MC-CDMA access scheme
Fractionally Spread Multicarrier CDMA: A Multiple Access Scheme for Various Wireless Channels
... FS MC- CDMA is capable of efficiently exploiting both the frequency- selective and the time-selective characteristics of the wireless channels encountered for enhancing the achievable BER perfor- ...FS ...
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Performance of Generalized Multicarrier DS CDMA over Nakagami $m$ Fading Channels
... generalized MC DS-CDMA is a variable, allowing us to gain insight into the effects of the spacing on the bit error rate (BER) performance of MC DS-CDMA ...generalized MC DS-CDMA ...
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Performance of Broadband Multicarrier DS CDMA using Space Time Spreading Assisted Transmit Diversity
... conventional MC DS-CDMA schemes employing time (T)-domain spreading only, in this contribution we also investigate broadband MC DS-CDMA schemes employing both T-domain and frequency (F)-domain ...
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An Overview of PAPR Reduction Techniques for an MC CDMA System
... like CDMA and OFDM are now days being implemented commonly. MC-CDMA (or OFDM-CDMA) multiple access has become a most likely technique for future generation broadband wireless ...
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MULTI CARRIER CODE DIVISION MULTIPLE ACCESS (MC-CDMA) IS TECHNOLOGY FOR FAR-FLUNG INTERNET.
... previous scheme is that we have to take no of sub-carriers equal to the spreading factor which is not practically feasible for large no of ...this scheme, two bits are transmitted at a time keeping SF same ...
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A novel code based iterative PIC scheme for multirate CI/MC CDMA communication
... of CDMA in cellular and wireless personal communication systems is limited by multiple-access interference (MAI) due to simultaneous transmission of more than one ...
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A Novel Hybrid Multiple Access Scheme in Downlink for 4G Wireless Communications
... multicarrier CDMA schemes can be categorized into two groups: One (MC-CDMA) spreads the original data stream using a given spreading code and then modulates different subcarriers with each chip, ...
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PERFORMANCE ANALYSIS OF WAVELET PACKET BASED MC-CDMA WITH THE MC-CDMA SYSTEM USING HHT TRANSFORM WITH DIFFERENT NO OF USER
... Multiple Access (MC-CDMA) techniques attract more attention of researcher’s due to its high frequency spectrum efficiency and high data rate ...multiple access (MC-CDMA) ...
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Performance Comparison of FH/MC DS CDMA with Single and Multi Carrier DS CDMA
... The multiple-access scheme is constituted by frequency-hopping FH based multicarrier DS-CDMA FWMC DS-CDMA, where the entire bandwidth of future systems can be divided into a number of su[r] ...
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PAPR Reduction Using PSO-GSA Tuned PTS Techniques in MC-CDMA System
... Multiple Access (MC-CDMA) is a promising technology for 4G wireless communication ...Multiple Access (MC-CDMA), which convert frequency selective channel to several flat fading ...
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Generic Reduced Complexity MMSE Channel Estimation for OFDM and MC CDMA
... Multiple Access (MC- CDMA) techniques [1] are capable of satisfying these requirements, since they are capable of coping with highly time-variant wireless channel ...DDCE scheme is that in ...
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Multicarrier DS CDMA: A Multiple Access Scheme for Ubiquitous Broadband Wireless Communications
... multiple access system with bandwidth on the order of tens or even hun- dreds of ...multiple access schemes: single-carrier direct- sequence CDMA (SC DS-CDMA), multicarrier CDMA ...
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Download complete issue: Vol. 2, No. 1 (PDF)
... multi-code scheme and a multi-carrier code division multiple access (MC-CDMA) and ALOHA, called MC-MC-CDMA S-ALOHA, with dual medium, is proposed and analyzed in an AWGN ...
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Differential space time modulation schemes for smart antenna aided generalized multicarrier DS CDMA systems
... tiple Access (MC DS-CDMA) system of [10] to propose a novel Differential Space-Time Spreading (DSTS) scheme as well as a Differential Steered Space-Time Spreading (DSSTS) scheme for the ...
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Subcarrier Group Assignment for MC CDMA Wireless Networks
... Throughput depicts a measure of achievable transmission rates for information streams conveyed over the wireless medium with high reliability. In the dynamic environment of cellular networks, attained throughputs for ...
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Performance Evaluation of MC CDMA for Fixed WiMAX with Equalization
... Spreading is done at the transmitter when a spread code is multiplied with the user data. At the receiver the required user data is extracted with the help of correlation and this process is called descrambling. The ...
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Low Complexity Channel Estimation for OFDM and MC CDMA
... The ever-increasing demand for high data-rates in wireless networks requires the efficient utilisation of the limited bandwidth available, while supporting a high grade of mobility in diverse propagation en- vironments. ...
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Joint Impact of Frequency Synchronization Errors and Intermodulation Distortion on the Performance of Multicarrier DS-CDMA Systems
... an MC-DS-CDMA system model where lin- ear signal processing operations (either in the time do- main or in the frequency domain) are simply represented by matrix ...
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Multiuser Detection using IDMA Scheme in UWB Home Environment
... for user separation, and should be orthogonal for all the users. It is assumed that the interleavers are generated independently and randomly. The randomly generated interleavers disperse the coded sequences so that the ...
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Low Complexity Channel Estimation for OFDM and MC CDMA
... SUMMARY In this paper we have proposed a channel estimation method, which is based on a low-complexity decision directed MMSE FS-CLR estimator combined with a robust time-domain FS-CIR p[r] ...
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