Patent assignee · US · COMPANY

ZTE (USA) Inc.

167Patents
166Active
167Granted
59Portfolio score

Filing activity: Mar 3, 2005 → Dec 21, 2017 · 50 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7496113B2 Fast cell search and accurate synchronization in wireless communications Electricity 81 Active
US8116195B2 Transmission and reception of reference preamble signals in OFDMA or OFDM communication systems Electricity 54 Active
US7965693B2 Interworking mechanism between wireless wide area network and wireless local area network Electricity 54 Active
US8300663B2 Dedicated acknowledgement and delivery of management messages in wireless communication systems Electricity 54 Active
US7873002B2 Frame structure for multi-hop relay in wireless communication systems Electricity 46 Active
US8121607B2 Mobile station initiated load balancing in wireless communication networks Electricity 36 Active
US7415288B1 Techniques for providing efficient transmit diversity and bandwidth segmentation in a wireless communication system Electricity 32 Active
US8089400B1 Network assisted GPS positioning for Femto Cells in wireless networks Electricity 28 Active
US8369301B2 OFDM/OFDMA frame structure for communication systems Electricity 25 Active
US8204025B2 Flexible OFDM/OFDMA frame structure for communication systems Electricity 24 Active
US7826435B1 Power control in OFDM and OFDMA wireless communication networks Electricity 21 Active
US8270435B2 Method and system for variable-sized resource block allocation within OFDMA communication systems Electricity 19 Active
US8274947B1 Providing timing reference for femto cell in wireless communication networks Electricity 18 Active
US8209576B2 Dynamic adjustment and signaling of downlink/uplink allocation ratio in LTE/TDD systems Electricity 16 Active
US7474895B1 Frequency reuse in wireless communication networks Electricity 15 Active
US8942170B1 Group identification of wireless communication devices Electricity 13 Active
US9509464B2 Flexible OFDM/OFDMA frame structure for communication systems Electricity 13 Active
US8953615B2 Flexible OFDM/OFDMA frame structure for communication systems Electricity 13 Active
US8254382B1 Location preference indicator in network access identifier Electricity 12 Active
US8428042B1 Feedback mechanisms for multicast/broadcast service in wireless communication networks Electricity 11 Active
US8031642B2 Subcarrier cluster-based power control in wireless communications Electricity 10 Active
US8488725B2 Method and system for spatial channel state information feedback based on a kronecker product Electricity 10 Active
US9635652B2 Optimized transmission of machine type communication data from a mobile device to a wireless network Electricity 10 Active
US8437286B2 Signaling for multi-hop relay in wireless communication systems Electricity 10 Active
US8514778B1 Interworking overhead message protocols Electricity 9 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.