Inventor · San Diego, CA, US

Long Duan

20Patents
5h-index
45Co-inventors
69Inventor score

Filing activity: Jul 20, 2000 → Feb 2, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7522919B2 Enhancements to periodic silences in wireless communication systems Electricity 40 Expired
US6826161B1 Slewing detector system and method for the introduction of hysteresis into a hard handoff decision Electricity 14 Expired
US7519019B2 Method of rate control Electricity 12 Expired
US7808952B2 Rate adaptation of wireless communication channels Electricity 9 Active
US9918271B2 Optimized barred timer handling in high-speed scenario Electricity 5 Active
US7680093B2 Sector selection for F-SCH Electricity 5 Active
US7406077B2 Generalized rate control for a wireless communications network Electricity 5 Expired
US8903327B2 Channel quality reporting using a dynamically adjusted measurement power offset Electricity 4 Active
US7573856B2 Power-based rate adaptation of wireless communication channels Electricity 3 Active
US10624015B2 Timing advance assisted measurement report for improved handover performance Electricity 2 Active
US8543659B2 Apparatus and method for user equipment battery information reporting Emerging Cross-Sectional Technologies 2 Active
US7773502B2 Dynamic voice over data prioritization for wireless communication networks Electricity 2 Active
US8830908B2 Apparatus and method for facilitating fallback access schemes Electricity 2 Active
US9125211B2 System and methods for traffic volume reporting during radio access network connection setup Electricity 1 Active
US10819524B2 Methods for header extension preservation, security, authentication, and protocol translation for RTP over MPRTP Electricity 0 Active
US11564245B2 Uplink-based radio link failure reporting for a cell group Electricity 0 Active
US8447291B2 Selective state transitions of a user equipment within a wireless communications system Emerging Cross-Sectional Technologies 0 Active
US9924471B2 Channel quality reporting using a dynamically adjusted measurement power offset Electricity 0 Active
US9167495B2 Cell selection Electricity 0 Active
US11304198B2 Packet data convergence protocol traffic monitoring Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.