[PDF] Top 20 Fairness based Improved Subcarrier Allocation Algorithms for OFDMA based Next Generation Networks

... is based on [9], but we have proposed some modifications as described ...The subcarrier allocation algorithm in [9], the second step (first loop) allocates one subcarrier to each user by ... See full document

... transmitter. Based on dual decom- position, a distributed algorithm was proposed for power and subcarrier ...subchannel allocation based on dual decomposition, with the difference that the ... See full document

... competitive fairness, b = 0.5 is used. The BA strategy adopted by the users are based on Equation ...and fairness index versus the number of users in a system with 128 subcar- riers for the ... See full document

... communication networks. When cooperative communication is incorporated in OFDMA systems, overall performance enhanced ...are improved channel reliability, improved system throughput, seamless ... See full document

... resource allocation in OFDMA system has received considerable attention in recent ...in OFDMA-based cooperative relay ...then based on the analysis of single-user case, we extend the ... See full document

... resource allocation in cellular wireless networks, including both centralized and distributed procedures ...cellular networks can be proved to be NP-hard [15,16] (as a mixed integer-nonlinear ... See full document

... also improved by utilizing jamming power allocation for the two-way untrusted relaying based on the Stackelberg game in ...power allocation (the relay’s or the jammer’s ...effective ... See full document

... for next generation wireless communication ...(LP) based subcarrier allocation algorithm for cooperative multiuser OFDM system with grouped user is ...and fairness of data rate ... See full document

... cellular networks, especially, for indoor wireless ...resource allocation is a key issue in femtocell ...resource allocation approach that satisfies the QoS requirements for High-Priority (HP) users ... See full document

... and next generation wireless networks to improve the quality-of-service (QoS) and extend transmission coverage in a cost-effective ...of Subcarrier assignment and power profiles with multiple ... See full document

... capacity, fairness and complexity has been ...scheme based on SL with maximum FSF value achieves almost ideal fairness with a small capacity ...without subcarrier altercation may be used to ... See full document

... for next generation multi-user broadband wireless ...in OFDMA systems. Besides the substantial studies of power allocation schemes for relay networks, energy-efficient communication has ... See full document

... To meet the ambitious performance target for in- ternational mobile telecommunication-advanced (IMT-Ad- vanced) candidate radio interface technologies (RITs) [16], LTE is evolving into LTE-Advanced, and VoIP performance ... See full document

... mesh networks have the potential to deliver Internet broadband access, wireless local area network coverage and network connectivity at low ...is improved by equipping mesh nodes with multi-radios tuned to ... See full document

... fourth generation (4G) wireless communication system because of its high spectral efficiency, flexible resource allocation and inherent robustness against frequency- selective ...an OFDMA- MIMO ... See full document

... adaptive subcarrier allocation scheme with reconfiguration of operating para- meters for Cognitive Radio Networks (CRN) is ...novel subcarrier alloca- tion algorithm is developed to fulfill ... See full document

... Zhang et al. [9] introduced three algorithmic channel schemes: the Locally Optimized Dynamic Assignment (LODA), the Borrowing with Channel Ordering (BCO), and the Borrowing with Directional Channel Locking (BDCL). LODA ... See full document

... In this section, we evaluate the performance of the pro- posed algorithm through Monte Carlo simulation. We consider a single-cell with 1 km radius and users’ locations are randomly generated and uniformly distributed ... See full document

... Telecommunication Networks and Digital Productivity and the Head of Research with the Centre for Intelligent Systems and Networks (ISN), School of Computing and Digital Technology, Birmingham City ...future ... See full document

... Present day Wireless cellular systems need to fulfil the expanding expectations for maximum data rate mobile services. Keeping in mind the end goal to meet the expanding number of cellular subscribers and the requirement ... See full document