Results 81 to 90 of about 7,178 (195)
Slow Frequency-Hopping Multicarrier DS-CDMA for Transmission over Nakagami Multipath Fading Channels
, 2001 A novel multiple access scheme based on slow frequency hopping multicarrier direct-sequence code division multiple access (SFH/MC DS-CDMA) is proposed and investigated, which can be rendered compatible with the existing second-generation narrowband CDMA ...
Hanzo, L., Yang, L-L.
core
International Journal of Communication Systems, Volume 37, Issue 1, 10 January 2024.WBANs are applied in E‐Healthcare systems, extract the physiological parameters through the implanted (in‐body) and/or wearable(on‐body) sensors applied to the human body, and route them to the remote server in a systematized and well‐grounded manner.
Bhawna Narwal +5 more
wiley +1 more source
, 2007 Burts-by-burst (BbB) adaptive high-speed downlink packet access (HSDPA) style multicarrier systems are reviewed, identifying their most critical design aspects.
Choi, B.J., Hanzo, Lajos
core +1 more source
Vectorial channel estimation for uplink MC-CDMA in beyond 3G wireless systems [PDF]
, 2003 In beyond 3G wireless systems the bandwidth efficiency can be increased with the use of adaptive antenna arrays. This paper focus on a key issue for adaptive antenna arrays, that is, channel parameters estimation including Direction-Of-Arrival (DOA).
Gameiro, A. S., Marques, P.
core +1 more source
Performance of MMSE STBC MC-CDMA over Rayleigh and MIMO METRA channels
, 2003 International audienceThe performance of MMSE Single-user Detection (SD) and Multi-user Detection (MD) STBC MC-CDMA systems are analysed and compared in the case of two transmit antennas and one or two receive antennas over Rayleigh fading channels and ...
Auffray, Jean-Michel +2 more
core +1 more source
STBC MC-CDMA systems for indoor and outdoor scenarios
, 2004 We compare the performance of Alamouti's space-time block coded MC-CDMA systems for indoor and outdoor realistic scenarios with zero forcing or minimum mean square error detection schemes. Two different configurations of the system are considered for the
Auffray, Jean-Michel +3 more
core +1 more source
Esquemas de pré-codificação IA com IB-DFE para sistemas MC-CDMA [PDF]
, 2013 Mestrado em Engenharia Eletrónica e TelecomunicaçõesTo achieve high bit rates, needed to meet the quality of service requirements of future multimedia applications, multi-carrier code division multiple access (MC-CDMA) has been considered as a candidate ...
Moreira, José Eduardo Leal
core
Ant-colony-based multiuser detection for multifunctional-antenna-array-assisted MC DS-CDMA systems
, 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
Hanzo, L., Hu, B., Xu, C., Yang, L-L.
core +1 more source
Design of a Baseband Transceiver for Multicarrier CDMA Communications
EURASIP Journal on Advances in Signal Processing, 2005 Multicarrier systems have become popular for their spectral efficiency and robustness against frequency-selective fading. Multicarrier code-division multiple access (MC-CDMA) is a technique that combines the advantage of multicarrier modulation with ...
Tsai Pei-Yun +2 more
doaj +1 more source
Improving Performance of MC-CDMA Systems Using UTTCM Channel Coding
Journal of Telecommunications and Information TechnologyOver the past decade, personal communications have witnessed exponential growth, fueled by the increasing number of connected users and the diversity of transmitted data types. This expansion necessitates a boost in the transmission systems' capacity to
Ridha Ilyas Bendjillali +3 more
doaj +1 more source