Abstract
To measure the channel quality of the own cell accurately in a condition where there is no interference from a neighbor cell. A wireless communication terminal according to the invention is a wireless communication terminal to be connected to a base station for transmitting and receiving data to/from the base station the wireless communication terminal including: a receiver that receives a signal which includes control information provided for measuring a channel quality of own cell from the base station; an extractor that extracts the control information from the signal received by the receiver; a measurement section that measures on the basis of the control information the channel quality of the own cell in a domain where a neighbor cell does not transmit a signal; and a transmitter that transmits a measurement result of the channel quality of the own cell measured by the measurement section to the base station.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
4G | 06/08/2013 | ISLD-201309-038 | PANASONIC CORP |
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4G | 21/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
4G | 14/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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Specification Information
Specification Information
Technologies
Family Information
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WO2010131487A1 | 4G | 06/08/2013 | ISLD-201309-038 | PANASONIC CORP |
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Technologies
Product
Use Cases
Services
Claim
1. An integrated circuit for a terminal that receives signals from a first cell to which the terminal belongs and from a second cell, the integrated circuit comprising:
receiving circuitry, which, in operation, controls reception of information indicating subframes that include a subframe in which no downlink data is transmitted from the second cell, and controls reception of a reference signal that is transmitted from the first cell to which the terminal belongs and that is transmitted in the subframe in which no downlink data is transmitted from the second cell; and
measuring circuitry, which is coupled to the receiving circuitry and which, in operation, measures a channel quality indicator (CQI) using the reference signal that is transmitted from the first cell in the subframe in which no downlink data is transmitted from the second cell, wherein a CQI for a subframe, in which the second cell causes no interference to the first cell to which the terminal belongs, is measured based on said information.
2. The integrated circuit according to claim 1, comprising:
at least one input coupled to the receiving circuitry, wherein the at least one input, in operation, inputs data; and
at least one output coupled to the measuring circuity, wherein the at least one output, in operation, outputs data.
3. The integrated circuit according to claim 2, wherein the at least one output and the at least one input, in operation, are coupled to an antenna.
4. The integrated circuit according to claim 1, wherein the second cell is a neighbor cell to the first cell.
5. The integrated circuit according to claim 1, wherein the second cell causes interference to the first cell to which the terminal belongs.
6. The integrated circuit according to claim 1, wherein the subframe is a Multicast/Broadcast over Single Frequency Network (MBSFN) subframe.
7. The integrated circuit according to claim 1, wherein the subframes indicated by said information are different depending on a cell.
8. The integrated circuit according to claim 1, wherein the reference signal used to measure the CQI is mapped on or after the third symbol in the subframe of the first cell to which the terminal belongs.
9. The integrated circuit according to claim 1, wherein the reference signal used to measure the CQI is mapped on the seventh symbol in the subframe of the first cell to which the terminal belongs.
10. An integrated circuit for a terminal that receives signals from a first cell to which the terminal belongs and from a second cell, the integrated circuit comprising:
circuitry, which, in operation:
controls reception of information indicating subframes that include a subframe in which no downlink data is transmitted from the second cell, and reception of a reference signal that is transmitted from the first cell to which the terminal belongs and that is transmitted in the subframe in which no downlink data is transmitted from the second cell; and
measures a channel quality indicator (CQI) using the reference signal that is transmitted from the first cell in the subframe in which no downlink data is transmitted from the second cell, wherein a CQI for a subframe, in which the second cell causes no interference to the first cell to which the terminal belongs, is measured based on said information; and
at least one input coupled to the circuitry, wherein the at least one input, in operation, inputs data.
11. The integrated circuit according to claim 10, comprising:
at least one output coupled to the circuitry, wherein the at least one output, in operation, outputs data.
12. The integrated circuit according to claim 11, wherein the at least one output and the at least one input, in operation, are coupled to an antenna.
13. The integrated circuit according to claim 10, wherein the second cell is a neighbor cell to the first cell.
14. The integrated circuit according to claim 10, wherein the second cell causes interference to the first cell to which the terminal belongs.
15. The integrated circuit according to claim 10, wherein the subframe is a Multicast/Broadcast over Single Frequency Network (MB SFN) subframe.
16. The integrated circuit according to claim 10, wherein the subframes indicated by said information are different depending on a cell.
17. The integrated circuit according to claim 10, wherein the reference signal used to measure the CQI is mapped on or after the third symbol in the subframe of the first cell to which the terminal belongs.
18. The integrated circuit according to claim 10, wherein the reference signal used to measure the CQI is mapped on the seventh symbol in the subframe of the first cell to which the terminal belongs.
Associated Portfolios
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.