Report
Spatial Bandwidth of Bilateral Near-Field Channels for Linear Large-Scale Antenna Array System
| العنوان: | Spatial Bandwidth of Bilateral Near-Field Channels for Linear Large-Scale Antenna Array System |
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| المؤلفون: | Wang, Zhen, Pan, Yijin, Wang, Jun-Bo, Chen, Yijian, Yu, Hongkang |
| سنة النشر: | 2024 |
| المجموعة: | Computer Science Mathematics |
| مصطلحات موضوعية: | Computer Science - Information Theory, Electrical Engineering and Systems Science - Signal Processing |
| الوصف: | This paper analyzes the spatial bandwidth of line-of-sight (LoS) channels in massive MIMO systems. For the linear large-scale antenna arrays (LSAA) of transceivers placed in random locations in 3D space, a simple but accurate closed-form expression is derived to characterize the spatial bandwidth. Subsequent analysis of the LSAA's spatial bandwidth properties is also provided, leading to the formulation of an approximate expression for the effective degrees of freedom (EDoF) of bilateral near-field channels. Interestingly, as proved in this work, when the transmit and receive arrays are coplanar, with the receive array positioned perpendicular to the axis joining the centroids of the transmit and receive arrays, the EDoF of the LoS channel is found to be approximately maximized. |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2412.05058 |
| رقم الانضمام: | edsarx.2412.05058 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |