SRT MARINE SYSTEMS PLC

Regulatory Filings • Mar 4, 2015

National Storage Mechanism | Additional information

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RNS Number : 4605G

Software Radio Technology PLC

04 March 2015

SOFTWARE RADIO TECHNOLOGY PLC

(AIM: SRT)

("SRT" or the "Company")

Acquisition of Patent

SRT, the AIM-quoted provider of maritime domain awareness technologies, is pleased to announce that it has acquired joint and several rights to a US registered patent granted in March 2009 (US Patent Ref: US7512095) (the "Patent") which covers the use of Carrier Sense Time Division Multiple Access ("CSTDMA").

The Company has acquired the rights to the Patent from one of its original owners and now is equal owner of the Patent with Mark Johnson.  SRT and Mr. Johnson have entered into an agreement to exploit the commercial potential of the Patent.

TDMA is one of the fundamental technical features of the overall AIS technology protocol specified in the International Telecommunications Union (Doc Ref: ITU-R M.1371) AIS technology standard.  The TDMA system ensures optimal efficiency of available bandwidth allowing transmissions to be managed dynamically according to the loading of the system at any given time. 

There are several variants of TDMA which provide different functional advantages and are thus specified for use in specific product types: SOTDMA for Class A, CSTDMA for Class B, FATDMA for Aids to Navigation.  CSTDMA is the radio access protocol specified in the International Electrotechnical Commission ("IEC") product specification for Class B (Doc Ref: IEC62287).  Therefore the use of CSTDMA is essential in any AIS Class B which meets the international IEC Class B technology standard.

Simon Tucker, CEO of SRT said:

"The TDMA radio system is the bedrock of the AIS system.  Our joint ownership of this CSTDMA patent has secured SRT a fundamental stake in the ongoing development of the AIS technology standards as well as new commercial opportunities."

ENDS

Contacts:
Software Radio Technology plc	www.softwarerad.com
Simon Tucker, Chief Executive Officer	+44 (0) 1761 409500
WH Ireland Limited	www.wh-ireland.co.uk
Tim Feather / Liam Gribben	+44 (0) 113 394 6600
Yellow Jersey PR Limited Dominic Barretto	www.yellowjerseypr.com +44 (0)7768 537739
Anna Legge	+44 (0)7747 788221

About SRT:

SRT develops advanced radio communication based maritime domain awareness technologies, products and systems.  These are customised and provided to a global customer base to meet worldwide market demand to identify and track vessels of all sizes in leisure, commercial and homeland security applications. www.softwarerad.com 

About Automatic Identification System (AIS)

AIS is an international maritime tracking and monitoring technology developed and maintained by the ITU under the auspices of the IMO and UN.  Since the first global mandate by the IMO on all ocean going vessels over 300GT in 2002, AIS has proliferated worldwide to become the technology of choice to enhance maritime domain awareness:  vessel tracking, port and coast security, pollution monitoring, fisheries management.

AIS is a sophisticated real time mesh network technology which uses an intelligent combination of VHF and GPS technologies to provide constantly updated data on the identity and movement of vessels and other marine objects. For further information please visit: www.allaboutais.com 

This information is provided by RNS

The company news service from the London Stock Exchange

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