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1“... appropriate multi-dimensional Markov chain models and analytical methods to compute the performance measures...”
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2“... the performance measures of interest. Importantly, the analytical results are close to the corresponding...”
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4“..., users expect more functions from WLANs. Quality of Service (QoS) demands increase rapidly due...”
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5“... spectrum is a scarce resource. On the other hand, different packets may have a different quality of service...”
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6“... of underutilized channels by SUs is not guaranteed. To improve the quality of service (QoS) of SUs, we consider...”
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7“... networks include high utilization of frequency spectrum, improvement of quality of service and provision...”
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8“... of ongoing calls is less tolerable. We use queues to improve quality of service (QoS) of handoff calls...”
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9“... to new calls and handoff calls in order to satisfy the quality of service (QoS) constraints...”
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10“... place at any time. Different traffics usually have different transmission characteristics and quality...”
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11“..., the call quality of VoIP depends strongly on the conditions of the network. When evaluating the VoIP...”
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12“... time, e.g., voice, video, text, multimedia, etc. Different data may have different quality of service...”
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