Mark Rhodes_无线海岸环境监测.pdf

1、Wireless Coastal Environmental MonitoringOCEANOLOGY INTERNATIONAL LONDON I MARCH 2024Mark RhodesCTO CSignumStand Q390Wireless Data Through BarriersCSignum has achieved a significant technological first:Send digital wireless signals through any mediumOther wireless communications techniques do not pa

2、ss through the barrier from under the water to above the surface or through the groundPatented electromagnetic field signalling(EMFS)uniquely travels through sea and fresh water,through soil,rock and across the air/water boundary22 Patents in electromagnetic field-based communications and data trans

3、ferHow Our Technology WorksCSignum uses patented modulated electro-magnetic fields to achieve wireless communicationCSignum is unique in communicating from the seabed to the beach,from ship hull to the deck,from riverbed to riverbank and below ground to the surfaceWith EM field signaling(EMFS)there

4、is no reflection at the water-to-air interface(as with optical and acoustic systems)allowing the signal to cross the boundaryData rates are suitable for bidirectional sensor data transfers at distances up to 50m.Longer ranges of 200m achieved with external antenna setsSaltwater,Freshwater,Soil,Rock,

5、Concrete Below the SurfaceTopsideEM FieldEM FieldThe Internet of Underwater ThingsBidirectional Data Transfer to Topside devicesShip Hull&Propulsion MonitoringCoastal and River Environmental MonitoringDual Use for Commercial&Defence CSignum Use CasesThe Internet of Underground ThingsThrough Ground S

6、ensor MonitoringSewers,Pipeline,Utilities&Soil MonitoringIndustrial,Utilities&Mining Applications Wireless communications from submerged to air above surface where client systems are usually located No reflections from surface,structures or seabed shallow water Communicates through aeriated water in