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Patent # Description
US-8,068,437 Determining the effects of new types of impairments on perceived quality of a voice service
Empirically derived models are used to relate user perception to objectively measurable characteristics, under a criterion of nearly perfect co-variance between...
US-8,068,436 Methods and systems for estimating network available bandwidth using packet pairs and spatial filtering
Estimation of available bandwidth on a network uses packet pairs and spatially filtering. Packet pairs are transmitted over the network. The dispersion of the...
US-8,068,435 Rate adaptive modem
A communication system transmitting signals over a network using a transmission waveform in which a plurality of data packets are transmitted in a payload field...
US-8,068,434 Network infrastructure capability detection
A system to discover a network infrastructure capability includes one or more subsystems to establish a communication path between a first endpoint and a second...
US-8,068,433 Low power operation of networked devices
Methods of reducing power consumption of networked devices are described. When a main processor and associated hardware in a computing device is powered down, a...
US-8,068,432 Priority-based network fault analysis
A method and system for reducing fault analysis times in a network having a plurality of pollable objects. Poll responses are received from pollable objects,...
US-8,068,431 System and method for deep packet inspection
IP networks carry packets that consist of headers and payloads. Typical traffic analysis systems at layer 3 process packet headers in order to obtain as much...
US-8,068,430 High quality timing distribution over DSL without NTR support
A method and system in which a Digital Subscriber Line Access Multiplexer (DSLAM) that is part of a DSL (Digital Subscriber Line) system is able to provide...
US-8,068,429 Transmit scheduling
There are disclosed apparatus and methods for scheduling packet transmission. At least one scheduled traffic queue holds a plurality of scheduled packets, each...
US-8,068,428 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...
US-8,068,427 Dynamic channel quality reporting in a wireless communication system
Techniques for reporting channel quality indicators (CQIs) are described. Data activity at a receiver may be determined, and CQI reporting by the receiver may...
US-8,068,426 Feedback-based online network coding
A method, apparatus and computer program product for feedback-based online network coding is presented. In one embodiment, a transmitting node determines a...
US-8,068,425 System and method for using network performance information to determine improved measures of path states
A method of determining the state of a path in a network includes measuring at a node of the network a rate of throughput over an interval for at least a...
US-8,068,424 Message transmission in wireless access system
A method for transmitting messages to alter the operating status between a mobile station and a base station in a wireless access system comprises, at the...
US-8,068,423 Packet scheduling system for digital video broadcasting
A system and method for processing multiple client flows to a single outbound link is provided. Specifically, a scheduler enforces a maximum symbol rate on the...
US-8,068,422 Arrangement and method relating to handling of IP traffic
The present invention relates to an arrangement for controlling communication of data packets through one or more communication networks or network domains. It...
US-8,068,421 Arrangement and method for session control in wireless communication network
An arrangement and method for session control in a wireless UMTS radio access network (100) by performing creation and deletion of application-specific packet...
US-8,068,420 Temporal slaving device
The invention relates to a device for temporal slaving in a packet data transmission network, each data packet comprising a time label, comprising means of...
US-8,068,419 System and method for transmitting video, audio, and data content using a fiber optic network
The present invention is directed to a system and method for controlling a data transmission network, and in particular, to a fiber optic broadcast quality...
US-8,068,418 Information processing apparatus
According to an aspect of the invention, there is provided an information processing apparatus including a dividing unit configured to divide coded audio data...
US-8,068,417 System, method, and computer program product for processing flow requests based on an associated preference...
A router system, method and computer program product are provided. In use, a flow request is received. In addition, the flow request is processed based on one...
US-8,068,416 System and method of communicating a media stream
In an embodiment, a method of allocating media streams includes measuring real-time port usage data related to each of a plurality of physical ports associated...
US-8,068,415 Secure one-way data transfer using communication interface circuitry
Network interface circuitry for a secure one-way data transfer from a sender's computer ("Send Node") to a receiver's computer ("Receive Node") over a data...
US-8,068,414 Arrangement for tracking IP address usage based on authenticated link identifier
Link layer authentication information is supplied by a link layer authentication device to an access router for tracking IP address usage by a client device....
US-8,068,413 Overload control method for access media gateway and corresponding access media gateway
The present invention provides an overload control method for an access media gateway and the corresponding access media gateway. The access media gateway...
US-8,068,412 Link selection schemes for avoiding channel contention
A connection in an optical communication system is routed over a sequence of cross-connects and aggregated links comprising multiple links. A different link...
US-8,068,411 Method and apparatus to compute local repair paths taking into account link resources and attributes
A technique for calculating local repair paths through a computer network using one or more dynamically measured parameters in place of, or in addition to,...
US-8,068,410 Bias correction for scrubbing providers
A decision about provider quality based on a quality metric observed says little about the quality of the provider. Further, the decision may be biased by a...
US-8,068,409 Fast OSPF inactive router detection
A fast OSPF inactive router detection technique is provided that detects the failure of a router and switches routing to an alternate router. The alternate...
US-8,068,408 Softrouter protocol disaggregation
A SoftRouter architecture deconstructs routers by separating the control entities of a router from its forwarding components, enabling dynamic binding between...
US-8,068,407 Group MMSE-DFD with order and filter computation for reception on a cellular downlink
The present method resides in a user destination receiver to exploit the structure of the transmitted signals to design filters that yield improved performance....
US-8,068,406 Method and system for crosstalk cancellation
Signals propagating in one communication channel can generate crosstalk interference in another communication channel. A crosstalk cancellation device can...
US-8,068,405 Ferroelectric memory and method in which polarity of domain of ferroelectric memory is determined using ratio...
Methods and arrangements for data storage are discussed. Embodiments include applying a first voltage between a tip and an electrode, thereby forming a...
US-8,068,404 Signal value holding apparatus, signal value holding method, signal value control system, signal value control...
A signal apparatus is provided. The signal value holding apparatus including a determining section to determine a magnitude relationship between a signal value...
US-8,068,403 Optical head
To provide an optical head to produce good servo and read signals by reducing the influence of interference by light reflected from a non-read layer of a...
US-8,068,402 Optical head, optical disc device, computer, optical disc player and optical disc recorder
An optical head is provided with a light source for outputting laser light having a wavelength of 430 nm or less; an objective lens for collecting the laser...
US-8,068,401 Objective optical system and optical information recording/reproducing device having the same
There is provided an objective optical system used for information recording/reproducing for three types of optical discs. The objective optical system includes...
US-8,068,400 Method of recording information on a multilayer record carrier, and device for recording on a dual layer record...
Recordable DVD+R and DVD+R/W optical discs with two (or more) information layers are developed to double the data storage capacity and video recording time. A...
US-8,068,399 Signal evaluation method and signal evaluation apparatus
A signal evaluation method according to the present invention is a method for evaluating a read signal, retrieved from an information recording medium, based on...
US-8,068,398 Recording method for optical recording medium and recording apparatus
A recording method suitable for high-density recording is provided. When information is recorded on an optical recording medium with irradiation of a write...
US-8,068,397 Recording apparatus and recording method for recording position information of user data
In a write once type optical disc, when ejecting the disc and turning power OFF, it is necessary to update record management data on the disc so that the record...
US-8,068,396 Method for adjusting tilt of optical pick-up head
A method for adjusting a tilt of an optical pick-up head includes the steps of: moving the optical pick-up head to a first location and focusing on; obtaining a...
US-8,068,395 Recording device and method of adjusting laser power
A recording device including: an optical head section for irradiating a recording medium with laser to record and reproduce information; a laser driving section...
US-8,068,394 Recording method of optical disc drive
The invention is to provide a recording method of an optical disc drive, which first calibrates the write power with minimum recording speed, adjusts write...
US-8,068,393 Optical disc apparatus including a divided photodetector
An optical disc apparatus includes an emitter which emits a laser beam to a optical disc, a divided photodetector including a first dived portion and a second...
US-8,068,392 Recording method, recording apparatus, and recording medium
A recording method is provided, which comprises the steps of (a) generating a plurality of pulse sequences corresponding to a plurality of linear velocities,...
US-8,068,391 Optical recording/reproducing method, system, and program
An optical recording/reproducing system 1 reads a recorded signal written to a recording track of a recording medium 3 by light. The light is modulated by a...
US-8,068,390 Information recording device
An information recording device is provided, which is capable of performing physical reformatting at a high speed while avoiding unnecessary substitution...
US-8,068,389 Tracking error signal detection device and optical disc apparatus
A tracking error signal detection device employing a differential phase detection method includes first and second differentiators which remove direct current...
US-8,068,388 Optical pick up and optical disc device having optical shield for suppressing the influence of stray light...
An optical pickup according to the present invention includes: a light source 1d for irradiating an optical disk 4 with light; a lens 3 for converging the light...
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