correlated fading direct-sequence code-division multiple-access wireless links.
ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENCE
... of wireless communications, the combinations of Multi-Carrier (MC) modulation [6] and Code Division Multiple Access (CDMA) [7] have gained considerable interest due to their excellent ...
6
Influence of laser diode nonlinearities on fibre optic systems supporting direct-sequence code division multiple access signals
... of wireless communications beyond the lim itations of current cellular systems to enable communication with a person, at any time, at any place, and in any form ...by wireless access, personal ...
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Evaluation of BER in CDMA with Parallel Interference Cancellation
... broadband wireless systems presents a big challenge, since these systems should be able to cope with severely time-dispersive channels and are expected to have high spectral and power ...The wireless ...
5
Study and analysis the BER performance of linear multiuser detectors in non-Gaussian noise channel
... of direct sequence code-division multiple-access (DS-CDMA) ...structured multiple access interference in CDMA communication ...as wireless radio channels and ...
11
Joint Impact of Frequency Synchronization Errors and Intermodulation Distortion on the Performance of Multicarrier DS-CDMA Systems
... multicarrier direct-sequence code-division multiple-access (MC-DS-CDMA) downlink systems subject to these impairments in frequency-selective Rayleigh fading channels, ...
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Multi Functional Antenna Array Assisted MC DS CDMA Using Downlink Preprocessing Based on Singular Value Decomposition
... multicarrier direct-sequence code-division multiple-access (MC DS-CDMA) systems using multiple base-station antenna arrays, where each antenna ar- ray employs ...
5
Transmitter-based Multiple Access Interference Rejection and Diversity Techniques for Code-division Multiple Access Systems
... cellular wireless systems, the network consists of numerous mobile users communicating with one or multiple base stations (BS) that are interconnected with a mobile telephony switching ...the code- ...
120
Hybrid pulse interval modulation code division multiple access for optical wireless communications
... the direct-sequence spread spectrum (DSSS) or the frequency-hopping spread spectrum (FHSS) be used (and or PPM for IR wireless system, this will be discussed later in section ...hoc wireless ...
215
A novel low complexity multiuser detector based on modified genetic algorithm in Direct Sequence-Code Division Multiple Access communication systems
... In this section, the performance of the algorithm de- scribed in Section 3 is compared with two optimization- based algorithms, PSO and ACO, considering BER as the main gure of merit. The convergence of each algorithm ...
9
Exact Performance Measures for Direct-Sequence Code Synchronization in Fading Channels
... Abstract—This paper presents an exact performance analysis for the evaluating a mean acquisition time in a cellular code division multiple access system. New expressions for the probabilities ...
13
MIMO Assisted Space Code Division Multiple Access: Linear Detectors and Performance over Multipath Fading Channels
... a multiple-input–multiple-output space-division, code-division multiple-access (MIMO SCDMA) ...existing direct-sequence (DS)-CDMA systems, for example, for ...
11
Blind linear multiuser detection for DS-CDMA wireless networks
... globalised, wireless telecommunica tion must be able to provide mobile communications “anywhere” and ...The Code Division Multiple Access (CDMA) technology has been proposed to ...
221
Multirate Transmission in Frequency Hopping Multicarrier Direct Sequence Code Division Multiple Access Systems
... The BER performance of the constant-weight code based multirate FH/MC DS-CDMA systems using random FH schemes is shown in Fig.3 and Fig.4 in terms of the multipath Nakagami-m fading chan[r] ...
5
Performance Evaluation of a DS CDMA System in a Rayleigh Fading Environment
... Rayleigh fading channel has been investigated in this re- ...mobile wireless channel either AWGN channel or Rayleigh distributed flat or frequency selective fading chan- ...a Direct ...
9
Using chaotic sequence in direct sequence spread spectrum based on code division multiple access (DS CDMA)
... even for very long sequences. In addition, an enormous number of different sequences can be generated simply by changing its initial condition. Chaotic sequences are deterministic, reproducible, uncorrelated and ...
10
A Review on Orthogonal Frequency Division Multiple Access (OFDMA) in Broadband Wireless Access
... diverse wireless situations and have different sensing results, synchronization between the switches at the transmitter and receiver might not be assured as a two- switch channel model was engaged for cognitive ...
17
The Survey on Evolution of Wireless Network Generations
... Signaling and Data Confidentiality and Mobile station Authentication maintained by GSM. In 1991, 2G was first launched in Finland. Digital modulation signal was used in 2G.Its data speed is 14kbps to 64kbps Digital data ...
6
Time Hopping Multicarrier Code Division Multiple Access
... multicarrier code-division multiple-access (TH/MC-CDMA) scheme is proposed, where data is transmitted using relatively high-duration time-domain pulses with the aid of M -ary PPM ...
11
CDMA SIGNALING TECHNIQUE USING MATLAB
... multipath fading can severely reduce transmission ...over multiple channels that exhibit independent fading with comparable strengths, the chances that all the independently faded signal components ...
8
Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications
... conventional code division multiple access technique used in third generation system faces serious limitations by channel dispersion, causing inter symbol interference (ISI), and it requires ...
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