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We experimentally demonstrate and investigate the performance of a multi-input-multiple-output (MIMO) free-space optical link employing orbital-angular-momentum multiplexing through turbulent channel. We show that turbulence effects can be mitigated by exploiting spatial diversity and MIMO equalization.
This paper reports an experimental demonstration of a 16 Gbit/s millimeter-wave communication link using MIMO processing of 2 OAM modes on each of two transmitter/receiver antenna apertures. Two groups of multiplexed OAM beams, each containing OAM beams of ℓ =1 and +3 are generated and transmitted through two transmitter apertures respectively. The two transmitter apertures are separated with a certain...
A multiband MIMO antenna for USB dongle in LTE operation has been presented in this paper. The two unit antennas are placed identically and symmetrically on two same plastic carriers located at the top edge of the ground, each of which is 25mm×12mm. The unit antenna is designed to operate in dual zeroth-order resonant modes, to cover the lower-band at LTE band 13 (746–787MHz), conventionally GSM850/900...
In this article, we address the issue of physical layer design of MIMO wireless communication system. First, we analysis the capacity of MIMO system in a limited space, then investigate the capacity varied with the number of antenna and SNR in SIMO, MISO, MIMO system. Second, we explore the design of antennas assignment and space-time coding based on the optimizing trade-off diversity gains and multiplex...
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