A Proof of Concept for OTFS Resilience in Doubly-Selective Channels by GPU-Enabled Real-Time SDR

被引：2

作者：

Yap, Yi Xien ^{[1
]}

Bhushan, Neil ^{[1
]}

Dizdar, Onur ^{[1
]}

Sattarzadeh, Ata ^{[1
]}

Redgate, David ^{[1
]}

Battula, Venkateswara ^{[1
]}

Wang, Stephen ^{[1
]}

机构：

[1] VIAVI Solut, VIAVI Marconi Lab, London, England

来源：

IEEE CONFERENCE ON GLOBAL COMMUNICATIONS, GLOBECOM | 2023年

关键词：

OTFS; GPU; software defined radio; Sionna; MODULATION; DIVERSITY;

D O I：

10.1109/GLOBECOM54140.2023.10437289

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Orthogonal time frequency space (OTFS) is a modulation technique which is robust against the disruptive effects of doubly-selective channels. In this paper, we perform an experimental study of OTFS by a real-time software defined radio (SDR) setup. Our SDR consists of a Graphical Processing Unit (GPU) for signal processing programmed using Sionna and TensorFlow, and Universal Software Radio Peripheral (USRP) devices for air interface. We implement a low-latency transceiver structure for OTFS and investigate its performance under various Doppler values. By comparing the performance of OTFS with Orthogonal Frequency Division Multiplexing (OFDM), we demonstrate that OTFS is highly robust against the disruptive effects of doubly-selective channels in a real-time experimental setup.

引用

页码：7206 / 7212

页数：7

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