Radio link control (RLC) acknowledged mode (AM) data reception

Radio link control (RLC) acknowledged mode (AM) data reception

Described are methods, systems and devices for eliminating redundant retransmissions in radio link layer (RLC) acknowledged mode (AM) data transmissions and receptions. In some embodiments, when an RLC service data unit (SDU) has not been completely received, the value of a state variable may be sel...

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Hauptverfasser: HUANG HE, SHI ZONGKUN, ZOU WEI
Format: Patent
Sprache:chi ; eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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SHI ZONGKUN
ZOU WEI
description Described are methods, systems and devices for eliminating redundant retransmissions in radio link layer (RLC) acknowledged mode (AM) data transmissions and receptions. In some embodiments, when an RLC service data unit (SDU) has not been completely received, the value of a state variable may be selectively set based on whether or not a contiguous set of byte segments of the RLC SDU have been received. This prevents the retransmission of byte segments that are either currently being transmitted or have not yet been transmitted. In other embodiments, the selective setting of the state variablemay be triggered by the expiration of a reassembly timer. The described implementations may improve the data transmission of RLC SDUs in high data rate scenarios, which may be ubiquitous in 5G implementations. 描述了用于消除无线链路层(RLC)确认模式(AM)数据传输和接收中的冗余重传的方法、系统和设备。在一些实施例中，当RLC服务数据单元(SDU)尚未被完全接收时，基于RLC SDU的连续一组字节段是否已经被接收，状态变量的值可以选择地进行设置。这防止当前正被传送的或尚未被传送的字节段的重传。在其它实施例中，状态变量的选择性设置可以由重组定时器的到期所触发。所描述的实施方式可以改进5G实施方式中会普遍存在的高数据速率场景中RLC
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In some embodiments, when an RLC service data unit (SDU) has not been completely received, the value of a state variable may be selectively set based on whether or not a contiguous set of byte segments of the RLC SDU have been received. This prevents the retransmission of byte segments that are either currently being transmitted or have not yet been transmitted. In other embodiments, the selective setting of the state variablemay be triggered by the expiration of a reassembly timer. The described implementations may improve the data transmission of RLC SDUs in high data rate scenarios, which may be ubiquitous in 5G implementations. 描述了用于消除无线链路层(RLC)确认模式(AM)数据传输和接收中的冗余重传的方法、系统和设备。在一些实施例中，当RLC服务数据单元(SDU)尚未被完全接收时，基于RLC SDU的连续一组字节段是否已经被接收，状态变量的值可以选择地进行设置。这防止当前正被传送的或尚未被传送的字节段的重传。在其它实施例中，状态变量的选择性设置可以由重组定时器的到期所触发。所描述的实施方式可以改进5G实施方式中会普遍存在的高数据速率场景中RLC</description><language>chi ; eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; WIRELESS COMMUNICATIONS NETWORKS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20200814&amp;DB=EPODOC&amp;CC=CN&amp;NR=111543079A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20200814&amp;DB=EPODOC&amp;CC=CN&amp;NR=111543079A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUANG HE</creatorcontrib><creatorcontrib>SHI ZONGKUN</creatorcontrib><creatorcontrib>ZOU WEI</creatorcontrib><title>Radio link control (RLC) acknowledged mode (AM) data reception</title><description>Described are methods, systems and devices for eliminating redundant retransmissions in radio link layer (RLC) acknowledged mode (AM) data transmissions and receptions. 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ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title Radio link control (RLC) acknowledged mode (AM) data reception
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