US 12,089,056 B2
Device communication over television white space
Heping Shi, Bellevue, WA (US); Ranveer Chandra, Kirkland, WA (US); Tusher Chakraborty, Bangalore (IN); Nissanka Arachchige Bodhi Priyantha, Redmond, WA (US); Zerina Kapetanovic, Seattle, WA (US); and Binh Ngoc Vu, Bellevue, WA (US)
Assigned to Microsoft Technology Licensing, LLC., Redmond, WA (US)
Filed by Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed on Aug. 28, 2023, as Appl. No. 18/457,317.
Application 18/457,317 is a division of application No. 17/849,562, filed on Jun. 24, 2022, granted, now 11,778,481.
Application 17/849,562 is a continuation of application No. 17/037,389, filed on Sep. 29, 2020, granted, now 11,405,792, issued on Aug. 2, 2022.
Claims priority of application No. 202041020661 (IN), filed on May 15, 2020.
Prior Publication US 2023/0403567 A1, Dec. 14, 2023
Int. Cl. H04W 16/14 (2009.01); H03F 3/19 (2006.01); H04W 48/16 (2009.01); H04W 72/0453 (2023.01); H04W 72/541 (2023.01)
CPC H04W 16/14 (2013.01) [H03F 3/19 (2013.01); H04W 48/16 (2013.01); H04W 72/0453 (2013.01); H04W 72/541 (2023.01); H03F 2200/294 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A base station for television white space (TVWS) communication, the base station comprising:
a master transceiver;
a plurality of subordinate transceivers, wherein the master transceiver and the plurality of subordinate transceivers are interconnected, the master transceiver and the plurality of subordinate transceivers configured to transmit and receive at a plurality of TVWS frequencies;
an antenna connected to the master transceiver and the plurality of subordinate transceivers;
a radio frequency (RF) combiner/splitter connected between the antenna and the master transceiver and the plurality of subordinate transceivers; and
a log periodic filter within the master transceiver and the plurality of subordinate transceivers, the log periodic filter comprising a plurality of filter elements each having a filter frequency increasing periodically in a same frequency increasing factor, each filter of the plurality of filter elements configured to filter out second harmonics in a defined frequency range.