Results 91 to 100 of about 15,137 (178)

The AMSC mobile satellite system: Design summary and comparative analysis [PDF]

open access: yes
Mobile satellite communications will be provided in the United States by the American Mobile Satellite Consortium (AMSC). Telesat Mobile, Inc. (TMI) and AMSC are jointly developing MSAT, the first regional Mobile Satellite Service (MSS) system. MSAT will
Noreen, Gary K.
core   +1 more source

PAPR Reduction Using CAZAC Sequences in SC-FDMA

open access: yesJournal of Measurement Science and Instrumentation, 2011
In this paper,a group of methods in reducing Peak to Average Power Ratio(PAPR)in 3GPP-LTE uplink Single-Carrier Frequency Division Multiple Access(SC-FDMA)using Constant Amplitude Zero Auto-Correlation Sequences(CAZAC)sequences were proposed.The authors ...
Lei LI, En-chang SUN, Yan-hua ZHANG
doaj  

Space Station communications and tracking systems modeling and RF link simulation [PDF]

open access: yes
In this final report, the effort spent on Space Station Communications and Tracking System Modeling and RF Link Simulation is described in detail. The effort is mainly divided into three parts: frequency division multiple access (FDMA) system simulation ...
Chie, Chak M.   +2 more
core   +1 more source

Performance of DA/FDMA architecture proposed for MSS [PDF]

open access: yes
The system architecture proposed for the Mobile Satellite Service (MSS) by the National Aeronautics and Space Administration (NASA)/JPL is presented. The demand assigned Frequency Division Multiple Access (FDMA) scheme is described, and results for the ...
Dessouky, Khaled   +2 more
core   +1 more source

Advanced communications payload for mobile applications [PDF]

open access: yes
An advanced satellite payload is proposed for single hop linking of mobile terminals of all classes as well as Very Small Aperture Terminal's (VSAT's).
Ames, S. A., Kwan, R. K.
core   +1 more source

Low-PAPR Pulse Shaping for Single-Carrier FDMA

open access: yesIEEE Access
High Peak-to-Average Power Ratio (PAPR) is a critical limitation in Orthogonal Frequency Division Multiplexing (OFDM) systems, particularly in 5G and Internet of Things (IoT) applications where energy efficiency is essential.
Shaharyar Kamal   +5 more
doaj   +1 more source

Multichannel demultiplexer/demodulator technologies for future satellite communication systems [PDF]

open access: yes
NASA-Lewis' Space Electronics Div. supports ongoing research in advanced satellite communication architectures, onboard processing, and technology development.
Abramovitz, Irwin   +4 more
core   +1 more source

Comparative Analysis between OFDMA and SC-FDMA: Model, Features and Applications

open access: yesInternational Journal of Electrical Engineering and Applied Sciences, 2019
This paper represents Orthogonal Frequency Division Multiple Access (OFDMA) and Single Carrier Frequency Division Multiple Access (SCFDMA) techniques along with the Orthogonal Frequency Division Multiplexing (OFDM).
Abdullah Al-Mamun Bulbul   +5 more
doaj  

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