Abstract
In this letter, we consider analog beamforming using low resolution phase shifters for millimeter waves communications. We propose a hierarchical codebook design, where the beamforming vectors in the codebook are grouped into multiple levels and the preferred beamforming vector at each level is constructed to approximate an amplitude beamforming gain mask by using a low complexity local search algorithm. We show, by simulations, that the proposed codebook using low resolution phase shifters outperforms the existing schemes using high resolution phase shifters.
| Original language | English |
|---|---|
| Article number | 7935364 |
| Pages (from-to) | 502-505 |
| Number of pages | 4 |
| Journal | IEEE Wireless Communications Letters |
| Volume | 6 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Aug 2017 |
Keywords
- Analog beamforming
- hierarchical codebook
- millimeter waves
- phase shifters
Cite this
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Analog Beamforming with Low Resolution Phase Shifters. / Raviteja, P.; Hong, Yi; Viterbo, Emanuele.
In: IEEE Wireless Communications Letters, Vol. 6, No. 4, 7935364, 01.08.2017, p. 502-505.Research output: Contribution to journal › Article › Research › peer-review
TY - JOUR
T1 - Analog Beamforming with Low Resolution Phase Shifters
AU - Raviteja, P.
AU - Hong, Yi
AU - Viterbo, Emanuele
PY - 2017/8/1
Y1 - 2017/8/1
N2 - In this letter, we consider analog beamforming using low resolution phase shifters for millimeter waves communications. We propose a hierarchical codebook design, where the beamforming vectors in the codebook are grouped into multiple levels and the preferred beamforming vector at each level is constructed to approximate an amplitude beamforming gain mask by using a low complexity local search algorithm. We show, by simulations, that the proposed codebook using low resolution phase shifters outperforms the existing schemes using high resolution phase shifters.
AB - In this letter, we consider analog beamforming using low resolution phase shifters for millimeter waves communications. We propose a hierarchical codebook design, where the beamforming vectors in the codebook are grouped into multiple levels and the preferred beamforming vector at each level is constructed to approximate an amplitude beamforming gain mask by using a low complexity local search algorithm. We show, by simulations, that the proposed codebook using low resolution phase shifters outperforms the existing schemes using high resolution phase shifters.
KW - Analog beamforming
KW - hierarchical codebook
KW - millimeter waves
KW - phase shifters
UR - http://www.scopus.com/inward/record.url?scp=85028752817&partnerID=8YFLogxK
U2 - 10.1109/LWC.2017.2709306
DO - 10.1109/LWC.2017.2709306
M3 - Article
VL - 6
SP - 502
EP - 505
JO - IEEE Wireless Communications Letters
JF - IEEE Wireless Communications Letters
SN - 2162-2337
IS - 4
M1 - 7935364
ER -