Method for Requesting and Reporting Channel Quality Information in Wireless System and Apparatus Thereof

Abstract

The subscriber station of claim 15 wherein the uplink data includes data to be transmitted and a header having information on the data and the subscriber and the uplink data generator adds the subheader includDisclosed is a method and device for requesting and reporting channel quality information in a mobile communication system. An uplink radio resource for a subscriber station having data to transmit is allocated and a CQI indicator for requesting channel quality information is added to the allocation information to be transmitted to a subscriber station. The subscriber station having received the uplink radio resource allocation information generates channel quality information by measuring the radio channel quality for communication with the base station according to existence of the indicator and transmits desired uplink data having the generated channel quality information to the base station. As a result the seamless and efficient channel quality report can be performed in the wireless communication system and the optical modulation and the channel coding level can be adapted for the subscriber to transmit or receive the data corresponding to the channel quality. ing the channel quality information to the header of the uplink data.

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Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number				Explicitly Disclosed	Patent Type
4G	24/10/2017	ISLD-201801-006	Electronics and Telecommunications Research Institute	S1 TS Number: TS 136 133 Version No: Illustrative part: ---- Release: S2 TS Number: TS 136 211 Version No: Illustrative part: ---- Release: S3 TS Number: TS 136 212 Version No: Illustrative part: ---- Release: S4 TS Number: TS 136 213 Version No: Illustrative part: ---- Release: S5 TS Number: TS 136 214 Version No: Illustrative part: ---- Release: S6 TS Number: TS 136 300 Version No: Illustrative part: ---- Release: S7 TS Number: TS 136 304 Version No: Illustrative part: ---- Release: S8 TS Number: TS 136 305 Version No: Illustrative part: ---- Release: S9 TS Number: TS 136 306 Version No: Illustrative part: ---- Release: S10 TS Number: TS 136 321 Version No: Illustrative part: ---- Release: S11 TS Number: TS 136 322 Version No: Illustrative part: ---- Release: S12 TS Number: TS 136 323 Version No: Illustrative part: ---- Release: S13 TS Number: TS 136 331 Version No: Illustrative part: ---- Release: +12 -12				Yes	Basis Patent

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2G 3G 4G 5G

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
US2008287138A1	4G	24/10/2017	ISLD-201801-006	Electronics and Telecommunications Research Institute	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 212 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 214 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S7 TS Number: TS 136 304 Version No: ---- Section No: Release : ---- S8 TS Number: TS 136 305 Version No: ---- Section No: Release : ---- S9 TS Number: TS 136 306 Version No: ---- Section No: Release : ---- S10 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S11 TS Number: TS 136 322 Version No: ---- Section No: Release : ---- S12 TS Number: TS 136 323 Version No: ---- Section No: Release : ---- S13 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +12 -12	Yes	Basis Patent
KR20050078635A	4G	24/10/2017	ISLD-201801-006	Electronics and Telecommunications Research Institute	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 212 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 214 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S7 TS Number: TS 136 304 Version No: ---- Section No: Release : ---- S8 TS Number: TS 136 305 Version No: ---- Section No: Release : ---- S9 TS Number: TS 136 306 Version No: ---- Section No: Release : ---- S10 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S11 TS Number: TS 136 322 Version No: ---- Section No: Release : ---- S12 TS Number: TS 136 323 Version No: ---- Section No: Release : ---- S13 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +12 -12	No	Family Member
KR100667697B1	4G	24/10/2017	ISLD-201801-006	Electronics and Telecommunications Research Institute	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 212 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 214 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S7 TS Number: TS 136 304 Version No: ---- Section No: Release : ---- S8 TS Number: TS 136 305 Version No: ---- Section No: Release : ---- S9 TS Number: TS 136 306 Version No: ---- Section No: Release : ---- S10 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S11 TS Number: TS 136 322 Version No: ---- Section No: Release : ---- S12 TS Number: TS 136 323 Version No: ---- Section No: Release : ---- S13 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +12 -12	Yes	Family Member
KR20050078636A	4G	24/10/2017	ISLD-201801-006	Electronics and Telecommunications Research Institute	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 212 Version No: ---- Section No: Release : ---- S4 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- S5 TS Number: TS 136 214 Version No: ---- Section No: Release : ---- S6 TS Number: TS 136 300 Version No: ---- Section No: Release : ---- S7 TS Number: TS 136 304 Version No: ---- Section No: Release : ---- S8 TS Number: TS 136 305 Version No: ---- Section No: Release : ---- S9 TS Number: TS 136 306 Version No: ---- Section No: Release : ---- S10 TS Number: TS 136 321 Version No: ---- Section No: Release : ---- S11 TS Number: TS 136 322 Version No: ---- Section No: Release : ---- S12 TS Number: TS 136 323 Version No: ---- Section No: Release : ---- S13 TS Number: TS 136 331 Version No: ---- Section No: Release : ---- +12 -12	Yes	Family Member

Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Measurement

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Use Cases

Wireless communication

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Claim

1. A method for reporting channel quality information (CQI) for representing channel quality by a subscriber station in a mobile communication system, comprising:
a) receiving uplink radio resource allocation information for transmitting uplink data from a base station;
b) determining whether a channel quality information indicator is included in the allocation information, the channel quality information indicator representing a channel quality information report;
c) generating the CQI by measuring a radio channel for communicating with the base station, when the channel quality information indicator is included in the allocation information; and
d) including the CQI to the uplink data and transmitting the uplink data to the base station through a radio resource corresponding to the allocation information for the uplink data, without requesting resource allocation to transmit the CQI,
wherein the uplink data includes data to be transmitted, and a header having information for the data and the subscriber station, and wherein the uplink data is transmitted by adding a subheader including the CQI to the header of the uplink data.', 'a) receiving uplink radio resource allocation information for transmitting uplink data from a base station;', 'b) determining whether a channel quality information indicator is included in the allocation information, the channel quality information indicator representing a channel quality information report;', 'c) generating the CQI by measuring a radio channel for communicating with the base station, when the channel quality information indicator is included in the allocation information; and', 'd) including the CQI to the uplink data and transmitting the uplink data to the base station through a radio resource corresponding to the allocation information for the uplink data, without requesting resource allocation to transmit the CQI,', 'wherein the uplink data includes data to be transmitted, and a header having information for the data and the subscriber station, and wherein the uplink data is transmitted by adding a subheader including the CQI to the header of the uplink data.

2. The method for reporting the channel quality information by the subscriber station of claim 1, wherein the channel quality information indicator is a piggyback indicator.

3. The method for reporting the channel quality information by the subscriber station of claim 1, wherein the subheader including the channel quality information is added in advance to residual subheaders when a plurality of subheaders is added to the header of the uplink data.

4. The method for reporting the channel quality information by the subscriber station of claim 1, wherein the allocation information includes the channel quality information indicator, and radio channel quality is measured to generate the channel quality information when the CQI indicator is set to a predetermined value for a request of the CQI, in step (c).

5. A method for reporting channel quality information for representing channel quality by a subscriber station in a mobile communication system, comprising:
a) allocating an uplink radio resource to the subscriber station having data to be transmitted to an uplink;
b) adding a channel quality information indicator for requesting the channel quality information to uplink radio resource allocation information;
c) transmitting the uplink radio resource allocation information including the channel quality information indicator to the subscriber station to request channel quality information (CQI);
d) receiving uplink data from the subscriber station through the uplink radio resource set according to the uplink radio resource allocation information, wherein the uplink data includes data to be transmitted, a header having information for the data and the subscriber station, and a subheader including CQI;
e) extracting the channel quality information from the uplink data; and
f) allocating downlink radio resource to the subscriber station based on the CQI.', 'a) allocating an uplink radio resource to the subscriber station having data to be transmitted to an uplink;', 'b) adding a channel quality information indicator for requesting the channel quality information to uplink radio resource allocation information;', 'c) transmitting the uplink radio resource allocation information including the channel quality information indicator to the subscriber station to request channel quality information (CQI);', 'd) receiving uplink data from the subscriber station through the uplink radio resource set according to the uplink radio resource allocation information, wherein the uplink data includes data to be transmitted, a header having information for the data and the subscriber station, and a subheader including CQI;', 'e) extracting the channel quality information from the uplink data; and', 'f) allocating downlink radio resource to the subscriber station based on the CQI.

6. The method for the reporting channel quality information by the subscriber station of claim 5, wherein the channel quality information indicator is a piggyback indicator, and the channel quality information indicator is set to a predetermined value for a request of the channel quality information indicator in step (b).

7. A method for requesting and reporting channel quality information (CQI) in a mobile communication system wherein a base station and a subscriber station are coupled by a mobile network, comprising:
a) controlling the base station to add a channel quality information indicator for requesting a CQI report to an uplink radio resource for the subscriber station having data to be transmitted to the uplink, and transmitting uplink radio resource allocation information to the subscriber station;
b) controlling the subscriber station to measure radio channel quality according to the channel quality information indicator, and to generate the CQI; and
c) controlling the subscriber station to include the CQI to the uplink data and to transmit the uplink data to the base station through the radio resource according to the allocation information for the uplink data, without requesting resource allocation to transmit the channel quality information,
wherein the uplink data includes data to be transmitted, and a header having information for the data and the subscriber station, and wherein the uplink data is transmitted by adding a subheader including the CQI to the header of the uplink data.', 'a) controlling the base station to add a channel quality information indicator for requesting a CQI report to an uplink radio resource for the subscriber station having data to be transmitted to the uplink, and transmitting uplink radio resource allocation information to the subscriber station;', 'b) controlling the subscriber station to measure radio channel quality according to the channel quality information indicator, and to generate the CQI; and', 'c) controlling the subscriber station to include the CQI to the uplink data and to transmit the uplink data to the base station through the radio resource according to the allocation information for the uplink data, without requesting resource allocation to transmit the channel quality information,', 'wherein the uplink data includes data to be transmitted, and a header having information for the data and the subscriber station, and wherein the uplink data is transmitted by adding a subheader including the CQI to the header of the uplink data.

8. The method of claim 7, further comprising:
controlling the base station to allocate a downlink radio resource to the subscriber station based on the channel quality information included in the uplink data provided by the subscriber station.', 'controlling the base station to allocate a downlink radio resource to the subscriber station based on the channel quality information included in the uplink data provided by the subscriber station.

9. The method of claim 7, wherein the mobile communication system is a wireless portable internet system

10. A base station apparatus for requesting channel information in a mobile communication system, comprising:
a base station resource controller for including a channel quality information indicator for requesting a channel quality information (CQI) report from uplink radio resource allocation information;
a digital signal transmitter for performing adaptive modulation and coding on the uplink radio resource allocation information to generate digital signals;
an analog signal transmitter for converting the digital signals into analog signals and transmitting the analog signals to subscriber stations; and
allocator for receiving uplink data from the subscriber station through uplink radio resource set according to the uplink radio resource allocation information,
wherein the uplink data includes data to be transmitted, a header having information for the data and the subscriber station, and a subheader including CQI and for allocating a downlink radio resource to the subscriber station based on the CQI included in uplink data transmitted from the subscriber station according to the channel quality information indicator.', 'a base station resource controller for including a channel quality information indicator for requesting a channel quality information (CQI) report from uplink radio resource allocation information;', 'a digital signal transmitter for performing adaptive modulation and coding on the uplink radio resource allocation information to generate digital signals;', 'an analog signal transmitter for converting the digital signals into analog signals and transmitting the analog signals to subscriber stations; and', 'allocator for receiving uplink data from the subscriber station through uplink radio resource set according to the uplink radio resource allocation information,', 'wherein the uplink data includes data to be transmitted, a header having information for the data and the subscriber station, and a subheader including CQI and for allocating a downlink radio resource to the subscriber station based on the CQI included in uplink data transmitted from the subscriber station according to the channel quality information indicator.11. The base station of claim 10, wherein the base station resource controller includes:
an uplink resource allocator for allocating an uplink radio resource to a subscriber station to generate the uplink radio resource allocation information; and
a channel quality requestor for generating the channel quality information indicator to request channel information from the subscriber station,
wherein the uplink resource allocator transmits the uplink radio resource allocation information provided with the channel quality information indicator to the digital signal transmitter.', 'an uplink resource allocator for allocating an uplink radio resource to a subscriber station to generate the uplink radio resource allocation information; and', 'a channel quality requestor for generating the channel quality information indicator to request channel information from the subscriber station,', 'wherein the uplink resource allocator transmits the uplink radio resource allocation information provided with the channel quality information indicator to the digital signal transmitter.12. The base station of claim 11, further comprising a downlink resource allocator for allocating a downlink radio resource to the subscriber station based on the channel quality information included in uplink data transmitted from the subscriber station according to the channel quality information indicator.13. A subscriber station for reporting channel quality information (CQI) in a mobile communication system, comprising:
an allocated resource checker for receiving uplink radio resource allocation information from a base station, and checking a radio resource set for the subscriber station by analyzing the allocation information;
a channel quality reporter for generating the CQI by measuring channel quality so as to communicate with the base station when the uplink radio resource allocation information includes a channel quality information indicator for requesting channel quality information;
an uplink data generator for generating uplink data to be transmitted to the base station, and adding the CQI to the uplink data; and
a transmitter for transmitting the uplink data to the base station through a radio resource confirmed by the allocated resource checker, without requesting resource allocation to transmit the channel quality information,
wherein the uplink data includes data to be transmitted, and a header having information for the data and the subscriber station, and wherein the uplink data is transmitted by adding a subheader including the CQI to the header of the uplink data.', 'an allocated resource checker for receiving uplink radio resource allocation information from a base station, and checking a radio resource set for the subscriber station by analyzing the allocation information;', 'a channel quality reporter for generating the CQI by measuring channel quality so as to communicate with the base station when the uplink radio resource allocation information includes a channel quality information indicator for requesting channel quality information;', 'an uplink data generator for generating uplink data to be transmitted to the base station, and adding the CQI to the uplink data; and', 'a transmitter for transmitting the uplink data to the base station through a radio resource confirmed by the allocated resource checker, without requesting resource allocation to transmit the channel quality information,', 'wherein the uplink data includes data to be transmitted, and a header having information for the data and the subscriber station, and wherein the uplink data is transmitted by adding a subheader including the CQI to the header of the uplink data.14. The subscriber station of claim 13, wherein the uplink data includes data to be transmitted, and a header having information on the data and the subscriber station, and the uplink data generator adds a subheader including the channel quality information to the header of the uplink data.']

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