Abstract
A method of reporting channel quality indicator (CQI) for a communication device comprises performing a channel measurement on a channel between the communication device and a network; determining a number of at least one reference resource needed for achieving a channel quality indicator (CQI) level according to the channel measurement; and transmitting an indicator indicating the number of the at least one reference resource to the network.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 17/02/2020 | ISLD-202002-045 | ACER INC |
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| 4G | 29/03/2021 | ISLD-202103-028 | ACER INC | No | Family Member | ||||
Specification Information
Specification Information
Technologies
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Channel Status Information(CSI) Reporting
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Channel Quality Measurement/Estimation
Claim
1. A method of reporting channel state information (CSI) for a communication device, the method comprising:
performing a channel measurement on a channel between the communication device and a network;
determining a number of times that at least one reference resource needed to be accumulated for achieving a CQI level in a CQI mapping table according to the channel measurement; and
transmitting an indicator indicating the number of times that the at least one reference resource to be accumulated to the network;
wherein the at least one reference resource is used for determining the CSI.
2. The method of claim 1, wherein the CQI level is the lowest CQI level in a CQI mapping table.
3. The method of claim 1, wherein the CQI level is configured to the communication device via a higher layer signaling or via a CSI request field of downlink control information transmitted by the network.
4. The method of claim 1, wherein the indicator indicates a base number, and the number of the at least one reference resource is a function of the base number and a parameter which is predetermined, configured via a higher layer signaling, or configured dynamically.
5. The method of claim 1, wherein the indicator is represented by a plurality of bits.
6. The method of claim 1, wherein the indicator indicates the number of the at least one reference resource to the network by indicating an entry in the CQI mapping table.
7. The method of claim 1, wherein the communication device is for coverage enhancement (CE), and the CQI mapping table is designed for the CE, wherein the CE corresponds to at least one first parameter, a first criterion and/or at least one first dedicated resource different from at least one second parameter, a second criterion and/or at least one second dedicated resource corresponding to a normal mode defined in the 3rd Generation Partnership Project (3GPP) standard.
8. The method of claim 1, wherein the indicator is corresponding to at least one of a modulation and a code rate.
9. The method of claim 8, wherein the modulation comprises �Quadrature Phase-Shift Keying (QPSK)�, when the number of times that at least one reference resource needed to be accumulated is one of 1, 2, 4, 8, 16, 32, 64 and 128.
10. The method of claim 8, wherein the modulation comprises �16 Quadrature Amplitude Modulation (QAM)�, when the number of times that at least one reference resource needed to be accumulated is 1.
11. The method of claim 8, wherein the modulation comprises �64 Quadrature Amplitude Modulation (QAM)�, when the number of times that at least one reference resource needed to be accumulated is 1.
12. A method of reporting channel state information (CSI) for a communication device, the method comprising:
determining a number of times that at least one reference resource needed to be accumulated according to a higher layer signaling;
performing a channel measurement on a channel between the communication device and a network according to the number of times that the at least one reference resource needed to be accumulated;
determining a CQI level in a CQI mapping table achieved by using the at least one reference resource according to the channel measurement; and
transmitting a first indicator indicating the CQI level to the network;
wherein the at least one reference resource is used for determining the CSI.
13. The method of claim 12, wherein the first indicator is represented by a plurality of bits.
14. The method of claim 12, wherein the first indicator indicates the CQI level by indicating an entry in the CQI mapping table.
15. The method of claim 12, wherein the communication device is for coverage enhancement (CE), and the CQI mapping table is designed for the CE, wherein the CE corresponds to at least one first parameter, a first criterion and/or at least one first dedicated resource different from at least one second parameter, a second criterion and/or at least one second dedicated resource corresponding to a normal mode defined in the 3rd Generation Partnership Project (3GPP) standard.
16. The method of claim 12, wherein each of the at least one reference resource are defined according to the 3GPP Re-10 standard.
17. A communication device for reporting channel state information (CSI), comprising:
a storage unit for storing instructions of:
determining a number of times that at least one reference resource needed to be accumulated according to a higher layer signaling;
performing a channel measurement on a channel between the communication device and a network according to the number of times that the at least one reference resource needed to be accumulated;
determining a CQI level in a CQI mapping table achieved by using the at least one reference resource according to the channel measurement; and
transmitting a first indicator indicating the CQI level to the network;
wherein the at least one reference resource is used for determining the CSI; and
a processing means, coupled to the storage unit, configured to execute the instructions stored in the storage unit.
18. The communication device of claim 17, wherein the first indicator is represented by a plurality of bits.
19. The communication device of claim 17, wherein the first indicator indicates the CQI level by indicating an entry in the CQI mapping table.
20. The communication device of claim 17, wherein the communication device is for coverage enhancement (CE), and the CQI mapping table is designed for the CE, wherein the CE corresponds to at least one first parameter, a first criterion and/or at least one first dedicated resource different from at least one second parameter, a second criterion and/or at least one second dedicated resource corresponding to a normal mode defined in the 3rd Generation Partnership Project (3GPP) standard.
21. The communication device of claim 17, wherein each of the at least one reference resource are defined according to the 3GPP Re-10 standard.
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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
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