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US 11,381,435 B2Granted
Configuration for data and reference signal transmissions with shortened transmission time intervals
AssigneeQUALCOMM Incorporated
InventorsSeyedkianoush Hosseini, Wanshi Chen, Jing Sun, Peter Gaal, Shimman Arvind Patel
Life of this patent
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Abstract
Techniques provide for identifying uplink resources that are to be used for uplink transmissions using shortened transmission time intervals (sTTIs), such as low latency or high reliability transmissions. A reference signal (RS) configuration for a three-symbol sTTI, including locations of one or more RS symbols and one or more data symbols within the sTTI may be identified. The RS configuration, along with the allocation of uplink resources, may be provided to a user equipment (UE) which may transmit uplink communications using the allocated uplink resources.
Claims29
A method for wireless communication, comprising:
- allocating uplink resources for an uplink control channel transmission in a first transmission time interval (TTI) comprising three symbols within a slot of a subframe;
- identifying a reference signal (RS) configuration for the first TTI by identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- transmitting an uplink grant for the uplink control channel transmission to a user equipment (UE), the uplink grant including an indication of the RS configuration and at least one of the allocated uplink resources for the first TTI.
1 more element
A method for wireless communication, comprising:
- receiving an allocation of uplink resources from a base station for a first transmission time interval (TTI), the first TTI comprising three symbols within a slot of a radio subframe;
- receiving an indication of a reference signal (RS) and data configuration for the first TTI, the RS and data configuration identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- transmitting data to the base station using the allocated uplink resources based at least in part on the RS and data configuration.
1 more element
An apparatus for wireless communication, comprising:
- hardware configured to allocate uplink resources for an uplink control channel transmission in a first transmission time interval (TTI) comprising three symbols within a slot of a subframe;
- hardware configured to identify a reference signal (RS) configuration for the first TTI by identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- means for transmitting an uplink grant for the uplink control channel transmission to a UE, the uplink grant including an indication of the RS configuration and at least one of the allocated uplink resources for the first TTI.
1 more element
An apparatus for wireless communication, comprising:
- means for receiving an allocation of uplink resources from a base station for a first transmission time interval (TTI), the first TTI comprising three symbols within a slot of a radio subframe;
- means for receiving an indication of a reference signal (RS) and data configuration for the first TTI, the RS and data configuration identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- means for transmitting data to the base station using the allocated uplink resources based at least in part on the RS and data configuration.
1 more element
An apparatus for wireless communication, in a system comprising:
- a processor;
- memory in electronic communication with the processor;
- and
- instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
- allocate uplink resources for an uplink control channel transmission in a first transmission time interval (TTI) comprising three symbols within a slot of a subframe;
- identify a reference signal (RS) configuration for the first TTI by identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- transmit an uplink grant for the uplink control channel transmission to a UE, the uplink grant including an indication of the RS configuration and at least one of the allocated uplink resources for the first TTI.
5 more elements
An apparatus for wireless communication, in a system comprising:
- a processor;
- memory in electronic communication with the processor;
- and
- instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
- receive an allocation of uplink resources from a base station for a first transmission time interval (TTI), the first TTI comprising three symbols within a slot of a radio subframe;
- receive an indication of a reference signal (RS) and data configuration for the first TTI, the RS and data configuration identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- transmit data to the base station using the allocated uplink resources based at least in part on the RS and data configuration.
5 more elements
A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:
- allocate uplink resources for an uplink control channel transmission in a first transmission time interval (TTI) comprising three symbols within a slot of a subframe;
- identify a reference signal (RS) configuration for the first TTI by identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- transmit an uplink grant for the uplink control channel transmission to a UE, the uplink grant including an indication of the RS configuration and at least one of the allocated uplink resources for the first TTI.
1 more element
A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:
- receive an allocation of uplink resources from a base station for a first transmission time interval (TTI), the first TTI comprising three symbols within a slot of a radio subframe;
- receive an indication of a reference signal (RS) and data configuration for the first TTI, the RS and data configuration identifying at least a first data symbol and a second data symbol, the second data symbol being configured to carry second data that is redundant of first data carried by the first data symbol;
- and
- transmit data to the base station using the allocated uplink resources based at least in part on the RS and data configuration.
1 more element
Dependencies are inferred from the claim text.