Abstract
The invention claims can reduce possibility of generating identification error of whether SRS sending or the SRS resource between base station and terminal which can prevent the deterioration of the system throughput of the communication device and a sounding reference signal (SRS) transmission method. in the terminal (200) receiving and processing unit (203) detects whether to request to send the control information detection reference signal (SRS) transmission signal forming unit (207) based on control of control information transmission control unit (206) to send A-SRS. sending control unit (206) based on the SRS transmission execution rule and the trigger information receiving state judging whether to perform SRS transmission. for example SRS transmission execution rule refers to the effective period according to the triggering information comprises sending the request was initially detected by the allocation control information to transmit the SRS.
Provided are a communication device and an SRS transmission method capable of reducing the possibility of a difference in recognition between the presence or absence of an SRS transmission between a base station and a terminal or of an SRS resource so as to prevent degradation of system throughput. At a terminal (200) a reception processing unit (203) detects control information indicating whether or not to request transmission of a sounding reference signal (SRS) whereupon a transmission signal forming unit (207) transmits an A-SRS by way of control by a transmission control unit (206) on the basis of control information. The transmission control unit (206) determines whether or not to execute SRS transmission on the basis of an SRS Transmission Execution Rule and the reception status of trigger information. For example an SRS Transmission Execution Rule can be to transmit an SRS according to assignment control information including trigger information indicating the first detected transmission request within a period of validity.
Provided are a communication device and an SRS transmission method capable of reducing the possibility of a difference in recognition between the presence or absence of an SRS transmission between a base station and a terminal or of an SRS resource so as to prevent degradation of system throughput. At a terminal (200) a reception processing unit (203) detects control information indicating whether or not to request transmission of a sounding reference signal (SRS) whereupon a transmission signal forming unit (207) transmits an A-SRS by way of control by a transmission control unit (206) on the basis of control information. The transmission control unit (206) determines whether or not to execute SRS transmission on the basis of an SRS Transmission Execution Rule and the reception status of trigger information. For example an SRS Transmission Execution Rule can be to transmit an SRS according to assignment control information including trigger information indicating the first detected transmission request within a period of validity.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 05/08/2013 | ISLD-201309-038 | PANASONIC CORP | No | Family Member | ||||
| 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
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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 Sounding reference signals(SRS) Transmission
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Transmitting/receiving of control channel/control information
Claim
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