6G Integrated Sensing and Communication - Sensing Assisted Environmental Reconstruction and Communication
IEEE International Conference on Acoustics, Speech, and Signal Processing（2023）
Huawei Technologies Co. | Huawei Technologies Canada Co.
Abstract
Integrated sensing and communication (ISAC) is believed to play a vital role for connected intelligence in 6G. Radio waves can be used to sense surrounding and obtain the environment information. Furthermore, the environmental knowledge provided by sensing improves the accuracy of channel estimation, resulting in better communication throughput. This paper provides a study of sensing assisted environment reconstruction and communication in ISAC scenario. We propose a multi transmission reception points (TRP) sensing architecture based on scatter polygon assumption to improve environment sensing accuracy. Then a polygon trace scheme is introduced to reconstruct communication channel hinging on sensing reconstructed environment. Cm-level sensing accuracy and ns-level communication channel reconstruction can be achieved by 140 GHz indoor measurement campaign validation.
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Key words
ISAC,6G,environment reconstruction,sensing,channel prediction
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