Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Do, Heedong"'
An estimation method is presented for polynomial phase signals, i.e., those adopting the form of a complex exponential whose phase is polynomial in its indices. Transcending the scope of existing techniques, the proposed estimator can handle an arbit
Externí odkaz:
http://arxiv.org/abs/2411.06885
With increasing frequencies, bandwidths, and array apertures, the phenomenon of beam squint arises as a serious impairment to beamforming. Fully digital arrays with true time delay per antenna element are a potential solution, but they require downco
Externí odkaz:
http://arxiv.org/abs/2310.07101
Autor:
Kim, Jungyeon, Lee, Hyowon, Do, Heedong, Choi, Jinseok, Park, Jeonghun, Shin, Wonjae, Eldar, Yonina C., Lee, Namyoon
Full-duplex communication systems have the potential to achieve significantly higher data rates and lower latency compared to their half-duplex counterparts. This advantage stems from their ability to transmit and receive data simultaneously. However
Externí odkaz:
http://arxiv.org/abs/2308.05966
Autor:
Do, Heedong, Lee, Namyoon
This paper presents an algorithm for finding the optimal configuration of active reconfigurable intelligent surface (RIS) when both transmitter and receiver are equipped with a single antenna each. The resultant configuration is globally optimal and
Externí odkaz:
http://arxiv.org/abs/2308.04058
A relentless trend in wireless communications is the hunger for bandwidth, and fresh bandwidth is only to be found at ever-higher frequencies. While 5G systems are seizing the mmWave band, the attention of researchers is shifting already to the terah
Externí odkaz:
http://arxiv.org/abs/2008.01482
This paper establishes an upper bound on the capacity of line-of-sight multiantenna channels over all possible antenna arrangements and shows that uniform linear arrays (ULAs) with an SNR-dependent rotation of transmitter or receiver can closely appr
Externí odkaz:
http://arxiv.org/abs/2004.12039
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Akademický článek
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The use of low-precision analog-to-digital converters (ADCs) is a low-cost and power-efficient solution for a millimeter wave (mmWave) multiple-input multiple-output (MIMO) system operating at sampling rates higher than a few Gsample/sec. This soluti
Externí odkaz:
http://arxiv.org/abs/1811.11923
A one-bit wireless transceiver is a promising communication architecture that not only can facilitate the design of mmWave communication systems but also can extremely diminish power consumption. The non-linear distortion effects by one-bit quantizat
Externí odkaz:
http://arxiv.org/abs/1811.05637