[PDF] Top 20 Performance of Generalized Multicarrier DS CDMA Using Various Chip Waveforms
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Performance of Generalized Multicarrier DS CDMA Using Various Chip Waveforms
... A GENERALIZED multicarrier direct-sequence code-division multiple access (MC DS-CDMA) scheme using rectangular chip waveforms has been investigated, when communicating ... See full document
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Generalized Multicarrier DS CDMA Using Various Chip Waveforms
... additional chip waveforms, namely the time-domain half-sine as well as the raised-cosine chip waveforms, in addition to the rectangular chip ...of various chip ...BER ... See full document
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... multitone DS-CDMA scheme marginally outperforms the orthogonal MC DS-CDMA scheme, when the channel fading is extremely severe, such as in the case of , and ...multitone DS-CDMA ... See full document
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Performance of the Smart Antenna Aided Generalized Multicarrier DS CDMA Downlink using both Time Domain Spreading and Steered Space Time Spreading
... the performance of the system supporting 32 users is similar to that of the system supporting a single ...of using orthogonal multicarrier signals, synchronous transmission of the K user signals as ... See full document
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Performance of the Smart Antenna Aided Generalized Multicarrier DS CDMA Downlink using both Time Domain Spreading and Steered Space Time Spreading
... PERFORMANCE RESULTS In this section the BER performance of the downlink of a generalized MC DS-CDMA system employing SSTS and using 32-chip Walsh codes as T-domain spreading sequences as[r] ... See full document
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Zero Forcing and Minimum Mean Square Error Multiuser Detection in Generalized Multicarrier DS CDMA Systems for Cognitive Radio
... BER performance of the MC DS- CDMA system using both the OZF-MUD and SZF-MUD and supporting K = 31 users, when communicating over frequence-selective fading ...BER performance, when the ... See full document
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Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems
... attainable performance of gen- eralized MC DS-CDMA systems operating in fast fading chan- ...attainable performance of both the DSTS and DSSTS schemes is about 3 dB worse than those of the ... See full document
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Subspace Based Blind and Group Blind Space Time Multiuser Detection for the Generalized Multicarrier DS CDMA Uplink
... aided generalized MC DS-CDMA system communicating over a dispersive Space-Time (ST) Rayleigh fad- ing channel, where the channel estimates are attained by using subspace- based blind ...the ... See full document
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LAS CDMA using Various Time Domain Chip Waveforms
... Figure 3 portrays the BER versus channel SNR performance comparison ofrandom code based classic CDMA and LAS CDMA in conjunction with the various chip-waveforms considered, when communic[r] ... See full document
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Performance of the Smart Antenna Aided Multicarrier DS CDMA and its Uplink
... combined using one of the four types of optimum linear com- bining ...achievable performance of the generalized MC DS-CDMA systems using the above- mentioned optimum linear ... See full document
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Generalized Multicarrier CDMA: Unification and Linear Equalization
... carrier DS-CDMA and several multicarrier CDMA systems, which allow us to implement the various options digitally as special ...promising performance of GMC-CDMA relative ... See full document
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Performance of Broadband Multicarrier DS CDMA using Space Time Spreading Assisted Transmit Diversity
... (BER) performance of broadband multicarrier direct-sequence CDMA (MC DS-CDMA) using STS-assisted transmit diversity, when communicating over frequency-selective Rayleigh-fading ... See full document
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Software Defined Radio Assisted Adaptive Broadband Frequency Hopping Multicarrier DS CDMA
... narrowband CDMA, W-CDMA, and OFDM — as well as the supporting network structures such as LANs and ...FH/MC DS-CDMA ...FH/MC DS-CDMA link budget through adaptive variation of the ... See full document
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A Unified Exact BER Performance Analysis of Asynchronous DS CDMA Systems Using BPSK Modulation over Fading Channels
... Abstract— An asynchronous binary DS-CDMA system using random spreading sequences is considered when communicating over various fading channels. New closed-form expressions are derived for the ... See full document
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Coherent and Differential Downlink Space Time Steering Aided Generalised Multicarrier DS CDMA
... compared to conventional systems employing a single element per AA. Explicitly, observe in Figure 5 that the system employing a ( 2 ×4 )-dimensional AA for second order transmit diversity and fourth order beamforming ... See full document
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PERFORMANCE ENHANCEMENT OF MULTICARRIER-CDMA WITH PAPR
... MC CDMA transmitter is combination of CDMA and OFDM ...MC CDMA transmitted signal is fed to Clipping followed by filtering then the signal is processed through DAC and ...system performance by ... See full document
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A Flexible Transmit Diversity Assisted Broadband Multicarrier DS CDMA Scheme
... However, the actual diversity gain achieved by using multiple BS antennas and by combining the subcarrier signals is time-variant, since the coherence bandwidth associated with the above[r] ... See full document
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Analytical Bit Error Rate Performance of DS CDMA Ad Hoc Networks using Large Area Synchronous Spreading Sequences
... for decades and have evolved to sensor networks and mesh networks [8, 9], both of which potentially support a large number of nodes in the network. Although the appli- cation of LAS codes in cellular networks is limited ... See full document
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Performance of Cellular DS CDMA Systems Using Distributed Antennas
... BER versus coordinates x, y performance of the distributed antenna cellular DS-CDMA system supporting single user, when the user signal experiences pass-loss, lognormal shadowing slow fa[r] ... See full document
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Multicarrier DS CDMA: A Multiple Access Scheme for Ubiquitous Broadband Wireless Communications
... L AJOS H ANZO [SM] ([email protected]) received his Mas- ter’s degree in electronics in 1976 and his doctorate in 1983. During his 26-year career in telecommunications he has held various research and academic ... See full document
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