US 12,081,996 B2
Simultaneous sharing of spectrum in wireless communications
Giridhar K, Chennai (IN); and Venkatesh C R, Chennai (IN)
Assigned to INDIAN INSTITUTE OF TECHNOLOGY MADRAS, Chennai (IN)
Filed by INDIAN INSTITUTE OF TECHNOLOGY MADRAS, Chennai (IN)
Filed on Sep. 20, 2023, as Appl. No. 18/471,116.
Application 18/471,116 is a division of application No. 17/310,362, granted, now 11,937,093, previously published as PCT/IN2020/050153, filed on Feb. 19, 2020.
Claims priority of application No. 201941006506 (IN), filed on Feb. 19, 2019.
Prior Publication US 2024/0015521 A1, Jan. 11, 2024
Int. Cl. H04W 16/14 (2009.01); H04W 16/12 (2009.01); H04W 16/32 (2009.01)
CPC H04W 16/14 (2013.01) [H04W 16/12 (2013.01); H04W 16/32 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A User Equipment (UE) comprising:
a processor; and
a memory having instructions stored thereon, the instructions being executable by the processor to:
search for a first preamble signal from a base station (BS) of a first mobile network operator that issued a first Subscriber Identity Module (SIM) card being used in the UE, wherein the first preamble signal has a frequency in a frequency spectrum;
upon receiving the first preamble signal from a first BS of the first mobile network operator, register with the first BS for receiving downlink signals from the first BS and for sending uplink signals to the first BS, wherein the first BS is to communicate with the UE in the frequency spectrum;
receive a second preamble signal from a second BS of a second mobile network operator, wherein the second preamble signal has a frequency in the frequency spectrum;
determine, based on the second preamble signal, that downlink signals to be received from the second BS are to have a higher strength than that from the first BS;
in response to the determination, request the first BS a permission to be served by the second BS;
upon receiving the permission, connect with the second BS; and
receive downlink signals from the second BS in the frequency spectrum.