multi-carrier DS-CDMA system
Exploring the reconfigurability options of multi carrier CDMA in cognitive radio systems
... a system parameter identified as the channel map ...a DS-CDMA system, upon receiving a trigger as a read-out from the chan- nel map, the system’s decision block decides to switch to a ...
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Serial Acquisition Performance of Single and Multi carrier DS CDMA over Nakagami $m$ Fading Channels
... MC DS-CDMA systems has been investigated and compared with various Nakagami- fading channels under the hypothesis of multiple synchronous states ( cells) in the uncertainty region of the PN ...MC ...
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Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking
... of DS/CDMA cellular system using channel activation and soft power control techniques,” in Proceedings of the IEEE Inter- national Symposium on Personal, Indoor and Mobile Radio Communications ...
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Single and Multi Carrier DS CDMA: Multi USer Detection, Space Time Spreading, Synchronisation, Standards and Networking
... narrow-band CDMA, W-CDMA and OFDM - as well as the sup- porting network structures - such as Local Area Networks and Wide Area ...FH/MC DS- CDMA ...IS-95 CDMA , cdma2000 and UMTS ...
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Serial Search Based Initial Code Acquisition in the Multiple Transmit/Receive Antenna Aided Multi Carrier DS CDMA Downlink
... SC-DS- CDMA benchmark system as a function of the number of transmit antennas for P = 1, 2 as well as 4 and that of the number of receive antennas for the specific values of R = 1, 2 and ...SC- ...
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ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENCE
... of Multi-Carrier (MC) modulation [6] and Code Division Multiple Access (CDMA) [7] have gained considerable interest due to their excellent performance ...as Multi-Carrier Direct ...
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ANALYSIS THE PERFORMANCE OF MULTI-CARRIER CDMA SYSTEM WITH FADING AND INTERFERENC
... effects. Multi Carrier Code Division Multiple Access (MC-CDMA) is a relatively new concept to improve the performance over multipath ...uses multi carrier transmission of ...
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Differentially Coherent Code Acquisition in the MIMO Aided Multi Carrier DS CDMA Downlink
... MC-DS-CDMA system in the context of differentially coherent code acquisition schemes [9, ...absolute carrier phase is necessary for the operation of differentially coherent code acquisition ...
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Differentially Coherent Code Acquisition in the Multiple Transmit/Receive Antenna Assisted Multi Carrier DS CDMA Downlink
... time-variant multi-path fading environments ...Single- Carrier (SC) CDMA and OFDM [4] have attracted research efforts ...synchronous CDMA systems the mobile station’s receiver must be capable ...
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Blind Per Survivor Processing Based Multiuser Detection for Channel Coded Multi Carrier DS CDMA Systems
... Subsequently, we analyse the performance of the synchronous MC DS-CDMA system considered, when employing three different channel coding schemes, namely Low Density Parity Check LDPC code[r] ...
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Download complete issue: Vol. 2, No. 1 (PDF)
... multicarrier CDMA scheme (MC-CDMA) is one approach used to overcome those ...multicarrier CDMA systems ...BER system multi carrier DS-CDMA and multirate traffic ...
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Non Coherent Code Acquisition in the Multiple Transmit/Multiple Receive Antenna Aided Single and Multi Carrier DS CDMA Downlink
... here for U =1 and 4 are T c1 =1/2.4576μs and T c =1/0.6144μs , respectively. Based on [2] when communicating over vari- ous fading channels having delay spreads in the range of [0.1 μs ,3 μs ], the fading processes of ...
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A resource allocation approach to control interference in Multi Carrier DS CDMA systems
... as multi-user detection (MUD)[19],interference cancellation(IC)[20] and antenna beam forming[21], and succeeded to reduce the intra-cell interference to a large extent and inter-cell interference to a small extent ...
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Interference Free Broadband Single and Multi Carrier DS CDMA
... LAS DS-CDMA exhibited sig- nificantly better performance than the tradition- al random-code-based DS-CDMA benchmark system in a relatively low-chip-rate scenario, pro- vided that all ...
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Non Iterative Algorithm for Multi user Detection in DS CDMA System: An Enhanced Harmony Search Algorithm
... and Multi-Carrier Code Division Multiple Access (MC-CDMA). CDMA is an efficient method of bandwidth allocation and is used in many to one wireless communication channels [2] ...higher ...
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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
... as multi-carrier modulation where its carrier spacing is carefully selected so that each sub-carrier is orthogonal to the other sub-carriers ...single carrier system, a single ...
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Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems
... generalized Multi-Carrier Direct Sequence Code Division Mul- tiple Access (MC DS-CDMA) system of [10] to propose a novel Differential Space-Time Spreading (DSTS) scheme as well as a ...
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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
... provide system designers/operators with efficient tools that provide potential insight into the interactions between CDMA signals and the nonlinear PD-HPA, leading to better understanding of the impact of ...
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A Unified Approach to the Analysis of Multicarrier DS CDMA over Nakagami $M$ Fading Channels
... multicarrier DS-CDMA (MC DS-CDMA) schemes is defined and its performance is considered over multipath Nakagami- m fading ...MC DS-CDMA scheme is a variable, allowing us to gain ...
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Local search particle swarm optimization algorithm channel estimation based on mc cdma system
... system, that's called LSPSO because it's a hybrid between PSO and genetic local search algorithms. The results of the simulation program explain BER improvement in LSPSO comparison with the other methods tested in ...
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