Development of Mobile Communications Systems Beyond Third Generation
Wireless Personal Communications: An International Journal
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The purpose of this paper is to delineate the communication service issues related to system, node, and platform interoperability and suggests possible solutions towards global interoperability. In addition, this paper proposes a spiral-based roadmap tailored to the interoperability needs of existing systems. Initial phase of the spiral development emphasizes the nonintrusive and cost effective means towards enabling the islands of community interoperability via gateways; next phase proposes to replace these gateways with programmable, spectrally efficient wideband and highly available systems and subsequent phases provide the dynamically self-adaptive communication systems connectivity to the ubiquitous Internet backbone automatically. The communication services interoperability is key to realizing the vision of global interoperability across all platforms and programs. The existing communication systems provide domain-specific interoperability and are spotty in nature. To ascertain global interoperability. the Boeing Company has developed a framework called strategic architecture reference model (SARM) [1] based on layered abstraction of services similar to OSI/ISO and TCP/IP models. The SARM framework is tailored to meet the stringent information assurance requirements needed for operating under financial, real-time decision-making and enterprise environments. The SARM framework is based on the communication layer upon which information, application and human machine interface layers are built upon. This paper elaborates upon the issues and characteristics of the communication services in enabling the global interoperability.