Radio access network (RAN) equipment and communication equipment for performing photonics-based terahertz wireless communication
View Patent ↗Disclosed are a radio access network (RAN) equipment and communication equipment for performing photonics-based terahertz wireless communication. The RAN equipment includes a radio unit (RU), a distributed unit (DU), and a central unit (CU), wherein the RU and the DU are configured to transmit and/or receive data through photonics-based terahertz wireless communication, and the DU and the CU are configured to transmit and/or receive data through photonics-based terahertz wireless communication.
1 . A radio access network (RAN) equipment comprising:
a radio unit (RU);
a distributed unit (DU); and
a central unit (CU),
wherein the RU and the DU are configured to transmit and/or receive data through photonics-based terahertz wireless communication, and
the DU and the CU are configured to transmit and/or receive data through photonics-based terahertz wireless communication, and
a photonics-based terahertz transmitter and/or receiver included in each of the RU, the DU, and the CU comprises an interface comprising a time division duplexing (TDD) synchronization signal input/output terminal and a global positioning system (GPS) synchronization signal input/output terminal.
2 . The RAN equipment of claim 1 , wherein
the RU, the DU, and the CU each comprise a photonics-based terahertz transmitter, and
the photonics-based terahertz transmitter comprises:
a first optical signal generator and a second optical signal generator each configured to generate light;
an optical modulator configured to modulate the light generated by the first optical signal generator based on a data signal to be transmitted;
an optical coupler configured to couple the light modulated by the optical modulator and the light generated by the second optical signal generator;
a photomixer configured to generate an terahertz wave based on a signal coupled by the optical coupler; and
an antenna configured to transmit the terahertz wave.
3 . The RAN equipment of claim 2 , wherein the terahertz wave is generated based on a wavelength difference between the light generated by the first optical signal generator and the light generated by the second optical signal generator.
4 . The RAN equipment of claim 1 , wherein
the RU, the DU, and the CU each comprise a electronics-based terahertz receiver, and
the electronics-based terahertz receiver comprises:
an antenna configured to receive an terahertz wave transmitted from a photonics-based terahertz transmitter;
an electrical demodulator configured to convert the terahertz wave received at the antenna into a baseband signal or an intermediate frequency carrier-based signal; and
a baseband signal processor configured to restore a data signal from the baseband signal or the intermediate frequency carrier-based signal.
5 . The RAN equipment of claim 1 , wherein the DU and/or the CU is configured to transmit and/or receive data to and/or from a router connected to a mobile core through photonics-based terahertz wireless communication.
6 . A radio access network (RAN) equipment comprising:
a distributed unit (DU); and
a central unit (CU),
wherein the DU and/or the CU is configured to transmit and/or receive data to and/or from a router connected to a mobile core through photonics-based terahertz wireless communication, and
wherein a photonics-based terahertz transmitter and/or receiver included in each of the DU and the CU comprises an interface comprising a time division duplexing (TDD) synchronization signal input/output terminal and a global positioning system (GPS) synchronization signal input/output terminal.
7 . The RAN equipment of claim 6 , wherein
the DU and the CU each comprise a photonics-based terahertz transmitter, and
the photonics-based terahertz transmitter comprises:
a first optical signal generator and a second optical signal generator each configured to generate light;
an optical modulator configured to modulate the light generated by the first optical signal generator based on a data signal to be transmitted;
an optical coupler configured to couple the light modulated by the optical modulator and the light generated by the second optical signal generator;
a photomixer configured to generate an terahertz wave based on a signal coupled by the optical coupler; and
an antenna configured to transmit the terahertz wave.
8 . The RAN equipment of claim 6 , wherein
the DU and the CU each comprise a electronics-based terahertz receiver, and
the electronics-based terahertz receiver comprises:
an antenna configured to receive an terahertz wave transmitted from a photonics-based terahertz transmitter;
an electrical demodulator configured to convert the terahertz wave received at the antenna into a baseband signal or an intermediate frequency carrier-based signal; and
a baseband signal processor configured to restore a data signal from the baseband signal or the intermediate frequency carrier-based signal.
9 . The RAN equipment of claim 6 , further comprising:
a radio unit (RU),
wherein the RU and the DU are configured to transmit and/or receive data through photonics-based terahertz wireless communication, and
the DU and the CU are configured to transmit and/or receive data through photonics-based terahertz wireless communication.
10 . A communication equipment for performing communication with another communication equipment through a disaster recovery network, the communication equipment comprising:
an antenna; and
a transceiver configured to transmit data to the other communication equipment or receive data from the other communication equipment based on photonics-based terahertz wireless communication, through the antenna,
wherein the transceiver comprises an interface comprising a time division duplexing (TDD) synchronization signal input/output terminal and a global positioning system (GPS) synchronization signal input/output terminal.
11 . The communication equipment of claim 10 , wherein
the transceiver comprises a photonics-based terahertz transmitter, and
the photonics-based terahertz transmitter comprises:
a first optical signal generator and a second optical signal generator each configured to generate light;
an optical modulator configured to modulate the light generated by the first optical signal generator based on a data signal to be transmitted;
an optical coupler configured to couple the light modulated by the optical modulator and the light generated by the second optical signal generator; and
a photomixer configured to generate an terahertz wave based on a signal coupled by the optical coupler,
wherein the antenna is configured to transmit the terahertz wave.
12 . The communication equipment of claim 11 , wherein the terahertz wave is generated based on a wavelength difference between the light generated by the first optical signal generator and the light generated by the second optical signal generator.
13 . The communication equipment of claim 10 , wherein
the transceiver comprises a electronics-based terahertz receiver, and
an antenna configured to receive an terahertz wave transmitted from a photonics-based terahertz transmitter, and
the electronics-based terahertz receiver comprises:
an electrical demodulator configured to convert the terahertz wave received at the antenna into a baseband signal or an intermediate frequency carrier-based signal; and
a baseband signal processor configured to restore a data signal from the baseband signal or the intermediate frequency carrier-based signal.