US 12,237,865 B2
Ultra-wideband method and apparatus
Michael McLaughlin, Dublin (IE)
Assigned to DecaWave, Ltd., Dublin (IE)
Filed by DECAWAVE, LTD., Dublin (IE)
Filed on Feb. 6, 2024, as Appl. No. 18/434,089.
Application 18/434,089 is a continuation of application No. 17/590,582, filed on Feb. 1, 2022, granted, now 11,936,420.
Application 17/590,582 is a continuation of application No. 16/789,180, filed on Feb. 12, 2020, granted, now 11,239,882, issued on Feb. 1, 2022.
Claims priority of provisional application 62/804,723, filed on Feb. 12, 2019.
Prior Publication US 2024/0223237 A1, Jul. 4, 2024
Int. Cl. H04B 1/71 (2011.01); H03M 13/41 (2006.01); H04B 1/38 (2015.01); H04B 1/717 (2011.01)
CPC H04B 1/7174 (2013.01) [H03M 13/41 (2013.01); H04B 1/38 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus for higher data rate transmission, comprising:
a convolutional encoder configured to:
receive an input data bit;
encode the input data bit to generate two coded data bits, g0 and g1; and
develop a convolutionally encoded symbol;
a symbol mapper configured to map the two encoded data bits to a symbol, wherein in a first mode of operation the symbol mapper is configured to:
map g0 to a first set of 4 pulses in a first symbol;
insert a first guard interval comprising 4 silent chips in the first symbol;
map g1 to a second set of 4 pulses in the first symbol; and
insert a second guard interval comprising 4 silent chips in the first symbol;
wherein in a second mode of operation the symbol mapper is configured to:
map g0 to a third set of 2 pulses in a second symbol;
insert a third guard interval comprising 2 silent chips in the second symbol;
map g1 to a fourth set of 2 pulses in the second symbol; and
insert a fourth guard interval comprising 2 silent chips in the second symbol.