Invention Grant
US07809020B2 Start of packet detection for multiple receiver combining and multiple input multiple output radio receivers
有权
多个接收机组合和多输入多输出无线电接收机的分组检测开始
- Patent Title: Start of packet detection for multiple receiver combining and multiple input multiple output radio receivers
- Patent Title (中): 多个接收机组合和多输入多输出无线电接收机的分组检测开始
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Application No.: US11757878Application Date: 2007-06-04
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Publication No.: US07809020B2Publication Date: 2010-10-05
- Inventor: Bretton Lee Douglas , Brian D. Hart , Fred J. Anderson , Paul J. Stager , Gregory M. Corsetto
- Applicant: Bretton Lee Douglas , Brian D. Hart , Fred J. Anderson , Paul J. Stager , Gregory M. Corsetto
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Inventek
- Agent Dov Rosenfeld
- Main IPC: H04J3/06
- IPC: H04J3/06
Abstract:
A method and an apparatus for detecting the start-of-packet in a wireless receiver operating in a packetized wireless network. One method embodiment includes calculating a plurality of start of packet (SOP) indicators, each for one or more of a plurality of receive chains in the receiver; determining one or more linear combinations of respective pluralities of the calculated SOP indicators to form one or more combined SOP indicators; comparing each of a plurality of SOP indicators or combined SOP indicators, including at least one of the combined SOP indicators to a respective threshold to form one or more respective SOP events; and, in the case there is more than one SOP event, determining a logic function of the SOP events to form a SOP decision event.
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