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International Journal of Antennas and Propagation
1803 Publications
collected from a compatible aggregator


  • User Effects on MIMO Performance: From an Antenna to a Link Perspective

    Ali, Shirook M.; Mobasher, Amin; Lusina, Paul (2011)
    We investigate in this paper the effects of the user's presence on the performance of a multiple-input multiple-output (MIMO) system in data and in voice usage scenarios. The investigation studies the user effects on the antenna performance and how these are incorporated into the MIMO channel and the link characteristics. The antennas and the user are deterministic. These are then integrated into the statistical 3GPP spatial channel model (SCM) for a typical macrocell propagation environment ...

    A Compact Size 4–19.1 GHz Heart Shape UWB Antenna with Triangular Patches

    Isik, Gokmen; Topaloglu, Serkan (2013)
    An ultrawideband antenna is designed, simulated, and realized. To overcome the narrow bandwidth characteristics of basic patch antennas, the structure of the radiation pattern is optimized by the aid of elliptical and rectangular patches. Also triangular patches are applied to the antenna edge in order to enhance the VSWR and gain properties. A typical VSWR of 1.5 (less than 2 in the whole frequency range) and a typical gain of 2 dBi (mainly above 1 dBi in the whole frequency range) are obser...

    Research on Wideband Differential-Mode Current Injection Testing Technique Based on Directional Coupling Device

    Xiaodong Pan; Guanghui Wei; Xinfu Lu; Lisi Fan; Xing Zhou (2014)
    This paper presents a new kind of differential-mode current injection test method. The equal response voltage on the cable or the antenna port of the equipment under test (EUT) is regarded as equivalent principle for radiation and injection test. The injection and radiation response analysis model and the injection voltage source extrapolation model in high intensity radiated field are established. The conditions of using differential-mode current injection as a substitute for radiation are c...

    An Open-Source Code for the Calculation of the Effects of Mutual Coupling in Arrays of Wires and for the ASM-MBF Method

    Craeye, Christophe; Andrés García, Belen; García Muñoz, Enrique; Sarkis, Rémi (2010)
    A general description of mutual coupling in finite and infinite antenna arrays is provided and an open-source code is described for the analysis of mutual coupling in linear arrays of parallel dipoles. The ASM-MBF method is illustrated with the help of that code and it is shown that the method also can handle situations where eigenmodes are supported by the array: single machine precision is achieved with four Macro Basis Functions only.

    Beamforming and Interference Cancellation in D2D Random Network

    Langtao Hu; Chaowei Yuan (2015)
    Device-to-Device (D2D) communication is an important proximity communication technology. We model the hybrid network of cellular and D2D communication with stochastic geometry theory. In the network, cellular base stations are deployed with multiantennas. Two transmission strategies including beamforming and interference cancellation are proposed to boost system achievable rate in this paper. We derive analytical success probability and rate expression in these strategies. In interference can...
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