CEPT New Horizons in ECC Spectrum Management: Challenges and Opportunities of Sharing between MFCN and WAS/RLAN

ECC Report 366 explores the feasibility of sharing the 6425-7125 MHz frequency band between mobile and fixed communications networks (MFCNs) and wireless access systems, including wireless local area networks (WAS/RLANs).

The report begins with an introduction that sets the context for spectrum sharing and the objectives of the study. It then describes the parameters used in the studies, which include specific characteristics of MFCNs and WAS/RLANs, such as transmission and reception parameters, as well as protection criteria for both technologies.

Various approaches and mechanisms for spectrum sharing are discussed, including cross-technology detection to improve detection of MFCNs by WAS/RLANs and vice versa.

These mechanisms include cross-signaling schemes, technology awareness, and spectrum organization by separation in frequency, time, or geography.

**WHY? **

The impact of sharing the 6425-7125 MHz frequency band between mobile and fixed communications networks (MFCN) and wireless access systems, including wireless local area networks (WAS/RLAN), is high as it can affect the capacity and coverage of MFCN networks, especially if transmission powers are reduced to avoid interference with WAS/RLAN. This could result in a decrease in the quality of service for MFCN users.

WAS/RLAN networks could also be affected if they must cease transmission or take mitigating measures when MFCN is detected. This could reduce the efficiency and availability of local wireless services, impacting users who rely on these networks for high-speed, low-latency connections.

Implementing cross-detection and coordination mechanisms between different technologies poses significant technical challenges. In addition, regulating and harmonizing these practices across different regions can be complex.

**WHO? **

Therefore, the direct impact is on mobile network operators and their customers, regulators, and equipment manufacturers.

**CONCLUSION: **

The impact is significant for mobile network operators, WAS/RLAN users, regulators, and equipment manufacturers, as it requires both technical and regulatory changes to ensure efficient coexistence.