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Class Information
Number: 370/344
Name: Multiplex communications > Communication over free space > Combining or distributing information via frequency channels > Multiple access (e.g., fdma)
Description: Subject matter having a scheme for reaching a comunication medium in which a station is assigned a frequency channel in response to that station"s request for access and the assignment lasting until it is withdrawn.

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8711783 Method and apparatus for coordinating hopping of resources in wireless communication systems Apr. 29, 2014
8711828 Method of transmitting data using spatial multiplexing Apr. 29, 2014
8711762 Wireless communications apparatus and wireless communications method Apr. 29, 2014
8705612 Method for generating downlink signal in downlink MIMO system Apr. 22, 2014
8705338 System and method for data scrambling to reduce the crest factor in an OFDM waveform Apr. 22, 2014
8705561 Broadcasting method and radio apparatus Apr. 22, 2014
8693523 QAM CDMA and TDMA communication methods Apr. 8, 2014
8693412 Configurable random access channel structure for range extension in a wireless communication system Apr. 8, 2014
8687480 Systems and methods for SC-FDMA transmission diversity Apr. 1, 2014
8687484 Method and apparatus for performing communication in relay system Apr. 1, 2014
8687555 Method and apparatus for performing effective feedback in wireless communication system supporting multiple antennas Apr. 1, 2014
8687585 Advanced technology frame structure with backward compatibility Apr. 1, 2014
8687617 Wireless communication system with improved broadcast coverage Apr. 1, 2014
8682325 Handover between mobile communication networks Mar. 25, 2014
8682266 Techniques to enhance diversity for a wireless system Mar. 25, 2014
8681764 Frequency division multiple access schemes for wireless communication Mar. 25, 2014
8681762 Sorting frequency arrays to account for multi-protocol frequencies Mar. 25, 2014
8681747 Wireless communication system Mar. 25, 2014
8675593 Wireless communication base station apparatus and control channel allocation method Mar. 18, 2014
8675610 Wireless communication system Mar. 18, 2014
8676115 Apparatus and methods for testing using modulation error ratio Mar. 18, 2014
8670431 Base station, user terminal, and transmission control method for sounding reference signal Mar. 11, 2014
8665695 Methods for transceiving data in multi-band orthogonal frequency division multiple access communications system and communications apparatuses utilizing the same Mar. 4, 2014
8659987 Adaptive modulation for fixed wireless link in cable transmission system Feb. 25, 2014
8654740 Polar cap reset method for differential codebook for wireless communications Feb. 18, 2014
8654752 Radio communication device and radio communication method Feb. 18, 2014
8649364 Hybrid subcarrier mapping method and system Feb. 11, 2014
8644289 Enhanced node B and method for precoding with reduced quantization error Feb. 4, 2014
8644182 Method and apparatus for reporting a channel quality in a wireless communication system Feb. 4, 2014
8644288 Uplink spatial division multiple access (SDMA) user pairing and scheduling Feb. 4, 2014
8638652 Signal transmission with fixed subcarrier spacing within OFDMA communication systems Jan. 28, 2014
8638661 Partitioning resources with soft reuse in a wireless network Jan. 28, 2014
8638755 Content-based handover method and system Jan. 28, 2014
8638771 Transmission structure supporting multi-user scheduling and MIMO transmission Jan. 28, 2014
8634392 Network access points using multiple devices Jan. 21, 2014
8625690 Systems and methods for wireless communication in sub gigahertz bands Jan. 7, 2014
8626222 Channel rank updates in multiple-input multiple-output communication systems Jan. 7, 2014
8625509 Method of transmitting signal in wireless communication system and apparatus thereof Jan. 7, 2014
8625628 Method and gateway for transmission of router advertisement Jan. 7, 2014
8621175 Wirelessly configurable memory device Dec. 31, 2013
8619914 Receiver and receiving method for scalable bandwith Dec. 31, 2013
8619748 Method and apparatus for transmitting and receiving different signal types in communication systems Dec. 31, 2013
8619747 Method and apparatus for providing and utilizing a non-contention based channel in a wireless communication system Dec. 31, 2013
8619744 Reception method and receiver Dec. 31, 2013
8619613 Random access resource configuration Dec. 31, 2013
8619746 Channel estimation for multi-carrier communication Dec. 31, 2013
8611409 Method and apparatus for performing channel equalization on a MIMO signal Dec. 17, 2013
8611273 System level architectures for relayed uplink communication Dec. 17, 2013
8605705 Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system Dec. 10, 2013
8599818 Apparatus and method for employing common control channel and broadcast channel in a broadband wireless communication system with frequency overlay Dec. 3, 2013

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