Abstract
An apparatus for transmitting and receiving data in a wireless communication system. In a terminal of a wireless communication system the present invention includes receiving a physical downlink control channel (PDCCH) receiving a physical downlink shared channel (PDSCH) and demodulating the PDSCH by interpreting the PDCCH according to a type of a subframe including the PDCCH and the PDSCH.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 07/08/2011 | ISLD-201108-003 | LG | No | Family Member | ||||
| Not Available | 16/09/2012 | ISLD-201209-003 | LG | No | Family Member | ||||
| Not Available | 22/10/2012 | ISLD-201209-016 | LG | Yes | Family Member | ||||
| 4G | 12/10/2014 | ISLD-201409-037 | LG | Yes | Family Member | ||||
| 4G | 06/11/2016 | ISLD-201611-001 | LG | Yes | Family Member | ||||
| 5G | 20/10/2018 | ISLD-201810-045 | LG | Yes | Basis Patent | ||||
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 of receiving, by a terminal, data in a wireless communication system, comprising:
receiving a physical downlink control channel (PDCCH) in a subframe;
receiving a physical downlink shared channel (PDSCH) corresponding to the PDCCH in the subframe; and
demodulating the PDSCH according to a type of the subframe,
wherein the PDSCH is demodulated using a cell specific reference signal when the subframe is a first type subframe of which PDSCH region includes the cell specific reference signal, and
wherein the PDSCH is demodulated using a demodulation reference signal when the subframe is a second subframe of which PDSCH region includes no cell specific reference signal.', 'receiving a physical downlink control channel (PDCCH) in a subframe;', 'receiving a physical downlink shared channel (PDSCH) corresponding to the PDCCH in the subframe; and', 'demodulating the PDSCH according to a type of the subframe,', 'wherein the PDSCH is demodulated using a cell specific reference signal when the subframe is a first type subframe of which PDSCH region includes the cell specific reference signal, and', 'wherein the PDSCH is demodulated using a demodulation reference signal when the subframe is a second subframe of which PDSCH region includes no cell specific reference signal.
2. The method of claim 1, further comprising:
receiving information on a demodulation scheme for the second type subframe.', 'receiving information on a demodulation scheme for the second type subframe.
3. The method of claim 1, wherein the PDCCH carries downlink control information with format 1A which is used for compact scheduling of one PDSCH codeword, and the second type subframe is a multimedia broadcast multicast service single frequency network subframe.
4. A terminal for receiving data in a wireless communication system, comprising:
a receiving module configured to receive a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH) corresponding to the PDCCH in a subframe; and
a processor configured to demodulate the PDSCH according to a type of the subframe,
wherein the processor demodulates the PDSCH using a cell specific reference signal when the subframe is a first type subframe of which PDSCH region includes the cell specific reference signal, and
wherein the processor demodulates the PDSCH using a demodulation reference signal received in the subframe when the subframe is a second subframe of which includes no cell specific reference signal.', 'a receiving module configured to receive a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH) corresponding to the PDCCH in a subframe; and', 'a processor configured to demodulate the PDSCH according to a type of the subframe,', 'wherein the processor demodulates the PDSCH using a cell specific reference signal when the subframe is a first type subframe of which PDSCH region includes the cell specific reference signal, and', 'wherein the processor demodulates the PDSCH using a demodulation reference signal received in the subframe when the subframe is a second subframe of which includes no cell specific reference signal.
5. The terminal of claim 4, wherein the receiving module receives information on a demodulation scheme for the second type subframe.
6. The terminal of claim 4, wherein the PDCCH carries downlink control information with format 1A which is used for compact scheduling of one PDSCH codeword, and the second type subframe is a multimedia broadcast multicast service single frequency network subframe.
7. A method of transmitting, by a base station, data to a terminal in a wireless communication system, comprising:
transmitting a physical downlink control channel (PDCCH) in a subframe to the terminal; and
transmitting a physical downlink shared channel (PDSCH) corresponding to the PDCCH in the subframe to the terminal according to a type of the subframe,
wherein the PDSCH is transmitted through a single antenna or multiple antennas for transmit diversity, according to a number of cell specific reference signals, when the subframe is a first type subframe of which PDSCH region includes one or more cell specific reference signals, and
wherein the PDSCH is transmitted with a demodulation reference signal for the PDSCH through a single antenna when the subframe is a second type subframe of which PDSCH region includes no cell specific reference signal.', 'transmitting a physical downlink control channel (PDCCH) in a subframe to the terminal; and', 'transmitting a physical downlink shared channel (PDSCH) corresponding to the PDCCH in the subframe to the terminal according to a type of the subframe,', 'wherein the PDSCH is transmitted through a single antenna or multiple antennas for transmit diversity, according to a number of cell specific reference signals, when the subframe is a first type subframe of which PDSCH region includes one or more cell specific reference signals, and', 'wherein the PDSCH is transmitted with a demodulation reference signal for the PDSCH through a single antenna when the subframe is a second type subframe of which PDSCH region includes no cell specific reference signal.
8. The method of claim 7, further comprising:
transmitting information on a demodulation scheme for the second type subframe.', 'transmitting information on a demodulation scheme for the second type subframe.
9. The method of claim 7, wherein the PDCCH carries downlink control information with format 1A which is used for compact scheduling of one PDSCH codeword, and the second type subframe is a multimedia broadcast multicast service single frequency network subframe
10. A base station for transmitting data to a terminal in a wireless communication system, comprising:
a transmitting module; and
a processor configured to control the transmitting module,
wherein the transmitting module transmits a physical downlink control channel (PDCCH) in a subframe to the terminal; and transmits a physical downlink shared channel (PDSCH) corresponding to the PDCCH in the subframe to the terminal according to a type of the subframe,
wherein the processor controls the transmitting module to transmit the PDSCH through a single antenna or multiple antennas for transmit diversity, according to a number of cell specific reference signals, when the subframe is a first type subframe of which PDSCH region includes one or more cell specific reference signals, and
wherein the processor controls the transmitting module to transmit the PDSCH with a demodulation reference signal for the PDSCH through a single antenna when the subframe is a second type subframe of which PDSCH region includes no cell specific reference signal.', 'a transmitting module; and', 'a processor configured to control the transmitting module,', 'wherein the transmitting module transmits a physical downlink control channel (PDCCH) in a subframe to the terminal; and transmits a physical downlink shared channel (PDSCH) corresponding to the PDCCH in the subframe to the terminal according to a type of the subframe,', 'wherein the processor controls the transmitting module to transmit the PDSCH through a single antenna or multiple antennas for transmit diversity, according to a number of cell specific reference signals, when the subframe is a first type subframe of which PDSCH region includes one or more cell specific reference signals, and', 'wherein the processor controls the transmitting module to transmit the PDSCH with a demodulation reference signal for the PDSCH through a single antenna when the subframe is a second type subframe of which PDSCH region includes no cell specific reference signal
11. The base station of claim 10, wherein the processor controls the transmitting module to further transmit, to the terminal, information on a demodulation scheme for the second type subframe
12. The base station of claim 10, wherein the PDCCH carries downlink control information with format 1A which is used for compact scheduling of one PDSCH codeword, and the second type subframe is a multimedia broadcast multicast service single frequency network subframe.']
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.