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1. 发明授权

US06975599B1 Rate adaptive payload transmission for local area networks 有权
标题翻译：对局域网进行速率自适应有效载荷传输
公开(公告)号：US06975599B1
公开(公告)日：2005-12-13
申请号：US09869421
申请日：2000-10-26
申请人： Ian Johnson , Zhimin Shao , Michael Lawton
发明人： Ian Johnson , Zhimin Shao , Michael Lawton
IPC分类号： H04L1/16 , H04L1/00 , H04L1/18 , H04L12/28 , H04L29/08 , H04Q7/38 , H04B7/005
CPC分类号： H04L1/18 , H04L1/0002 , Y02D50/10
摘要： A method of communication between computing entities in a local area network operating an CSMA protocol in an environment where reflections of omni-directional transmissions from a plurality of objects cause multi-path fading includes data packets being transmitted having a header at a first, lower data rate, followed by transmission of payload data at a second, higher data rate. Where the packets are not confirmed to be received, the packet is retransmitted a predetermined number of times before the transmitting entity reduces the payload data rate of the packet and retransmits the packet. If the retransmitted lower payload data rate packet is not confirmed to be received within the predetermined number of transmissions at the lower rate, the packet is dropped.
摘要翻译：在来自多个对象的全向传输的反射引起多径衰落的环境中操作CSMA协议的局域网中的计算实体之间的通信方法包括正在发送的数据分组，其具有在第一较低数据速率，随后以第二较高数据速率传输有效载荷数据。在分组未被确认接收的情况下，在发送实体减少分组的有效载荷数据速率并重传分组之前，重传数据包预定次数。如果重传的较低有效载荷数据速率分组未被确认为以较低速率在预定数量的传输中被接收，则分组被丢弃。

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