发明名称 |
Method and device of generating time-varying preamble sequence and pseudorandom noise (PN) binary sequence in direct sequence spread spectrum (DSSS) communications |
摘要 |
Embodiments of the disclosure provide methods, apparatus, and articles allowing two nodes to communicate in a slot-based direct sequencing spreading communication system. Both a preamble sequence and a payload data spreading PN sequence are generated from the Time of Day and a given user code. Generated sequences are synchronized between two communicating nodes to allow slot-based DSSS communication to take place. Generated sequences also change dynamically from slot to slot to provide waveform security. |
申请公布号 |
US8254362(B2) |
申请公布日期 |
2012.08.28 |
申请号 |
US20080971429 |
申请日期 |
2008.01.09 |
申请人 |
WANG XINYU;ELGORRIAGA IGOR;GAHLER MARCUS R.;HIGGINS ROBERT P.;POBEREZHSKIY YEFIM;NORRIS PAUL R.;HATLEY BRIAN J.;FOSTER MICHAEL S.;THE BOEING COMPANY |
发明人 |
WANG XINYU;ELGORRIAGA IGOR;GAHLER MARCUS R.;HIGGINS ROBERT P.;POBEREZHSKIY YEFIM;NORRIS PAUL R.;HATLEY BRIAN J.;FOSTER MICHAEL S. |
分类号 |
H04J3/02 |
主分类号 |
H04J3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|