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公开(公告)号:US07099622B2
公开(公告)日:2006-08-29
申请号:US10399251
申请日:2001-10-29
申请人: Michael Meyer , Joachim Sachs , Stefan Wager , Reijo Matinmikko , Toomas Wigell , Janne Peisa , Edwin Van Der Pol
发明人: Michael Meyer , Joachim Sachs , Stefan Wager , Reijo Matinmikko , Toomas Wigell , Janne Peisa , Edwin Van Der Pol
IPC分类号: H04B7/15
摘要: In a UMTS Terrestrial Radio Access Network (UTRAN), a method of switching from a current common channel to a dedicated channel for a UE. The method comprises estimating the round trip delay for data packets travelling between the UE and a peer node with which the UE is communicating. The product of the estimated round trip delay and the bandwidth of the common channel or the dedicated channel is determined and a threshold defined on the basis of that product. A switch from the common channel to a dedicated channel is initiated when the fill level of the RLC buffer(s) in the UTRAN for the UE reaches or exceeds said threshold.
摘要翻译: 在UMTS陆地无线电接入网络(UTRAN)中,一种从当前公共信道切换到用于UE的专用信道的方法。 该方法包括估计在UE与UE正在通信的对等节点之间行进的数据分组的往返行程延迟。 确定估计的往返延迟和公共信道或专用信道的带宽的乘积以及基于该乘积定义的阈值。 当用于UE的UTRAN中的RLC缓冲器的填充级别达到或超过所述阈值时,启动从公共信道到专用信道的切换。
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公开(公告)号:US07382732B2
公开(公告)日:2008-06-03
申请号:US10485919
申请日:2002-08-16
IPC分类号: H04L12/28
CPC分类号: H04W28/14 , H04L1/1812 , H04L1/1835 , H04L1/1845 , H04L47/10 , H04L2001/0092 , H04W36/26 , H04W72/1242 , H04W72/1252
摘要: The present invention provides flow control for route switching in a communications system using retransmissions. It is well suited for a cellular mobile radio communications system, particularly a Universal Mobile Telecommunications System, UMTS.
摘要翻译: 本发明提供了使用重发的通信系统中的路由切换的流控制。 它非常适用于蜂窝移动无线电通信系统,特别是通用移动电信系统UMTS。
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公开(公告)号:US06901065B1
公开(公告)日:2005-05-31
申请号:US09678717
申请日:2000-10-04
申请人: Björn Ehrstedt , Jouko Hyväkkä , Charles Lignell , Reijo Matinmikko , Janne Peisa , Osmo Pulkkinen , Carl Göran Schultz , Raul Söderström , Stefan Henrik Andreas Wager , Toomas Wigell
发明人: Björn Ehrstedt , Jouko Hyväkkä , Charles Lignell , Reijo Matinmikko , Janne Peisa , Osmo Pulkkinen , Carl Göran Schultz , Raul Söderström , Stefan Henrik Andreas Wager , Toomas Wigell
CPC分类号: H04W72/1242 , H04W92/22
摘要: A method of scheduling packets for transmission over the air interface of a UMTS Terrestrial Radio Access Network (UTRAN) in the case where a pair of Radio Network Controllers (RNCs) are acting as separate serving and controlling (drift) RNCs for a mobile terminal. The method comprises sending from the controlling RNC to the serving RNC, allocated scheduling priorities together with packet sizes accepted for transmission with those priorities by the controlling RNC. Subsequently the serving RNC send to the controlling RNC, packets of sizes accepted by the serving RNC together with respective allocated priorities.
摘要翻译: 在一对无线电网络控制器(RNC)用作用于移动终端的单独的服务和控制(漂移))RNC的情况下,调度分组以在UMTS陆地无线电接入网络(UTRAN)的空中接口上传输的方法。 该方法包括从控制RNC向服务RNC发送分配的调度优先级以及由控制RNC接收到具有这些优先级的传输的分组大小。 随后,服务RNC向控制RNC发送由服务RNC接受的大小的分组以及相应分配的优先级。
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公开(公告)号:US06850540B1
公开(公告)日:2005-02-01
申请号:US09698785
申请日:2000-10-27
CPC分类号: H04Q11/0478 , H04L12/5601 , H04L47/10 , H04L47/14 , H04L47/30 , H04L47/32 , H04L47/39 , H04L49/90 , H04L2012/5632 , H04L2012/5656 , H04W72/1236
摘要: Methods, systems, and arrangements enable packet scheduling in accordance with quality of service (QoS) constraints for data flows. In a Universal Mobile Telecommunications System (UMTS) network environment, for example, a Medium Access Control (MAC) layer schedules packet transmission of various data flows to meet stipulated criteria, including permitted transport format combinations (TFCs) from a TFC set (TFCS). In first embodiment(s), the TFC is selected based on guaranteed rate transmission rates, weighted fair queuing (WFQ) transmission rates, QoS class, transport block set size (TBSS), and optionally queue fill levels. These first embodiment(s) also further refine the selection process using backlog memories corresponding to previously unmet guaranteed and/or fair transmission rates. In second embodiment(s), memory requirements are reduced by selecting a TFC based on guaranteed rate transmission rates, QoS class, TBSS, and queue fill levels, without accommodating backlogs.
摘要翻译: 方法,系统和布置使得能够根据数据流的服务质量(QoS)约束来进行分组调度。 在通用移动通信系统(UMTS)网络环境中,例如,介质访问控制(MAC)层对各种数据流进行分组传输以满足规定的标准,包括来自TFC组(TFCS)的允许的传输格式组合(TFC) 。 在第一实施例中,基于保证速率传输速率,加权公平排队(WFQ)传输速率,QoS类别,传输块集大小(TBSS)和可选的队列填充级别来选择TFC。 这些第一实施例还使用与先前未满足的保证和/或公平传输速率相对应的备用存储器进一步改进选择过程。 在第二实施例中,通过基于保证的速率传输速率,QoS类别,TBSS和队列填充级别选择TFC来减少存储器需求,而不需要容纳积压。
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