Digital Signal Processing

   

Two Stage WiFi 5GHz to 10GHz XBand Communication System

Authors: Sasan Ardalan

The up conversion of a 5GHz WiFi signal to 10.56GHz IF signal enables the transmission of the WiFi signal at XBand frequencies for high throughput digital communications over XBand. The XBand signal can be up converted from the 10.56GHz XBand signal to 60 GHz or 28 GHz bands. It is imperative that the WiFi channel be centered at a specific frequency, for example, 10.56GHz, for optimal performance and to meet ITU an FCC band allocation requirements. In addition, the WiFi channel centered at 10.56GHz must be interference (jammer) free so that the over the air signal is jammer free, a key requirement. The XBand Spectrum is also available for Amateur Extra Class from 10.0GHz to 10.5GHz so the capability to center the frequency is critical. This paper describes the challenges in up converting and down converting WiFi signals at 5GHz to X-Band and offers a unique solution that provides a jammer free spectrum and capability to dial in the center frequency. A complete system was designed, prototyped and built, verifying the design over the air. IEEE802.11ac Access Points were used at 5.21 GHz with a bandwidth of 160 MHz. This work paves the way for high throughput digital communication over XBand links with bandwidths of 80MHz and 160MHz.

Comments: 38 Pages.

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Submission history

[v1] 2024-12-02 02:06:58

Unique-IP document downloads: 241 times

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