The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 32-383
Full Name: Panagiotis Varzakas
Position: Assistant Professor
Age: ON
Sex: Male
Address: 3o Km Old Road Lamia-Athens
Country: GREECE
Tel:
Tel prefix:
Fax:
E-mail address: pvarzakas@teilam.gr
Other E-mails:
Title of the Paper: Radio capacity optimization of a single-cell adaptive rate hybrid ds/ffh-cdma system under rayleigh fading conditions
Authors as they appear in the Paper: Panagiotis Varzakas
Email addresses of all the authors: pvarzakas@teilam.gr
Number of paper pages: 10
Abstract: An adaptive rate hybrid direct-sequence/fast frequency hopping code-division multiple-access (DS/FFH-CDMA) system operating in a Rayleigh fading environment is considered and its spectral efficiency, expressed in (bits/sec/Hz), is estimated in terms of the theoretically achievable average channel capacity (in the sense of information theory) per user. The analysis covers the operation over a broadcast single-cell time-varying system, applicable to the downlink of satellites, wireless local-area networks and single-cell indoor mobile sys-tems, and leads to a simple novel closed-form expression for the optimal number of simultaneously active users based on the maximization of the achieved spectral efficiency. Numerical results are presented to illustrate the proposed mathematical analysis.
Keywords: Radio capacity, channel capacity, hybrid systems, spectral efficiency, Rayleigh fading
EXTENSION of the file: .pdf
Special (Invited) Session:
Organizer of the Session:
How Did you learn about congress:
IP ADDRESS: 77.49.196.187
