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In this paper, we quantify the expected symbol loss probability in mobile multi-hop relaying systems employing Orthogonal Frequency Division Multiple Access (OFDMA) Techniques. We obtain the expected number of collisions and calculate the probability of symbol loss when a conflict occurs between subcarriers of two or more non-transparent relay stations, as well as we calculate the average symbol loss...
It is well recognized that power control is an important technique to combat the near far problem, the co-channel interference and the fading channel in the reverse link of direct sequence-code division multiple access (DS-CDMA). With tight power control algorithm, the system capacity and quality of service (QoS) can be enhanced. In this paper, we present the DS-CDMA model in Rayleigh fading channel...
In this paper, we provide a saturation throughput analysis of the IEEE 802.11 protocol at the data link layer by including the impact of both transmission channel and capture effects in Rayleigh fading environment. Impacts of both non-ideal channel and capture effects, specially in an environment of high interference, become important in terms of the actual observed throughput. As far as the 4-way...
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