| Issue |
ITM Web Conf.
Volume 17, 2018
4th Annual International Conference on Wireless Communication and Sensor Network (WCSN 2017)
|
|
|---|---|---|
| Article Number | 01002 | |
| Number of page(s) | 10 | |
| Section | Session 1: Wireless Communication | |
| DOI | https://doi.org/10.1051/itmconf/20181701002 | |
| Published online | 02 February 2018 | |
A Novel Analysis Method of Pre-adjusting System for Self-interference Cancellation in Analog Domain
Skate Key Laboratory of Integrated Services Networks, XiDian University, Xi’an, Shaanxi, China
* Corresponding author: 15891027098@163.com
Pre-adjusting system, which computes the attenuation coefficients of self-interference cancellation, is one of the most important parts in a practical self-interference cancellation system. In this paper, a new way is given to analyze the pre-adjusting system in analog domain, and a clear theoretical analysis is carried out. Meanwhile, a method for solving the optimal attenuation vector is introduced. The simulation results show that the Interference Cancellation Ratio(ICR) can reach up to 62.8 dB in an ideal environment and 50.4 dB in a real environment, which are much better than the ordinary demand of 40 dB in analog domain. Finally, an amplitude modulation signal is verified in our method, with shows good performance, too.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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