orthogonal multicarrier DS-CDMA system
Software Defined Radio Assisted Adaptive Broadband Frequency Hopping Multicarrier DS CDMA
... FH/MC DS-CDMA system is a broadband wire- less mobile system constituted by multiple nar- rowband DS-CDMA ...whole system bandwidth and efficiently utilize the available ...
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Throughput Improvement of STS-Based MC DS-CDMA System with Variable Spreading Factor
... The system considered in this paper is an orthogonal MC DS-CDMA scheme [2, 4-6] using ...out multicarrier modulation, and each IFFT block’s output signal is transmitted through one of ...
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Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems
... (MC DS-CDMA) system of [10] to propose a novel Differential Space-Time Spreading (DSTS) scheme as well as a Differential Steered Space-Time Spreading (DSSTS) scheme for the sake of improving the ...
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Performance of the Smart Antenna Aided Multicarrier DS CDMA and its Uplink
... MC DS- CDMA system investigated in [8], [9], which includes the sub- classes of multitone DS-CDMA [3] and orthogonal MC DS- CDMA [4] as special ...MC ...
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Multicarrier DS CDMA: A Multiple Access Scheme for Ubiquitous Broadband Wireless Communications
... SC DS-CDMA or broadband MC-CDMA to achieve the best pos- sible BER performance, both require high-com- plexity ...if orthogonal spreading codes and synchronous downlink transmissions are ...SC ...
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A Space Time Spreading Assisted Multicarrier DS CDMA System using OVSF Codes Employing Adaptive Mode Switching Thresholds and Adaptive Modulation
... (MC DS-CDMA) system for supporting a wide range of bit rates with the aid of advantageously combining Quadrature Ampli- tude Modulation (QAM) [7] and Orthogonal Variable Spread- ing Factor ...
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A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels
... direct-sequence CDMA [2] (multitone DS-CDMA) and that of orthogonal multicarrier DS-CDMA (MC DS-CDMA) [3] spreads the serial-to-parallel (S-P) converted data ...
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Multiuser Decorrelating Based Long Range Frequency Domain Channel Transfer Function Prediction in Multicarrier DS CDMA Systems
... and Orthogonal Frequency Di- vision Multiplexing (OFDM), MC DS-CDMA [1], [2], [3], [4], [5], has been proposed for a variety of high-rate wireless communication ...MC DS- CDMA ...
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... MC DS-CDMA system is shown explicitly in ...the multicarrier system using a given number of subcarriers changes slowly, when , and there is no pronounced optimum ...the ...
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Performance of Broadband Multicarrier DS CDMA using Space Time Spreading Assisted Transmit Diversity
... The system considered in this paper is an orthogonal MC DS-CDMA scheme [5], [8] using number of subcarriers, number of transmitter antennas, and one receiver ...MC DS- CDMA ...
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A Reed Solomon Coded DS CDMA System Using Noncoherent M ary Orthogonal Modulation over Multipath Fading Channels
... based DS-CDMA system is shown in ...modulated, DS spread and carrier-modulated using the approach of [8], in order to form the transmitted ...a DS-CDMA system in which ...
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Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... single-carrier DS-CDMA systems based on the philosophy of signal subspace estimation, which benefits from a lower compu- tational complexity and a better performance compared to the MOE based blind ...
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Cross Layer Resource Allocation for Variable Bit Rate Multiclass Services in a Multirate Multicarrier DS CDMA Network
... Recently, multicarrier (MC-) CDMA systems have been receiving a lot of attention as they can promise high data rate required by 4G mobile cellular systems, and they are effective in mitigating multipath ...
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Analysis, Design, and Test of CDMA LFSR with Offset Mask Using Standard ICs
... Finite fields provide the necessary theory in designing LFSR [6] [7]. From a primitive polynomial, the equiva- lent circuit can be modeled with electronic components such as flip flops and XOR gates; each monomial indi- ...
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Slow Frequency Hopping Multicarrier DS CDMA for Transmission over Nakagami Multipath Fading Channels
... FH/MC DS-CDMA systems using blind joint soft-detection has been investigated in [2] and [3], under assumption that the receiver has no knowledge of the associated FH patterns ...FH/MC DS-CDMA ...
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Performance and Analysis of DS-CDMA Rake Receiver and Analyzing the BER Performance in Presence of Nonlinear Distortion in DS-CDMA System
... a CDMA system by varying the system parameters. CDMA is a popular technology in cellular system due to its superior capacity and ...conventional CDMA, obtained better signal to ...
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PERFORMANCE ENHANCEMENT OF MULTICARRIER-CDMA WITH PAPR
... MC-CDMA is the multicarrier CDMA system which is the combination of CDMA and OFDM system.MC-CDMA is the latest wireless communication system used in mobile communication ...
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'Errors and Erasures' decoding performance of RS coded DS CDMA using M ary orthogonal signalling
... SC: Codeword decoding error probability versus the amplitude threshold, YT and the ratio threshold, T for the RS32,20 FEC code using EAE decoding based on the MOR-TT erasure insertion sc[r] ...
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Analytical Bit Error Rate Performance of DS CDMA Ad Hoc Networks using Large Area Synchronous Spreading Sequences
... LAS DS-CDMA system. The quasi-synchronous DS-CDMA systems using both 256-chip and 128-chip WH codes exhibit a poor performance owing to their high auto-correlation function ...
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ANALYSIS OF ACCEPTANCE OF MOBILE PAYMENT AS AN ALTERNATIVE TRANSACTION OF PARKING PAYMENT
... three multicarrier waveforms, namely, the filter bank multicarrier (FBMC), conventional orthogonal frequency division multiplexing (OFDM), and upcoming universal filtered multicarrier (UFMC) ...
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