Results 71 to 80 of about 5,755 (223)
International Journal of Intelligent Systems, Volume 2025, Issue 1, 2025.The Internet of Things (IoT) has become a transformative force across various sectors, including healthcare, offering new opportunities for automation and enhanced service delivery. The evolving architecture of the IoT presents significant challenges in establishing a comprehensive cyber‐physical framework. This paper reviews recent advancements in IoT‐
Attiq Ur Rehman +11 more
wiley +1 more source
Multiple access based on three-stage modulation in multi-band OFDM-UWB system
Tongxin xuebao, 2007 According to the characteristics of multi-band orthogonal frequency-division multiplexing ultra-wideband（OFDM-UWB） system,a multiple access based on three-stage modulation（TSM-MA） was proposed.It combined multi-carrier code division multiple access（MC ...
BAO Zhi-hua +3 more
doaj +2 more sources
Performance of Generalized Multicarrier DS-CDMA Using Various Chip Waveforms [PDF]
, 2003 In this letter, we extend our investigation of generalized multicarrier direct-sequence code-division multiple access by considering two additional types of chip waveforms, namely, the time-domain half-sine and raised-cosine chip waveforms, in addition ...
Lie-Liang Yang +3 more
core +1 more source
Dynamic and efficient device collaborations in 5G‐advanced and 6G networks
IET Communications, Volume 18, Issue 19, Page 1437-1450, December 2024.Collaborative transmission, comprising multiple devices owned by a single user, is progressively evolving into an essential strategy to meet the stringent demands of burgeoning collaborative scenarios in 5G‐advanced and 6G networks. This paper proposes three novel use cases for device collaboration, namely data duplication, data splitting and wireless ...
Xianghui Han +5 more
wiley +1 more source
EURASIP Journal on Advances in Signal Processing, 2002 The recently developed blind adaptive techniques for multiuser detection in code division multiple access (CDMA) systems offer an attractive compromise of performance and complexity.
Høst-Madsen Anders +2 more
doaj +1 more source
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
IET Radar, Sonar &Navigation, Volume 18, Issue 12, Page 2447-2453, December 2024.A method is presented to passively synchronise data records via GNSS raw signals in a single record requiring only a GNSS antenna, an analogue‐to‐digital converter and computation hardware. The clock bias is estimated via the common view method with either full raw signal correlation or software‐based code correlation of individual signals from the GPS,
Erik Busley +3 more
wiley +1 more source
Receiver Multiuser Diversity Aided Multi-Stage MMSE Multiuser Detection: A Low-Complexity Detector Fast-Converging to the Optimum [PDF]
, 2010 Design of low-complexity detection schemes that can approach near-optimum bit error rate (BER) performance in multiuser or other multiple-input multiple-output (MIMO) systems has always been highly challenging.
Yang, Lie-Liang, Lie-Liang Yang
core +1 more source
IET Communications, Volume 18, Issue 17, Page 1071-1078, October 2024.The study integrates dimmable constant weight polar‐coded non‐orthogonal multiple access (CWPC‐NOMA) with orthogonal space‐time block coding (OSTBC) for visible light communication (VLC). The proposed scheme enhances spectral efficiency and reliability while optimizing resource utilization and leveraging transmit diversity.
Oluwaseyi Paul Babalola, Vipin Balyan
wiley +1 more source
Redundant Residue Number System Assisted Multicarrier Direct-Sequence Code-Division Dynamic Multiple-Access for Cognitive Radios [PDF]
A redundant residue number system assisted multicarrier direct-sequence code-division dynamic multiple-access (RRNS MC/DS-CDDMA) scheme is proposed for application in cognitive radios (CRs).
Zhang, Shuo +2 more
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