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United States

Patent # Issue Date Title
6,751,444 06/15/04 Method And Apparatus For Adaptive Carrier Allocation And Power Control In Multi-Carrier Communication Systems
6,870,808 03/22/05 Channel Allocation In Broadband Orthogonal Frequency-Division Multiple Access/Space-Division Multiple-Access Networks
6,904,283 06/07/05 Multi-Carrier Communications With Group-Based Subcarrier Allocation
6,940,827 09/06/05 Communication System Using OFDM For One Direction And DSSS For Another Direction
6,947,748 09/20/05 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
7,072,315 07/04/06 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
7,146,172 12/05/06 Multi-Carrier Communications With Adaptive Cluster Configuration And Switching
7,164,669 01/16/07 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
7,257,376 08/14/07 Systems and Methods for Making Channel Assignments to Reduce Interference and Increase Capacity of Wireless Networks
7,355,962 04/08/08 Multi-Carrier Communications With Group-Based Subcarrier Allocation
7,379,742 05/27/08 Multi-Carrier Communications With Adaptive Cluster Configuration And Switching
7,414,994 08/19/08 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
7,428,268 09/23/08 Cooperative MIMO In Multicell Wireless Networks
7,454,212 11/18/08 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
7,489,934 02/10/09 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
7,529,311 05/05/09 Cooperative MIMO In Multicell Wireless Networks
7,573,850 08/11/09 Multi-Carrier Communications with Group-Based Subcarrier Allocation
7,573,851 08/11/09 Method And System For Switching Antenna And Channel Assignments In Broadband Wireless Networks
7,606,596 10/20/09 Exploiting Multiuser Diversity Through Phase Modulation Mulitiplexing
7,650,152 01/19/10 Multi-Carrier Communications With Adaptive Cluster Configuration And Switching
7,668,530 02/23/10 System and Methods for Coordinating the Coverage and Capacity of a Wireless Base Station
7,715,358 05/11/10 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
7,782,985 08/24/10 Automatic Frequency Offset Compensation in a TDD Wireless OFDM Communication System
7,804,910 09/28/10 Systems and Methods for Wireless Communication System Channel Allocation Using Intentional Delay Distortion
7,852,812 12/14/10 Communication System Using OFDM For One Direction And DSSS For Another Direction
7,933,244 04/26/11 Multi-Carrier Communications With Group-Based Subcarrier Allocation
7,970,377 06/28/11 System and Method for Coordinating the Coverage and Capacity of a Wireless Base Station
8,005,479 08/23/11 Method And Apparatus For Adaptive Carrier Allocation And Power Control In Multi-Carrier Communication Systems
8,010,118 08/30/11 Systems and Methods for Making Channel Assignments to Reduce Interference and Increase Capacity of Wireless Networks
8,023,598 09/20/11 Automatic Gain Control Method and Apparatus for Wireless Communication Systems
8,036,173 10/11/11 System and Method for Managing Wireless Base Station Handoff Information
8,036,199 10/11/11 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading

Australia

Patent # Issue Date Title
2002211628 01/05/07 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
2005314171 10/28/10 Method And System For Switching Antenna And Channel Assignments In Broadband Wireless Networks
2006232866 11/11/10 Systems And Methods For Coordinating The Coverage And Capacity Of A Wireless Base Station
2006266325 12/23/10 Systems and Methods for Making Channel Assignments to Reduce Interference and Increase Capacity of Wireless Networks
2006216974 03/10/11 Intelligent Demodulation Systems And Methods In An OFDMA Multicell Network
2005314049 06/09/11 Cooperative MIMO In Multicell Wireless Networks
2005311947 07/28/11 Exploiting Multiuser Diversity Through Phase Modulation Multiplexing

Canada

Patent # Issue Date Title
2424318 08/18/09 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks

China

Patent # Issue Date Title
1817199.0 07/05/06 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
1820651.4 09/06/06 Multi-Carrier Communications With Group-Based Subcarrier Allocation
2806791.6 08/18/09 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
2809429.8 02/20/08 Communication System Using OFDM For One Direction And DSSS For Another Direction
1874334B 02/23/11 Multi-Carrier Communications With Group-Based Subcarrier Allocation
200580041102.7 04/27/11 Exploiting Multiuser Diversity Through Phase Modulation Multiplexing

Hong Kong

Patent # Issue Date Title
1062364 01/26/07 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
1066648 10/03/08 Communication System Using OFDM For One Direction And DSSS For Another Direction
1065192 06/12/09 Multi-Carrier Communications With Group-Based Subcarrier Allocation
1064822 07/23/10 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
1101312 06/03/11 Method and Apparatus For Subcarrier Selection For A System Employing Orthogonal Frequency Division Multiple Access

Israel

168458 02/01/11 Method And Apparatus For Adaptive Carrier Allocation And Power Control In Multi-Carrier Communication Systems

Japan

Patent # Issue Date Title
3980478 07/06/07 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
4043948 11/22/07 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
4076861 02/08/08 Communication System Using OFDM For One Direction And DSSS For Another Direction
4201595 10/17/08 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
4031707 10/26/08 Multi-Carrier Communications With Group-Based Subcarrier Allocation
4213466 11/07/08 Multi-Carrier Communications With Adaptive Cluster Configuration And Switching

Korea

Patent # Issue Date Title
676667 01/25/07 Multi-Carrier Communications With Adaptive Cluster Configuration And Switching
688104 02/22/07 Multi-Carrier Communications With Group-Based Subcarrier Allocation
688107 02/22/07 Method For Subcarrier Selection For A System Employing Orthogonal Frequency Division Multiple Access
695048 03/08/07 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
748911 08/07/07 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
846644 10/07/08 Communication System Using OFDM For One Direction And DSSS For Another Direction
851411 08/04/08 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
896140 04/28/09 Multi-Carrier Communication With Time Division Multiplexing And Carrier-Selective Loading
10-1062630 08/31/11 Method And Apparatus For Adaptive Carrier Allocation And Power Control In Multi-Carrier Communication Systems

Mexico

Patent # Issue Date Title
240060 09/06/06 Multi-Carrier Communications With Adaptive Cluster Configuration And Switching
241444 10/25/06 Multi-Carrier Communications With Group-Based Subcarrier Allocation
241779 11/08/06 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks
242002 11/15/06 OFDMA With Adaptive Subcarrier-Cluster Configuration And Selective Loading
269293 08/18/09 Cooperative MIMO In Multicell Wireless Networks
273380 01/14/10 Exploiting Multiuser Diversity Through Phase Modulation Multiplexing
273381 01/14/10 Method And System For Switching Antenna And Channel Assignments In Broadband Wireless Networks
278404 08/27/10 Systems and Methods for Making Channel Assignments to Reduce Interference and Increase Capacity of Wireless Networks
282975 01/17/11 Systems And Methods For Coordinating The Coverage And Capacity Of A Wireless Base Station

New Zealand

Patent # Issue Date Title
525133 04/06/06 Medium Access Control For Orthogonal Frequency-Division Multiple-Access (OFDMA) Cellular Networks

Taiwan

I341101 04/21/11 Spectrum Sharing Between Broadcasting And Multiple-Access Networks