TW200735613A - Method and apparatus for securing wireless communications - Google Patents

Method and apparatus for securing wireless communications

Info

Publication number
TW200735613A
TW200735613A TW095141051A TW95141051A TW200735613A TW 200735613 A TW200735613 A TW 200735613A TW 095141051 A TW095141051 A TW 095141051A TW 95141051 A TW95141051 A TW 95141051A TW 200735613 A TW200735613 A TW 200735613A
Authority
TW
Taiwan
Prior art keywords
message
watermark
cover
symbols
message symbols
Prior art date
Application number
TW095141051A
Other languages
Chinese (zh)
Inventor
Sung-Hyuk Shin
Yogendra Shah
Prabhakar R Chitrapu
Alain Charles Louis Briancon
Original Assignee
Interdigital Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200735613A publication Critical patent/TW200735613A/en

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

A method and apparatus for securing wireless communications are disclosed. A watermark message is encoded to watermark message symbols. A cover message is encoded to cover message symbols. The watermark message symbols are then overlaid onto the cover message symbols to generate a watermark-embedded cover message in a physical layer. The watermark message symbols have a substantially lower amplitude than the cover message symbols. Thus, the watermark message introduces small perturbation around the constellation points of the cover message symbols. The watermark message symbol may span or spread over a plurality of cover message symbols and may be encrypted with a secret key. The watermark message is used for improving receiver performance by transmitting additional information or for security enhancement purposes. The watermarking function may be selectively turned on and off.
TW095141051A 2005-04-26 2006-04-26 Method and apparatus for securing wireless communications TW200735613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67484205P 2005-04-26 2005-04-26

Publications (1)

Publication Number Publication Date
TW200735613A true TW200735613A (en) 2007-09-16

Family

ID=45074573

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095141051A TW200735613A (en) 2005-04-26 2006-04-26 Method and apparatus for securing wireless communications
TW95114979A TWI330486B (en) 2005-04-26 2006-04-26 Method and apparatus for securing wireless communications

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW95114979A TWI330486B (en) 2005-04-26 2006-04-26 Method and apparatus for securing wireless communications

Country Status (1)

Country Link
TW (2) TW200735613A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140054381A (en) * 2011-09-30 2014-05-08 인텔 코오퍼레이션 Media content rating management with pattern matching

Also Published As

Publication number Publication date
TW200642407A (en) 2006-12-01
TWI330486B (en) 2010-09-11

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