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Li Litong: Phase-locked loop system and method. Tektronix, August 19, 2009: EP2091155-A1

A phase-locked loop including a phase detector (34) configured to receive inputs from a reference signal path and a feedback signal path and generate a phase detector output based upon such inputs. The phase-locked loop also includes an oscillator (36) operatively coupled with the phase detector and ...


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Chen Xixian, Mcgowan Neil N, Islam Khaled M, Guo Ning, Ren Hong, Li Litong: Shared channel structure, systems and methods. Nortel Networks, January 4, 2006: EP1612969-A1

A forward link design is provided employing CDMA (code division multiple access) technologies in which time division multiplexing is employed between data and control information on the forward link to service multiple users per slot. Another forward link design employing CDMA (code division multipl ...


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Chen Xixian, Mcgowan Neil N, Islam Khaled M, Guo Ning, Ren Hong, Li Litong: Shared channel structure, systems and methods. Nortel Networks, chengtian zheng liujie, May 16, 2007: CN200610135685

The invention is related to shared channel structure, ARQ system and method. A forward link design is provided employing CDMA (code division multiple access) technologies in which time division multiplexing is employed between data and control information on the forward link to service multiple user ...


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Li Litong, Dalebroux Donald J, Larrick Ronald J: Conversion architecture for residual spur avoidance. Tektronix, August 19, 2009: EP2091143-A2

A method and apparatus for residual spur avoidance is disclosed. One embodiment comprises a method of generating a first local oscillator signal, mixing the first local oscillator signal with a radio frequency signal to generate an intermediate frequency signal, filtering the intermediate frequency ...


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Chen Xixian, Mcgowan Neil N, Islam Khaled M, Guo Ning, Ren Hong, Li Litong: Shared channel structure, arq systems and methods. Nortel Networks, August 6, 2003: EP1332568-A2

A forward link design is provided employing CDMA (code division multiple access) technologies in which time division multiplexing is employed between data and control information on the forward link to service multiple users per slot. Another forward link design employing CDMA (code division multipl ...


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Chen Xixian, Mcgowan Neil N, Islam Khaled M, Guo Ning, Ren Hong, Li Litong: Shared channel structure, arq systems and methods. Nortel Networks, BRETT R Alan, May 2, 2002: WO/2002/035735

A forward link design is provided employing CDMA (code division multiple access) technologies in which time division multiplexing is employed between data and control information on the forward link to service multiple users per slot. Another forward link design employing CDMA (code division multipl ...


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