Resources of a configured periodic grant of a wireless device
A wireless device receives parameters of a configured periodic grant. The parameters indicate: a timing offset and a symbol number; a first periodicity indicating a time interval between two subsequent resources; and demodulation reference signal parameters. One or more symbols of a resource of the configured periodic grant are determining based on the timing offset, the symbol number, and the first periodicity. One or more transport blocks are transmitted, via the resource of the configured periodic grant, employing the demodulation reference signal parameters.
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a first message comprising:
a timing offset and information on a start symbol for identifying a resource of a configured periodic grant of a first type,
a first periodicity of the configured periodic grant of the first type, and
a demodulation reference signal parameter of the configured periodic grant of the first type;
identifying one or more symbols associated with the resource of the configured periodic grant of the first type based on the timing offset, the information on the start symbol, and the first periodicity; and
transmitting, to the base station via the one or more symbols associated with the resource of the configured periodic grant of the first type, one or more transport blocks based on the demodulation reference signal parameters.
2. The method of claim 1 , further comprising:
activating the configured periodic grant of the first type based on the received first message.
3. The method of claim 1 ,
wherein the configured periodic grant of the first type is used for resource allocation starting from a first symbol allocated based on the timing offset and the information on the start symbol, and
wherein the resource allocation reoccurs with the first periodicity.
4. The method of claim 1 , further comprising:
receiving, from the base station, a second message indicating a release of the configured periodic grant of the first type; and
releasing the configured periodic grant of the first type based on the received second message.
5. The method of claim 1 , further comprising:
receiving from the base station, a third message comprising a second periodicity of a configured periodic grant of a second type;
receiving, from the base station, downlink control information for a uplink grant;
activating, based on the received downlink control information, the configured periodic grant of the second type which is used for another resource allocation starting from a second symbol allocated based on the downlink control information, wherein the other resource allocation reoccurring with the second periodicity;
identifying one or more symbols associated with a resource of the configured periodic grant of the second type based on the downlink control information and the second periodicity; and
transmitting, to the base station via the one or more symbols associated with the resource of the configured periodic grant of the second type, one or more other transport blocks.
6. A terminal in a wireless communication system, comprising:
a transceiver; and
a controller configured to:
receive, from a base station via the transceiver, a first message comprising:
a timing offset and information on a start symbol for identifying a resource of a configured periodic grant of a first type,
a first periodicity of the configured periodic grant of the first type, and
a demodulation reference signal parameter of the configured periodic grant of the first type,
identify one or more symbols associated with the resource of the configured periodic grant of the first type based on the timing offset, the information on the start symbol, and the first periodicity, and
transmit, to the base station via the one or more symbols associated with the resource of the configured periodic grant of the first type, one or more transport blocks based on the demodulation reference signal parameters via the transceiver.
7. The terminal of claim 6 , wherein the controller is further configured to:
activate the configured periodic grant of the first type based on the received first message.
8. The terminal of claim 6 ,
wherein the configured periodic grant of the first type is used for resource allocation starting from a first symbol allocated based on the timing offset and the information on the start symbol, and
wherein the resource allocation reoccurs with the first periodicity.
9. The terminal of claim 6 , wherein the controller is further configured to:
receive, from the base station via the transceiver, a second message indicating a release of the configured periodic grant of the first type; and
release the configured periodic grant of the first type based on the received second message.
10. The terminal of claim 6 , wherein the controller is further configured to:
receive, from the base station via the transceiver, a third message comprising a second periodicity of a configured periodic grant of a second type;
receive, from the base station via the transceiver, downlink control information for a uplink grant;
activate, based on the received downlink control information, the configured periodic grant of the second type which is used for another resource allocation starting from a second symbol allocated based on the downlink control information, wherein the other resource allocation reoccurring with the second periodicity;
identify one or more symbols associated with a resource of the configured periodic grant of the second type based on the downlink control information and the second periodicity; and
transmit, to the base station via the one or more symbols associated with the resource of the configured periodic grant of the second type, one or more other transport blocks via the transceiver.
11. A method performed by a base station in a wireless communication system, the method comprising:
transmitting, to a terminal, a first message comprising:
a timing offset and information on a start symbol for identifying a resource of a configured periodic grant of a first type,
a first periodicity of the configured periodic grant of the first type, and
a demodulation reference signal parameter of the configured periodic grant of the first type;
identifying one or more symbols associated with the resource of the configured periodic grant of the first type based on the timing offset, the information on the start symbol, and the first periodicity; and
receiving, from the terminal via the one or more symbols associated with the resource of the configured periodic grant of the first type, one or more transport blocks based on the demodulation reference signal parameter.
12. The method of claim 11 , further comprising:
activating the configured periodic grant of the first type based on the transmitted first message.
13. The method of claim 11 ,
wherein the configured periodic grant of the first type is used for resource allocation starting from a first symbol allocated based on the timing offset and the information on the start symbol, and
wherein the resource allocation reoccurs with the first periodicity.
14. The method of claim 11 , further comprising:
transmitting, to the terminal, a second message indicating a release of the configured periodic grant of the first type.
15. The method of claim 11 , further comprising:
transmitting, to the terminal, a third message comprising a second periodicity of a configured periodic grant of a second type;
transmitting, to the terminal, downlink control information for a uplink grant;
activating, based on the transmitted downlink control information, the configured periodic grant of the second type which is used for another resource allocation starting from a second symbol allocated based on the downlink control information, wherein the other resource allocation reoccurring with the second periodicity;
identifying one or more symbols associated with a resource of the configured periodic grant of the second type based on the downlink control information and the second periodicity; and
receiving, from the terminal via the one or more symbols associated with the resource of the configured periodic grant of the second type, one or more other transport blocks.
16. A base station in a wireless communication system, comprising:
a transceiver; and
a controller configured to:
transmit, to a terminal via the transceiver, a first message comprising:
a timing offset and information on a start symbol for identifying a resource of a configured periodic grant of a first type,
a first periodicity of the configured periodic grant of the first type, and
a demodulation reference signal parameter of the configured periodic grant of the first type;
identify one or more symbols associated with the resource of the configured periodic grant of the first type based on the timing offset, the information on the start symbol, and the first periodicity; and
receive, from the terminal via the one or more symbols associated with the resource of the configured periodic grant of the first type, one or more transport blocks based on the demodulation reference signal parameter via the transceiver.
17. The base station of claim 16 , wherein the controller is further configured to:
activate the configured periodic grant of the first type based on the transmitted first message.
18. The base station of claim 16 ,
wherein the configured periodic grant of the first type is used for resource allocation starting from a first symbol allocated based on the timing offset and the information on the start symbol, and
wherein the resource allocation reoccurs with the first periodicity.
19. The base station of claim 16 , wherein the controller is further configured to:
transmit, to the terminal via the transceiver, a second message indicating a release of the configured periodic grant of the first type.
20. The base station of claim 16 , wherein the controller is further configured to:
transmit, to the terminal via the transceiver, a third message comprising a second periodicity of a configured periodic grant of a second type;
transmit, to the terminal via the transceiver, downlink control information for a uplink grant;
activate, based on the transmitted downlink control information, the configured periodic grant of the second type which is used for another resource allocation starting from a second symbol allocated based on the downlink control information, wherein the other resource allocation reoccurring with the second periodicity;
identify one or more symbols associated with a resource of the configured periodic grant of the second type based on the downlink control information and the second periodicity; and
receive, from the terminal via the transceiver, one or more other transport blocks via the one or more symbols associated with the resource of the configured periodic grant of the second type.