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A mathematical framework for expressing multivariate distributions useful in wireless communicationsDownload
Multivariate statistics play an important role in performance analysis of wireless communication systems in correlated fading channels. This thesis presents a framework which can be used to derive easily computable mathematical representations for some multivariate statistical distributions,...
Microwave planar resonators have been used for material characterizations for the past two decades. Among the many advantages from planar sensors, some of the main drawbacks are discussed and the relevant methods are provided to tackle them through this thesis. Generally, unique...
Cognitive radio is one of the most promising technologies to address the spectrum scarcity problem. Cognitive radio requires spectrum sensing, which is used by unlicensed users to opportunistically access the licensed spectrum. Spectrum sensing using energy detection offers low-cost and...
The availability of an unlicensed 7 GHz bandwidth around 60 GHz offers great potential for establishment of high-data-rate short-range wireless communication links. Although previously left unutilized, recent advances in electronics enable the development of wireless transceivers at...
Multiple-input, multiple-output (MIMO) techniques have been proposed to meet the needs for higher data rates and lower delays in future wireless communication systems. The downlink capacity of multiuser MIMO systems is achieved when the system transmits to several users simultaneously....
Interference Analysis of Massive MIMO Downlink with MRT Precoding and Applications in Performance AnalysisDownload
Recently, massive MIMO (multiple-input-multiple-output) systems, where the base station (BS) is equipped with hundreds of small, low-cost, and low-power antennas, have been proposed as one of the promising technologies for the next generation cellular systems. The thesis works on the performance...
Multiple-inputmultiple-output (MIMO) systems, characterized by multiple antenna transceivers, add a ‘space’ dimension to signal processing for wireless communication. Conventionally, the degrees of freedom (DoFs), i.e., the number of independent data streams that can be transmitted or received,...
In opportunistic relaying systems, only the relay with best channel condition among K relays is selected to take part in cooperation. This setup efficiently achieves diversity gain. However, the high switching rate of such systems may be undesirable due to practical implementation issues, for...
Wireless relays offer beneﬁts such as coverage extension and improving robustness. Selection of relays may provide further beneﬁts. The best relays are selected based on the channel state information. However, due to feedback or scheduling delays, in practise, the relay and/or the source node can...