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Antenna Design for Modern Mobile Phones: A Review

open access: yesElectromagnetic Science
Due to limited antenna space, high communication requirements, and strict regulatory constraints, the design of antennas for modern mobile phones has become an exceedingly challenging task.
Yan Wang   +3 more
doaj   +1 more source

Fixed and reconfigurable multiband antennas [PDF]

open access: yes, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel UniversityWith the current scenario of development of antennas in the wireless communication field, the need of compact multiband, multifunctional and cost effective ...
Abutarboush, Hattan F
core  

Exploiting multiple antennas for synchronization [PDF]

open access: yes, 2009
Orthogonal frequency-division multiplex (OFDM) offers a low-complexity solution to equalization in multipath channels but does so by increasing the symbol period.
McLaughlin, Stephen; id_orcid   +4 more
core   +1 more source

Enhance the Capacity of MIMO Wireless Communication Channel using SVD and Optimal Power Allocation Algorithm [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2019
Multiple input multiple output (MIMO) is a multiple antenna technology used extensively in wireless communication systems. With the ever increasing demand in high data rates, MIMO system is the necessity of wireless communication.
Dalveer Kaur, Neeraj Kumar
doaj   +1 more source

Wideband Low-Profile Eight-Port Eight-Wave Annular-Ring Patch Antenna Based on Using Eight Dual-Shorted Dual-Resonant Ring Sectors for 8 × 8 MIMO Mobile Devices

open access: yesIEEE Access, 2023
A wideband eight-port eight-wave annular-ring (AR) patch antenna for $8\times $ 8 MIMO mobile devices is presented. The AR patch antenna is formed into eight dual-resonant 45o-ring sectors to radiate eight very-low-correlated or generally uncorrelated ...
Kin-Lu Wong, Hui-Chih Kao, Wei-Yu Li
doaj   +1 more source

Mobile WiMAX: impact of mobility on the performance of limited feedback linear precoding [PDF]

open access: yes, 2010
The mobile WiMAX standard (802.16e) uses multiple-input multiple-output (MIMO) limited feedback linear precoding to exploit the channel state information at the transmitter.
Nix, AR, Tran, T, Doufexi, A
core   +1 more source

Reconfigurable intelligent surface enabled programmable antenna chamber: Concept and preliminary experiments

open access: yesElectronics Letters
Antenna chambers are RF‐shielded enclosures which are required for antenna and radio performance measurements. Typically, anechoic chambers (ACs) are used for measuring directional metrics (e.g.
Yifa Li   +5 more
doaj   +1 more source

Analysis of RF Front-End Performance of Reconfigurable Antennas with RF Switches in the Far Field

open access: yesInternational Journal of Antennas and Propagation, 2014
The RF front-end performances in the far-field condition of reconfigurable antennas employing two commonly used RF switching devices (PIN diodes and RF-MEMS switches) were compared.
Insu Yeom   +4 more
doaj   +1 more source

Adaptive Antenna Array Control Algorithm in Radiocommunication Systems

open access: yesAlgorithms
An important element of modern telecommunications is wireless radio networks, which enable mobile subscribers to access wireless networks. The cell area is divided into independent sectors served by directional antennas.
Marian Wnuk
doaj   +1 more source

Mobile WiMAX: multi-cell network evaluation and capacity optimization [PDF]

open access: yes, 2008
The performance of a mobile WiMAX system is highly dependent on the application environment. Local clutter has a significant impact on the path loss exponent and the observed multipath statistics.
Nix, AR, Bian, YQ, Y. Q. Bian, A. R. Nix
core   +1 more source

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