[PDF] Top 20 Iterative Joint Channel Estimation and Symbol Detection for Multi User MIMO OFDM

... transmitter-receiver channel links have to be estimated si- multaneously for each ...numerous channel estimation techniques have been proposed for MIMO-OFDM systems, using blind ... See full document

... blind channel estimation tech- niques have been proposed for MIMO-OFDM systems [7]– ...[18], iterative Least Squares (LS) [19], Second- Order Statistics (SOS) based SubSpace (SS) [20] ... See full document

... N OFDM symbols are divided into I = N /P time-slots each one spanning P symbol ...time-slot, multi-layered space-frequency codes (MLSFC) encoding generates the space-frequency codeword matrix X(s(i)) ... See full document

... conventional channel estimation for FDD MIMO systems, the BS firstly sent pilot signals to users in the downlink and each user then conduct their own channel estimation by using ... See full document

... block-by-block iterative receiver for underwater MIMO-OFDM that couples channel estimation with multiple-input multiple-output (MIMO) detection and low-density ... See full document

... systems. MIMO-OFDM (multiple input multiple output- orthogonal frequency division multiplexing) technology, has gained great popularity for its capability of high rate transmission and its robustness ... See full document

... using MIMO technology an increase in the system capacity and/or an improvement in the quality of service can be achieved ...the MIMO capacity relies heavily on the requirement of accurate channel ... See full document

... consecutive MIMO-OFDM transmission bursts, which are processed ...contained MIMO-OFDM transmission bursts includes all the necessary data, such as for instance pilot signals, required for ... See full document

... and channel estimation are mutu- ally related, joint channel estimation and synchronization would provide better performance ...the estimation of CIRs and CFO in uncoded ... See full document

... MU MIMO-OFDM system incorporating iterative channel estimation and ...popular channel estimation algorithms, one based on expectation maximization (EM) [15], and one ... See full document

... proposed joint precoding, modulation, and PAR reduction framework, referred to as PMP, facilitates an explicit trade-off between PAR, SNR performance, and out-of-band interference for the large-scale ... See full document

... in multi user cooperative communication system by assigning subcarrier to different users for overall transmit power ...the MIMO techniques have been developed ݣ with the assumption of flat fading ... See full document

... of joint iterative turbo decoding and es- timation is called turbo ...Turbo detection al- lows decreasing the number of pilot symbols for esti- mation purposes and thus increases the user data ... See full document

... the symbol rate. But this leads to Inter Symbol Interference (ISI) ...to OFDM is given in Appendix-A. The advantage of OFDM is that, by using Fast Fourier Transform (FFT) algorithm it can be ... See full document

... of MIMO–OFDM systems require channel state information to detect symbols ...semiblind channel estimation is a bandwidth- efficient alternative to the conventional training based ... See full document

... investigate channel estimation method with carrier frequency offset in MIMO-OFDM ...likelihood estimation algorithm (MLE), the carrier frequency offset (CFO) can be ...of ... See full document

... where s [ m ] denotes the current vector of symbols of each transmit antenna, w is an identically, independently dis- tributed (iid) additive white Gaussian noise term and h [ l,m ] is the MIMO channel ... See full document

... of channel estimation performance, the Toeplitz structure measurement matrix based on CC-S can obtain nearly equivalent estimation performance with the Gaussian random matrix, but its generation and ... See full document

... a MIMO-OFDMsystem with the physical layer parameters for the downlink of 3GPP LTE ...The MIMO-OFDM system utilizes four transmit and two receive antennas ...the channel estimator is based on a ... See full document

... the OFDM system, the signal after PAPR reduction undergoes distortion while travelling through the wireless ...of MIMO-OFDM system with PTS and modified PTS techniques the effects of the ... See full document