...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8184795 | Method and system for floor control in a wireless network A method and system for establishing floor control in a communication session enables remote control of devices in a network and provides a status update concerning floor ownership. The method includes processing at a floor controller a floor request message receive... | 05/22/2012 |
| 8184610 | Method for adaptive beaconing A method of adaptive beaconing includes operating a node within an ad hoc wireless communication network to calculate a probability P for an interval of time I; transmit a beacon when a uniformly distributed random number is less than the probability P; and wait for... | 05/22/2012 |
| 8180351 | Ad-hoc peer-to-peer mobile radio access system interfaced to the PSTN and cellular networks An ad-hoc, peer-to-peer radio access system for cellular communications systems using time division duplex as a way of maximizing the bits/hz/km2 for cellular systems. The network architecture of the ad-hoc system allows the radio access to be integrated with the fi... | 05/15/2012 |
| 8179873 | Method to quite consecutive narrow band channels A method and apparatus for quieting multiple channels is provided herein. During operation, transmission activity on each channel is analyzed and a best band is identified. Once the band is chosen, a wideband transmitter is utilized to transmit simultaneous reservat... | 05/15/2012 |
| 8179845 | Antenna-aware method for transmitting packets in a wireless communication network A method for transmitting packets in a wireless communication network includes taking into consideration an antenna mode prior to transmission. The method includes determining a transmit antenna mode for a transmission between the node and at least one other node; w... | 05/15/2012 |
| 8175272 | Method for establishing secure associations within a communication network A method for security authentication within a wireless network is disclosed. A method within an adhoc mesh network for two devices to quickly determine roles (i.e. which is the authenticator and which is the supplicant) while establishing a security association is p... | 05/08/2012 |
| 8175079 | Device and method for reestablishing a wireless connection in a wireless network A device and method enable reestablishing a wireless connection in a wireless network. A first wireless device detects that a previous wireless connection has been lost with a second wireless device that employs dynamic frequency selection (DFS). The first wireless ... | 05/08/2012 |
| 8161283 | Method and device for establishing a secure route in a wireless network A method for establishing a secure route in a wireless network as provided improves network efficiency. According to one aspect, the method includes receiving at a first node in the wireless network a route request message from a second node, where the second node a... | 04/17/2012 |
| 8160537 | Method and apparatus for aggregating information in a wireless communication system A Wireless Router (WR) aggregates information regarding the emergency calls based on their context and routes the aggregated emergency information to the correct portal which directs the aggregated emergency to appropriate Public Safety Answering Point (PSAP). The i... | 04/17/2012 |
| 8155684 | System and method for controlling use of uplink random access channels (RACHS) based on multi-dimensional subscriber classification Systems and methods are provided for controlling use of uplink random access channels (RACHs) based on multi-dimensional subscriber classification. These systems and methods are useful in cellular communication networks that implement, for example, a public safety c... | 04/10/2012 |
| 8150438 | Method for initiating a communication while participating in another communication Within a two way radio frequency communication system, a repeater transmits an identity of a rest channel when transmitting during an active communication call on a channel other than the rest channel. A subscriber unit communicating within the active communication,... | 04/03/2012 |
| 8150378 | Determining position of a node based on aged position data Techniques are provided for determining a position of a node. For example, the node receives first position data from a first reference node and second position data from a second reference node. The second position data includes second position measurement informat... | 04/03/2012 |
| 8149717 | System and method to provide differentiated routing in multi-hop multi-radio wireless networks A method provides for differentiating usage permissions between different categories of communication traffic within a given network. The method includes ensuring one or more categories of traffic never transits communication radios, link, and/or spectrums dedicated... | 04/03/2012 |
| 8144672 | Wireless wide area broadband coverage in a vehicular area network (VAN) The disclosure relates to techniques and technologies for providing mobile wireless broadband coverage. In one implementation, Wireless Wide Area Broadband (WWAB) network elements are provided in a Vehicular Area Network (VAN) that also includes a Mobile Network Con... | 03/27/2012 |
| 8134969 | IP layer-handoff using mobility domains and IP caching The disclosure relates to fast roaming techniques which can reduce L3 handoff delay when a mobile access point and/or a mobile host roams back to a previously visited subnet. These fast roaming techniques can allow the mobile access point and/or the mobile host to s... | 03/13/2012 |
| 8131300 | Routing protocol within hybrid-cellular networks In order to establish routing to/from a base station within a hybrid-cellular network, each network element is assigned a “class” based on a received signal strength of the base station. Each network element is allowed to choose a network element of lower class ... | 03/06/2012 |
| 8130736 | Method and system for facilitating channel measurements in a communication network A method and system for facilitating channel measurements in a communication network is disclosed. The method includes contending for a control channel to reserve a logical subchannel of a data channel. The control channel operates in a first frequency band and the ... | 03/06/2012 |
| 8130656 | Method and device for routing mesh network traffic A method and device for routing to a non-mesh network a first data flow received at a first mesh gateway via a wireless link as provided improves network efficiency. According to one aspect, the method includes determining that available bandwidth of a backhaul link... | 03/06/2012 |
| 8130146 | Method for measuring the time of arrival of radio signals A method for measuring the time of arrival of radio signals within a network comprises receiving the received signals including at least a first pseudorandom code and a second pseudorandom code from at least one other node; identifying a frequency difference between... | 03/06/2012 |
| 8116798 | Method to indicate status of channels assigned to a talkgroup in a multi-site conventional communication system A method for indicating the status of communication channels assigned to a talkgroup includes: determining the channels in various sites in a conventional communication system that service a talkgroup for media transmissions between subscribers of the talkgroup; rec... | 02/14/2012 |
| 8116230 | Establishing communication pathways between infrastructure devices in a group communication system implemented over a wide area network A method and apparatus is provided for establishing communication pathways between infrastructure devices in a wide area communication network prior to transmission of a group message packet by a source wireless communication device (WCD). In one implementation, the... | 02/14/2012 |
| 8112079 | System and method for providing congestion control in a communication system utilizing scheduled access communication channels A first communication channel is used by a communication unit for communicating with a base site. The first communication channel has an inbound link and an outbound link. The communication unit determines that congestion is present on the communication channel. The... | 02/07/2012 |
| 8069216 | Method and apparatus for alerting nodes of a malicious node in a mobile ad-hoc communication system A method and apparatus for alerting nodes of a malicious node in a mobile ad-hoc communication system is provided herein. Particularly, a method and apparatus for distributing an alert message to nodes surrounding a recently discovered malicious node is provided. Th... | 11/29/2011 |
| 8068851 | Method for proximity detection in a wireless communication network A method for proximity detection in a wireless communication network. A node attempts to determine the proximity of the closest neighboring node by transmitting a ranging request. Other nodes respond, and the first node to receive and respond to the request will hav... | 11/29/2011 |
| 8068467 | Multi-tier WLAN and method for propagating beacons in a multi-tier WLAN thereof A method for transmitting beacons by nodes in a multi-tier wireless local area network is disclosed. First, a first beacon by a tier 1 node in the multi-tier wireless local area network is transmitted. Then, a second beacon by a tier 2 node is transmit... | 11/29/2011 |
| 8068454 | System for enabling mobile coverage extension and peer-to-peer communications in an ad hoc network and method of operation therefor A method for enabling mobile coverage extension and peer-to-peer communications in an ad hoc network is provided. The method includes communicating at least one message among the plurality of nodes, wherein the at least one message comprises: an ad hoc zone, wherein... | 11/29/2011 |
| 8068438 | Method for cooperative relaying within multi-hop wireless communication systems A method for cooperative relaying within multi hop wireless communication systems includes a base station, in an attempt to decode a data packet, combining hard sliced channel bits and Logarithmic Likelihood Ratio (LLR) quality information received from relay statio... | 11/29/2011 |
| 8068428 | System and method for performing topology control in a wireless network A system and method for performing topology control in a wireless network (100). The system and method operate to enable a node (102-1) to determine the link cost of a link between itself and another node (102-2), based on the numb... | 11/29/2011 |
| 8046016 | Indicating availability of RF resources at a peer base station in a two-way peer-to-peer communication system A method for indicating availability of outbound RF resources (ORFRs) of peer base stations is provided that uses peer busy indicator (PBI) messages transmitted from one peer base station to other peer base stations. ... | 10/25/2011 |
| 8037159 | System and method for effecting the secure deployment of networks A system and method for allowing network users to securely administer and deploy network nodes (102). These networks (100) may comprise wired and/or wireless connections. Examples would include wired networks (104) with shared infrastructure in ... | 10/11/2011 |
| 8036168 | Method and apparatus for link adaptation by stochastically selecting a transmit parameter A method and apparatus for link adaptation is provided. A node stores a set of transmit parameters and corresponding selection probabilities for each of the transmit parameters. The node stochastically selects a particular transmit parameter based on the selection p... | 10/11/2011 |
| 8014415 | Apparatus, system and method for communicating information in a wireless communication network Techniques are provided for communicating a data stream in a wireless communication network. A source divides the data stream into a first data sub-stream and a second data sub-stream. The first data sub-stream can be modulated using a first modulation technique to ... | 09/06/2011 |
| 8014404 | Method and system for priority based routing A method and system for routing a data packet, intended for a destination node, from a source node to a first intermediate node in a network is useful for improving the efficiency of the network. The method includes determining a priority level for a user of the sou... | 09/06/2011 |
| 8014346 | Method for enabling periodic scanning in wireless communication networks A method is provided for enabling periodic scanning in a mesh network. The method includes transmitting from a first access point an announcement that it will be temporarily unavailable, wherein the announcement includes: a first information element for quieting a s... | 09/06/2011 |
| 8001381 | Method and system for mutual authentication of nodes in a wireless communication network A method as provided enables mutual authentication of nodes in a wireless communication network. The method includes processing at a first node a beacon message received from a second node, wherein the beacon message comprises a first nonce value (step 405). ... | 08/16/2011 |
| 8000283 | Method and apparatus for relay station neighbor discovery A method and apparatus for relay station neighbor discovery by providing predictable timing for relay station preambles and route advertisements, minimizing signaling overhead by keeping these times fixed, scheduling a subset of relay stations for transmission of re... | 08/16/2011 |
| 7961900 | Communication device with single output audio transducer A communication device 100 includes a first audio output 105; a second audio output 110; an audio transducer 115 for dual mode use; a shuttered acoustic path 120 coupled between the audio transducer 115 and the first audio o... | 06/14/2011 |
| 7945264 | Mobile station, system and method for use in cellular communications A mobile station (107, 200) for use in a cellular communication system (100) includes a processor (214) operable to determine whether the mobile station should undergo cell re-selection by handover from a first base station (101) to a sec... | 05/17/2011 |
| 7944905 | Method for dynamically identifying locations of mobile nodes in a time division multiple access based ad hoc communication network Disclosed is a method for dynamically identifying locations of a plurality of mobile nodes in a time division multiple access (TDMA) based ad hoc communication network, wherein one or more mobile nodes are being moved in and out of a predefined region. The method co... | 05/17/2011 |
| 7929968 | System and method to facilitate inter-frequency handoff of mobile terminals in a wireless communication network A system and method for facilitating inter-frequency handoff of a mobile node (102) in a wireless communication network (100). The system and method permit a mobile node (102), equipped with a single receiver, to perform handoffs seamlessly from... | 04/19/2011 |