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In this paper, two novel energy efficient resource allocation schemes are proposed for beyond next generation mobile networks. The schemes take into account the clustering capability of base stations before assigning users to the base stations. A topology management scheme that adjusts the number of active base stations in accordance with the traffic load and also responds to QoS deterioration is...
Device-to-Device (D2D) communication underlaying cellular network is considered to be a promising resource reuse technique, and it is basically developed for lots of local services. Considering the differences of the quality of services (QoS) between cellular and D2D users, the resource allocation scheme for D2D should flexibly allocate resource for D2D, rather than limiting one D2D user to share...
IEEE P1900.4 is an emerging standard for optimized radio resource utilization where cognitive radio technologies are used for efficient spectrum utilization. In this paper, we design and implement a cognitive wireless network system based on open documents of IEEE P1900.4, and evaluate its performance using UDP streaming and HTTP download. Our experiments show interesting results that total network...
In this paper userspsila short-term delay and throughput fundamental properties under basic opportunistic scheduling policies, required to support high throughput wireless communication systems with integrated multimedia services, are studied. Among the objectives of this work is to determine at what extent opportunistic scheduling policies can be used to support real-time services in addition to...
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