Cluster Metadata Timestamp Meas. Unit: s, Data type: s name: ID: 013 Size: 2 Desc.: It is the time instant in which the SD has completed the acquisition. It is denoted as a basic reference time value. Seconds since midnight (UTC) of January 1, 1970. .0 Timestamp.s Data type: Unsigned integer .1 Unsigned Timestamp.us Data type: integer Scanned Time This metadata denotes the amount of time that the SD has employed to perform the sensing operation in a channel or set of channels. Metadata Scan.Time Meas. Unit: ms Data type: Unsigned fixed-point name: 014 1 ID: Size: It denotes the amount of time that the SD has employed to perform the sensing operation in a Desc.: channel or set of channels. Range (min/resolution/max) 0 ms 1 ms (232–1) ms Data Typology This metadata denotes the description of the received data domain. -------- Enumeration Metadata Data.Typology Meas. Unit: Data type: name: ID: 015 Size: 1 Unique identification of the possible data typology of the received data. Desc.: Enumerator 0 I/Q.Time Value: Enumerator 1 FFT Value: Enumerator PSD Value: 2 Enumerator I/Q.Freq Value: 3 Enumerator Time.sample Value: 4 Enumerator Occupied Value: 5 Note: FFT stands for Fast Fourier Transform and PSD stands for Power Spectral Density. I/Q.Time and I/Q.Freq denote the I/Q sample in time domain and the spectrum of the I/Q component, respectively. Time.sample is the acquired signal and occupied is used if the output is Boolean variable (the SD has scanned only one channel) or an array of Boolean variables (the SD has scanned more than one channel). means “1” that the scanned channel is otherwise. occupied “0” Sensing Technique It denotes the sensing technique currently adopted by the SD. Metadata Sens.Algorithm Meas. Unit: -------- Data type: Enumeration name: ID: 016 Size: 1 Desc.: Unique identification of the sensing technique currently adopted by the SD. Enumerator Cyclostationarity Value: 0 Enumerator Energy.detection Value: 1
Metadata name: Timestamp Meas. Unit: s, s Data type: Cluster ID: 013 Size: 2 Desc.: It is the time instant in which the SD has completed the acquisition. It is denoted as a basic reference time value. Seconds since midnight (UTC) of January 1, 1970. .0 Timestamp.s Data type: Unsigned integer .1 Timestamp.us Data type: Unsigned integer Scanned Time This metadata denotes the amount of time that the SD has employed to perform the sensing operation in a channel or set of channels. Metadata name: Scan.Time Meas. Unit: ms Data type: Unsigned fixed-point ID: 014 Size: 1 Desc.: It denotes the amount of time that the SD has employed to perform the sensing operation in a channel or set of channels. Range (min/resolution/max) 0 ms 1 ms (232–1) ms Data Typology This metadata denotes the description of the received data domain. Metadata name: Data.Typology Meas. Unit: -------- Data type: Enumeration ID: 015 Size: 1 Desc.: Unique identification of the possible data typology of the received data. Enumerator I/Q.Time Value: 0 Enumerator FFT Value: 1 Enumerator PSD Value: 2 Enumerator I/Q.Freq Value: 3 Enumerator Time.sample Value: 4 Enumerator Occupied Value: 5 Note: FFT stands for Fast Fourier Transform and PSD stands for Power Spectral Density. I/Q.Time and I/Q.Freq denote the I/Q sample in time domain and the spectrum of the I/Q component, respectively. Time.sample is the acquired signal and occupied is used if the output is Boolean variable (the SD has scanned only one channel) or an array of Boolean variables (the SD has scanned more than one channel). “1” means that the scanned channel is occupied “0” otherwise. Sensing Technique It denotes the sensing technique currently adopted by the SD. Metadata name: Sens.Algorithm Meas. Unit: -------- Data type: Enumeration ID: 016 Size: 1 Desc.: Unique identification of the sensing technique currently adopted by the SD. Enumerator Cyclostationarity Value: 0 Enumerator Energy.detection Value: 1
22-17-0074-00-0003-contribution-metadata-specifications.docx