Abstract
The invention provides a method a device and a communication system for processing a common search area. The method includes: acquiring resource indication information about a first common search area of a control channel or resource indication information about a first common search area and resource indication information about at least one second common search area; and determining according to the resource indication information about the first common search area or the resource indication information about the first common search area and the resource indication information about at least one second common search area a location of the first common search area or locations of the first common search area and at least one second common search area.
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5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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Specification Information
Specification Information
Technologies
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WO2014047906A1 | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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WO2014047906A1 | 5G,4G,3G | 25/12/2017 | ISLD-201711-019 | HUAWEI | Yes | Basis Patent | ||||
CN103843431A | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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EP2903369A4 | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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US2015208200A1 | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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US2015208200A1 | 5G,4G,3G | 25/12/2017 | ISLD-201711-019 | HUAWEI | No | Family Member | ||||
US2018103345A1 | 5G | 25/12/2017 | ISLD-201711-019 | HUAWEI |
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US2018103345A1 | 5G,4G,3G | 25/12/2017 | ISLD-201711-019 | HUAWEI | No | Family Member | ||||
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Claim
1. A method for processing a common search area, comprising:
acquiring, by a user equipment (UE), resource indication information about a first common search area of a control channel and resource indication information about at least one second common search area of the control channel;
determining, by the UE, according to the resource indication information about the first common search area and the resource indication information about the at least one second common search area, a location of the first common search area and a location of the at least one second common search area;
wherein certain kinds of control signaling are carried on the first common search area for transmission, and other kinds of the control signaling are carried on the at least one second common search area for transmission, wherein at least one of the certain kinds of the control signaling carried on the first common search area is not carried on the at least one second common search area;
wherein the resource indication information about the first common search area comprises: a resource indication value, a NRB step and an interval currently used by a base station;
wherein the resource indication value is a resource indication value notified through broadcast information or higher layer signaling or physical layer signaling;
wherein the NRB step is a NRB step notified through broadcast information or higher layer signaling or physical layer signaling; or, a NRB step determined according to a cell identifier; or, a predefined fixed value; and
wherein the interval currently used by the base station is an interval which is currently used by the base station and notified through broadcast information or higher layer signaling or physical layer signaling; or, an interval which is currently used by the base station and determined according to the cell identifier; or, a predefined interval.
2. A user equipment (UE), comprising a processor and a memory having processor-executable instructions stored therein, wherein when executing the processor-executable instructions, the processor is configured to:
acquire resource indication information about a first common search area of a control channel and resource indication information about at least one second common search area of the control channel; and
determine, according to the resource indication information about the first common search area and the resource indication information about the at least one second common search area, a location of the first common search area and a location of the at least one second common search area;
wherein certain kinds of control signaling are carried on the first common search area for transmission, and other kinds of the control signaling are carried on the at least one second common search area for transmission, wherein at least one of the certain kinds of the control signaling carried on the first common search area is not carried on the at least one second common search area;
wherein the resource indication information about the first common search area acquired by the processor comprises: a resource indication value, a NRB step and an interval currently used by a base station;
wherein the resource indication value is a resource indication value notified through broadcast information or higher layer signaling or physical layer signaling;
wherein the NRB step is a NRB step notified through broadcast information or higher layer signaling or physical layer signaling; or, a NRB step determined according to a cell identifier; or, a predefined fixed value; and
wherein the interval currently used by the base station is an interval which is currently used by the base station and notified through broadcast information or higher layer signaling or physical layer signaling; or, an interval which is currently used by the base station and determined according to the cell identifier; or, a predefined interval.
3. A base station, wherein the base station comprises a processor, a transmitter and a memory having processor-executable instructions stored therein, wherein when executing the processor-executable instructions,
the processor is configured to determine a location of a first common search area of a control channel and a location of at least one second common search area of the control channel; and
the transmitter is configured to send to a user equipment (UE) resource indication information corresponding to the location of the first common search area and resource indication information corresponding to the location of the at least one second common search area;
wherein certain kinds of control signaling are carried on the first common search area for transmission, and other kinds of the control signaling are carried on the at least one second common search area for transmission, wherein at least one of the certain kinds of the control signaling carried on the first common search area is not carried on the at least one second common search area,
wherein the resource indication information corresponding to the location of the first common search area comprises a resource indication value, a NRB step and a currently used interval which correspond to the location of the first common search area.
4. A method for processing a common search area, comprising:
acquiring, by a user equipment (UE), resource indication information about a first common search area of a control channel and resource indication information about at least one second common search area of the control channel; and
determining, by the UE, according to the resource indication information about the first common search area and the resource indication information about the at least one second common search area, a location of the first common search area and a location of the at least one second common search area;
wherein certain kinds of control signaling are carried on the first common search area for transmission, and other kinds of the control signaling are carried on the at least one second common search area for transmission, wherein at least one of the certain kinds of the control signaling carried on the first common search area is not carried on the at least one second common search area;
wherein the resource indication information about the first common search area comprises: bandwidth resource information, a number of a physical resource block (PRB) occupied by the first common search area and an initial location of the first common search area;
wherein the bandwidth resource information is a bandwidth of a carrier; or, a predefined fixed value; or, bandwidth resource information notified through broadcast information or higher layer signaling or physical layer signaling;
wherein the number of the PRB occupied by the first common search area is a number of the PRB occupied by a common search area, wherein the number of the PRB occupied by the common search area is notified through broadcast information or higher layer signaling or physical layer signaling; or, a predefined parameter;
wherein the initial location of the first common search area is a predefined location; or, an initial location of a common search area determined by a cell identifier; or, an initial location of a common search area notified through broadcast information or higher layer signaling or physical layer signaling; and
wherein the first common search area is distributed on the bandwidth resource information with an equal interval, a number of a physical resource block (PRB) in the interval is
N
=
?
N
RB
BW
M
-
1
?
,
wherein the NRB step is the bandwidth resource information which is denoted with the number of the PRB, and the M is the number of the PRB occupied by the first common search area.
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