[PDF] Top 20 Complexity and Analysis of Sphere Decoding and QRD-M Detection for MIMO Communication System

... average complexity; its instantaneous complexity depends on the noise variance and channel ...the complexity of SD can be comparable with that of the ML ...the QRD-M, which was proposed ... See full document

... optimum detection scheme considered here. It has high computational complexity hence time consuming for ...The complexity increases with increase in the number of antennas or the size of ...the ... See full document

... through MIMO detector and the decoder fetches the information bits from estimated symbols at the receiver ...computation complexity. In the detection and decoder, the joint functions have performed ... See full document

... These factors include channel complexity, external interference, and channel estimation error. The multichannelterm indicates that the receiver incorporates multiple antennas by using space-time- frequency ... See full document

... the complexity of tree-search detection in MIMO ...the complexity of the LDMC constrained sphere decoding (SD) and show that the LDMC constrained SD detection can be used ... See full document

... wireless communication. MIMO technique uses the multiple antennas to achieve high transmission ...low complexity decoding technique is essential for Multi user- Multiple Input Multiple Output ... See full document

... wireless system [1]. Spatial Multiplexing MIMO (Multiple Input Multiple Output) communication systems increase spectral efficiency, throughput and capacity at the cost of increased computational ... See full document

... An analysis shows that the MRC-based detection method can maximize the SNR of the combined signal, to improve the detection ...the detection process compared with that of the MRC ...SC-based ... See full document

... complex sphere detection and decoder algorithm is proposed for signal detection in Turbo-MIMO ...complex sphere detection is concatenated with a SISO Log maximum a posteriori ... See full document

... (MIMO) detection with channel decoding has been widely considered to achieve near-capacity performance and reliable high data rate transmission, for future wireless communication ... See full document

... a Sphere Decoder that has an optimized performance in terms of BER, complexity and FPGA resource ...in complexity is because of adaptive radius reduction ...the complexity of complex higher ... See full document

... The remainder of this paper is organized as follows. In section 2, the fundamental model of MIMO system is introduced. And we will review several basic decoding algorithms. In section 3, we will ... See full document

... in MIMO system. In that Maximum likelihood detection is an optimal ...ML decoding is robust to channel estimation errors and is near optimal with respect to ...exponential complexity, ... See full document

... for MIMO communications and multiuser detection technology in CDMA system are always the foci in wireless communication ...receiving, MIMO communications can combine space-time coding ... See full document

... for MIMO-OFDM-based systems[1] ...error) MIMO detector was ...of MIMO detection using the sphere decoding ...of MIMO sphere decoders is implemented in this ...for ... See full document

... coded MIMO scheme can be highly enhanced by incorporating iterative decoding and detection scheme by exchanging soft information between the symbol detector and ...the complexity with increase ... See full document

... Spatial diversity is one of the techniques used to fight against the deep fading [16]. The diversity technique improves the performance [1] in the presence of fading channel [16]. In this technique signals are ... See full document

... the communication between the mobile ...self-assertive system topology. Be that as it may, MANET has dynamic system topology since hubs can join and leave the system whenever because of the ... See full document

... the system BER ...the system computational complexity increases exponentially with transmission ...computational complexity in STTC. It supports linear decoding complexity for ... See full document

... standards. MIMO technology improves both the spectral efficiency and the QoS of wireless communication ...ever, detection of spatially multiplexed MIMO streams plays a key role in receiver ... See full document