Kari Juhani Hooli, Oulu (FI)
Ajit Kahaduwe, Marietta, GA (US)
Timo Erkki Lunttila, Espoo (FI)
Karri Markus Ranta-Aho, Atlanta, GA (US)
Antti Anton Toskala, Espoo (FI)
1. A user equipment comprising:a receiver and a processor configured to receive a radio resource control (RRC) signal including uplink (UL) sounding reference signal (SRS) configuration information; and
the receiver and the processor further configured to receive a semi-persistent scheduling (SPS) message to initiate transmission of UL SRSs; and
the processor and a transmitter configured to transmit UL SRSs in a time and frequency pattern based on the UL SRS configuration information and the SPS message.