مشخصات پژوهش

عنوان	A Dynamic Joint Scheduling and Call Admission Control Scheme for IEEE 802.16 Networks
نوع پژوهش	مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها	IEEE 802.16, scheduling, call admission control, and quality of service.
چکیده	We propose a dynamic joint scheduling and call admission control (CAC) scheme for service classes defined in IEEE 802.16 standard. Using priority functions, equipped with service weights and service arrival rates, the proposed scheduling scheme differentiates service classes from each other. Based on obtained priority values, we first allocate the achievable bandwidth proportionally. Within individual service classes, we then use appropriate local schedulers to transmit packets accordingly. Moreover, instead of immediate admitting or blocking a new connection request, the proposed CAC scheme computes the average transmission rate that can be allocated to that connection during a time interval. The connection is admitted if its required rate is satisfied while at the same time QoS requirements of ongoing connections are not violated. Our numerical results demonstrate the effectiveness of the proposed schemes compared to the other schemes in the literature.
پژوهشگران	حسن طاهری (نفر چهارم)، عیلرضا خلیل زاده (نفر سوم)، سمانه رشیدی (نفر دوم)، محمد فتحی (نفر اول)