Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Vanu, Inc. Software Radio: A Regulatory Success story May 24th, 2005 What is Software Radio? • Hardware Radio • Different devices for different wireless systems • New hardware required to support new applications • Software Radio • ONE device for multiple wireless applications • New applications only require new software Copyright © 2005 Vanu, Inc. 2 Outline • Brief History of Vanu, Inc. • Commercial Systems • Government Applications • Additional Benefits Copyright © 2005 Vanu, Inc. 3 About Vanu, Inc. • Evolved from DARPA sponsored software radio research at MIT, 1994 • Company founded in 1998 • Headquarters in Cambridge, MA • Software radio systems deployed in both commercial and military applications First to achieve FCC certification for a Software Defined Radio system Copyright © 2005 Vanu, Inc. 4 Accomplishments • • Military • Collaborated with Boeing team for JTRS Step 1 • Awarded DoD JTRS Step 2B contract • DoJ contract to develop iPaQ-based SDR handheld • Sub-contractor to BAE Systems for AJCN • Sub-contractor to Raytheon for DARPA XG • Army/CERDEC contract for secure Type 1 GSM Base Station • Sub-contractor to Northrop Grumman for BACN Commercial • Field trial at Mid Tex Cellular, 9/03 • Interoperability certification with Nortel GSM-A switch, 2/04 • First ever FCC Certification for an SDR system, 11/04 • Live in Mid-Tex network and roaming with Cingular, 12/04 • 3GSM Award for Most Innovative Infrastructure product, 2/05 • Commercial release of Anywave™ Base Station, 3/05 Copyright © 2005 Vanu, Inc. 5 Different Types of Software Radios Vanu Software Radio™ – – Vanu, Inc. Exploits Moore’s Law Supports software reuse across platforms Re-configurable SDR – – – Signal processing re-configurable Significant use of FPGA or assembly code Software not portable Speakeasy Airnet Modal SDR – – – Software selects from built-in hardware Fixed-function hardware does processing Limited flexibility Dual-mode cell phone Copyright © 2005 Vanu, Inc. 6 Outline • Brief History of Vanu, Inc. • Commercial Systems • Government Applications • Additional Benefits Copyright © 2005 Vanu, Inc. 7 Software Radio RAN Architecture • RAN Consists of: – Standard RF Up/Down Converter – 1U rack mount processing units – Gigabit Ethernet interface Copyright © 2005 Vanu, Inc. 8 Switch Interconnect • Certificate of interoperability for Nortel GSM-A switch – Standard A interface – HP OpenCall SS7 stack – Expect straight forward testing with other GSM-A vendors • Interoperated with two softswitches – Telos and Winphoria – A over IP interface – Telos switch deployed at Mid-Tex • VoIP – VoIP SIP compliant interfaces – Used in US Military program Copyright © 2005 Vanu, Inc. 9 Vanu Anywave Base Station –MID TEX INSTALLATION –Legacy Nortel TDMA BaseStation –Anywave Base Station –Signal processing software written as application level program running on • Industry standard servers • LINUX or POSIX-compliant OS • Standardized RF components –Advantages • Reduced development times • Increased flexibility • Reuse across hardware and software platforms and generations • Enables carriers to upgrade and future proof their networks. Copyright © 2005 Vanu, Inc. 10 Outline • Brief History of Vanu, Inc. • Commercial Systems • Government Applications • Additional Benefits Copyright © 2005 Vanu, Inc. 11 Anywave™ Mobile Base Station Project: US Army, CECOM Affordable, secure tactical communications for dismounted soldiers • Design • Vehicle-mounted GSM Base Station • Satellite connectivity back to Tactical Operations Center (TOC) • Supports up to 30 secure handsets within 3-5 mile range • Encyrption: Type 1, AES, A5/1 • Capabilities • Local connections from one dismounted soldier to another • Routes calls between multiple vehicle-mounted base stations or from vehicles back to TOC base station via satellite • Remote management capabilities from TOC • • Upgrade software, add or delete users SIP Compliant VoIP interface Copyright © 2005 Vanu, Inc. 12 Virtual Patch Interoperability System • Enables a virtual patch between any two radios Apparent signal • No modifications or access to radios needed • Less than 50 ms latency Software Radio • Buffering avoids drop outs • Supports GSM, FM, P25 (peer-to-peer and trunking) Interoperation between any two radios Control Interface • Drag icons to connect talk group Copyright © 2005 Vanu, Inc. 13 Universal Radio Prototype •Custom Sleeve • Supports P25 and Analog FM • RF board covers 100 – 500 MHz • Collaboration with GDDS Prototype Supports FM and P25 •Partially funded by AGILE (DoJ) •Compaq iPaq • Xscale 400 MHz •Future Development • Will support cell/PCS/public safety frequencies • Up to 1.25 MHz TX/RX • Digital interface to custom sleeve Copyright © 2005 Vanu, Inc. 14 Outline • Brief History of Vanu, Inc. • Commercial Systems • Government Applications • Additional Benefits Copyright © 2005 Vanu, Inc. 15 Distributed Antenna Systems (DAS) Intel ATCA VANU Office Stata Center/MIT Copyright © 2005 Vanu, Inc. 16 Unique Value in DAS deployment • Central processing facility contains standard IT equipment – Servers, routers, ethernet – Reduced CAPEX, reduced maintenance • Signal is converter from digital to RF once, at the radiating point – No translation loss, reduced cooling requirements • Network between processing and Radiating Points – Allows carriers and frequencies to be dynamically assigned – Improved capacity and frequency management • Multiple standard support – Additional standards are software upgrades to the servers. – Only need new hardware in two cases: • If new spectrum is licensed, a new RF head for the band is required • Additional capacity is obtained through adding servers Copyright © 2005 Vanu, Inc. 17 Open Interface Management • Advantages • Web based • Easy to use • Enables ongoing optimization of network • SNMP Compliant Copyright © 2005 Vanu, Inc. 18 Software Radio OPEX Savings • Site Rental and Utilities • Maintenance / Upgrades • Backhaul Note: CAPEX savings 5%-25% depending upon configuration (i.e. number of TRX’s, power per carrier) Copyright © 2005 Vanu, Inc. 19 Summary • Software Radio Infrastructure is here today – FCC approved – Live GSM/GPRS operation with Mid-Tex cellular; roaming with Cingular – Additional standards under development – Demonstrated in Military Applications • Deployments – Initial deployment benefit carriers in traditional deployments – Enable evolution to more spectrally efficient architectures (DAS) • Long Term – Once infrastructure is in place, carriers can leverage flexible spectrum policy Copyright © 2005 Vanu, Inc. 20