William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8189536 | Delivery of data packets via aggregated spatial distribution overlay on a mesh network A plurality of interactive modules are disposed at spaced locations to form an adaptive wireless network. Each module is capable of receiving transmissions of messages or data packets from other modules, and of transmitting messages or data packets to other modules ... | 05/29/2012 |
| 8189538 | Reconfiguration of a communication system A communication system is described. In one embodiment, the communication system comprises a mobile station having a transmitter to transmit packets wirelessly according to a protocol and multiple repeaters communicably coupled with the mobile station. Each of the p... | 05/29/2012 |
| 8189537 | Method for reconfiguring radio link in wireless communication system There is provided a method for enabling a user equipment to reconfigure a radio link in a wireless communication system. The method includes receiving a radio link reconfiguration message by a higher layer, requesting a lower layer to respond to the radio link recon... | 05/29/2012 |
| 8179862 | Method for preventing co-channel operation with radar systems A method for preventing co-channel operation with a radar system includes the steps of setting a state of a first communication channel to active, connecting to a first wireless access point on the first communication channel, passively scanning at least a second co... | 05/15/2012 |
| 8179863 | Wireless communication apparatus and method A wireless communication apparatus comprises a determination unit to determine whether to increase the number of reference signals to be included in a downlink signal based on an uplink signal. The wireless communication apparatus further comprises a mapping unit to... | 05/15/2012 |
| 8175062 | Method and station for transmitting data in a radio communication system In a communication system, a first transmitting station transmits a transmission signal to a first receiving station for transmitting a sequence of data via a radio interface. The radio interface is monitored with respect to an interference signal from an interferen... | 05/08/2012 |
| 8175061 | Path loss polygon positioning The present invention introduces methods and devices for provision of position determination assisting data as well as methods, devices and systems for performing position determinations based on this assisting data. The position determination assisting data compris... | 05/08/2012 |
| 8169974 | Suspending transmissions in a wireless network A method of increasing operational safety of a wireless communication network operating in a process control environment and having a plurality of network devices includes detecting a first triggering condition associated with an increased operational risk due to a ... | 05/01/2012 |
| 8169975 | Method for reserving propagation time by estimating channel environment in wireless personal area network Provided is a method for reserving a propagation time by estimating a channel environment in a wireless personal area network. The method includes the steps of: a) measuring a propagation range to the reception station upon starting data transaction with the recepti... | 05/01/2012 |
| 8169973 | Power efficient enhanced uplink transmission A method and arrangement in a mobile terminal such as a UE for selecting a transport format for an uplink transmission to a base station, wherein the selector selects a transport format from a set of transport formats which are generated based upon parameters of a r... | 05/01/2012 |
| 8165095 | System and method to improve RF simulations A system (100) and method (400) for improving Radio Frequency (RF) Antenna Simulation is provided. The method can include determining (402) a proximity of an antenna (250) to a scattering structure (210), determining (410) a... | 04/24/2012 |
| 8165096 | Methods and systems of improved success rate for decoding downlink map and uplink map IES in mobile WIMAX mobile Methods and apparatus for decoding MAP information elements (MAP IEs) in an orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) frame, even when the received downlink (DL) or uplink (UL) MAP message cyclic redun... | 04/24/2012 |
| 8160027 | Uplink power control Uplink power control is provided to maintain the integrity of the uplink HS-DPCCH when the UE goes into SHO. The target pilot SNR threshold is controlled by considering the pilot signal strength of the serving Node-B and/or the uplink channel condition of the servin... | 04/17/2012 |
| 8149790 | Bi-directional handover method and apparatus Apparatus for bi-directional handover are disclosed. An apparatus configured to perform handover from a wireless code division multiple access (WCDMA) to a wireless broadband (WiBro) network is disclosed. An apparatus configured to perform handover from a WCDMA netw... | 04/03/2012 |
| 8139543 | Coverage-hole detection and self healing A system, apparatus and techniques for detecting and self-healing coverage hole conditions in a wireless network are disclosed. The apparatus includes a monitor module that is configured in a data forwarding plane of a network switch and a regulatory module configur... | 03/20/2012 |
| 8139542 | Cell timing acquisition in a W-CDMA hard handover Cell timing is detected by first trying to detect a target handover cell through detecting a primary synchronization channel (P-SCH) followed by a common pilot channel (CPICH). If that fails, N number of retrials is performed using a full-window search on the CPICH.... | 03/20/2012 |
| 8134976 | Channel calibration for a time division duplexed communication system Techniques to calibrate the downlink and uplink channels to account for differences in the frequency responses of the transmit and receive chains at an access point and a user terminal. In one embodiment, pilots are transmitted on the downlink and uplink channels an... | 03/13/2012 |
| 8134978 | Integration of 802.21 media independent handover functionality to radio interface layer and telephony server A radio interface layer media independent handover (RIL MIH) client functionality enables transparent inter-system handover of a wireless transmit/receive unit (WTRU) between different radio access technologies (RATs), without user intervention. The RIL MIH client i... | 03/13/2012 |
| 8134977 | Tune-away protocols for wireless systems Systems and methods are provided for processing wireless signal components for a mobile wireless access broadband service. This can include processes for defining a protocol that controls whether to invoke a tune away component to determine an alternative wireless c... | 03/13/2012 |
| 8125961 | Four way handshake for robust channel estimation and rate prediction Systems and methodologies are described that facilitate enabling communication over a time varying channel with time varying interference. According to various aspects, systems and methods are described that facilitate selecting appropriate channels and identifying ... | 02/28/2012 |
| 8125962 | Anonymous uplink measurement report in a wireless communication system In a mobile terminal of a wireless communication system, such as UMTS or any future communication system, the actual reception quality of data received on a broadcast channel, such as BCCH or MTCH, is measured. Based on the measurement result, a report is prepared a... | 02/28/2012 |
| 8121094 | Method for managing cross-layer handover Provided is a method for managing a cross-layer handover. The method includes the steps of: managing a predetermined number of neighbor cells as a handover candidate set based on signal strength and route estimation; transmitting a Measurement Report message having ... | 02/21/2012 |
| 8107438 | Method for initiating handoff of a wireless access terminal based on the reverse activity bit Methods are disclosed for initiating a handoff of a wireless access terminal based on a set of one or more factors including the determined value of the Reverse Activity Bit (RAB). The set of one or more factors may also further include (i) a determined round-trip d... | 01/31/2012 |
| 8107440 | Transport network congestion control for enhanced uplink communications For a mobile radio connection having at least two uplink flows, a determination is made whether one of the uplink flows from a non-serving cell has a better radio link quality than another of the uplink flows from a serving cell. A congestion condition in the radio ... | 01/31/2012 |
| 8107439 | Method and apparatus of physical resource allocation, method of data receiving, and receiving end The present invention discloses a method and apparatus of physical resource allocation as well as a method of data receiving and a receiving end in a wireless communication system. The method of physical resource allocation includes: detecting a pilot signal sent by... | 01/31/2012 |
| 8102818 | Pilot grouping in wireless communication networks Systems and techniques for grouping channels, such as pilots, are described. In one aspect, a method includes receiving transmissions of two or more pilot signals at an access terminal of a wireless communications network that includes an access node, based on chara... | 01/24/2012 |
| 8098630 | Scanning methods and apparatus for system acquisition In one illustrative example, a system acquisition method suitable for use in W-CDMA utilizes a receiver having an automatic frequency control (AFC) circuit. A system acquisition scan is performed over a plurality of candidate frequencies in an RF band. During the sy... | 01/17/2012 |
| 8094623 | Method and apparatus for choosing a sector based on a scaled forward link metric Methods and apparatus for selecting a serving sector in a high rate data (HDR) communication system are disclosed. An exemplary HDR communication system defines a set of data rates, at which a sector of an Access Point may send data packets to an Access Terminal. Th... | 01/10/2012 |
| 8089939 | Predictive roaming by a wireless LAN client station The present disclosure provides for a user equipment (UE) for use in a wireless computer network that has multiple wireless access points (APs). The UE can include a wireless transceiver that communicates with the computer network, a link quality assessor that asses... | 01/03/2012 |
| 8089938 | Method of synchronizing with an uplink channel and a method of determining a propagation delay in a wireless communications system A method of synchronizing with an uplink channel and a method of determining a propagation delay in a wireless communications system are provided. In the example method of synchronizing, a propagation delay between a target base station and a mobile station is calcu... | 01/03/2012 |
| 8085732 | Wireless communication terminal and roaming method A wireless communication terminal roaming from a current access point (AP) to a destination AP within a plurality of APs includes various functional modules. The wireless communication terminal detects a current service quality parameter of each of the plurality of ... | 12/27/2011 |
| 8077677 | Method and apparatus for paging group handling A method and apparatus for paging group handling includes grouping wireless transmit/receive units (WTRUs) into a paging group. The paging group is assigned a paging occasion, and an existence of a page is indicated to the WTRUs. ... | 12/13/2011 |
| 8077676 | System and method for wireless channel sensing System and method for wireless channel sensing. According to an embodiment, the present invention provides a method of determining band availability for a WRAN. The method includes receiving wirelessly analog signals within a predetermined range of frequencies. The ... | 12/13/2011 |
| 8072940 | Controlling method and data call handover method for dual band/dual mode mobile communication terminal In the data call handover method, the mobile communication terminal registers a Mobile Internet Protocol (MIP address) through an asynchronous mobile communication network and receives data call service when a data call connection event is initiated by the mobile co... | 12/06/2011 |
| 8064405 | Tune-away protocols for wireless systems Systems and methods are provided for processing wireless signal components for a mobile wireless access broadband service. This can include processes for defining a protocol that controls whether to invoke a tune away component to determine an alternative wireless c... | 11/22/2011 |
| 8064406 | Method of transmitting channel quality indicator in wireless comunication system A method of transmitting a channel quality indicator (CQI) includes obtaining CQIs for each of a plurality of sub-bands, a sub-band comprising a plurality of sub-carriers, dividing the plurality of sub-bands into a plurality of layers according to a CQI of a sub-ban... | 11/22/2011 |
| 8059605 | Apparatus and method for estimating cell load in wireless communication system An apparatus and method for estimating a cell load in a wireless communication system are provided. The apparatus includes a ranging response counter, a load estimator, an FA handover determiner, a data rate determiner, and a handover determiner. The ranging respons... | 11/15/2011 |
| 8059604 | System and method of measuring heterogeneous network mobile communication apparatus and recording medium thereof A signal measurement method for a mobile communication apparatus supporting multiple transmission interfaces to perform communication transmission in a heterogeneous network environment, system and a recording medium thereof. Changes in the signal strength of an act... | 11/15/2011 |
| 8054808 | Controlling interference in a wireless communication system A method and apparatus for controlling interference in a wireless communication system includes a first step of performing 500 a handoff measurement of a signal parameter for a current site and for nearby sites, and performing 502 a comparison of the s... | 11/08/2011 |
| 8045527 | Load estimation for a cell in a wireless network The invention is directed towards a method of estimating the load on a cell in a wireless network as well as to a cell load estimating device. According to the invention a 5 determination (46) is made of a value (R) indicative of the degree of use, by a mobil... | 10/25/2011 |