Jitter measuring apparatus, jitter measuring method and test apparatus
There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement, having a pulse generator for outputting a pulse signal having...
Communication circuit for a bi-directional data transmission
A communication circuit for providing a bi-directional data transmission over a signal line, thereby receiving a first digital data stream and transmitting a...
Orthogonal frequency division multiplexing (OFDM) digital radio frequency
A digital radio frequency (RF) transceiver circuit comprises circuitry that is adapted to select between a transmitter input signal (148) and a receiver input...
Robust iterative linear system solvers
In receiving equipment such as a mobile terminal (1) for decoding received signals coded according to a CDMA method are decoded in an intermediate processor...
Authenticating a signal based on an unknown component thereof
Authentication of a signal, signal.sub.A, that is provided as having been received from a source at a first global location by comparing it to a signal that is...
Receiver for GPS-like signals
A module for receiving a plurality of signals that are modulated with a common carrier, where each of the signals includes information that enables a...
Scaling in a receiver for coded digital data symbols
Coded digital data symbols sent through a transmission channel of a communications network are received in a receiver. Estimates (y) represented by a first...
Method and apparatus for eliminating narrow band interference by means of
windowing processing in spread...
A device and method for eliminating narrow-band interference by windowing in a spread spectrum system are disclosed. The method comprises extracting N sampling...
Signal acquisition in a wireless communication system
Each base station transmits a TDM pilot 1 having multiple instances of a pilot-1 sequence generated with a PN1 sequence and a TDM pilot 2 having at least one...
Surface emitting laser manufacturing method, surface emitting laser array
manufacturing method, surface...
Provided is a surface emitting laser manufacturing method, etc., which reduces process damage occurring to a surface relief structure, enabling stable provision...
Quantum cascade laser
A quantum cascade laser includes a semiconductor substrate, and an active layer which is provided on the semiconductor substrate, and has a cascade structure in...
Semiconductor optical element
A semiconductor optical element has an active layer including quantum dots. The density of quantum dots in the resonator direction in a portion of the active...
Semiconductor optical device
A purpose is to provide a semiconductor optical device having good characteristics to be formed on a semi-insulating InP substrate. Firstly, a semi-insulating...
Solid-state laser element
To achieve a solid-state laser element capable of outputting a high-power laser, in a planar waveguide type solid-state laser element that causes a plurality of...
Submounts for Semiconductor Lasers
A submount for a semiconductor laser. The submount has a layer of silicon carbide (SiC) and a layer of aluminum nitride (AlN) deposited on the layer of SiC. The...
Laser gain medium and laser oscillator using the same
A laser gain medium includes an optical medium configured to transmit a laser beam and having an incident face, a first face, a second face opposing to the...
Hyper dispersion pulse compressor for chirped pulse amplification systems
A grating pulse compressor configuration is introduced for increasing the optical dispersion for a given footprint and to make practical the application for...
Laser source that generates a plurality of alternative wavelength output
A laser source (10) for emitting a set of sequential, different wavelength output beams (12) includes a gain medium (16), a feedback assembly (26) and a control...
Method for generating a laser pulse for the fine machining of workpieces
using a fiber laser
Method for generating a laser pulse for the fine machining of workpieces using a fiber laser, the laser fiber of which is optically pumped by use of at least...
Method and system to use, share and manage digital content by assigning
MAC and IP adress to each device and...
The invention shows a method for connecting and sharing content over a plurality of devices, and over a plurality of networks public and private while...
Method and device for virtual concatenation transmission
In a method and a device for virtual concatenation transmission which multiplex traffics of low-speed frames into a high-speed frame based on a virtual...
Digital E8-VSB reception system and E8-VSB data demultiplexing method
A method of processing a digital television (DTV) signal is disclosed. Herein, the DTV signal is generated by performing Reed-Solomon (RS) encoding on...
Method and system for exchanging media and data between multiple clients
and a central entity
The invention provides a system and a method for synchronizing cable modems, the method includes the stages of: (i) generating, at a media access control...
Faster multimedia synchronization of broadcast streams using router
caching of RTCP packets
Synchronization of a multimedia broadcast can be achieved by enabling network devices to re-send saved RTCP packets upon a client's join request.
Efficient bandwidth utilization when streaming data over multiple network
Adjusting utilization of network bandwidth by a non-time critical data stream being sent from a sending endpoint to a receiving endpoint, wherein both of the...
Determining load measure for network element
The specification and drawings present a new method, system, apparatus and software product for determining (e.g., calculating) a load measure by a network...
Efficient utilization of cache servers in mobile communication system
A data center includes an individual storage unit having storage areas for respective user apparatuses, a shared storage unit having a storage area for sharing...
Method and apparatus for sending feedback for a downlink shared service
and estimating a number of wireless...
A method and an apparatus for sending a signal on a contentious feedback channel for a downlink shared service and for estimating a number of wireless...
Demodulation apparatus for efficiently embodying adaptive modulation and
coding method in OFDMA based packet...
Disclosed is a demodulation apparatus for receiving signals by an adaptive modulation and coding method, and demodulating the signals, in an OFDMA based packet...
Digital broadcast system, and data processing method
A digital broadcast system having storing resistance to errors generated during the transmission of mobile service data, and a data processing method are...
Electronic circuit with processing units coupled via a communication
A two-way network interface is provided for both sending transmission messages and receiving reception messages between a pair of processors through a network....
Method and system for conveying backhaul link information for intelligent
selection of a mesh access point
A method and system for conveying backhaul link information for intelligent selection of a mesh access point (MAP) in a mesh network are disclosed. The mesh...
Signaling apparatus and signaling method
A signaling apparatus is applied to a node constituting a network including internal network to network interface (INNI) domains having INNI interfaces between...
Communications network bridge and a communications system comprising such
A bridge for linking a first communications network to a second communications network is taught. The bridge comprises a first bridge module linked to the first...
A one-way router combines benefits of a network diode and router, and thus can route data between networks of varying confidentiality and/or integrity in a...
Network packet steering via configurable association of processing
resources and netmods or line interface ports
Methods and systems are provided for steering network packets. According to one embodiment, a mapping associates a processing resource with a network interface...
Method and apparatus for enabling persistent connections with wireless
The invention comprises a method and apparatus for establishing a persistent connection between a user device and a service gateway. Specifically, the method...
System and method for real-time correlation of AAL2 and AAL5 messages for
calls in UTRAN
System and method for correlating multiple frames of data associated with a single call into a call record. One embodiment comprises correlating data in a radio...
Node device, packet control device, radio communication device, and
transmission control method
A conventional node 3 divides an IP packet into data fragments and prepares a packet for RAN 9 transmission. There has been a problem that, since a RAN 6 cannot...
Optimized tunneling methods in a network
A method for minimizing tunnels in a network, apparatus and computer-readable storage medium having computer readable code stored thereon for programming a...
Computer readable record medium on which data communication load
distribution control program is recorded and...
Highly flexible trunking is actualized by using a switching hub without a trunking function. A computer generates a distribution algorithm notification packet...
System and method for prioritization of retransmission of protocol data
units to assist radio-link-control...
A medium access control (MAC) architecture reduces transmission latency for data block retransmissions. A plurality of data blocks are received and temporarily...
Method and apparatus for radio communication
A radio communication apparatus add an information element (ACK/NACK information element) indicating a reception result of a received signal of a transmission...
Mechanisms for data rate improvement in a wireless network
A wireless network arrangement includes a host device in communication with a wireless network module (e.g., an ultrawideband (UWB) module, etc.) through a...
Method and apparatus for robust local mobility management in a mobile
A method and apparatus for robust mobility management in a network having a mobile node (MN), a mobility anchor point (MAP), a correspondent node (CN1, CN2), a...
Method and apparatus of joint-registering in multicast communication
The present invention provides a method and apparatus for registering to a designated router in a rendezvous point in an anycast group in a multicast...
Transport of control and data traffic for multicast virtual private
Principles of the invention are described for providing multicast virtual private networks (MVPNs) across a public network that are capable of carrying...
Methods for reliable multicasting in local peer group (LPG) based vehicle
ad hoc networks
A method for routing a multicast message comprising the steps of receiving a multicast message including at least a message, a source identifier, a sequence...
Methods and systems for multicast group address translation
Methods and systems for multicast group address translation are disclosed. A method includes receiving a request for data source content from a multicast group...
Personal area network with automatic attachment and detachment
A network (100) includes a hub device (110) and at least one unattached peripheral device (120). The unattached peripheral device (120) transmits an attach...