METHOD AND APPARATUS FOR CONFIGURING CONTROL CHANNEL RESOURCES IN COMMUNICATION SYSTEM
First Claim
1. A method implemented using a base station to transmit a control channel in a wireless communication system, the method comprising:
- configuring a Physical Resource Block (PRB) with one or more Distributed enhanced Resource Element Groups (DeREGs) comprising a same size as two mapped Demodulated Reference Signal (DMRS) ports in a distributed transmission mode;
configuring the PRB with one or more Localized enhanced Control Channel Elements (LeCCEs) arranged by collecting resources using the same DMRS ports in the localized transmission mode; and
transmitting the control channel to a terminal through the PRB.
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Accused Products
Abstract
A method and an apparatus for configuring a control channel in a communication system, according to the present invention, allocate resources of different sizes according to a distributed transmission mode and a localized transmission mode and apply different antenna transmission techniques, to a control channel on the basis of frequency division. In addition, the present invention relates to a method by which a terminal estimates a channel irrespective of the transmission mode. According to the present invention, a control channel transmitted to different terminals from a base station can be efficiently multiplexed and the control channel be received faster by reducing the complexity of the terminal.
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Citations
23 Claims
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1. A method implemented using a base station to transmit a control channel in a wireless communication system, the method comprising:
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configuring a Physical Resource Block (PRB) with one or more Distributed enhanced Resource Element Groups (DeREGs) comprising a same size as two mapped Demodulated Reference Signal (DMRS) ports in a distributed transmission mode; configuring the PRB with one or more Localized enhanced Control Channel Elements (LeCCEs) arranged by collecting resources using the same DMRS ports in the localized transmission mode; and transmitting the control channel to a terminal through the PRB. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method implemented using a terminal to receiving a control channel in a wireless communication system, the method comprising:
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estimating a channel per Demodulated Reference Signal (DMRS) port of the terminal; receiving a Physical Resource Block (PRB) configured with one or more Distributed enhanced Resource Element Groups (DeREGs) comprising a same size through two DMRS ports in a distributed transmission mode; and receiving, in a localized transmission mode, resources comprising arranged one or more Localized enhanced Control Channel Elements (LeCCEs) through DMRS ports as the distributed transmission mode. - View Dependent Claims (10, 11, 12, 13)
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14. A base station to transmit a control channel in a wireless communication system, wherein the base station comprises a controller configured to:
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control a transceiver to transmit and receive signals to and from a terminal, configure a Physical Resource Block (PRB) with one or more Distributed enhanced Resource Element Groups (DeREGs) comprising a same size as two mapped Demodulated Reference Signal (DMRS) ports in a distributed transmission mode, configure the PRB with one or more Localized enhanced Control Channel Elements (LeCCEs) arranged by collecting resources using the same DMRS ports in the localized transmission mode, and transmit the control channel to the terminal through the PRB. - View Dependent Claims (15, 16, 17, 18)
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19. A terminal to receive a control channel in a wireless communication system, the terminal comprising:
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a channel estimator configured to estimate a channel per Demodulated Reference Signal (DMRS) port; and a controller configured to; control a reception of a Physical Resource Block (PRB) configured with one or more Distributed enhanced Resource Element Groups (DeREGs) comprising a same size through two DMRS ports in a distributed transmission mode, control a reception of, in a localized transmission mode, resources comprising arranged one or more Localized enhanced Control Channel Elements (LeCCEs) through DMRS ports as the distributed transmission mode, and control a transceiver to transmit and receive signals to and from a base station. - View Dependent Claims (20, 21, 22, 23)
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Specification