Patent application 14658609 (US), filed 2015-03-16
Publication number: US20150189639A1
Title: PREAMBLES FOR SUB-1GHZ FREQUENCY BANDS
CPC codes: H04L   1/00
H04L   1/0025
H04W  72/044
H04L   1/0028
H04L   1/0033
H04L   1/0039
H04L   1/0079
H04L   1/0083
H04L   1/009
H04L  12/56
H04L  69/22
H04W  80/04
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 8238316
ref_type: patent
severity: obviousness
ref_id: XP017604244
ref_type: patent
severity: obviousness
ref_id: New York 10016-5997 USA Retrieved
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-15)