Abstract
Summing upRequirements from the different scenarios are identifying similar needse-Navigation and Integrated Operations requires highly developed communication meansNovel terrestrial technologies (e.g. WiMAX) are well suited for coastal maritime communications, provided enhanced coverage and range isachievedLower (VHF/UHF) frequenciesMesh Networking and Mobile Multi-hop RelayNovel SatCom systems may be utilized to complement/supplement the terrestrial systems, e.g. to fill in coverage gaps and at deep seaObtaining seamless and continuous handover and roaming represents a primary challengeThe High North needs even more advanced and powerful solutionsHEO-satellites (Molniya orbits) (!)Crowded frequency spectrum represents a crucial limitationReclaiming UHF TV-bands within ”The spectral sirloin”region for maritime communications (700/800 MHz WiMAX)