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- Title
Adaptive reference code-based MAI cancellation for DS-CDMA.
- Authors
Won, Jong Mook; Kim, Jung Soo; Kim, W. M.
- Abstract
A computationally efficient and practically deployable adaptive reference code-based multiple access interference (MAI) cancellation scheme, in which the conventional transmitter/receiver architecture is minimally modified only at the receiver (and/or transmitter) end, is proposed for direct sequence code division multiple access (DS-CDMA) communication. Upon numerical and theoretical analyses, the proposed communications system is seen to always outperform the existing conventional communications system. The theoretical analyses and results as presented are generally useful and applicable to any situation wherein IS95 pseudo noise (PN) codes are employed towards multiple access. Copyright © 2009 John Wiley & Sons, Ltd. Observation 2: (MAI Equation) For arbitrary integer , primitive polynomial , , and complex numbers: , , in reference to , has the following properties: In Observation 1.1: . Observation 1.2 follows from Observation 1.1 by setting . Observation 2: (MAI Performance of ) Proof. The above propositions are easily proved by noting that is a decreasing function.
- Subjects
TELECOMMUNICATION systems; CODING theory; CODE division multiple access; TRANSMITTERS (Communication); POLYNOMIALS; MULTIPLE access protocols (Computer network protocols); COMPUTER networks
- Publication
Wireless Communications & Mobile Computing, 2010, Vol 10, Issue 11, p1470
- ISSN
1530-8669
- Publication type
Article
- DOI
10.1002/wcm.835