Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Xiao, Zhenyu; He, Ting; Xia, Pengfei; Xia, Xiang-Gen

doi:10.1109/twc.2016.2520930

Cited by 486 publications

(424 citation statements)

References 34 publications

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“…Fourth, the columns in the codebook are orthogonal. Therefore multiple beams can be generated simultaneously with minimum interference [3], [10].…”

Section: Codebook Design and Principlesmentioning

confidence: 99%

“…Moreover, it can be applied in large file transfer and uncompressed high-definition video streaming [1]. Further improving transmission range of mmW band also enhances spatial efficiency [2], [3].…”

Section: Introductionmentioning

confidence: 99%

“…However, the mmWave band faces many impairments such as high free space path loss level, high attenuation, and oxygen absorption compared with low-frequency communication band [1], [3]. To compensate the significant path loss, the directional antenna is used to generate narrow directional beams, which provides significant gain [4], [5].…”

Section: Introductionmentioning

confidence: 99%

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Codebook metrics evaluation for millimeter wave communications by antenna array response and signal to noise ratio

et al. 2018

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Abstract. Codebook design is a key point in beam-forming which is necessary for millimeter Wave (mmWave) communications to compensate its huge path loss. In our study, we demonstrate the benefits of the number of antenna elements for beamforming; we focus on the number of required beams to cover the whole circle with considering the available number of antenna elements. In addition to, we propose a new codebook structure based on unique phase states. Based on the Array Factor (AF) and Signalto-Noise Ratio (SNR), the proposed codebook is compared and evaluated with the uniform weighting codebook, circular array codebook, and IEEE802.15.3c standard codebook. The results show that the proposed codebook achieves SNR values and side-lobes cancel a bit better than IEEE802.15.3c, but higher peak and wider dynamic range of SNR and better array directivity compared with the uniform weighting and circular antenna codebooks. Thus, the proposed codebook is expected to improve signal quality and increases user throughput significantly.

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“…Fourth, the columns in the codebook are orthogonal. Therefore multiple beams can be generated simultaneously with minimum interference [3], [10].…”

Section: Codebook Design and Principlesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Codebook metrics evaluation for millimeter wave communications by antenna array response and signal to noise ratio

et al. 2018

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“…Next, they proceed with an exhaustive search mechanism using the K beamformers to select the beam-pair yielding the maximum SNR. Following, they iterate partitioning and search procedures until the narrowest beams are used of an hierarchical codebook are used [7]. It is easy to verify that the total training time (scanning and feedback) for hierarchical strategy is…”

Section: B Initial Accessmentioning

confidence: 99%

Reconfiguration of 5G radio interface for positioning and communication

Saloranta

Destino

2017

2017 25th European Signal Processing Conference (EUSIPCO)

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Abstract-In addition to high data rate, millimeter-wave technology has great potential to provide extremely high localization accuracy. In this paper, we outline the benefits of this technology for positioning and their main applications, which are no longer confined to services only but also to improve communication. We shall focus on the trade-off between data communication and positioning looking the reconfiguration mechanisms of the radio interface. Specifically, in this paper we investigate a tradeoff between achievable data rate and positioning capability via position and rotation error bound analysis, with the aim of achieving an optimal trade-off. I. INTRODUCTIONOne of the key innovations of 5G communication, the next generation of mobile networks, is considered to be millimeter wave (mmW). Many research studies as well as 5G prototypes [1] are looking into this new technology in order to understand and verify its real rendering capabilities. [2] In contrast to the predecessor Long Term Evolution (LTE) technology, the 5G has to address a large variety of application requirements spanning from extremely high data rate and accurate positioning capabilities to ultra-reliable communications as well as very low-latency. For this reason the development of flexible and reconfigurable radios (signal waveforms, hardware and transmission techniques) is a key for success as it can enable agile and efficient service multiplexing. [3], [4] One of the most established technology towards this trend is the beamsteering functionality, [5] which has proven capabilities to provide higher data rates, as well as improved positioning accuracies. On the other hand, to achieve full capabilities of proposed future communication systems, the requirement to adjust all aforementioned radio reconfiguration parameters is clear.Furthermore, direct corollary of very different requirements, risen by variety of different applications, is the trade-offs between performance metrics. Then, each performance metric is a function of a different set of radio parameters. Thus a joint analysis is a requisite to have a clear insight into the overall performance of the communication system.The remainder of this article is organized as follows. First, we present the mmW single-user multiple-input-multipleoutput (MIMO) communication system. We continue by introducing the radio reconfiguration parameters under this study, formulate the performance metrics as well as provide light analysis about the effect of those parameters. We extend the analysis via simulation results. Finally, conclusions are drawn.

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“…These architectures are called hybrid analog/digital architectures and have been addressed in [15,16]. Precoding and/or combining/equalization designs for single-user systems have been addressed for fully connected hybrid architectures in [17][18][19]. In these architectures, each of the RF chains is connected to all receive-and-transmit antennas.…”

Section: Introductionmentioning

confidence: 99%

Iterative Multiuser Equalization for Subconnected Hybrid mmWave Massive MIMO Architecture

Magueta

Mendes

Castanheira

et al. 2017

Wireless Communications and Mobile Computing

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Millimeter waves and massive MIMO are a promising combination to achieve the multi-Gb/s required by future 5G wireless systems. However, fully digital architectures are not feasible due to hardware limitations, which means that there is a need to design signal processing techniques for hybrid analog-digital architectures. In this manuscript, we propose a hybrid iterative block multiuser equalizer for subconnected millimeter wave massive MIMO systems. The low complexity user-terminals employ pureanalog random precoders, each with a single RF chain. For the base station, a subconnected hybrid analog-digital equalizer is designed to remove multiuser interference. The hybrid equalizer is optimized using the average bit-error-rate as a metric. Due to the coupling between the RF chains in the optimization problem, the computation of the optimal solutions is too complex. To address this problem, we compute the analog part of the equalizer sequentially over the RF chains using a dictionary built from the array response vectors. The proposed subconnected hybrid iterative multiuser equalizer is compared with a recently proposed fully connected approach. The results show that the performance of the proposed scheme is close to the fully connected hybrid approach counterpart after just a few iterations.

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Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication

Cited by 486 publications

References 34 publications

Codebook metrics evaluation for millimeter wave communications by antenna array response and signal to noise ratio

Codebook metrics evaluation for millimeter wave communications by antenna array response and signal to noise ratio

Reconfiguration of 5G radio interface for positioning and communication

Iterative Multiuser Equalization for Subconnected Hybrid mmWave Massive MIMO Architecture

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