Abstract
A resource allocation method, a Channel State Information (CSI) transmission method, a Base Station (BS) and a User Equipment (UE) are disclosed. The resource allocation method includes that the BS determines that the UE needs to report the aperiodic CSI of the related downlink Component Carriers (CCs); and the BS allocates corresponding resources for the UE based on the number of the related downlink CCs. The BS allocates the corresponding amount of resources for the UE based on the number of the downlink CCs, therefore the resources are allocated flexibly, and the uplink CSI transmission of multiple carriers is supported.
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Specification Information
Specification Information
Technologies
Family Information
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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
Product
Use Cases
Wireless communication
Services
Claim
1. A method for resource allocation, comprising:determining, by a base station, that a user equipment should report aperiodic channel status information of relevant downlink component carriers; and allocating, by the base station, corresponding resources to the user equipment according to the number of the relevant downlink component carriers;wherein the maximum number of the resources allocated by the base station to the user equipment is a predefined first number if the base station determines that the user equipment should report the aperiodic channel status information of one downlink component carrier; and the maximum number of the resources allocated by the base station to the user equipment is a predefined second number if the base station determines that the user equipment should report the aperiodic channel status information of more than one downlink component carriers;the second number is greater than the first number and the first number and the second number are determined according to a Channel Coding Rate (CCR).
2. The method according to claim 1, wherein the first number is 4; and the second number is 5 or 6.
3. A base station, comprising:a first determining unit for determining that a user equipment should report aperiodic channel status information of relevant downlink component carriers; and a resource allocating unit for allocating corresponding resources to the user equipment according to the number of the relevant downlink component carriers;wherein the resource allocating unit comprises: a first resource allocating unit for allocating maximum resources of a predefined first number to the user equipment if the first determining unit determines that the user equipment should report the aperiodic channel status information of one downlink component carrier; and a second resource allocating unit for allocating maximum resources of a predefined second number to the user equipment if the first determining unit determines that the user equipment should report the aperiodic channel status information of more than one downlink component carriers;wherein the second number is greater than the first number and the first number and the second number are determined according to a Channel Coding Rate (CCR).
4. A transmission method for channel status information, comprising:generating by a base station downlink control information, the downlink control information comprising triggering information which indicates a user equipment whether to report aperiodic channel status information of relevant downlink component carriers and indicates the index and number of the relevant downlink component carriers when reporting the aperiodic channel status information of the relevant downlink component carriers, the index of coding and modulation scheme, and used resources; wherein the used resources are resources allocated to the user equipment by the base station according to the number of the relevant downlink component carriers of channel status information report;wherein the maximum number of the resources allocated by the base station to the user equipment is a predefined first number if the base station determines that the user equipment should report the aperiodic channel status information of one downlink component carrier; and the maximum number of the resources allocated by the base station to the user equipment is a predefined second number if the base station determines that the user equipment should report the aperiodic channel status information of more than one downlink component carriers; the second number is greater than the first number and the first number and the second number are determined according to a Channel Coding Rate (CCR); and transmitting the downlink control information to the user equipment by the base station, so that the user equipment transmits the aperiodic channel status information according to the triggering information, the index of coding and modulation scheme and the used resources.
5. The method according to claim 4, wherein the first number is 4; and the second number is 5 or 6.
6. The method according to claim 4, wherein the method further comprises:configuring, by the base station, the user equipment with a plurality groups of relevant downlink component carrier sets;storing correspondingly the triggering information and the plurality groups of relevant downlink component carrier sets; and selecting, by the base station, corresponding triggering information according to the index and the number of the relevant downlink component carriers when generating the downlink control information.
7. A transmission method for channel status information, comprising:receiving, by user equipment, downlink control information transmitted by a base station, the downlink control information comprising triggering information which indicates the user equipment whether to report aperiodic channel status information of relevant downlink component carriers and indicates the index and number of the relevant downlink component carriers when reporting the aperiodic channel status information of the relevant downlink component carriers, the index of coding and modulation scheme, and used resources;wherein the used resources are resources allocated to the user equipment by the base station according to the number of the relevant downlink component carriers; wherein the maximum number of the resources allocated by the base station to the user equipment is a predefined first number if the base station determines that the user equipment should report the aperiodic channel status information of one downlink component carrier; and the maximum number of the resources allocated by the base station to the user equipment is a predefined second number if the base station determines that the user equipment should report the aperiodic channel status information of more than one downlink component carriers; the second number is greater than the first number and the first number and the second number are determined according to a Channel Coding Rate (CCR); and transmitting by the user equipment the aperiodic channel status information according to the triggering information, the index of coding and modulation scheme and the used resources contained in the downlink control information.
8. The method according to claim 7, wherein the step of transmitting by the user equipment the aperiodic channel status information according to the triggering information, the index of coding and modulation scheme, and the used resources contained in the downlink control information comprises:judging, by the user equipment, whether it is necessary to report aperiodic channel status information of relevant downlink component carriers based on the triggering information;determining, by the user equipment, the index and the number of the relevant downlink component carriers, according to the triggering information and prestored corresponding relationship between the triggering information and the downlink component carrier sets, if the result of judgement is that the aperiodic channel status information is needed to be reported;judging, according to the determined number of the relevant downlink component carriers and the corresponding index of coding and modulation scheme and used resources, whether to transmit uplink data when the aperiodic channel status information is transmitted;transmitting, by the user equipment, the aperiodic channel status information on the used resources which are allocated to the user equipment by the base station, if the result of judgement is not to transmit the uplink data when the aperiodic channel status information is transmitted; and transmitting, by the user equipment, the aperiodic channel status information and uplink data on the resources which are allocated to the user equipment by the base station, if the result of judgement is to transmit the uplink data also when the aperiodic channel status information is transmitted.
9. The method according to claim 8, wherein the step of judging according to the determined number of the relevant downlink component carriers and the corresponding index of coding and modulation scheme and used resources whether to transmit uplink data when the aperiodic channel status information is transmitted comprises:judging whether the number of the relevant downlink component carriers is one or more than one;judging further by the user equipment whether the index of coding and modulation scheme contained in the downlink control information is a predefined index and whether the number of the used resources is less than or equal to a predefined first number, if the result of judgement is that the number of the relevant downlink component carriers is one; determining not to transmit the uplink data when the aperiodic channel status information is transmitted if the result of judgement is positive; and determining to transmit the uplink data also when the aperiodic channel status information is transmitted if the result of judgement is negative.', '10. The method according to claim 9, wherein if the result of judgement is that the number of the relevant downlink component carriers is more than one, the method further comprises:judging further by the user equipment whether the index of coding and modulation scheme contained in the downlink control information is a predefined index and whether the number of the used resources is less than or equal to a predefined second number;determining not to transmit the uplink data when the aperiodic channel status information is transmitted if the result of judgement is positive; and determining to transmit the uplink data also when the aperiodic channel status information is transmitted if the result of judgement is negative.', '11. A base station, comprising:an information generating unit for generating downlink control information, the downlink control information comprising triggering information which indicates user equipment whether to report aperiodic channel status information of relevant downlink component carriers and indicates the index and number of the relevant downlink component carriers when reporting the aperiodic channel status information of the relevant downlink component carriers, an index of coding and modulation scheme, and used resources; wherein the used resources are resources allocated to the user equipment by the base station according to the number of the relevant downlink component carriers; wherein the maximum number of the resources allocated by the base station to the user equipment is a predefined first number if the base station determines that the user equipment should report the aperiodic channel status information of one downlink component carrier; and the maximum number of the resources allocated by the base station to the user equipment is a predefined second number if the base station determines that the user equipment should report the aperiodic channel status information of more than one downlink component carriers; the second number is greater than the first number and the first number and the second number are determined according to a Channel Coding Rate (CCR); and a first information transmitting unit for transmitting the downlink control information to the user equipment, so that the user equipment transmits the aperiodic channel status information according to the triggering information, the index of coding and modulation scheme, and the used resources contained in the downlink control information.', '12. A user equipment, comprising:an information receiving unit for receiving downlink control information transmitted by a base station, the downlink control information comprising triggering information which indicates the user equipment whether to report aperiodic channel status information of relevant downlink component carriers and indicates the index and number of the relevant downlink component carriers when reporting the aperiodic channel status information of the relevant downlink component carriers, an index of coding and modulation scheme, and used resources; wherein the used resources are resources allocated to the user equipment by the base station according to the number of the relevant downlink component carriers; wherein the maximum number of the resources allocated by the base station to the user equipment is a predefined first number if the base station determines that the user equipment should report the aperiodic channel status information of one downlink component carrier; and the maximum number of the resources allocated by the base station to the user equipment is a predefined second number if the base station determines that the user equipment should report the aperiodic channel status information of more than one downlink component carriers; the second number is greater than the first number and the first number and the second number are determined according to a Channel Coding Rate (CCR); and a second information transmitting unit for transmitting the aperiodic channel status information according to the triggering information, the index of coding and modulation scheme and the used resources contained in the downlink control information.', '13. A storage medium in which a computer-readable program is stored, wherein the computer-readable program enables the computer to carry out the method for allocating resources as claimed in any one of claims 1-2 in a base station.', '14. A storage medium in which a computer-readable program is stored, wherein the computer-readable program enables the computer to carry out the transmission method for channel status information as claimed in any one of claims 4-6 in a base station.', '15. A storage medium in which a computer-readable program is stored, wherein the computer-readable program enables the computer to carry out the transmission method for channel status information as claimed in any one of claims 7-10 in user equipment.']
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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.