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William C Timm, Walter Y Chen, Gene A Frantz, Domingo G Garcia, Xiaolin Lu, Dennis G Mannering, Michael O Polley, Terence J Riley, Donald P Shaver, Song Wu, Alan Gatherer, Paul E Schurr, Douglas B Weiner: Multimode digital modem. Texas Instruments Incorporated, Warren L Franz, C Alan McClure, Richard L Donaldson, April 25, 2000: US06055268 (210 worldwide citation)

A modem communication system with receiving and transmission paths includes a direct equalizer system having an adaptive filter (1532) in the transmission path to compensate for frequency distortion of the communication channel. The transmitter filter coefficients are adapted by a filter coefficient ...


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Xiaolin Lu: MDSL host interface requirement specification. Texas Instruments Incorporated, C Alan McClure, Robby T Holland, Richard L Donaldson, June 8, 1999: US05910970 (176 worldwide citation)

A modem that operates selectively in the voice-band frequency band and higher frequency bands is provided. This modem supports multiple line codes, like DMT and CAP. The modem uses a Digital Signal Processor (DSP), so that different existing ADSL line codes, such as Discrete MultiTone (DMT) and Carr ...


3
George E Bodeep, Thomas E Darcie, Xiaolin Lu: Network apparatus and method for providing two way broadband communications. AT&T, John A Caccuro, June 18, 1996: US05528582 (131 worldwide citation)

A communication network (e.g., a coax network or an optical fiber network) comprises a signal distribution network (e.g., fiber node FN) for transmitting communication signals downstream over a first communication path to a plurality of end user apparatuses connected thereto. At least one end user a ...


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Thomas Edward Darcie, Bhavesh Desai, Alan H Gnauck, Xiaolin Lu, Sheryl Leigh Woodward: Method and system for providing low-cost high-speed data services. AT&T, Oliff & Berridge, December 10, 2002: US06493335 (93 worldwide citation)

A communication network uses intermediate nodes to resolve local traffic contention. Intermediate nodes receive upstream signals from end users, derive traffic information signals from the upstream signals, and transmit the traffic information signals to end users. By listening to the traffic inform ...


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Xiaolin Lu, Donald P Shaver: MAC/PHY interface. Texas Instruments Incorporated, Robert D Marshall Jr, W James Brady III, Frederick J Telecky Jr, January 4, 2005: US06839345 (91 worldwide citation)

The present invention provides a method, system and apparatus for managing data flow over an open system interconnection type network (10) which includes a physical layer (12) and a media access control layer (146). The invention implements a plurality of operating modules (315) each enabling a resp ...


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Michael O Polley, Walter Y Chen, Xiaolin Lu: Rate negotiation for variable-rate digital subscriber line signaling. Texas Instruments Incorporated, C Alan McClure, Robby T Holland, Richard L Donaldson, December 7, 1999: US05999563 (74 worldwide citation)

A modem that operates selectively in the voice-band frequency band and at higher frequency bands is provided. This modem supports multiple line codes, like DMT and CAP.


8
Ramachandran Ananthakrishnan, Shu Du, Xiaolin Lu: Routing protocols for power line communications (PLC). Texas Instruments Incorporated, John R Pessetto, Frederick J Telecky Jr, February 17, 2015: US08958356 (72 worldwide citation)

Systems and methods for routing protocols for power line communications (PLC) are described. In some embodiments, a method may include transmitting a one-hop broadcast request message to a plurality of PLC devices in a mesh network and receiving a response from each of the devices. The method may al ...


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Xiaolin Lu, Jin Meng Ho: Wireless network scheduling data frames including physical layer configuration. Texas Instruments Incorporated, Steven A Shaw, W James Brady, Frederick J Telecky Jr, May 29, 2007: US07224704 (64 worldwide citation)

A wireless network is disclosed in which individual wireless stations can be configured to implement any of a plurality of physical configurations including antenna configurations. Such antenna configurations may include, without limitation, multiple input multiple output (MIMO) and single input sin ...


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Thomas Edward Darcie, Alan H Gnauck, Xiaolin Lu: Resource pooling system and method in communication systems. AT&T Corporation, Oliff & Berridge, February 27, 2001: US06195362 (59 worldwide citation)

This invention provides a method and apparatus for allocating pools of resources of a communication system to nodes and end users serviced by the nodes. The nodes are coupled to a communications network through interface units. The interface units are organized as a pool and may be either preassigne ...