orthogonal code-division multiple-access
Performance Analysis of OFDMA/CDMA Based System towards New Multiple Access Technique Ashesh Vasalya 1, N. Amutha Prabha2
... new access scheme in the LTE downlink therefore, with the proper combination of WCDMA and OFDMA a new multiple access technique is developed called OWCFDMA (orthogonal wideband code ...
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Implementation of multi carrier code division multiple access frequency division multiple access with beyond 4G specifications
... Therefore MC-CDMA is formed by combining orthogonal frequency division multiplexing (OFDM) with CDMA became a significant research topic. Consequently MC-CDMA has the advantages of both CDMA and OFDM. The ...
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A Review on Orthogonal Frequency Division Multiple Access (OFDMA) in Broadband Wireless Access
... radio access technology, one of the most common BS assignment approaches is the Minimum Path Loss (MPL) that assigns each user to the BS that provides the highest radio link gain ...and multiple antennas ...
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Multiple Input Multiple Output Antenna Design
... (code division multiple access), OFDM (orthogonal frequency division multiplexing) and UWB (ultra- wide band) are the most developed technologies in present day mobile ...
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MULTI CARRIER CODE DIVISION MULTIPLE ACCESS (MC-CDMA) IS TECHNOLOGY FOR FAR-FLUNG INTERNET.
... Block Code Multi Carrier Code Division Multiple Access (STBC MC-CDMA) is a promising innovation for 4G remote correspondence ...of Multiple Input Multiple Output (MIMO) ...
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Frequency Reuse In Orthogonal Frequency Division Multiple Access Network
... The users of CDMA system use the same time space and band with different codes. The signal that is transmitted can be retrieved back by the transmitter using the same PN code. CDMA uses a single carrier technique ...
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Implementation of Code Division Multiple Access using Asynchronous Sequential Techniques
... The signal of each user is separated or “de-spread” from the others at the receiver using a correlator key with the associated code sequence. Spreading codes of a spreading sequence can be divided into ...
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Lowest PAPR Selection Technique from SLM and PTS with One IFFT Block in Wireless MC-CDMA Communication Systems
... as Orthogonal Frequency Division Multiplexing (OFDM), or in Multi-Carrier Code Division Multiple Access (MC-CDMA) systems, due to large number of ...
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Transmitter-based Multiple Access Interference Rejection and Diversity Techniques for Code-division Multiple Access Systems
... In this section, we observe the performance of linear precoding techniques by a few numerical experiments. For all simulation examples, BPSK modulation, orthogonal signature sequence spreading and equal transmit ...
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PAPR Reduction Using PSO-GSA Tuned PTS Techniques in MC-CDMA System
... band orthogonal subcarriers [1, ...as Orthogonal Frequency Division Multiplexing (OFDM) and Multi Carrier Code Division Multiple Access (MC-CDMA) are considered to be the ...
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Detailed Mathematical Analysis and Performance Evaluation of MIMO-OFDM-CDMA System Using ZF Receiver
... Code Division Multiple Access (CDMA) is a multiplexing technique where a large number of users simultaneously share a radio channel at the same time by spreading their information with ...
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Evaluation of BER in CDMA with Parallel Interference Cancellation
... in Code division multiple access with cyclic prefix (CP-CDMA) systems and proposed a new model for cyclic prefix code division multiple access with less complexity ...
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BER performance of MC DS CDMA systems in the presence of timing jitter : a thesis presented in partial fulfillment of the requirements for the degree of Master of Engineering in Information and Telecommunication Engineering at Massey University, Palmerston North, New Zealand
... rate orthogonal sub-carriers coupled with the use of advanced modulation techniques on each component, resulting in a signal with high resistance to ...is orthogonal to the other sub-carriers ...
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An enhanced technique for PAPR reduction in mobile WIMAX
... referred to as WiMAX, the IEEE 802.20 mobile Wireless MAN standard, commonly referred to as MBWA, various downlink of the (LTE) fourth generation mobile broadband standard. The radio interface was formerly named ...
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Design, Modelling and Implementation of Variable FFT Processor
... The design and implementation of variable FFT processor of length N=1024 is done for OFDMA application and synthesized on Virtex-5 FPGA successfully. The design is simulated for different test cases and analyzed with ...
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Intercept Behaviour Analysis of Industrial Wireless Sensor Networks in the Presence of Eavesdropping Attack
... In this paper, we proposed thatthe industrial wireless sensor networks in the presence of eavesdropping attack which had improved with USB utilization, around time, waiting time, response time, and inrease in throughput. ...
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The Survey on Evolution of Wireless Network Generations
... broadband access, video chat, Digital Video Broadcasting (DVB), least services like voice and data, mobile TV, Multimedia Messaging Service (MMS) HDTV content, and other services that make use of ...
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A Review on : Resource allocation and Routing in MIMO-OFDM Systems
... The Multiple-Input Multiple-Output technique in wireless transmission system has shown high level improvements in offering the high level of spectral efficiency in wireless system with mesh ...for ...
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Design and Implementation of Low Power FFT Processor for OFDM Wireless Communication
... UWB has became a hot research topic and plenty of research results have been published. Multiband-OFDM standard is one solution for UWB technology. A proposal for Multi-band OFDM UWB standard is published by IEEE 802.15 ...
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An Overview of Various Techniques to Improve Receive Diversity in MIMO OFDM
... of multiple antennas can be utilized in order to obtain a multiplexing gain, a diversity gain, or an antenna gain, thus enhancing the throughput (in terms of capacity) or bit rate, the error performance, or the ...
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