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相关论文: Robust Hybrid Precoding for Beam Misalignment in M…

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Hybrid analog/digital precoding architectures can address the trade-off between achievable spectral efficiency and power consumption in large-scale MIMO systems. This makes it a promising candidate for millimeter wave systems, which require…

信息论 · 计算机科学 2016-06-28 Sungwoo Park , Ahmed Alkhateeb , Robert W. Heath

The conventional digital beamforming technique needs one radio frequency (RF) chain per antenna element. High power consumption, significantly high cost of RF chain components per antenna and complex signal processing task at base band…

信号处理 · 电气工程与系统科学 2025-04-25 Om Nath Acharya , Ram Kaji Budhathoki , Santosh Shaha

Hybrid precoding design can be challenging for broadband millimeter-wave (mmWave) massive MIMO due to the frequency-flat analog precoder in radio frequency (RF). Prior broadband hybrid precoding work usually focuses on fully-connected array…

信息论 · 计算机科学 2018-09-24 Yiwei Sun , Zhen Gao , Hua Wang , Di Wu

Hybrid analog/digital precoding in millimeter-wave (mmWave) multi-input multi-ouput (MIMO) systems is capable of achieving the near-optimal full-digital performance at reduced hardware cost and power consumption compared to its full-RF…

信息论 · 计算机科学 2020-11-26 Chenghao Feng , Wenqian Shen , Xinyu Gao , Jianping An , Lajos Hanzo

Millimeter wave (mmWave) communications have been considered as a key technology for future 5G wireless networks. In order to overcome the severe propagation loss of mmWave channel, mmWave multiple-input multiple-output (MIMO) systems with…

信息论 · 计算机科学 2017-04-27 Xiaowen Tian , Ming Li , Zihuan Wang , Qian Liu

This paper investigates the hybrid precoding design for millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems with finite-alphabet inputs. The mmWave MIMO system employs partially-connected hybrid precoding architecture…

信息论 · 计算机科学 2019-02-14 Juening Jin , Chengshan Xiao , Wen Chen , Yongpeng Wu

Switch-based hybrid network is a promising implementation for beamforming in large-scale millimetre wave (mmWave) antenna arrays. By fully exploiting the sparse nature of the mmWave channel, such hybrid beamforming reduces complexity and…

信号处理 · 电气工程与系统科学 2019-09-02 Hamed Nosrati , Elias Aboutanios , Xiangrong Wang , David Smith

Hybrid analog-digital (A/D) transceivers designed for millimeter wave (mmWave) systems have received substantial research attention, as a benefit of their lower cost and modest energy consumption compared to their fully-digital…

信息论 · 计算机科学 2020-08-14 Kaidi Xu , Yunlong Cai , Minjian Zhao , Yong Niu , Lajos Hanzo

We propose four hybrid combiner/precoder for downlink mmWave massive MU-MIMO systems. The design of a hybrid combiner/precoder is divided in two parts, analog and digital. The system baseband model shows that the signal processed by the…

信息论 · 计算机科学 2019-11-04 Alvaro Javier Ortega , Raimundo Sampaio-Neto , Rodrigo Pereira David

In this paper, we consider the amplify-and-forward relay networks in mmWave systems and propose a hybrid precoder/combiner design approach. The phase-only RF precoding/combining matrices are first designed to support multi-stream…

信息论 · 计算机科学 2019-11-01 Lisi Jiang , Hamid Jafarkhani

In this paper, we propose a beamforming design for dual-functional radar-communication (DFRC) systems at the millimeter wave (mmWave) band, where hybrid beamforming and sub-arrayed MIMO radar techniques are jointly exploited. We assume that…

信号处理 · 电气工程与系统科学 2018-10-25 Fan Liu , Christos Masouros

In this paper, we studied the problem of beam alignment for millimeter wave (mmWave) communications, in which we assume a hybrid analog and digital beamforming structure is employed at the transmitter (i.e. base station), and an…

信息论 · 计算机科学 2019-09-04 Xingjian Li , Jun Fang , Huiping Duan , Zhi Chen , Hongbin Li

In this paper, we propose a hybrid precoding/combining framework for communication-centric integrated sensing and full-duplex (FD) communication operating at mmWave bands. The designed precoders and combiners enable multiuser (MU) FD…

信号处理 · 电气工程与系统科学 2024-05-16 Murat Bayraktar , Nuria González-Prelcic , Mikko Valkama , Hao Chen , Charlie Jianzhong Zhang

Full-duplex millimeter wave (mmWave) communication has shown increasing promise for self-interference cancellation via hybrid precoding and combining. This paper proposes a novel mmWave multiple-input multiple-output (MIMO) design for…

信号处理 · 电气工程与系统科学 2024-10-30 Ian P. Roberts , Jeffrey G. Andrews , Sriram Vishwanath

Hybrid precoding can significantly reduce the number of required radio frequency (RF) chains and relieve the huge energy consumption in mmWave massive MIMO systems, thus attracting much interests from academic and industry. However, most…

信息论 · 计算机科学 2016-05-17 Tian Xie , Linglong Dai , Xinyu Gao , Muhammad Zeeshan Shakir , Zhaocheng Wang

This paper develops a novel methodology for designing analog beamforming codebooks for full-duplex millimeter wave (mmWave) transceivers, the first such codebooks to the best of our knowledge. Our design reduces the self-interference…

信号处理 · 电气工程与系统科学 2021-05-31 Ian P. Roberts , Hardik B. Jain , Sriram Vishwanath , Jeffrey G. Andrews

Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency…

信号处理 · 电气工程与系统科学 2021-08-25 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

In this paper, we develop a low-complexity channel estimation for hybrid millimeter wave (mmWave) systems, where the number of radio frequency (RF) chains is much less than the number of antennas equipped at each transceiver. The proposed…

信息论 · 计算机科学 2017-02-28 Lou Zhao , Derrick Wing Kwan Ng , Jinhong Yuan

In time-division duplexing (TDD) millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems, the reciprocity mismatch severely degrades the performance of the hybrid beamforming (HBF). In this work, to mitigate the…

信号处理 · 电气工程与系统科学 2022-11-03 Li Chen , Rongjiang Nie , Yunfei Chen , Weidong Wang

Configuring hybrid precoders and combiners is a major challenge to deploy practical mmWave communication systems. Prior work addresses the problem of designing hybrid precoders and combiner, yet focusing on finding solutions under a total…

信号处理 · 电气工程与系统科学 2019-02-04 Javier Rodriguez-Fernandez , Roberto Lopez-Valcarce , Nuria Gonzalez-Prelcic