OFDMA networks
Fast cell selection with efficient active set management in OFDMA networks with femtocells
... Previous section demonstrates efficiency of FCS in OFDMA networks with femtocells. Now, the goal is to provide a solution for selection of active set members. Our proposal is based on the calculation of ...
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Utility based efficient dynamic distributed resource allocation in buffer aided relay assisted OFDMA networks
... In summary, we study low-complexity utility-based resource allocation in buffer-aided relay-assisted OFDMA networks, with HD relays, based on stochastic optimiza- tion framework presented in [22, Chapter ...
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Qos aware resource allocation for mixed multicast and unicast traffic in OFDMA networks
... the multicast transmission. The 3GPP has defined multi- media broadcast multicast services (MBMSs) for the uni- versal mobile telecommunications system [12]. The 3GPP2 finalized the specifications of broadcast multicast ...
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Statistical analysis of inter cell interference in uplink OFDMA networks with soft frequency reuse
... This paper investigates the statistical model of uplink ICI for OFDMA networks with SFR scheme. Through analyzing the distribution of the path loss, shadowing, and Rayleigh fading, the distributions of ICI ...
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Uplink interference protection and scheduling for energy efficient OFDMA networks
... Much of the previous work on energy efficient systems concentrates on network optimisation and scheduling policies. Macro-cell size reduction for better energy effi- ciency is investigated in [16], with positive results. ...
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Resource Request Mapping Techniques for OFDMA Networks
... The generic aim of our simulator is evaluation and optimization of resource sharing in OFDMA networks (like WiMAX or LTE). In this way we developed a program that has implemented different Bin Packing ...
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Joint subcarrier and power allocation for physical layer security in cooperative OFDMA networks
... cooperative OFDMA network into consideration, we define the auction elements as follows: the good for sale is the total relay power, the relay is the auctioneer, and the subcarriers are the ...
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Cooperative relaying in OFDMA networks based on the joint use of hierarchical modulation and link adaptation
... OFDMA system, as is the case of LTE-A systems, and modeled it in a cross-layer manner, taking into account realistic user dynamics in terms of arrivals and depar- tures after a finite service duration. HM allows ...
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Hybrid Radio Resource Management with Co-scheduling for Relay Extended OFDMA Networks
... conventional networks the UE takes measurements and send back the report to the MBS where the MAC scheduler uses the reports to take a ...extended networks, it is additionally necessary to feedback the ...
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Cooperative power control in OFDMA small cell networks
... resource reuse schemes due to the large quantity of weak interference sources. In addition to orthogonal resource reuse, power control is also considered to mitigate the interference. Authors of [11] provide a ...
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Resource Allocation in OFDMA Femtocell Based LTE and 5G Networks with QoS Guarantees
... downlink OFDMA clustered-femtocell ...on OFDMA networks, so, the principle and the algorithmic essence are also applicable to other OFDMA-based wireless ...
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Unified approach to cross layer scheduling and resource allocation in OFDMA wireless networks
... MIMO-OFDMA networks are inherently varying in time and frequency due to multi- path propagation, changing positions of mobile stations (MS) relative to the base station (BS), and nonsta-tio- nary ...
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Energy Efficient Networks- A Critical Review
... in networks. This paper studies the concept of green networks (Energy Efficient Networks), and outlines its significance in Modern and Future Telecommunication ...as OFDMA networks, ...
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Energy efficient resource allocation for OFDMA two way relay networks with imperfect CSI
... ventional OFDMA networks without ...for OFDMA relay networks with imperfect CSI was intro- duced in [11], where only power allocation algorithm was ...
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A Review on Orthogonal Frequency Division Multiple Access (OFDMA) in Broadband Wireless Access
... According to Lau [1], the BS assignment problem in cellular systems deserved significant research efforts. Irrespective of the radio access technology, one of the most common BS assignment approaches is the Minimum Path ...
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Energy efficient communication for user relay aided cellular networks with OFDMA
... In OFDMA, the frequency spectrum is divided into a number of subcarriers and then subsets of these subcarriers are allocated to different users by exploiting multiuser ...with OFDMA networks to take ...
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Capacity Planning for Group Mobility Users in OFDMA Wireless Networks
... cellular networks, which take into consideration the random nature of the average channel ...of OFDMA cellular net- works in which a large fraction of users experience group- ...
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Multiuser Radio Resource Allocation for Multiservice Transmission in OFDMA Based Cooperative Relay Networks
... used, OFDMA networks must not only be able to provide reliable and high-quality broadband services, but also be implemented cost-effectively and be operated ...efficiently. OFDMA presents many of the ...
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Resource allocation in networks via coalitional games
... for OFDMA networks is based on the objective of the optimization ...terminals, OFDMA-based networks do not consider resource allocation strategies based on the mean-BER minimization, in which ...
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Efficient Control Channel Resource Allocation for VoIP in OFDMA Based Packet Radio Networks
... In this paper, we studied PDCCH resource allocation method oriented for VoIP optimized dynamic scheduling. A comprehensive set of system level simulation results were demonstrated, covering both 3GPP LTE scenario and ITU ...
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