US Patent No. 10,194,452

DEVICE-TO-DEVICE (D2D) CHANNEL MANAGEMENT WITH NETWORK-ASSISTED REFERENCE SIGNAL TRANSMISSION


Patent No. 10,194,452
Issue Date January 29, 2019
Title Device-to-device (d2d) Channel Management With Network-assisted Reference Signal Transmission
Inventorship Amit Kalhan, San Diego, CA (US)
Henry Chang, San Diego, CA (US)
Assignee Kyocera Corporation, Kyoto (JP)

Claim of US Patent No. 10,194,452

1. A method comprising:instructing a first user equipment (UE) device to transmit a reference signal;
receiving, from a second UE device, device-to-device (D2D) channel characteristic information indicative of a D2D communication link between the first UE device and the second UE device, the D2D channel characteristic information determined from a UE device received reference signal that is the reference signal transmitted by the first UE device as received at the second UE device;
determining, from the D2D channel characteristic information, D2D transmission parameters for transmitting a D2D signal from the first UE device to the second UE device; and
transmitting the D2D transmission parameters to the first UE device.