Results 81 to 90 of about 122,557 (242)

ANALISIS PREFERENSI PILIHAN KONSUMEN TERHADAP KARTU CDMA PRABAYAR

J@ti Undip: Jurnal Teknik Industri, 2012
Kartu CDMA Prabayar merupakan alternatif lain bagi pengguna telpon seluler, setelah GSM. Penelitian ini ditujukan untuk mengetahui preferensi konsumen pemakai kartu CDMA Prabayar dan mengidentifikasi prioritas faktor pilihan konsumen dalam memilih kartu ...
Uyuunul Mauidzoh
doaj   +1 more source

Large-System Analysis of Joint Channel and Data Estimation for MIMO DS-CDMA Systems

, 2011
This paper presents a large-system analysis of the performance of joint channel estimation, multiuser detection, and per-user decoding (CE-MUDD) for randomly-spread multiple-input multiple-output (MIMO) direct-sequence code-division multiple-access (DS ...
Mueller, Ralf R., Takeuchi, Keigo, Tanaka, Toshiyuki, Vehkaperae, Mikko   +3 more
core   +1 more source

CDMA Transmission with Complex OFDM/OQAM

EURASIP Journal on Wireless Communications and Networking, 2007
We propose an alternative to the well-known multicarrier code-division multiple access (MC-CDMA) technique for downlink transmission by replacing the conventional cyclic-prefix orthogonal frequency division multiplexing (OFDM) modulation by an advanced ...
Chrislin Lélé, Pierre Siohan, Rodolphe Legouable, Maurice Bellanger   +3 more
doaj   +1 more source

Large Families of Ternary Sequences with Aperiodic Zero Correlation Zone Sequences for a Multi-Carrier DS-CDMA System [PDF]

, 2002
A new method for generating families of ternary spreading sequences is presented. The sequences have aperiodic zero correlation zones and large families are created for a specific sequence length.
Donelan, H., O'Farrell, T.
core  

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

Comparison of CDMA and FDMA for the MobileStar(sm) system [PDF]

Spread-spectrum code division multiple access (CDMA) and single channel per carrier frequency division multiple access (FDMA) systems are compared for spectrum efficiency.
Gilhousen, K. S., Jacobs, I. M., Murphy, T., Renshaw, K., Weaver, L. A.   +4 more
core   +1 more source

Precise BER Formulas for Asynchronous QPSK-Modulated DS-CDMA Systems Using Random Quaternary Spreading Over Rayleigh Channels

, 2008
Precise bit-error-ratio (BER) analysis of an asynchronous QPSK-modulated direct-sequence code-division multiple-access system using random quaternary spreading sequences for transmission over Rayleigh channels is performed based on the characteristic ...
Hanzo, L, Liu, X
core   +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  

On the Uplink Performance of Asynchronous LAS-CDMA

, 2005
In this paper closed-form formulae are derived for characterizing the BER performance of Large Area Synchronous CDMA (LAS-CDMA) as a function of both the number of resolvable paths Lp and the maximum delay difference τmax, as well as the number of users ...
Hanzo, L., Wei, H.
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