Integrated design of adaptive receivers and CDMA/PRMA multimedia medium access scheme

Author

Hoefel, Roger Pierre Fabris ; Cavalcanti, Francisco Rodrigo Porto

Author_Institution

State Univ of Campinas, Sao Paulo, Brazil

Volume

6

fYear

2000

fDate

2000

Firstpage

2876

Abstract

As packet-mode communications become prevalent in upcoming generations of wireless communications systems, the need to investigate the performance of advanced adaptive signal processing techniques in such a context becomes exigent. We evaluate the impact of some of these schemes, namely the adaptive antenna, the adaptive equalization and the decorrelator multiuser detector, in a comparative performance assessment of an uplink joint CDMA/PRMA and a CDMR/ALOHA protocol. Besides the single resource allocation policy for voice-only traffic, the use of multislot and multicode multirate approaches for continuous bit rate (CBR) and variable bit rate video (VBR) traffic transmission is considered. The presented results permit one to analyze the tradeoffs existing between performance and complexity among the different options, allowing then for an integrated design of the medium access control protocols and advanced receiver algorithms

Keywords

access protocols; adaptive antenna arrays; adaptive equalisers; adaptive signal processing; code division multiple access; decorrelation; multimedia communication; multiuser channels; packet radio networks; packet reservation multiple access; radio receivers; signal detection; telecommunication traffic; visual communication; voice communication; CBR; CDMA/PRMA multimedia medium access; CDMR/ALOHA protocol; VBR; adaptive antenna; adaptive equalization; adaptive receivers; adaptive signal processing; complexity; continuous bit rate; decorrelator multiuser detector; integrated design; medium access control protocols; multicode multirate approach; multislot approach; packet-mode communications; performance assessment; receiver algorithms; resource allocation; uplink; variable bit rate; video traffic transmission; voice-only traffic; wireless communications systems; Adaptive arrays; Adaptive equalizers; Adaptive signal processing; Algorithm design and analysis; Bit rate; Context; Decorrelation; Multiaccess communication; Signal generators; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2000. IEEE-VTS Fall VTC 2000. 52nd

Conference_Location

Boston, MA

ISSN

1090-3038

Print_ISBN

0-7803-6507-0

Type

conf

DOI

10.1109/VETECF.2000.886843

Filename

886843