Abstract
The performance of the two-cell random access algorithm which is stable with a relatively high throughput of 0.429 and good delay performance is studied in a mobile environment in the presence of capture, Rayleigh fading, shadowing and path loss. Three distinct antenna diversity plans, two-fold, maximum selection and ideal selection diversity are employed to improve the performance of the two-cell algorithm. Maximum throughputs and optimal window sizes of the two-cell random access algorithm for the capture model and the diversity schemes are analytically computed. The delay performance of the proposed algorithm is evaluated through simulations and compared to that of slotted ALOHA under various mobile scenarios.
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