John Cheong-Wai Ngan

Person

Shawnee, KS, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system of selecting antennas and equipment for use withi...
- Patent number 7,853,294
- Issue date Dec 14, 2010
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Using a wireless intercom to talk-around a cellular wireless network
- Patent number 7,844,295
- Issue date Nov 30, 2010
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system of reusing walsh code to increase forward channel...
- Patent number 7,792,532
- Issue date Sep 7, 2010
- Sprint Spectrum L.P.
- Shiva Narayanabhatla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for diversity transmission from a mobile station
- Patent number 7,542,733
- Issue date Jun 2, 2009
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency repeater with automated block/channel selection
- Patent number 7,480,485
- Issue date Jan 20, 2009
- Sprint Spectrum L.P.
- Dae-Sik Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for proximity detection for an in-building wirele...
- Patent number 7,415,242
- Issue date Aug 19, 2008
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for managing beam selection in a mobile handset
- Patent number 7,353,001
- Issue date Apr 1, 2008
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for determining location of a mobile station with...
- Patent number 7,336,961
- Issue date Feb 26, 2008
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency repeater with automated block/channel selection
- Patent number 7,299,005
- Issue date Nov 20, 2007
- Sprint Spectrum L.P.
- Mark L. Yarkosky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system of spread spectrum modulation
- Patent number 7,197,288
- Issue date Mar 27, 2007
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system of wireless signal repeating
- Patent number 7,123,911
- Issue date Oct 17, 2006
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fractal antenna system and method for improved wireless telecommuni...
- Patent number 7,088,965
- Issue date Aug 8, 2006
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system of identifying cells in which to apply a carrier...
- Patent number 6,973,312
- Issue date Dec 6, 2005
- Sprint Spectrum L.P.
- John Cheong-Wai Ngan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

John Cheong-Wai Ngan

Person

Patents Grantslast 30 patents

Method and system of selecting antennas and equipment for use withi...

Using a wireless intercom to talk-around a cellular wireless network

Method and system of reusing walsh code to increase forward channel...

Method and apparatus for diversity transmission from a mobile station

Radio frequency repeater with automated block/channel selection

Method and system for proximity detection for an in-building wirele...

Method and apparatus for managing beam selection in a mobile handset

Method and system for determining location of a mobile station with...

Radio frequency repeater with automated block/channel selection

Method and system of spread spectrum modulation

Method and system of wireless signal repeating

Fractal antenna system and method for improved wireless telecommuni...

Method and system of identifying cells in which to apply a carrier...