Integrated Heterogeneous Service Provisioning: Unifying Beyond-Communication Capabilities with MDMA in 6G and Future Wireless Networks

The rapid evolution and convergence of wireless technologies and diverse vertical applications are fundamentally reshaping modern lifestyles and industries. Future wireless networks, especially 6G, are poised to support a broad range of applications enabled by heterogeneous services, combining traditional connectivity-centric functions with emerging beyond-communication capabilities such as localization, sensing, and synchronization. However, integrating these new capabilities into a unified 6G paradigm presents significant challenges. This article analyzes the key technical hurdles in achieving an integrated 6G design and proposes three strategies for integrated heterogeneous service provisioning, with the overarching goal of maximizing integration gains while minimizing service overhead. First, we introduce multi-dimensional multiple access (MDMA) as an inclusive enabling platform that flexibly integrates diverse capabilities through shared access to multi-dimensional radio resources. Next, we propose value-oriented heterogeneous service provisioning to maximize integration gains via situation-aware MDMA. To improve MDMA scalability, we refine the control and user planes by eliminating redundant signaling and enabling service-oriented prioritization. Finally, we evaluate the proposed framework through a case study on integrated synchronization and communication, demonstrating its potential for integrated heterogeneous service provisioning in future 6G networks.