This letter analyzes the behavior of two time-code division architectures serving voice and data applications on the uplink of a cellular system. Both solutions attribute speech users one code over a timeslot, whereas data users are granted several codes over the same timeslot or a single code over several time slots. Call admission control dynamically attributes resources if specified levels of transmission quality are met. The blocking probability of the two classes of users is determined, demonstrating that the multicode T/CDMA approach performs better than the multislot solution and than a pure CDMA system.
Integrating voice and data applications in T/CDMA architectures / Casoni, Maurizio; Immovilli, Gianni; Merani, Maria Luisa. - In: IEEE COMMUNICATIONS LETTERS. - ISSN 1089-7798. - STAMPA. - 5:9(2001), pp. 378-380. [10.1109/4234.951383]
Integrating voice and data applications in T/CDMA architectures
CASONI, Maurizio;IMMOVILLI, Gianni;MERANI, Maria Luisa
2001
Abstract
This letter analyzes the behavior of two time-code division architectures serving voice and data applications on the uplink of a cellular system. Both solutions attribute speech users one code over a timeslot, whereas data users are granted several codes over the same timeslot or a single code over several time slots. Call admission control dynamically attributes resources if specified levels of transmission quality are met. The blocking probability of the two classes of users is determined, demonstrating that the multicode T/CDMA approach performs better than the multislot solution and than a pure CDMA system.
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