REPEATER, NETWORK DEVICE AND COMMUNICATION METHOD THEREOF
A repeater node includes: a receiver configured to receive first indication information transmitted by a network equipment, the first indication information is used to indicate a group of time units, a first time unit in the group of time units being available for transmitting a first uplink communication signal generated by the repeater node to the network equipment, and a second time unit in the group of time units being used for transmitting a second uplink forwarding signal received by the repeater to the network device; and a transmitter configured to transmit the second uplink forwarding signal to the network equipment during the second time unit.
1 . A repeater node, comprising:
a receiver configured to receive first indication information transmitted by a network equipment, the first indication information is used to indicate a group of time units, a first time unit in the group of time units being available for transmitting a first uplink communication signal generated by the repeater node to the network equipment, and a second time unit in the group of time units being used for transmitting a second uplink forwarding signal received by the repeater to the network device; and
a transmitter configured to transmit the second uplink forwarding signal to the network equipment during the second time unit.
2 . The repeater node according to claim 1 , wherein
the first indication information comprises a first semi-static signaling, the first semi-static signaling at least being used to configure the first time unit and/or a fourth time unit in the group of time units, the fourth time unit being available for receiving a fourth downlink communication signal from the network equipment by the repeater node.
3 . The repeater node according to claim 2 , wherein
the first indication information comprises a second semi-static signaling, the second semi-static signaling and the first semi-static signaling being used to configure/indicate the second time unit; and/or
the first indication information comprises a third dynamic signaling, the third dynamic signaling and the first semi-static signaling being used to configure/indicate the second time unit; and/or
the first indication information comprises a fourth semi-static signaling and/or a fifth semi-static signaling, the fourth semi-static signaling and the fifth semi-static signaling and the first semi-static signaling being used to configure/indicate the second time unit.
4 . The repeater node according to claim 1 , wherein
the receiver is further configured to receive a period of the group of time units indicated and/or configured by the network equipment, and/or receive a subcarrier interval to which the group of time units correspond indicated and/or configured by the network equipment, a time unit in the group of time units is at least one of a symbol, a slot or a subframe, and/or
the receiver is further configured to receive the first indication information in a first cell, and/or, the transmitter is further configured to transmit the first uplink communication signal and/or the second uplink forwarding signal to the network equipment in the first cell, wherein the first cell is a serving cell of the repeater node.
5 . The repeater node according to claim 1 , wherein the transmitter is further configured to:
transmit the first uplink communication signal to the network equipment during the first time unit by using a first spatial filter, and transmit the second uplink forwarding signal to the network equipment during the second time unit by using a second spatial filter; or,
transmit the first uplink communication signal to the network equipment at the first time unit and transmit the second uplink forwarding signal to the network equipment during the second time unit by using a first spatial filter.
6 . The repeater node according to claim 1 , wherein
the first time unit used for transmitting the first uplink communication signal and the second time unit used for transmitting the second uplink forwarding signal are time division multiplexing.
7 . The repeater node according to claim 1 , wherein the receiver is further configured to:
receive a third downlink forwarding signal and/or a fourth communication signal transmitted by the network equipment, the third downlink forwarding signal being used to transmit after being at least amplified by the repeater node,
wherein the group of time units further comprises a third time unit, the third downlink forwarding signal being transmitted by the network equipment during the third time unit.
8 . The repeater node according to claim 7 , wherein
the first uplink communication signal includes at least one of the following: a physical uplink shared channel, a demodulation reference signal, a sounding reference signal, a physical random access channel, a physical uplink control channel, a scheduling request;
the fourth downlink communication signal is one or more of the following signals: a physical downlink control channel, a physical downlink shared channel, a synchronization signal block, a channel state information reference signal, a demodulation reference signal, a phase tracking reference signal, a remote interference management reference signal, a positioning reference signal.
9 . The repeater node according to claim 7 , wherein the receiver is further configured to:
receive the third downlink forwarding signal during a third time unit by using a third spatial filter, and receive the fourth downlink communication signal during a fourth time unit by using a fourth spatial filter; or,
receive the third downlink forwarding signal at the third time unit and receive the fourth downlink communication signal during the fourth time unit by using a third spatial filter.
10 . The repeater node according to claim 7 , wherein
the fourth time unit used for transmitting the fourth downlink communication signal and the third time unit used for transmitting the third downlink forwarding signal are time division multiplexing.
11 . A network equipment, comprising:
a transmitter configured to transmit first indication information to a repeater node, the first indication information being used to indicate a group of time units, a first time unit in the group of time units being available for transmitting a first uplink communication signal generated by the repeater node to the network equipment, and a second time unit in the group of time units being used for transmitting a second uplink forwarding signal received by the repeater node to the network equipment; and
a receiver configured to receive the second uplink forwarding signal at the second time unit.
12 . The network equipment according to claim 11 , wherein
the first indication information comprises a first semi-static signaling, the first semi-static signaling at least being used to configure the first time unit and/or a fourth time unit in the group of time units, the fourth time unit being available for transmitting a fourth downlink communication signal by the network equipment to the repeater node.
13 . The network equipment according to claim 11 , wherein
the first indication information comprises a second semi-static signaling and/or a third dynamic signaling, the second semi-static signaling and the third dynamic signaling at least being used to configure/indicate the second time unit; and/or
the first indication information comprises a fourth semi-static signaling and/or a fifth semi-static signaling, the fourth semi-static signaling and the fifth semi-static signaling at least being used to configure the second time unit.
14 . The network equipment according to claim 11 , wherein the transmitter is further configured to: indicate and/or configure a period of the group of time units to the repeater node, and/or, indicate and/or configure a subcarrier interval to which the group of time units correspond to the repeater node; wherein a time unit in the group of time units is at least one of a symbol, a slot or a subframe; and/or
the transmitter is further configured to transmit the first indication information in a first cell, and/or, the receiver is further configured to receives the first uplink communication signal and/or the second uplink forwarding signal in the first cell, wherein the first cell is a serving cell of the repeater node.
15 . The network equipment according to claim 11 , wherein the transmitter is further configured to:
indicate the repeater node to transmit the first uplink communication signal at the first time unit by using a first spatial filter, and indicate the repeater node to transmit the second uplink forwarding signal at the second time unit by using a second spatial filter; or,
indicate the repeater node to transmit the first uplink communication signal at the first time unit and transmit the second uplink forwarding signal at the second time unit by using a first spatial filter.
16 . The network equipment according to claim 11 , wherein the transmitter is further configured to: transmit a third downlink forwarding signal and/or a fourth downlink communication signal to the repeater node, the third downlink forwarding signal being used to transmit after being at least amplified by the repeater node, wherein
the group of time units further comprises a third time unit, the third downlink forwarding signal being transmitted by the network equipment at the third time unit.
17 . The network equipment according to claim 16 , wherein
the first uplink communication signal includes at least one of the following: a physical uplink shared channel, a demodulation reference signal, a sounding reference signal, a physical random access channel, a physical uplink control channel, a scheduling request;
the fourth downlink communication signal is one or more of the following signals: a physical downlink control channel, a physical downlink shared channel, a synchronization signal block, a channel state information reference signal, a demodulation reference signal, a phase tracking reference signal, a remote interference management reference signal, a positioning reference signal.
18 . The network equipment according to claim 16 , wherein the transmitter is further configured to:
indicate the repeater node to receive the third downlink forwarding signal at a third time unit by using a third spatial filter, and indicate the repeater node to receive the fourth downlink communication signal at a fourth time unit by using a fourth spatial filter; or,
indicate the repeater node to receive the third downlink forwarding signal at the third time unit and receive the fourth downlink communication signal at the fourth time unit by using a third spatial filter.
19 . The network equipment according to claim 16 , wherein
the first time unit used for transmitting the first uplink communication signal and the second time unit used for transmitting the second uplink forwarding signal are time division multiplexing; and/or
the fourth time unit used for transmitting the fourth downlink communication signal and the third time unit used for transmitting the third downlink forwarding signal are time division multiplexing.
20 . A communication system, comprising:
a network equipment configured to transmit first indication information, the first indication information being used to indicate a group of time units; and
a repeater node configured to:
receive the first indication information; wherein a first time unit in the group of time units is available for transmitting a first uplink communication signal generated by the repeater node to the network equipment, and a second time unit in the group of time units is used for transmitting a second uplink forwarding signal received by the repeater to the network equipment, and
transmit the second uplink forwarding signal to the network equipment at the second time unit.