COMMUNICATION METHOD, DEVICE AND SYSTEM
A communication device includes a first module and a second module, the first module acquires first TDD configuration, the first TDD configuration being at least used by the first module to receive a signal from a first network device and/or transmit a signal to the first network device at a first band; the first module acquires second TDD configuration, the second TDD configuration being at least used by the second module to receive a third signal from a second network device at a second band, the third signal being used to be forwarded, and/or, the second TDD configuration being at least used by the second module to forward a processed fourth signal to the second network device at the second band; and the first band and the second band do not overlap in a frequency domain.
1 . A communication device comprising a first module and a second module,
the first module acquires first TDD configuration, the first TDD configuration being at least used by the first module to receive a signal from a first network device and/or transmit a signal to the first network device at a first band;
the first module acquires second TDD configuration, the second TDD configuration being at least used by the second module to receive a third signal from a second network device at a second band, the third signal being used to be forwarded, and/or, the second TDD configuration being at least used by the second module to forward a processed fourth signal to the second network device at the second band; and
the first band and the second band do not overlap in a frequency domain.
2 . The device according to claim 1 , wherein the second TDD configuration is further used by the second module to transmit a processed third signal at the second band, and/or receive the fourth signal at the second band.
3 . The device according to claim 1 , wherein the first TDD configuration and/or the second TDD configuration is/are used to determine a forwarding direction of the second module of the repeater and/or whether to forward.
4 . The device according to claim 1 , wherein first subcarrier spacings of the first TDD configuration and the second TDD configuration are identical or different.
5 . The device according to claim 1 , wherein the first band is located in a first frequency range, and the second band is located in a second frequency range.
6 . The device according to claim 1 , wherein subcarrier spacings of the first band and the second band are different.
7 . The device according to claim 1 , wherein the first band comprises a first carrier, the first carrier comprising a first downlink carrier and/or a first uplink carrier.
8 . The device according to claim 7 , wherein the first uplink carrier and the first downlink carrier are located at the same position in a frequency domain or do not overlap in the frequency domain.
9 . The device according to claim 1 , wherein the second band comprises a second carrier, the second carrier comprising a second downlink carrier and/or a second uplink carrier.
10 . The apparatus according to claim 9 , wherein the second uplink carrier and the second downlink carrier are located at the same position in the frequency domain or do not overlap in the frequency domain.
11 . The device according to claim 1 , wherein
the first module receives information for indicating the first TDD configuration and/or the second TDD configuration.
12 . The device according to claim 11 , wherein the information for indicating the first TDD configuration and/or the second TDD configuration is carried by dynamic signaling and/or semi-static signaling.
13 . The device according to claim 12 , wherein the dynamic signaling is downlink control information or a physical downlink control channel.
14 . The device according to claim 12 , wherein the semi-static signaling is media access control control element signaling or radio resource control signaling.
15 . The device according to claim 1 , wherein
the first module receives and/or transmits signals at the second band.
16 . The device according to claim 11 , wherein
the first module receives the information for indicating the first TDD configuration and/or the second TDD configuration at a first downlink carrier and/or a second downlink carrier.
17 . The device according to claim 11 , wherein the information for indicating the first TDD configuration and/or the second TDD configuration is in system information and/or first cell configuration information and/or second cell configuration information.
18 . The device according to claim 1 , wherein the first TDD configuration and/or the second TDD configuration is/are cell-specific and/or repeater-specific.
19 . A network device, comprising:
a transmitter configured to transmit a signal to a mobile terminal of a repeater, and/or,
a receiver configured to receive a signal from the mobile terminal of the repeater.
20 . A communication system, comprising a network device, a terminal equipment and a repeater, wherein
the network device is configured to transmit a signal to and/or receive a signal from the repeater; and/or, the network device is configured to transmit a signal to the terminal equipment via the repeater and/or receive a signal from the terminal equipment via the repeater;
the repeater is configured to:
acquire first TDD configuration via a first module, the first TDD configuration being at least used by the first module to receive a signal from a first network device and/or transmit a signal to the first network device at a first band,
acquire second TDD configuration via the first module, the second TDD configuration being at least used by a second module to receive a third signal from a second network device at a second band, the third signal being used to be forwarded, and/or, the second TDD configuration being at least used by the second module to forward a processed fourth signal to the second network device at the second band; and
the first band and the second band do not overlap in a frequency domain.