Slotted ALOHA in Dynamic Spectrum Sharing Communication System

Author

Fang, Fei ; Mao, Yuming ; Leng, Supeng

Author_Institution

Sch. of Phys. & Electron. Inf. Eng., NeiJiang Normal Univ., Neijiang, China

fYear

2011

fDate

27-29 June 2011

Firstpage

2571

Lastpage

2574

Abstract

Towards the MAC design of the dynamic sharing spectrum communication system, this paper proposed a new MAC frame structure which can be used in centralized networks. And design a Slotted ALOHA access control algorithm based the feedback competition CSI (channel state information) of access users. Then through analyzing the delay features and the stability, we propose a new MFpBA to assure the system stability, which is the combination of pseudo-Bayesian algorithms (pBA) and the multiple factor (MFpBA). Simulation demonstrates that the algorithm can accelerate the adjusting speed and acquire stable throughput on the conditions that there is distinct difference between the probability of transmitting and the actual.

Keywords

Bayes methods; access control; access protocols; cognitive radio; delays; feedback; probability; MAC frame structure design; MFpBA; delay feature; dynamic spectrum sharing communication system; feedback competition CSI; feedback competition channel state information; multiple factor pseudoBayesian algorithm; slotted ALOHA access control algorithm; system stability; transmitting probability; Algorithm design and analysis; Decision support systems; Heuristic algorithms; Markov processes; OFDM; Stability analysis; Throughput; dynamic spectrum sharing network; multiple factor pseudo-Bayesian algorithms; pseudo-Bayesian algorithm;

fLanguage

English

Publisher

ieee

Conference_Titel

Computer Science and Service System (CSSS), 2011 International Conference on

Conference_Location

Nanjing

Print_ISBN

978-1-4244-9762-1

Type

conf

DOI

10.1109/CSSS.2011.5974457

Filename

5974457