1
Andrea Fumagalli, Qingzhong Cai: System and method for configuring optical circuits. University of Texas System Board of Regents, Jenkens & Gilchrist P C, August 15, 2006: US07092633 (20 worldwide citation)

A system and method for configuring lightpaths within an optical circuit wherein the source node stores requests for a lightpath between the source node and the destination node. Upon receipt of a token at the source node indicating an available space within a wavelength, the source node selects a r ...


2
Qingzhong Cai, Xiaoguang Sun, Gabriel E Cardona: Systems and methods for optical receiver decision threshold optimization. Menara Networks, Clements Bernard PLLC, Lawrence A Baratta Jr, Christopher L Bernard, August 21, 2012: US08249447 (8 worldwide citation)

The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical transceiver. The receiver threshold optimization loop utilizes a performance metric associated with the receiv ...


3
Siraj Nour Elahmadi, Qingzhong Cai, Fredrick Muya, Paul Tuok, Salam Elahmadi: Pluggable optical transceiver providing wavelength tuning information. Menara Networks, Clements Bernard Walker PLLC, Lawrence A Baratta Jr, Christopher L Bernard, August 8, 2017: US09729947

Systems and methods for conveying wavelength tuning information from a pluggable optical transceiver to a host device determining the wavelength tuning information of the pluggable optical transceiver operating in the host device; appending the wavelength tuning information as part of existing data ...


4
Andrea Fumagalli, Qingzhong Cai: System and method for configuring optical circuits. Jenkens & Gilchrist PC, September 12, 2002: US20020126343-A1

A system and method for configuring lightpaths within an optical circuit wherein the source node stores requests for a lightpath between the source node and the destination node. Upon receipt of a token at the source node indicating an available space within a wavelength, the source node selects a r ...


5
Qingzhong CAI, Xiaoguang Sun, Gabriel E Cardona: Systems and methods for optical receiver decision threshold optimization. Clements Bernard PLLC, October 29, 2009: US20090269076-A1

The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical transceiver. The receiver threshold optimization loop utilizes a performance metric associated with the receiv ...


6
Qingzhong CAI, Xiaoguang SUN, Gabriel E CARDONA: Systems and methods for optical receiver decision threshold optimization. November 8, 2012: US20120281992-A1

The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical transceiver. The receiver threshold optimization loop utilizes a performance metric associated with the receiv ...