CI-EN: ORBIT GEN 3 - ENHANCING THE ORBIT TESTBED WITH LTE AND CLOUD RADIO PROCESSING
National Science Foundation
RUTGERS THE ST UNIV OF NJ NEW BRUNSWICK
The ORBIT upgrade proposed here involves two major enhancements to the testbed. First, both the radio grid emulator and the outdoor ORBIT campus network will be upgraded to incorporate LTE in addition to the existing WiMax capability. LTE is rapidly being deployed in 4G cellular systems worldwide, and it is important to enable the research community to use this access technology for realistic mobile network experiments. LTE capability will be added to the outdoor ORBIT network by retrofitting a commercial base station to be controllable through the ORBIT management framework (OMF), while LTE on indoor nodes will be implemented in software running on available SDR platforms. Second, the radio grid's backend will be upgraded with a unique combination of FPGA and CPU based "software radio cloud" that will increase processing speeds by two orders-of-magnitude. The proposed radio cloud is designed as a hierarchically organized high-performance system which includes fast CPU-based servers, FPGA co-processors and "thin-client" software-defined radio nodes all connected together by a fast and programmable switching backplane. The system will include nearly 16 compute server blades (each with rated computing capacity of 700 GIPS), a large FPGA-based centralized co-processor array, a total of about 48 software defined radio (SDR) client nodes and about 128 x 10Gbps OpenFlow switch ports for connectivity. Examples of experiments that will be enabled include LTE-WiFi interworking, LTE-based mobile cloud services, wideband spectrum sensing and dynamic spectrum access algorithms, massive MIMO (multiple input multiple output) and cooperative PHY, cellular cloud RAN (radio access network) and virtual wireless networks. LTE capabilities will be released during year 1 of the project, and a first version of the radio cloud will be released in year 2, followed by an updated version in year 3.
City: NEW BRUNSWICK
Country: UNITED STATES
Award Notice Date: 02-Jul-2015
Project Start Date: 01-Jul-2015
Budget Start Date:
Project End Date: 30-Jun-2018
Budget End Date:
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National Science Foundation
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