[PDF] Top 20 Subcarrier allocation based simultaneous wireless information and power transfer for multiuser OFDM systems

... of simultaneous wireless information and power transfer (SWIPT) for orthogonal frequency division multiplexing (OFDM) systems are studied based on power ... See full document

... However, perfect CSI for all receivers is not easy to be obtained by the transmitter due to the existence of channel estimation errors and quantization errors in the practical scenarios. Thus, it is important to design a ... See full document

... resource allocation problem for a multiuser underlay cognitive system where the secondary system is allowed to transmit and cooperate with the primary ...total power budget and the allowable ... See full document

... in wireless networks is becoming increasingly impor- tant as the number of users continues to grow rapidly while the radio spectrum remains a scarce ...broadband wireless access technolo- gies, orthogonal ... See full document

... the power allocation strategy as well as the subcarrier allocation ...single-antenna OFDM system is implemented, where PS is applied at the receiver end to coordinate between Energy ... See full document

... FH/OFDM systems [11]. Furthermore, space division multiple access (SDMA) based OFDM [10, 13] communication invoking multiuser detection (MUD) [10, 13] techniques has recently attracted ... See full document

... the power allocation optimization problem for cogni- tive user and cognitive relay is considered ...joint subcarrier and power allocation algorithm for coopera- tive multiuser ... See full document

... modern wireless standards and next generation wireless networks to improve the quality-of-service (QoS) and extend transmission coverage in a cost-effective ...efficient OFDM-based relay ... See full document

... Resource allocation for multiuser OFDM networks has attracted a lot of interest [15], The goal is to jointly allocate subcarriers, rate and power in order to maximize (respectively minimize) ... See full document

... broadband wireless networks. Orthogonal frequency division multiplexing (OFDM) is considered a promising technique in such ...consider multiuser systems [1] where multiple users are allowed to ... See full document

... of power consumption in co- operative multiuser OFDMA systems is a great challenge in multipath ...The power distribution among multi users in relay path has more complexity compared with ... See full document

... are based on dynamic programming (DP); the obtained algorithms can achieve the optimal objective ...the power allocation algorithm based on Lyapunov optimization in this paper performs ... See full document

... many wireless communication systems. Radio resource allocation plays a key role in optimizing the performance of OFDMA systems by exploiting the fre- quency and multiuser diversity ... See full document

... mobile wireless network emphasises on large capacity as well as ubiquitous ...the wireless networking field, researchers should shift their focus towards efficient networks and energy harvesting ... See full document

... used wireless access techniques, such as time division multiple access (TDMA) [61], frequency division multiple access (FDMA) [61], and code division multiple access (CDMA) [25], ...of OFDM is the fact that ... See full document

... In this contribution, the dual-band SWIPT system inves- tigated in [7] will be taken as a baseline system. However, several modifications are performed to yield improved per- formance: (i) The series-parallel topology ... See full document

... resource allocation for multiuser ...rate allocation to the sub- carriers assigned to one ...optimal subcarrier assignment to resource allocation problems with water filling ...resource ... See full document

... paper, simultaneous wireless information and power transfer for AF relaying nanonetworks in the THz band has been ...the information to the destination. Both time switching and ... See full document

... much power each CR user’s subcarrier should have, so that the transmission rate of CR users could be ...optimal power allocation scheme using Lagrange ...total power constraint was not ... See full document

... unique information that they hold such as a public identifier or a secret ...antennas, power amplifiers, ADC, DAC, ...allow wireless devices to be identified by unique characteristics of their analog ... See full document