scope:

Introduction and outline of the Report

This Report discusses the compatibility analysis of radio coexistence between wideband CDMA deployed in the 1 800 MHz bands (WCDMA 1800) and GSM deployed in the PCS 1900 bands (GSM 1900) in adjacent bands and opposite duplex direction. The objective is to determine by means of deterministic calculations and Monte Carlo simulations the amount of guardband necessary to protect the two adjacent services against mutual interference. The deterministic calculations have been applied to the base station to base station (BS-BS) scenarios. Monte Carlo simulations have been used to investigate both the mobile station to mobile station (MS-MS) and BS-BS scenarios.

This Report is arranged as follows: in § 2, the assumptions pertaining to the BS-BS interference scenario are recalled. § 3 examines the impact of WCDMA 1800 BS interference on GSM 1900 uplinks by means of deterministic calculations, whereas § 4 presents the Monte Carlo simulation results of the BS-BS and MS-MS scenarios. The Appendix summarizes the methodology and assumptions specific to the Monte Carlo simulations.