Cross-Carrier Indication Signal in LBT Systems
OwnerAmitav Mukherjee, Jung-Fu Cheng +1inventors
InventorsAmitav Mukherjee, Jung-Fu Cheng, Havish Koorapaty
Life of this patent
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Abstract
There is disclosed a method for operating a terminal in a wireless communication network. The terminal is configured with first cell and/or first uplink carrier and a second cell and/or second uplink carrier. The method comprises transmitting a cross-carrier indication signal on the first cell and/or first uplink carrier indicating whether the terminal has transmitted data on the second cell and/or second uplink carrier.
Claims12
1-10. (canceled)
A method for operating a terminal in a wireless communication network, the terminal being configured with a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the method comprising:
- transmitting a cross-carrier indication signal on the first cell and/or first uplink carrier, indicating whether the terminal has transmitted data on the second cell and/or second uplink carrier.
A terminal for a wireless communication network, the terminal being configured with a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the terminal comprising:
- radio circuitry;
- and
- processing circuitry operatively associated with the radio circuitry and configured to:
- transmit, via the radio circuitry, a cross-carrier indication signal on the first cell and/or first uplink carrier, indicating whether the terminal has transmitted data on the second cell and/or second uplink carrier.
A method for operating a terminal in a wireless communication network, the terminal being configured with a first cell and/or first downlink carrier and a second cell and/or second downlink carrier, the method comprising:
- receiving data on the second cell and/or second downlink carrier;
- receiving a cross-carrier indication signal (CIS) on the first cell and/or first downlink carrier, wherein the CIS indicates whether a transmission on the second cell and/or second downlink carrier was provided;
- and
- processing the data received on the second cell and/or second downlink carrier based on the CIS.
A method for operating a network node, the network node being connected to a terminal via a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the method comprising:
- receiving data on the second cell and/or second uplink carrier;
- receiving a cross-carrier indication signal (CIS) on the first cell and/or first uplink carrier, wherein the CIS indicates whether a transmission on the second cell and/or second uplink carrier was provided by the terminal;
- and
- processing the data received on the second cell and/or second uplink carrier based on the CIS.
A terminal for a wireless communication network, the terminal being configured with a first cell and/or first downlink carrier and a second cell and/or second downlink carrier, the terminal comprising:
- radio circuitry;
- and
- processing circuitry operatively associated with the radio circuitry and configured to:
- receive, via the radio circuitry, data on the second cell and/or second downlink carrier;
- receive, via the radio circuitry, a cross-carrier indication signal (CIS) on the first cell and/or first downlink carrier, wherein the CIS indicates whether a transmission on the second cell and/or second downlink carrier was provided by the wireless communication network;
- and
- process the data received on the second cell and/or second downlink carrier based on the CIS.
A network node for a wireless communication network, the network node being connected to a terminal via a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the network node comprising:
- radio circuitry;
- and
- processing circuitry operatively associated with the radio circuitry and configured to:
- receive, via the radio circuitry, data on the second cell and/or second uplink carrier;
- receive, via the radio circuitry, a cross-carrier indication signal (CIS) on the first cell and/or first uplink carrier, wherein the CIS indicates whether a transmission on the second cell and/or second uplink carrier was provided by the terminal;
- and
- process the data received on the second cell and/or second uplink carrier based on the CIS.
A non-transitory computer-readable storage medium storing a computer program for operating a terminal in a wireless communication network, the terminal being configured with a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the computer program comprising code executable by processing circuitry of the terminal, the code causing the terminal to:
- transmit a cross-carrier indication signal on the first cell and/or first uplink carrier, indicating whether the terminal has transmitted data on the second cell and/or second uplink carrier.
A non-transitory computer-readable storage medium storing a computer program for operating a terminal in a wireless communication network, the terminal being configured with a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the computer program comprising code executable by processing circuitry of the terminal, the code causing the terminal to:
- receive data on the second cell and/or second downlink carrier;
- receive a cross-carrier indication signal (CIS) on the first cell and/or first downlink carrier, wherein the CIS indicates whether a transmission on the second cell and/or second downlink carrier was provided;
- and
- process the data received on the second cell and/or second downlink carrier based on the CIS.
A non-transitory computer-readable storage medium storing a computer program for operating a network node connected to a terminal via a first cell and/or first uplink carrier and a second cell and/or second uplink carrier, the computer program comprising code executable by processing circuitry of the network node, the code causing the network node to:
- receive data on the second cell and/or second downlink carrier;
- receive a cross-carrier indication signal (CIS) on the first cell and/or first downlink carrier, wherein the CIS indicates whether a transmission on the second cell and/or second downlink carrier was provided by the terminal;
- and
- process the data received on the second cell and/or second downlink carrier based on the CIS.
Dependencies are inferred from the claim text.