Patent ID: 9008195
Filing Date: 2015-04-14
Classification: H04L

Abstract:
1. A method comprising: generating an indicator of detection of a predetermined sequence in a sequence of received samples based on a first energy estimate corresponding to a first sequence of received samples, a second energy estimate corresponding to a second sequence of received samples, a first threshold level, a second threshold level, and a plurality of predetermined sequences, the generating comprising: generating a first matched filter output based on samples of a packet identification sequence and a first predetermined sequence of the plurality of predetermined sequences, the first predetermined sequence corresponding to a first of a plurality of packet types; and generating a second matched filter output based on the samples of the packet identification sequence and a second predetermined sequence of the plurality of predetermined sequences, the second predetermined sequence corresponding to a second of the plurality of packet types, wherein the detecting the predetermined sequence is further based on a comparison of the first matched filter output to the second matched filter output.