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Multi-User Detection (MUD)

Genetically Enhanced TTCM Assisted MMSE Multi user Detection for SDMA OFDM

Genetically Enhanced TTCM Assisted MMSE Multi user Detection for SDMA OFDM

... invoking Multi- User Detection (MUD) techniques has recently attracted intensive re- search ...SDMA Multi-Input-Multi-Output (MIMO) sys- tems the transmitted signals of L simultaneous ...

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Multi Stage Multi User Detection Assisted Asynchronous Fast FH/MFSK

Multi Stage Multi User Detection Assisted Asynchronous Fast FH/MFSK

... A multi-stage Multi-User Detection (MUD) scheme designed for asynchronous fast Frequency-Hopping/Multilevel Frequency-Shift-Keying (fast-FH/MFSK) systems is proposed, in which each signal ...

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Iterative Joint Channel Estimation and Multi User Detection for Multiple Antenna Aided OFDM Systems

Iterative Joint Channel Estimation and Multi User Detection for Multiple Antenna Aided OFDM Systems

... In this section, we will quantify the performance of the MIMO SDMA-OFDM system using the proposed GA-aided iterative joint channel estimation and multi-user detection technique. Due to the space ...

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Antenna arrays in multi user detection of spread spectrum signals

Antenna arrays in multi user detection of spread spectrum signals

... given user may overlap with one or two consecutive symbols from each of the other ...desired user by multiplying the demodulated signal with a local copy of its scrambling code, contributions to the ...

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Performance of SDMA Multi User Detection Techniques for Walsh Hadamard Spread OFDM Schemes

Performance of SDMA Multi User Detection Techniques for Walsh Hadamard Spread OFDM Schemes

... PIC multi-user detection techniques, in order to exploit the diversity potential offered by the wideband ...PIC detection slightly outperformed the SIC detection assisted system using ...

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Neural Network based Minimization of BER in Multi-User Detection in SDMA

Neural Network based Minimization of BER in Multi-User Detection in SDMA

... Neural networks can be used for linear design, adaptive prediction, amplitude detection, character recognition and many other applications. This paper investigates the use of neural network based minimization of ...

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Incremental refinement of a multi-user-detection algorithm (II)

Incremental refinement of a multi-user-detection algorithm (II)

... of multi-user detection at the re- ceiver (Verdu, ...one user are estimated by using knowledge of all other users that are transmitting at the same time but on different ...

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Multi user Detection Schemes for TH PPM UWB System using LDPC Codes

Multi user Detection Schemes for TH PPM UWB System using LDPC Codes

... problem. Multi-user Detector (MUD) techniques exploit the character of the MAI by removal of the Multi-User Interference from each user‟s received signal before making data decision, ...

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A joint multi user detection scheme for UWB sensor networks using waveform division multiple access

A joint multi user detection scheme for UWB sensor networks using waveform division multiple access

... multiuser detection (MUD) is an effective MAI suppression technology which has been considered in many ...good detection performance, but with the disadvantages of higher complexity, lower convergent speed ...

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Compressive Sensing Multi User Detection for MC CDMA System in Machine to Machine Communication

Compressive Sensing Multi User Detection for MC CDMA System in Machine to Machine Communication

... Abstract. Machine to Machine (M2M) Communication is one of the core technologies of 5G in the future. To relieve control signal overhead lead by massive access during M2M communication, we use greedy algorithm from the ...

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Iterative multi user detection for OFDM using biased mutation assisted genetic algorithms

Iterative multi user detection for OFDM using biased mutation assisted genetic algorithms

... Figure 9: Eb/No Gain at the BER of i0-5 versus the number of IGA MUD iterations left and the number of users right performance of the TTCM-assisted MMSE-IGA-SDMA-OFDM system using BQM, w[r] ...

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Multi User Detection by MMSE Adaptive Algorithm for Multi Beam MIMO MC CDMA using Sequences of References

Multi User Detection by MMSE Adaptive Algorithm for Multi Beam MIMO MC CDMA using Sequences of References

... the multi-antenna technology is improving the capacity of cellular ...multiuser detection for MC-CDMA ...used Multi-Beamformer with sequences of references at receiver and space time block code ...

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Semi Blind Reception Using Joint Channel Estimation in IDMA Systems

Semi Blind Reception Using Joint Channel Estimation in IDMA Systems

... for user separation can separate different users without spreading within the CDMA ...for user separation, incorporating principles developed in ...other-cell user interference ...iterative ...

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Single  and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking

Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking

... the multi-standards connectable systems, which implies that the beyond 3G mobile terminals are capable of connecting the wireless network with no limitation from the existing wireless communication standards [1, ...

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Single  and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking

Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking

... [300] M. J. Juntti, T. Schl¨osser, and J. O. Lilleberg, “Genetic algorithms for multiuser detection in synchronous CDMA,” in IEEE International Symposium on Information Theory – ISIT’97, (Ulm, Germany), p. 492, ...

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Iterative Joint Channel Estimation and Symbol Detection for Multi User MIMO OFDM

Iterative Joint Channel Estimation and Symbol Detection for Multi User MIMO OFDM

... (SDMA) multi-user MIMO OFDM literature, no channel estimation tech- nique allows the number of users to be higher than the number of receiver antennas, which is often referred to as an “overloaded” ...and ...

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Analyzing the Co-Existence of LTE-A Signals in Heterogeneous Network Model

Analyzing the Co-Existence of LTE-A Signals in Heterogeneous Network Model

... ABSTRACT: The main aim is to introduce new degree of freedom for the efficient reuse between two co - existence signals. The co-existence is first done for the Orthogonal Frequency Division Multiple Access (OFDMA) and ...

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HIPERLAN like Turbo Coded Multi user Detection Assisted OFDM Based Interactive Video Telephony

HIPERLAN like Turbo Coded Multi user Detection Assisted OFDM Based Interactive Video Telephony

... unique user-specific transmit antennas associated with unique user-specific spatial signatures are used, these arrangements are also referred to as Space-Division Multiple Access (SDMA) ...these ...

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Cooperative multi-user detection and ranging based on pseudo-random codes

Cooperative multi-user detection and ranging based on pseudo-random codes

... Figure 3 shows our solution approach. The car system ini- tiates a measurement cycle by sending a data burst containing the correlation code plus additional transmit data. To distin- guish between different car systems ...

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Research on Classification and Recognition for Multiuser Signal Detection

Research on Classification and Recognition for Multiuser Signal Detection

... The MMSE multi-user detection algorithm was analyzed and improved. A new classification algorithm based on fuzzy function is showed in this paper. In order to present the performance of the ...

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