HARDWARE-TRUSTED ORTHOGONAL FREQUENCY DIVISION MULTIPLEX (OFDM) ACCESS TO A SHARED COMMON PUBLIC RADIO INTERFACE (CPRI)

An Orthogonal Frequency Division Multiplex (OFDM) data communication system comprises OFDM subsystems. A trusted OFDM subsystem receives trust challenge data and encodes the trust challenge data with a physically-embedded read-only trust key to generate encoded trust data. The trusted OFDM subsystem...

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Bibliographische Detailangaben
Hauptverfasser: Rajagopal Arun, Paczkowski Lyle Walter, Bartlett Roger Danforth
Format: Patent
Sprache:eng
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Zusammenfassung:An Orthogonal Frequency Division Multiplex (OFDM) data communication system comprises OFDM subsystems. A trusted OFDM subsystem receives trust challenge data and encodes the trust challenge data with a physically-embedded read-only trust key to generate encoded trust data. The trusted OFDM subsystem transfers the encoded trust data. The trusted OFDM subsystem receives user data into a trusted network receive buffer system and transfers a resource request to an access OFDM subsystem. The access OFDM subsystem receives the resource request and allocates and indicates trusted OFDM resource blocks to the trusted OFDM subsystem. The trusted OFDM subsystem schedules the user data using the trusted OFDM resource blocks and transfers the user data from the trusted network receive buffer system to a trusted Common Public Radio Interface (CPRI) transmit buffer system. The trusted OFDM subsystem transfers the user data from the trusted CPRI transmit buffer system to a CPRI communication system.