Abstract
Background. Technology neutrality is widely used in frequency bands, where communication systems are evolving, but there are strict restrictions on the parameters and deployment of base stations of different technologies using adjacent channels. Ways to mitigate this effect have not been sufficiently studied and require further analysis and development.
 Objective. The purpose of this article is to investigate the methodology for obtaining technical conditions of technological neutrality with minimum coupling loss method to determine the value of additional filtering requirements and present the results of practical implementation of this technique.
 Methods. The method of detailed power analysis of frequency characteristics of filters for base stations’ transmitter and receiver is applied.
 Results. The article presents the results of obtaining minimal guard band and additional filtering requirements in the adjacent channels of transmitter and receiver belonging to different technologies. Examples of practical implementation of the minimum guard band and frequency characteristics of additional filters are given.
 Conclusions. The general method of determining the technical conditions for ensuring technology neutrality is presented and the value of the minimal required guard band between the adjacent transmitter and receiver channels is obtained.
Highlights
The diversity and high-speed evolution of modern mobile technologies have led to a shortage of radio spectrum resource
The article presents the results of obtaining minimal guard band and additional filtering requirements in the adjacent channels of transmitter and receiver belonging to different technologies
The defined frequency bands that fall under the concept of Technology Neutrality (TN) or Wireless Access Policy for Electronic Communications Services (WAPECS) [1], [2], 3] are harmonized at the regional level within European Conference of Postaland Telecommunications Administrations (CEPT) by developing of the least restrictive technical conditions (LRTC)
Summary
Technology neutrality is widely used in frequency bands, where communication systems are evolving, but there are strict restrictions on the parameters and deployment of base stations of different technologies using adjacent channels. Ways to mitigate this effect have not been sufficiently studied and require further analysis and development
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