multiple-carrier CDMA systems
Non Coherent Code Acquisition in the Multiple Transmit/Multiple Receive Antenna Aided Single and Multi Carrier DS CDMA Downlink
... both multiple transmit antennas and mul- tiple subcarriers in the DownLink (DL) of wireless systems exhibits an attractive technique of reducing the detrimental effects of time-variant multi-path fading ...
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Adaptive modulation and rate coding multi carrier code division multiple access technique for 4G mobile communication systems
... The main advantages of MC-CDMA include efficiency and flexibility in spectrum usage. Other users are allowed to use the spectrum or subcarriers in the MC- CDMA design if it is not used by the current user. ...
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Performance Comparison of FH/MC DS CDMA with Single and Multi Carrier DS CDMA
... The multiple-access scheme is constituted by frequency-hopping FH based multicarrier DS-CDMA FWMC DS-CDMA, where the entire bandwidth of future systems can be divided into a number of su[r] ...
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A resource allocation approach to control interference in Multi Carrier DS CDMA systems
... classical Multiple choice Knapsack problem ...communication systems the resource allocation problem relates to the allocation of finite number of subcarriers to the users which in turn forms the ...
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Reverse Link Outage Probabilities of Multicarrier CDMA Systems with Beamforming in the Presence of Carrier Frequency Offset
... communication systems demand high-data- rate multimedia transmissions in diverse mobile environ- ...Code-division multiple access (CDMA) has re- ceived tremendous attentions because it offers various ...
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Fuzzy MIMO detector for MC CDMA systems with carrier frequency offset over multipath fading channels
... (MC- CDMA) systems [1-4] are currently under consideration for application in WiMAX and WiFi systems in future broadband wireless communication ...sequence CDMA (DS-CDMA) system, ...
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Design, characterisation and performance assessment issues of multi-carrier CDMA exploiting higher order PSK/QAM formats for future wireless systems
... multi-carrier CDMA is presented in Chapter ...of CDMA multiple access ...of CDMA technology, explains the fundamentals of CDMA and describes the different CDMA techniques ...
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Differentially Coherent Code Acquisition in the Multiple Transmit/Receive Antenna Assisted Multi Carrier DS CDMA Downlink
... both multiple transmit antennas and subcarriers in the downlink of wireless systems exhibits an attractive technique of reducing the detrimental effects of time-variant multi-path fading environments ...
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Design of Space-Time Coded Single-Carrier and Multi-Carrier MIMO-CDMA systems
... with multiple antennas. In MIMO scheme multiple antennas are used and STBC codes generate the code symbols which are equal to the number of transmitting antennas that are used in MIMO ...
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Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels
... direct-sequence CDMA [1], [4] in some ways like reduced near-far problem, better resistance to multiple access interference (MAI) and multipath interference, less stringent power ...allows multiple ...
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Serial Acquisition Performance of Single and Multi carrier DS CDMA over Nakagami $m$ Fading Channels
... are multiple synchronous states ( cells) in the uncertainty region of the PN code ...DS-CDMA systems and multicarrier DS-CDMA (MC DS-CDMA) systems, since MC DS-CDMA ...
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MULTI CARRIER CODE DIVISION MULTIPLE ACCESS (MC-CDMA) IS TECHNOLOGY FOR FAR-FLUNG INTERNET.
... Like all multi-transporter strategies, STBC MC-CDMA experiences high PAPR. The high PAPR of the transmitted sign which thusly brings about high information back-off (IBO) for the force speaker[4], drives the force ...
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Evaluation of BER in CDMA with Parallel Interference Cancellation
... SC-FDE systems [2] can be eliminated completely using redundant cyclic ...single carrier, instead of the ...division multiple access (CDMA), with higher capacity than other multiple ...
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Mixed Transforms Generated by Tensor Product and Applied in Data Processing
... Communication systems today are growing rapidly then the need for high speed or high bit rate with limited bandwidth or limited frequency for that ....The multiple inputs multiple outputs (MIMO) ...
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Vol 4, No 3 (2012)
... communication systems demand very high data rates, anti-jamming ability and multiuser ...Division Multiple Access (CDMA) fulfil these requirements but, at the same time, suffer from the Intersymbol ...
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PAPR Reduction Using PSO-GSA Tuned PTS Techniques in MC-CDMA System
... Multicarrier systems such as Orthogonal Frequency Division Multiplexing (OFDM) and Multi Carrier Code Division Multiple Access (MC-CDMA) are considered to be the promising technologies for 4G ...
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Local search particle swarm optimization algorithm channel estimation based on mc cdma system
... wireless systems, which enable consumers to communicate anywhere through the information, has in turn led to the emergence of many portable wireless communications products ...compliment. CDMA is a ...
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A High-Throughput VLSI Architecture for SC-FDMA MIMO Detectors
... wireless systems are multiple-antenna communication schemes that can achieve very high spectral efficiencies in scattering environments with no increase in bandwidth or transmitted ...
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Near-Optimal Performance with a Significant Reduction in the Complexity for MIMO SC-FDMA Systems
... combines multiple-input multiple-output (MIMO) technology with orthogonal frequency division-multiple access (OFDMA) technology in the downlink and single carrier-frequency division ...
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Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems
... Example of an adaptation cycle using IRIS: At this point, we assume the availability of a system parameter identified as the channel map (CM). Fig. 7 illustrates a conceptual reconfigura- tion process explaining the ...
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