[PDF] Top 20 A Low Complexity Blind Multiuser Receiver for Long Code CDMA
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A Low Complexity Blind Multiuser Receiver for Long Code CDMA
... for long-code systems are for computational reasons usually based on simple matched-filter techniques, and hence suffer from multiaccess ...apparent complexity of the inversion of a large code ... See full document
10
Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems
... computational complexity grows rapidly with the number of active ...putational complexity have been reported such as decorrelat- ing detector [2, 3, 18], which completely suppresses the un- wanted users at ... See full document
17
Blind linear multiuser detection for DS-CDMA wireless networks
... on multiuser detection in DS-CDMA ...in CDMA are ...uses long codes while another uses short codes. In accordance with multiuser detection which is the core subject of this thesis, ... See full document
221
Timing Free Blind Multiuser Detection for Multicarrier DS/CDMA Systems with Multiple Antennae
... spreading code of all of the active users can be reasonably assumed only at the “base station” of an isolated cell, we consider the more gen- eral scenario where the receiver cannot avail itself of any ... See full document
16
Blind Direct Multiuser Detection for Uplink MC CDMA: Performance Analysis and Robust Implementation
... the receiver can be implemented by means of simple diversity-combining strategies [7], such as orthogonal restoring combining (ORC), equal gain combining (EGC), maximal-ratio com- bining (MRC), or minimum ... See full document
18
A Chip Level BSOR Based Linear GSIC Multiuser Detector for Long Code CDMA Systems
... incorporating multiuser detec- tors in current cellular systems is that the latter are long-code systems while most multiuser detectors developed until now assume a short-code system ... See full document
9
Multiuser Delay Tracking CDMA Receiver
... a code division multiple access (CDMA) system is limited by the multiple access interference (MAI) from other ...users. CDMA multiuser detection at the bases- tation, which utilizes known user ... See full document
10
A MUSIC Based Algorithm for Blind User Identification in Multiuser DS CDMA
... a CDMA sys- tem, multiuser detection techniques are ...the complexity of a CDMA receiver in a multiuser ...spreading code, timing, and power, is ...the CDMA ... See full document
9
Joint Performance Study of Channel Estimation and Multiuser Detection for Uplink Long Code CDMA Systems
... RAKE receiver structure to maximize the output signal- to-interference-plus-noise ratio (SINR), both channel es- timation and minimum mean-square-error (MMSE)/zero- forcing (ZF) receivers are presented in [15, ... See full document
15
Multipass Channel Estimation and Joint Multiuser Detection and Equalization for MIMO Long Code DS/CDMA Systems
... the receiver, instead, provides a receiver diversity advantage, since the receiving multiple antennas provide multiple independently faded replicas of the trans- mitted ...for multiuser systems [15, ... See full document
13
Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... of multiuser interference and hence has the potential of substantially increasing the capacity of CDMA ...increasing complexity imposed by increasing the number of users sup- ...lower ... See full document
5
Blind Multiuser Detection for Long Code CDMA Systems with Transmission Induced Cyclostationarity
... To support multimedia services with di ff erent quality of services requirements, multirate scheme is implemented in 3G CDMA systems by using multicode (MC) or variable spreading factor (VSF). In MC systems, the ... See full document
10
Scheduling schemes with adaptive blind detection for code reuse in multiuser MIMO systems
... Linear multiuser techniques have been widely analyzed in the literature ...of low complexity receivers that improve the performance of the conventional scheme (that treats interference as white ... See full document
8
Development of a Multiuser Detection Testbed
... the receiver learns the impulse response of the ...time complexity per bit is con- stant, just as that of the conventional ...for long code CDMA systems is not possible because in those ... See full document
126
Orthogonal Sequences Based Multi-CFO Estimation and Semi-Blind ICA Based Equalization for Multiuser CoMP Systems
... a low-complexity orthogonal sequences based multi-CFO estimation approach, and a pilot aided and ICA based semi-blind equalization structure for multiuser-CoMP OFDM ...with low complex- ... See full document
22
Study and analysis the BER performance of linear multiuser detectors in non-Gaussian noise channel
... years multiuser detection techniques (MUD) have attracted significant attention to improve the performance of direct sequence code-division multiple-access (DS-CDMA) ...in CDMA communication ... See full document
11
Reduced Complexity Near Optimum Genetic Algorithm Assisted Multiuser Detection for Synchronous Multicarrier CDMA
... “Genetic algorithm assisted joint multiuser symbol detection and fading channel estimation for synchronous CDMA systems:’ IEEE Joumal on Selected Areas in Communicarions.. Hanzo, “Geneti[r] ... See full document
5
Low Complexity Channel Estimation for OFDM and MC CDMA
... SUMMARY In this paper we have proposed a channel estimation method, which is based on a low-complexity decision directed MMSE FS-CLR estimator combined with a robust time-domain FS-CIR p[r] ... See full document
5
Low Complexity Channel Estimation for OFDM and MC CDMA
... Our simulations were performed in the base-band frequency domain and the system configuration characterised in Table I is to a large extent similar to that in [6]. We assume having a total bandwidth of 800kHz. In the ... See full document
5
A Low Complexity High Performance Bluetooth Receiver
... Therefore, this paper begins with a brief review of the Bluetooth modulation standard in Sec. 2, after which two possible realisations of a Bluetooth modulator are highlighted in Sec. 3. A low-complexity ... See full document
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