S Kazi, RC Becker - US Patent 7,477,707, 2009 - Google Patents
Abstract A DPSK demodulator demodulates DPSK signals in a computationally efficient manner to reduce the power requirements of the DPSK demodulator. A DPSK signal is …
HA Troemel Jr - US Patent 7,477,706, 2009 - Google Patents
An input signal (IN) is filtered (605) to remove aliases and a switched capacitor network (610) undersamples this signal to provide a downconverted, near-baseband signal. An …
G Wu, J Yang, P Nian, J Zhou, S Huang… - US Patent …, 2013 - Google Patents
In the field of communications technologies, a down sampling method and a down sampling device are provided, to enable the energy of a down sampling point obtained in down …
S Huckett, P Jones, C Luschi - US Patent 8,654,913, 2014 - Google Patents
A method and apparatus for processing a signal in a wireless communication system. The method comprises: receiving a signal at a receiver over a wireless channel; sampling the …
RJ McCarty Jr - US Patent 6,917,657, 2005 - Google Patents
In a communication system in which an incoming signal is pulse shaped prior to detecting the information bearing point of the signal, processing overhead can be significantly …
N Suehiro - US Patent 8,213,559, 2012 - Google Patents
A parallel sampling device includes a memory that stores the values of the sampling function (Sin πt/πt), a low pass filter, a sampler that samples a signal, which has passed through low …
RJ McCarty Jr - US Patent App. 11/826,023, 2009 - Google Patents
In a communication system in which an incoming signal is pulse shaped prior to detecting the information bearing point of the signal, processing overhead can be significantly …