An introduction to millimeter-wave mobile broadband systems
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Cites background from "An introduction to millimeter-wave ..."
...In this section, we discuss important ongoing research areas that support these requirements....
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Cites background from "An introduction to millimeter-wave ..."
...INTRODUCTION The rapid increase of mobile data growth and the use of smartphones are creating unprecedented challenges for wireless service providers to overcome a global bandwidth shortage [1], [2]....
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...6 GHz radio spectrum bands for wireless communications [2]....
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...With an evolution from fixed broadband to mobile broadband, more converged, personalized, convenient and seamless secure services will be achieved, and Samsung has recently made contributions in the area of mm-wave wireless [2], [12]....
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Cites background or methods from "An introduction to millimeter-wave ..."
...Since outdoor deployments are likely to use sectorized transmitters to decrease interference and increase beamforming gain, we consider arrays of directional antenna elements with a response given in (5) [8], [9]....
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...More recently, advances in mmWave hardware [7] and the potential availability of spectrum has encouraged the wireless industry to consider mmWave for the access link in outdoor cellular systems [8], [9]....
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...The transmitter’s sector angle is assumed to be 60◦-wide in the azimuth domain and 20◦-wide in elevation [8]....
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...We consider single-user precoding for a practical transceiver architecture in which a large antenna array is driven by a limited number of transmit/receive chains [8], [10], [11], [32]....
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...Analog precoding is often implemented using phase shifters [7], [8], [12] which places constant modulus constraints on the elements of the RF precoder....
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2,624 citations
Cites background or methods from "An introduction to millimeter-wave ..."
...Highly directional radiation patterns could be secured by using adaptive beamforming techniques, resulting in the introduction of Spatial Division Multiple Access (SDMA) [33]....
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...Moreover, reduced angular spread in narrow beam transmissions, inherent to mm-wave propagation, further reduces Doppler spread [8], [33]....
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...Research works [33], [67] related to free space loss show that for the same antenna aperture...
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...The proposed analysis is based on Markov Chain model of multiuser SDMA....
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...72 MHz frequency and its multiples a good choice for sampling rate selection [33]....
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References
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"An introduction to millimeter-wave ..." refers background in this paper
...Much of the engineering efforts have been invested in developing more powerefficient 60 GHz RFICs [ 3 ]....
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