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    • 46. 发明申请
    • METHOD AND SYSTEM FOR TRANSMISSION OF HEADERLESS DATA PACKETS OVER A WIRELESS LINK
    • 用于无线链路传输无头数据包的方法和系统
    • WO0245357A2
    • 2002-06-06
    • PCT/CA0101631
    • 2001-11-26
    • ERICSSON TELEFON AB L MLUPIEN FRANCISSAMMOUR MOHAMMED
    • LUPIEN FRANCISSAMMOUR MOHAMMED
    • H04L12/56H04L29/06
    • H04W28/06H04L69/04
    • Headerless (i.e., zero byte) data packets are sent by a compressor over a radio bearer. The radio bearer includes a synchronized wireless link. A sequential timer-based value is associated with each of the headerless data packets. A decompressor generates a header based on the sequential timer-based value associated with a given received headerless data packet. A data packet having a compressed header is sent periodically over the synchronized wireless link. The data packet having the compressed header can also be sent when the compressor detects changes in slowly-varying header fields, in response to feedback received from the decompressor indicating that a decompression context is out of synchronization and/or just before talk spurts occur.
    • 无头(即零字节)数据分组由压缩器通过无线承载发送。 无线承载包括同步的无线链路。 基于顺序的基于定时器的值与每个无标头数据分组相关联。 解压缩器基于与给定的接收到的无标题数据分组相关联的基于顺序的基于定时器的值来生成报头。 经过同步的无线链路周期性地发送具有压缩报头的数据分组。 当压缩器检测到缓慢变化的报头字段中的变化时,还可以发送具有压缩报头的数据分组,响应于从解压缩器接收到的反馈,指示解压缩上下文不同步和/或刚好在通话发生之前。