Results 91 to 100 of about 31,714 (226)

On the variable capacity property of CC/DS-CDMA systems [PDF]

, 2006
A complete complementary code based direct sequence code division multiple access (CC/DS-CDMA) system has been proposed recently as a potential candidate for beyond third generation (B3G) wireless communications.
Chen, HH, Song, YH, Yang, Y, Wang, LP
core  

Symbol and Bit Error Rates Analysis of Hybrid PIM-CDMA [PDF]

, 2005
A hybrid pulse interval modulation code-division multiple-access (hPIM-CDMA) scheme employing the strict optical orthogonal code (SOCC) with unity and auto- and cross-correlation constraints for indoor optical wireless communications is proposed. In this
Ghassemlooy, Zabih, See, Chun, Z Ghassemlooy, CK See   +3 more
core   +1 more source

Generalized Multicarrier CDMA: Unification and Linear Equalization

EURASIP Journal on Advances in Signal Processing, 2005
Relying on block-symbol spreading and judicious design of user codes, this paper builds on the generalized multicarrier (GMC) quasisynchronous CDMA system that is capable of multiuser interference (MUI) elimination and intersymbol interference (ISI ...
Wang Zhengdao, Giannakis Georgios B, Anghel Paul A   +2 more
doaj   +1 more source

UNJUK KERJA PENYAMA TURBO PADA SISTEM CODE DIVISION MULTIPLE ACCESS (CDMA)

Techne, 2012
Penelitian ini bertujuan mengetahui unjuk kerja penyama turbo pada sistem Code Division Multiple Access (CDMA) dalam mengurangi BER akibat pengaruh interferensi.
Eva Yovita Dwi Utami
doaj  

Adaptive Rate DS-CDMA Systems using Variable Spreading Factors [PDF]

, 2004
—In this contribution, adaptive rate transmissions are investigated in the context of direct-sequence code-division multiple-access (DS-CDMA) systems using variable spreading factors (VSFs).
Yang, L-L., Hanzo, L.
core  

Differential Coherent Code Acquisition in the Multiple Transmit/Receive Antenna Aided DS-CDMA Downlink [PDF]

, 2006
In this contribution we investigate both differentially coherent and noncoherent code acquisition schemes in the multiple transmit/receive antenna aided DS-CDMA downlink, when communicating over uncorrelated Rayleigh channels.
Won, S-H., Won, S.H., Hanzo, L.
core  

CDMA Wireless Communication System of Coal Mine Based on the Telecom Public Network

Gong-kuang zidonghua, 2011
The paper introduced a mine-used CDMA wireless communication system based on the Telecom Public Network. The system introduces the Telecom Public Network CDMA signals into coal mine underground and makes integration of the Telecom Public Network CDMA ...
GU Yi-dong
doaj  

Interference Mitigation in B5G Network Architecture for MIMO and CDMA: State of the Art, Issues, and Future Research Directions

Information
The emergence of Beyond 5G (B5G) networks introduces novel challenges related to interference management, particularly within the context of Multiple-Input, Multiple-Output (MIMO) and Code Division Multiple Access (CDMA) technologies.
Haoxuan Yang, Faizan Qamar, Syed Hussain Ali Kazmi, Syed Talib Abbas Jafri, Khairul Akram Zainol Ariffin, Quang Ngoc Nguyen   +5 more
doaj   +1 more source

Subspace-Based Blind and Group-Blind Space-Time Multiuser Detection for the Generalized Multicarrier DS-CDMA Uplink [PDF]

, 2006
Subspace-based blind and group-blind space-time multiuser detection is invoked for a smart antenna aided generalized MC DS-CDMA system communicating over a dispersive Space-Time (ST) Rayleigh fading channel, where the channel estimates are attained by ...
Yang, L-L., Hanzo, L., Hu, B.
core  

Ant-colony-based multiuser detection for multifunctional-antenna-array-assisted MC DS-CDMA systems [PDF]

, 2008
A novel Ant Colony Optimization (ACO) based Multi-User Detector (MUD) is designed for the synchronous Multi-Functional Antenna Array (MFAA) assisted Multi-Carrier Direct-Sequence Code-Division Multiple-Access (MC DS-CDMA) uplink (UL), which supports both
Xu, C., Yang, L-L., Hanzo, L., Hu, B.
core