Method and apparatus for transmitting and receiving time division duplex frame configuration information in wireless communication system
First Claim
1. A method of transmitting time division duplex (TDD) configuration information for a base station in a wireless communication system, the method comprising:
- identifying a radio network temporary identifier (RNTI) for the TDD configuration information;
generating downlink control information (DCI) comprising the TDD configuration information, the TDD configuration information indicating a radio frame structure including a downlink subframe, an uplink subframe, and a special subframe;
attaching a cyclic redundancy check (CRC) sequence scrambled with the RNTI to the DCI; and
transmitting a control signal generated based on the DCI on a common control channel.
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Accused Products
Abstract
A method and an apparatus for transmitting and receiving Time Division Duplex (TDD) frame configuration information are disclosed. The base station transmits TDD frame configuration information as system information to a user equipment through a common control channel so as to dynamically change the TDD frame configuration according to uplink and downlink traffic conditions. The base station may deliver the same system information to all user equipments in the cell, removing ambiguity in User Equipment (UE) operations and avoiding interference. In comparison to an existing method of delivering TDD frame configuration information through system information update, the disclosed method enables user equipments to rapidly cope with traffic changes. In addition, user equipments may receive and apply TDD frame configuration information at the same time.
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Citations
26 Claims
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1. A method of transmitting time division duplex (TDD) configuration information for a base station in a wireless communication system, the method comprising:
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identifying a radio network temporary identifier (RNTI) for the TDD configuration information; generating downlink control information (DCI) comprising the TDD configuration information, the TDD configuration information indicating a radio frame structure including a downlink subframe, an uplink subframe, and a special subframe; attaching a cyclic redundancy check (CRC) sequence scrambled with the RNTI to the DCI; and transmitting a control signal generated based on the DCI on a common control channel. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of receiving time division duplex (TDD) configuration information for a user equipment in a wireless communication system, the method comprising:
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identifying a radio network temporary identifier (RNTI) for the TDD configuration information; receiving a message including downlink control information (DCI) and a cyclic redundancy check (CRC) sequence scrambled with the RNTI, the DCI comprising the TDD configuration information, the TDD configuration information indicating a radio frame structure including a downlink subframe, an uplink subframe, and a special subframe on a common control channel; identifying the TDD configuration information; and transmitting a data or receiving a data according to the TDD configuration information. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A base station for transmitting time division duplex (TDD) configuration information in a wireless communication system, the base station comprising:
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a radio frequency unit configured to transmit or receive a signal; and a controller configured to; identify a radio network temporary identifier (RNTI) for the TDD configuration information, generate downlink control information (DCI) comprising the TDD configuration information, the TDD configuration information indicating a radio frame structure including a downlink subframe, an uplink subframe, and a special subframe, attach a cyclic redundancy check (CRC) sequence scrambled with the RNTI to the DCI, and transmit a control signal generated based on the DCI. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A user equipment for transmitting time division duplex (TDD) configuration information in a wireless communication system, the user equipment comprising:
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a radio frequency unit configured to transmit or receive a signal; and a controller configured to; identify a radio network temporary identifier (RNTI) for the TDD configuration information, receive a message including downlink control information (DCI) and a cyclic redundancy check (CRC) sequence scrambled with the RNTI, the DCI comprising the TDD configuration information, the TDD configuration information indicating a radio frame structure including a downlink subframe, an uplink subframe, and a special subframe on a common control channel, identify the TDD configuration information, and transmit or receive data according to the TDD configuration information. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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Specification