"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8045501 | Method and apparatus for signaling uplink scheduling information A method (300) and apparatus (200) for signaling uplink scheduling information is disclosed. The method may include determining (320) whether an enhanced general packet radio service 2-B mobile device and an enhanced general packet radio service... | 10/25/2011 |
| 8027287 | Apparatus and method for gating transmission of a data rate control channel in an HDR mobile communication system A communication method in a mobile communication system in which an access terminal transmits to an access network DRC information indicating a selected one of forward data rates requested by the access terminal is provided. The access network designates a DRC infor... | 09/27/2011 |
| 8009604 | Transmission-compensated radio channel quality A channel quality of a radio channel between a transmitter and a receiver is detected by the receiver. The channel quality is compensated for an affect of a transmission on the radio channel when the receiver detected the channel quality or an affect of a future tra... | 08/30/2011 |
| 7978642 | System and method for determining air interface information for radio resource management in wireless communications An air interface information unit including a measurement setup unit for implementing measurement setup procedures and configuration; a measurement reception and storing unit for storing actual, predicted and default air interface values and corresponding timestamps... | 07/12/2011 |
| 7961666 | Dynamic link assignment in a communication system An architecture for the dynamic assignment of links in a multi-user communication system. A plurality of information channels are provided in a forward communication link of the communication system for carrying channel information of the plurality of information ch... | 06/14/2011 |
| 7620004 | Methods of power overload control in communication systems Methods of providing power overload control in a communication system having a least one base station serving one or more users of at least one cell are described which may avoid an overload condition in the system. In one aspect, a target signal-to-interference rat... | 11/17/2009 |
| 7460500 | Multicarrier transmission method and apparatus A multicarrier transmission apparatus that achieves both power efficiency in a high-frequency amplifier and quality of transmission signal in a radio transmission system in next-generation mobile communications that supports high speed data packet transmission. In t... | 12/02/2008 |
| 7457259 | Dynamic channel assignment This invention provides interference predictions, suitable for least interference dynamic channel assignment use or other frequency hopping uses by de-coupling the time slot assignment and the frequency hopping pattern assignment. In particular, a least interfered t... | 11/25/2008 |
| 7444169 | Wireless base station apparatus and wireless communication control method A wireless base station apparatus (100) used in a wireless communications system includes a statistical processing unit (140) that performs statistical processing on downlink radio quality information reported from a wireless communications terminal de... | 10/28/2008 |
| 7394780 | Method, apparatus, and system for downstream recovery in a communication network A communication network control method for a communication network including a hub and a plurality of user nodes includes adjusting system parameters to maximize communication data rate and minimize bit error rate given current conditions of the wireless channel, cu... | 07/01/2008 |
| 7376095 | Apparatus and method for measuring a received signal to interference ratio in a mobile communication system An apparatus and method for measuring an SIR in a CDMA mobile communication system. The SIRs and power of PICHs and the power of PDCHs are measured sequentially for a plurality of active set base stations. An active set base station having the highest signal strengt... | 05/20/2008 |
| 7363483 | System for rebooting relay apparatus based on detection of completely no communication establishment data presence A relay apparatus enables automatic execution of the reboot process after a controller has detected a discontinuance of data. Accordingly, data in a communication is reliably prevented from destruction. Moreover, the reboot process can be achieved with simple operat... | 04/22/2008 |
| 7342976 | Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter A digital communications transmitter (100) includes a digital linear-and-nonlinear predistortion section (200, 1800) to compensate for linear and nonlinear distortion introduced by transmitter-analog components (120). A direct-digital-downconver... | 03/11/2008 |
| 7321563 | Apparatus and method for estimating a channel condition of a forward link in a mobile communication system A apparatus and method for estimating a channel condition of a forward link by a mobile station in a mobile communication system including the mobile station and a base station for performing an operation of transmitting/receiving data using a plurality of subcarrie... | 01/22/2008 |
| 7317702 | Method and apparatus for enhancing performance of channel quality indicator (CQI) channel in wireless communications system The channel quality indicator (CQI) transmitted by a mobile terminal to a base station is indicative of the Ec/Nt pilot SNR of the pilot signal transmitted by the base station and measured by the mobile terminal. The base station uses the CQI f... | 01/08/2008 |
| 7305227 | Cost accounting during data transmission in a mobile radiotelephone network A method is provided for accounting of data transmission costs in a mobile radio network with respect to text and/or image data with and without sound, wherein data is assigned an identification signal for the transmission costs, and the identification signal is tra... | 12/04/2007 |
| 7302232 | Adaptive antenna control method and adaptive antenna transmission/reception characteristic control method An adaptive antenna control method is used for a radio communication system built by a plurality of radio base stations and a plurality of terminal stations capable of communicating with the radio base stations. Each radio base station includes an adaptive antenna h... | 11/27/2007 |
| 7298715 | Communication receiver with signal processing for beam forming and antenna diversity The present invention provides a technique to reduce the number of RF components by using digital signal processing functions in wireless receivers having two or more antennas, which results in the reduction of system cost. The reduction occurs by using a multiplexe... | 11/20/2007 |
| 7283836 | Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system An apparatus and method of detecting whether data exists in a received signal while a mobile communication terminal is in discontinuous transmission mode. The apparatus and method comprises generating and transmitting a forward power control command for providing th... | 10/16/2007 |
| 7277405 | Timing recovery and cross talk prevention in the presence of co-channel interference A system for reducing or eliminating cross talk resulting from co-channel interference in TDMA communication systems is disclosed. In general, the system may include one or more enhanced mobile stations sending, to an enhanced base station, base station identifying ... | 10/02/2007 |
| 7263105 | WLAN device and method for interfacing between a MAC sublayer and a physical layer A wireless local area network (WLAN) device (200, FIG. 2) includes a medium access control (MAC) device (204) and a physical (PHY) device (202). The PHY device receives and transmits frames (FIG. 3) over a wireless medium. The MAC ... | 08/28/2007 |
| 7250541 | Method for suppressing narrowband noise in a wideband communication system This invention is used in communications, for example, in expanded signal spectrum broadband communication systems. The technical effect of this invention consists in an enhanced narrow-band interference suppression factor and almost complete elimination of the effe... | 07/31/2007 |
| 7242732 | Carrier based backwards compatible data networking transmitter, receiver, and signal format New version packet data devices support a backwards-compatible signal format. New version devices operate within a first frequency band while old version devices operate within a second frequency band. The first frequency band differs from but overlaps with the seco... | 07/10/2007 |
| 7239886 | Adaptive power control method for cellular systems A method for adaptive power control in a mobile communication system (100) determines (120) whether an RF loading factor (110) is greater than a threshold value. If the RF loading factor is above the threshold value, the method reduces call qual... | 07/03/2007 |
| 7236470 | Tracking multiple interface connections by mobile stations A method and apparatus for communicating between devices is described. In one embodiment, the method comprises allowing a mobile station to have a first connection to a network over a first interface and determining that the mobile station is attempting to have a se... | 06/26/2007 |
| 7236466 | Pulsing the transmit mode for reducing the power when redundancy is involved in transmission The invention relates to a method for power reduction and to a communications system, in particular a radio communications system, which allows such a method. The method for data transmission in a radio communications system having a radio interface between at least... | 06/26/2007 |
| 7234001 | Dormant backup link for OSPF network protection A method and apparatus provides protection against resource failures in Open Shortest Path First (OSPF) networks, without increasing the complexity of the network topology and/or management. An internal router (IR) automatically maintains a back-up link in a dormant... | 06/19/2007 |
| 7231462 | Method of preserving symmetrical routing in a communication system based upon a server farm A method of preserving symmetrical routing in a communication system comprising a server farm connected to the Internet by an Internet access router IAR. The server farm includes at least two customer cabinets each having a WEB server, and at least two firewalls. Th... | 06/12/2007 |
| 7230941 | Preamble channel decoding Rather than attaching a preamble to a data traffic subpacket, a preamble channel is transmitted along with a traffic channel. In a system wherein the data traffic subpackets are variably sized, preambles can also be variably sized if a target station can decode vari... | 06/12/2007 |
| 7227838 | Enhanced internal router redundancy Disclosed are methods and apparatus for providing redundant data forwarding or routing capabilities. In one embodiment, a network device includes a designated router and a non-designated router. The designated router generally provides layer 3 switching or routing f... | 06/05/2007 |
| 7197276 | Downstream adaptive modulation in broadband communications systems A downstream adaptive modulation system and method. The downstream adaptive modulation system comprises a wireless access termination system and one or more wireless modems. The wireless access termination system includes a plurality of queues and a parser. The pars... | 03/27/2007 |
| 7180905 | Access method for periodic contention-free sessions An access method for periodic contention-free sessions (PCFS) reduces interference between overlapping first and second wireless LAN cells contending for the same medium. Each cell includes a respective plurality of member stations and an access point (AP) station. ... | 02/20/2007 |
| 7177299 | Wireless communications apparatus, methods and computer program products using broadcast control channel messaging First and second classes of broadcast information, which have different repetitive rates, are transmitted in repetitive shared blocks of a Packet Broadcast Control Channel (PBCCH) of a General Packet Radio Service (GPRS) wireless communications system. The first cla... | 02/13/2007 |
| 7177287 | System and method for concurrent wireless voice and data communications Unitary transceiving units employ a multiple carrier, time-division-multiple-access (TDMA), time-division-duplex (TDD protocol to conduct concurrent wireless voice and data communications wherein a first transceiving base station unit tethered to a network interface... | 02/13/2007 |
| 7174494 | Method and system for coded null packet-aided synchronization A communication system comprising a transmitter that is adapted to transmit a data signal that is broken into a plurality of time slots. The transmitter inserts communication data into a subset of the plurality of time slots and to create null data representative of... | 02/06/2007 |
| 7174389 | Tandem node system and a method therefor The tandem node system has a first node having an access link connected to a first port group of a first customer and a first network link connected to a first router. A second node has an access link connected to the first port group of the first customer and a fir... | 02/06/2007 |
| 7164671 | Overlapping network allocation vector (ONAV) for avoiding collision in the IEEE 802.11 WLAN operating under HCF The present invention is related to a medium access control (MAC) protocol for avoiding collisions among ESTAs when two or more overlapping basic service sets (OBSSs) co-exist and operate in the same channel. To achieve this, each mobile station operating under HCF ... | 01/16/2007 |
| 7158563 | Dynamic digital communication system control Methods, apparatus and systems for dynamically controlling a digital communication system, such as a DSL system, collect information about digital communication lines in the system and adaptively and/or dynamically determine line and signal characteristics of the di... | 01/02/2007 |
| 7158802 | Method and apparatus for providing a highly reliable ACK/NACK for time division duplex (TDD) and frequency division duplex (FDD) An ACK/NACK method and system for use in time division duplex (TDD) and frequency division duplex (FDD) systems. In high speed downlink packet access (HSDPA), based on the assignment of timeslots for the high speed shared information channel (HS-SICH), each user equ... | 01/02/2007 |
| 7151951 | Using beamforming and closed loop transmit diversity in a multi-beam antenna system In controlling a multi-beam antenna system for downlink wireless communication, beamforming and closed loop transmit diversity signaling are combined. Each beam signal is adjusted at the transmitter based on feedback from a wireless mobile communication station such... | 12/19/2006 |