US Patent No. 10,142,952

SYNCHRONIZATION OF UNLICENSED CELL RECEPTION OF A WIRELESS DEVICE


Patent No. 10,142,952
Issue Date November 27, 2018
Title Synchronization Of Unlicensed Cell Reception Of A Wireless Device
Inventorship Esmael Hejazi Dinan, Herndon, VA (US)
Assignee Ofinno Technologies, LLC, Herndon, VA (US)

Claim of US Patent No. 10,142,952

1. A wireless device comprising:one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
receive at least one control message comprising configuration parameters of a plurality of cells grouped into a plurality of cell groups, wherein the plurality of cell groups comprise:
a primary cell group comprising a primary cell; and
a secondary cell group comprising two or more unlicensed cells comprising a first unlicensed cell and a second unlicensed cell;
receive, via the first unlicensed cell, a first signal in a first plurality of subframes, the first signal comprising a first downlink synchronization signal;
receive, via the second unlicensed cell, a second signal in a second plurality of subframes, the second signal comprising a second downlink synchronization signal;
synchronize reception timing of signals received via the first unlicensed cell employing at least the second signal received via the second unlicensed cell; and
synchronize reception timing of signals received via the second unlicensed cell employing at least the first signal received via the first unlicensed cell.