codeword来进行的。. 对于空间复用中两个CodeWord的情况,则会在上行子帧中生成 ...

LTE:上行HARQ(一)_金辉_LTE_新浪博客

WebHARQ-ACK是下列哪个的缩写 () A:Hybridautomaticrepeatrequestacknowledgement. B:Hybridautomaticrequestacknowledgement. C:1.81.下列关于HARQ-ACK码本的 … WebAug 24, 2024 · 粉丝:3460 文章:602. 关注. 在5G NR种, 3GPP规范定义了HARQ码本,为了在进行下行数据传输时向基站提供反馈。. UE在PUSCH/PUCCH中发送 ACK/NACK用于相应的PDSCH。. 5G HARQ支持以下特点:. 1. 每传输块(TB:Transport Block),需要一位 HARQ 反馈;. 2. 每UE支持多个 HARQ过程 (最多 ... gabby bricker https://sanda-smartpower.com

LTE里面的那个ACK/NACK信息是什么东西_百度知道

WebHARQ-ACK (even high-priority HARQ-ACK) piggybacked on PUSCH will be dropped due to inter-UE multiplexing, which leads to numerous of re-transmissions and spectral efficiency degradation. Proposal 1: Indicate a set of k values where one k value for one SPS transmission . in a time window configured by RRC. RRC configures one or more sets of … WebDec 16, 2024 · Type-2 HARQ-ACK Codebook: A dynamic codebook or enhanced dynamic codebook (Release 16 onwards). This is more optimized since UE sends feedback only … Web在一个时隙内为harq-ack传输启用多个pucch是有益的,因为它可以启用快速harq-ack反馈,以减少时延并促进针对urllc和embb的单独harq-ack反馈。结论是,r16应支持一个时隙内用于harq-ack传输的多个pucch。所以就需要符号级、半时隙反馈时间。 得出的结论是,至少 … gabby brian update

5G NR HARQ操作机制 - 哔哩哔哩

Category:PUSCH HARQ-ACK Detection Conformance Test - MATLAB

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Harq-ack是什么的缩写

NR - HARQ-ACK比特数确定 - 掘金 - 稀土掘金

WebHARQ的最小RTT(Round Trip Time)定义为一次数据包传输过程的完成时间,包括从一个数据包在发送端开始发送,接收端接收处理后,根据结果反馈ACK/NACK信令,发送端 …

Harq-ack是什么的缩写

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WebNov 19, 2024 · HARQ(Hybrid Automatic Repeat Request ) 混合自动重传请求,它的关键词是存储、请求重传、合并解调。. 接收方在解码失败的情况下,保存接收到的数据,并要求发送方重传数据,接收方将重传的数据和先前接收到的数据进行合并后再解码。. 这里面就有 … WebHARQ Entity/Process . HARQ(Hybrid ARQ) is pretty complicated process and not easy to understand in very detail, but it would be helpful if you have some big picture of this process. (Describing this process in very detail …

Web通过前面的HARQ-ACK反馈的概述可知,该方式通过在下行调度DCI中增加DAI(Downlink Assignment Indicator)field来辅助UE进行HARQ-ACK反馈,该field的物理含义是对在同 … WebPUSCH HARQ-ACK Detection Conformance Test. This example shows how to measure the false detection probability and missed detection probability of Hybrid Automatic Repeat Request ACK (HARQ-ACK) multiplexed on the Physical Uplink Shared Channel (PUSCH) using the LTE Toolbox™ under conformance test conditions as defined in TS36.104, …

WebA User Equipment (UE) for operation in a fifth-generation new radio (5G NR) network is configured to provide hybrid automatic repeat request acknowledge (HARQ-ACK) feedback for reception of single-cell broadcast- multicast service (MBS) transmissions from a generation Node B (gNB) via a physical downlink shared channel (PDSCH) (i.e., … Web무선 통신 시스템에서 HARQ ACK/NACK 보고를 위한 방법 및 이를 위한 장치. 본 발명은 무선 통신 시스템에 관한 것으로서, 구체적으로 HARQ ACK/NACK 보고를 위한 방법 및 이를 위한 장치에 관한 것이다. 더욱 많은 통신 기기들이 더욱 큰 통신 용량을 요구하게 됨에 따라 ...

Web(1): ACK/NACK Bundling。多个ACK/NACK通过逻辑与运算生成上行子帧中一个Bit的ACK(或NACK),逻辑与运算是针对下行子帧中的每个MIMO Codeword来进行的。对 …

Web同时支持2个harq-ack码本. release16规定了支持两个不同优先级的harq-ack码本同时构造,主要有利于提高优先级较高业务的可靠性。两个harq-ack码本中的每一个可以是基于时隙的harq-ack码本或基于子时隙的harq-ack码本。不同的harq-ack码本支持单独的pucch配置。该功能支持 ... gabby bernalWebMar 22, 2013 · 前面已经介绍过,在LTE中,上行使用同步HARQ,但重传可以是自适应的,也可以是非自适应的。. 上行HARQ使用同步(synchronous)、非自适应(non-adaptive ... gabby brian laundryWebHARQ Proc 2: CW0: Initial transmission passed (RV=0,CR=0.481509). Slot 100. HARQ Proc 3: CW0: Initial transmission failed (RV=0,CR=0.481509). BLER Results. Calculate the BLER and the throughput (percentage of successfully received transport blocks). To provide statistically meaningful results, run this simulation for many transport blocks. gabby brian caseWebMay 21, 2024 · UE报告解码的PDSCH的HARQ-ACK反馈。UE可以配置为上报每个传输块(TB)的一个HARQ-ACK比特,而如果UE配置为基于CBG的PDSCH传输,则UE上报每个码块组(CBG:code block group)的一个HARQ-ACK比特。CBG是由TB组成的一组码块,其中对每个码块应用信道编码。 gabby broussardWebJul 13, 2024 · 在这种情况下,harq ack/nack作为一个简短而有效的消息在phich上进行。nr支持异步harq。为了支持异步harq,对于gnb来说,一个简单的解决方案是通过pdcch … gabby buckmanWebThe transmission and reception process involves transmitting data, receiving ACK or NACK, and performing retransmissions if necessary. The whole procedure (transmission, reception and ack/nack reporting, retransmission) is done by a speciall … HARQ ACK Codebook . This is one of the complicated topics (at least to me) in … HARQ Process . See HARQ Process in Basic Procedure page . LTE Quick … HARQ Process for Downlink of LTE-NB(M2) is similar to legacy LTE except that each … After UE completed the reception of PDSCH, it cannot send HARQ … gabby britoWebMar 17, 2024 · mac--harq[通俗易懂]lte中存在两种级别的重传机制:mac层的harq,以及rlc层的arq(am模式)。其主要作用的是mac层的harq,而rlc的arq是作为一种补充手段而存在的。ps:harq机制的目标在于实现非常快速的重传,其反馈出错率大概在1%左右。对于某些业务,如tcp传输(要求丢包率小于10-6),harq反馈的出错率 ... gabby bryce hall snapchat