发明授权
US07082103B2 Subscriber terminal, network controller and communication system for performing packet data transfer with reduced delay
有权
用户终端，网络控制器和通信系统，用于以更短的延迟进行数据包传输
- 专利标题： Subscriber terminal, network controller and communication system for performing packet data transfer with reduced delay
- 专利标题（中）： 用户终端，网络控制器和通信系统，用于以更短的延迟进行数据包传输
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申请号： US09809071申请日： 2001-03-16
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公开(公告)号： US07082103B2公开(公告)日： 2006-07-25
- 发明人: Andreas Schieder , Tobias Ley , Uwe Horn , Michael Meyer
- 申请人： Andreas Schieder , Tobias Ley , Uwe Horn , Michael Meyer
- 申请人地址： SE Stockholm
- 专利权人： Telefonaktiebolaget LM Ericsson (publ)
- 当前专利权人： Telefonaktiebolaget LM Ericsson (publ)
- 当前专利权人地址： SE Stockholm
- 代理机构： Nixon & Vanderhye, P.C.
- 优先权： EP00106925 20000331
- 主分类号： G01R31/08
- IPC分类号： G01R31/08
摘要：
In a communication system (SYS) in which a packet data transfer is performed between the network side (NS) and the subscriber terminal side (SS) a physical connection (LC) is maintained during the data packet transfer. An active period detector (AP-DET) detects an active period of data packet generation by evaluating the inter-arrival time (TDIFF) between successively arriving data packets (DP). If the inter-arrival time (TDIFF) falls within a predetermined range a physical connection maintaining device (LC-MAIN) maintains the physical connection (LC) even if a transmitter queue (TR-QUE) temporarily becomes empty. Therefore, within the active period (AP) the transmitter (NS-TR; SS-TR) indicates a non-empty queue. The invention finds particular application in the GPRS/(E)GPRS/GSM environment.