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HARDWARE-TRUSTED ORTHOGONAL FREQUENCY DIVISION MULTIPLEX (OFDM) ACCESS TO A SHARED COMMON PUBLIC RADIO INTERFACE (CPRI)
HARDWARE-TRUSTED ORTHOGONAL FREQUENCY DIVISION MULTIPLEX (OFDM) ACCESS TO A SHARED COMMON PUBLIC RADIO INTERFACE (CPRI)
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机译:共享公用无线电接口(CPRI)的硬件扭曲正交频分多路复用(OFDM)访问
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摘要
An Orthogonal Frequency Division Multiplex (OFDM) data communication system (100) has an access subsystem (110) that exchanges user data with an access network (130). The OFDM system (100) has a trusted subsystem (120) that exchanges user data with a trusted network (140). The trusted subsystem (120) also encodes trust challenge data with a physically-embedded key and transfers the encoded trust challenge data for remote hardware trust validation. The access subsystem (110) allocates OFDM resource blocks to the trusted subsystem (120) and schedules its user data in the remaining OFDM resource blocks. The trusted subsystem (120) schedules its user data in the allocated OFDM resource blocks and determines a Common Public Radio Interface (CPRI) sequence for the user data based on the OFDM scheduling. The access subsystem (110) exchanges its user data with the trusted subsystem (120). The trusted subsystem (120) exchanges the user data with a CPRI communication system based on the CPRI sequence.
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