wireless CDMA communication systems
Performance Evaluation of Diversity Techniques in IDMA Scheme for Next Generation (4G) in Underwater Wireless Communication
... The wireless cellular communication systems with first-generation (1G) of analogue stage used frequency division multiple access (FDMA) ...mobile communication systems, ...as ...
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Performance Improvement of Wireless communication System of DS CDMA with Rake Receiver
... the CDMA Rake receiver is used. In a wireless mobile communication system, a signal can travel from transmitter (TX) to receiver (RX) over multiple paths; this phenomenon is referred to as multipath ...
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Signal Processing by Generalized Receiver in DS-CDMA Wireless Communication Systems with Optimal Combining and Partial Cancellation
... We have also derived the optimal PCF range for GR first stage based on the PPIC, which is employed by DS-CDMA system, with hard decisions in multipath fading channel. Computer simulation shows that the BER ...
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MC CDMA based SDR for Next Generation Wireless Communication
... in wireless technology have made a need to propose hybrid systems to achieve excellent data rates and ...generation wireless communication. In MC-CDMA system, when the orthogonality is ...
8
Design and Implementation of MC CDMA Systems for Future Wireless Networks
... Each SW module uses the TMS320C6701 DSP from Texas Instrument. This component is based on a very long instruction word (VLIW) architecture making it possible to compute 8 operations per cycle at a 167 MHz frequency. The ...
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Lowest PAPR Selection Technique from SLM and PTS with One IFFT Block in Wireless MC-CDMA Communication Systems
... multicarrier systems (MC), such as Orthogonal Frequency Division Multiplexing (OFDM), or in Multi-Carrier Code Division Multiple Access (MC-CDMA) systems, due to large number of ...
5
Survey of Interference Mitigation Techniques and Correlation Properties of Spreading Codes for MC-CDMA System
... generation wireless communication ...MC-CDMA wireless communication systems by eliminating those issues with help of novel interference cancellation schemes Multiple Access ...
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Performance analysis of indoor optical wireless CDMA system using optical zero cross correlation Code
... Optical wireless communication systems (OWCs) have developed in response to a growing need for higher data rates, higher security, and more cost ...optical wireless communication ...
5
Effect of length on Correlation of PN sequence and Gold sequence
... interference-limited CDMA technology for mobile cellular ...in CDMA Environment” the performance of BPSK and 8-PSK in Code Division Multiple Access (CDMA) environment by using Cyclic Codes as the ...
5
Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels
... This paper proposes a “two-level” frequency hopping code- division multiple-access (FH-CDMA) scheme for digital wireless communication systems for the fading channels like Rayleigh and Rician ...
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Blind linear multiuser detection for DS-CDMA wireless networks
... globalised, wireless telecommunica tion must be able to provide mobile communications “anywhere” and ...future wireless communication systems, mainly due to its promise of capacity ...
221
Ber Improvement Of Ds-Cdma For Awgn And Rayleigh Fading Channel With Kasami Code
... any wireless system, fading is due to multipath propagation that is sometimes mentioned to as multipath induced ...In wireless telecommunication system, multipath is the propagation concept that results in ...
5
Analysis and Compensation of Power Amplifier Distortions in Wireless Communication Systems
... a communication device using its distinctive ...allow wireless devices to be identified by unique characteristics of their analog (radio) circuitry are referred to as physical-layer device ...
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Wireless communication between dataNode systems
... of Wireless Communication through ZigBee was done as a Proof of Concept as opposed to a polished, marketable feature, and there was no protocol available at the time to achieve what was needed for the ...
163
Circuits and Systems for Wireless Concurrent Communication
... I would like to thank all members of Caltech High Speed Integrated Circuits, Caltech Millimeter-Wave IC, and Caltech Mixed-Mode Integrated Circuits and Systems groups. I am particularly thankful to Dr. Aydin ...
186
Review on Characteristics of Wireless Communication Systems
... mobile communication environment in the past few decades has increased the dependency on the wireless communication system with the consistent improvement in the quality of ...The wireless ...
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Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems
... The choice of code greatly depends on the scenario and is se- lected based on its orthogonality, correlation properties, im- plementation complexity and PAPR [4, 12]. Walsh-Hadamard codes are simple to generate ...
5
Effect of Length on Correlation of PN Sequence and Gold Sequence
... ABSTRACT: Spread spectrum modulation technique is different from the conventional communication system. A good correlation property and large linear period of Pseudo-random sequence is the basis of spread spectrum ...
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Narrow-Band Interference Suppression in CDMA Spread-Spectrum Communication Systems Using Pre-Processing Based Techniques in Transform-Domain
... In this paper, we propose two pre-processing based methods in unitary transform-domain for narrow-band interference rejection in direct-sequence code-division multiple access (DS-CDMA) systems. On the other ...
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Spreading Sequence Design and Theoretical Limits for Quasisynchronous CDMA Systems
... The author would like to thank his colleagues and stu- dents, Dr. Xiaohu Tang, Prof. Daiyuan Peng, Dr. Li Hao, Dr. Xinmin Deng, Dr. Junsong Xie, Mrs. Wenxia Ye, and Mrs. Xiaoning Wang, for their related excellent work ...
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