[PDF] Top 20 Resource allocation in MIMO-OFDM Systems

... shown in Fig. 2.The data to be transmitted on each carrier is differentially encoded with previous symbols, then mapped into a Phase Shift Keying (PSK) format. The data on each symbol is then mapped to a phase angle ... See full document

... the MIMO system and also it overcome the problems of fading that encountered by the information signal over the channel ...of MIMO based wireless communication system in those channels where fast fading is ... See full document

... This paper proposes a resource allocation algorithm for MIMO-OFDM systems (LTE standard). The algorithm is developed for orthogonal frequency division multiple access (OFDMA) system ... See full document

... of MIMO withorthogonal frequency division multiplexing(OFDM) modulation ...a MIMO-OFDM ...of MIMO-OFDMwireless systems with a focus on transceiverdesign, multiuser ... See full document

... (MU) MIMO-OFDM systems, resource allocation problems depend on: (1) Spatial Division Multiple Access (SDMA) grouping ...Power allocation problem. (4) Sub-carrier assignment ... See full document

... study resource allocation problem in orthogonal frequency division multiple access multiple-input multiple-output (OFDMA-MIMO) relay systems and formulate the optimal instantaneous ... See full document

... fast resource allocation algorithms were derived for both real-time and non-real-time services in multiuser OFDM- based CR ...tiuser OFDM-based CR system was maximized while satisfying the ... See full document

... N OFDM symbols and transmitted simultaneously on N orthogonal ...into OFDM symbols in time domain by the inverse fast Fourier transform (IFFT) in the ... See full document

... the literature that deal with user scheduling in the SWIPT framework, but they consider a single-input single-output (SISO) system. Therefore, the scheduling presented in those papers is purely the temporal scheduling of ... See full document

... OFDM systems can be increased further by adaptively conveying transmitted power to orthogonal eigenmodes according to the “water- filling” rule ...in MIMO OFDM systems, which can be ... See full document

... massive MIMO system is sparse in nature, where the significant paths (non-zero taps) of the channel, denoted as S, is much smaller than the maximum channel spread L, ...massive MIMO systems since the ... See full document

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

... optimized resource allocation approaches in network MIMO presented in [6]-[8] achieved data rate due to sum-rate maximization policy, the issue of fairness remains ...optimized resource ... See full document

... 2 ρ ¯ bit/s/Hz. We observe that OBA significantly outper- forms FBA for all topologies except the STAR topology with decoding at the BS, for the reasons already explained. Indeed, OBA has an almost linear increase of the ... See full document

... network MIMO system, without any feed- back, backhaul and synchronization constraints, the inter-cell interference can be completely ...network MIMO techniques to a limited number of cells or areas of the ... See full document

... communication protocol [12] and rake receiver to counter the multipath fading are revolution- ary technologies for highlighting the advancement of the 3G system over 2G. Then the 4G breakthrough is featured by even more ... See full document

... a MIMO system grows linearly with the minimum of transmit and receive ...realistic MIMO channels show a significantly lower ...the MIMO channel ...as MIMO capacity analysis with respect to ... See full document

... requirements with fewer transmitters and achieve the smaller total estimation error than other methods. By adjusting the estimation MSE requirements, the proposed method can control target number more flexibly when en- ... See full document

... capacity allocation algorithm (MRA) is always greater than the rate proportional algorithm (PRA) during changes of 𝜇 10 ...no allocation scheme is ... See full document

... through wireless channel. After collecting the signal at receiver, by using sub carriers receiver must estimate the channel. The received signal is sum of all signals transmitted from different branches. In the Receiver ... See full document