发明授权
- 专利标题: Enhanced carrier sense multiple access (CSMA) protocols
- 专利标题(中): 增强载波侦听多路访问(CSMA)协议
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申请号: US13593428申请日: 2012-08-23
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公开(公告)号: US09030932B2公开(公告)日: 2015-05-12
- 发明人: Kumaran Vijayasankar , Ramanuja Vedantham , Anand G. Dabak
- 申请人: Kumaran Vijayasankar , Ramanuja Vedantham , Anand G. Dabak
- 申请人地址: US TX Dallas
- 专利权人: Texas Instruments Incorporated
- 当前专利权人: Texas Instruments Incorporated
- 当前专利权人地址: US TX Dallas
- 代理商 Steven A. Shaw; Frank D. Cimino
- 主分类号: H04L12/413
- IPC分类号: H04L12/413 ; H04B3/54
摘要:
Systems and methods for enhanced carrier sense multiple access (CSMA) protocols are described. In various implementations, these systems and methods may be applicable to Power Line Communications (PLC). For example, a method may include attempting to access a communications channel to transmit a frame after a backoff time proportional to a randomly generated number within a contention window (CW), the CW having an initial value carried over from a previous transmission of a different frame. Additionally or alternatively, some of techniques described herein may facilitate the spreading of the time over which devices attempt to transmit packets, thereby reducing the probability of collisions using, for example, Additive Decrease Multiplicative Increase (ADMI) mechanisms.
公开/授权文献
- US20130049939A1 Enhanced Carrier Sense Multiple Access (CSMA) Protocols 公开/授权日:2013-02-28