U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Sam, Phirin


Primary examiner statistics: 586 patents; average approval time: 586 days
Assistant examiner statistics: 247 patents; average approval time: 1158 days

Patents as Primary Examiner

1                      
NumberTitleIssue Date
8189588Flow resiliency
In an example embodiment, packets for a selected flow are replicated and sent over one or more diverse paths, such as a primary path and at least one secondary path, to a destination switching device. At the destination switching device, one copy of the replicated p...
05/29/2012
8184711Image processing device and image processing method
To stop the decline of the quality of image associated with encoding. The present invention multiplies a decoding rescaling factor (RFr) possibly used in the decoding process by only a transformation matrix (D), which is scale change, to calculate a rescaling factor...
05/22/2012
8179983Video processing system with layered video coding for fast channel change and methods for use therewith
A video processing system includes a video encoder that encodes a video stream into a independent video layer stream and a first dependent video layer stream based on a motion vector data or grayscale and color data. ...
05/15/2012
8175103Dynamic networking of virtual machines
The invention is directed to the use of Provider Backbone Bridging (PBB) technology with Shortest Path Bridging, also called Provider Link State Bridging (PLSB) technology in the context of data centers and virtualized physical servers infrastructures. Virtual serve...
05/08/2012
8169914Method and node for transmitting data over a communication network using negative acknowledgment
A method of transmitting data over a communication network using negative acknowledgment is presented. In the method, a stream of data packets is transmitted from a first node of the network to a second node of the network. All but at least two of the stream of data...
05/01/2012
8169916Multi-platform video delivery configuration
A system and a method are disclosed for delivering a video to a destination device using multiple sources and multiple protocols. The video can be on demand or a live video. A video is divided into several chunks distributed across devices and servers in the network...
05/01/2012
8165121Fast computation of loop free alternate next hops
A network device includes a route selection module configured to select an alternate next hop to use in forwarding network traffic to a destination in the event a primary next hop becomes unavailable, wherein a path to the destination device associated with the alte...
04/24/2012
8165125Apparatus and method of classifying packets
The present invention relates to an apparatus and method of classifying packets that can support a quality of service (QoS) in a network system. An apparatus for classifying packets according to an exemplary embodiment of the present invention includes: a first unit...
04/24/2012
8165136Virtual port based SPAN
Methods and apparatus for performing SPAN for a virtual port are disclosed. Specifically, a frame is received from a first port. The frame or a copy thereof is transmitted to a second port, where the second port is identified in a header of the frame. At least one o...
04/24/2012
8160004Method for optimizing spatial diversity gain of a set of nodes used for cooperative sensing
A group of nodes used for sensing in a cooperative sensing communication system (100) are selected from nodes (104-112) associated with a base station (102) operating in secondary communication mode. The group has a spatial diversity gain...
04/17/2012
8160157Video H.264 encryption preserving synchronization and compatibility of syntax
A method for encrypting data exchanged between an encoder and a decoder in a video system is disclosed. A set of bits which, when encoded, do not have any influence upon the decoding stage, are determined during the encoding stage. At least one part or all of the bi...
04/17/2012
8160078Inter-local peer group (LPG) routing method
An on-demand method of routing data between a plurality of local peer groups (LPG). Each LPG includes a plurality of moving nodes. The method comprises transmitting a route request message from a source node, relaying the route request message to a native boundary n...
04/17/2012
8155034Prioritized and piggy-backed ACK/NACK reports
A method (200) for a cellular system (100), with an RBS (120) which controls a cell (110) with User Equipments UE (130, 140). The RBS and the UEs exchange data which may comprise sequence numbers, and exchange reports on whether or...
04/10/2012
8155131Method, system and router for communication between IP devices
A method for communication between IP devices is provided. The method includes: receiving a dynamic routing protocol control packet sent by each of actual physical routers in a virtual router; obtaining a virtual IP address according to the dynamic routing protocol ...
04/10/2012
8155186Bit stream recording medium, video encoder, and video decoder
A conventional coding method has a problem that, for frame-by-frame reverse playback, data must be once decoded in a forward direction and thus a larger volume of data must be processed and a larger volume of memory is required. By recoding a forward predicted pictu...
04/10/2012
8155020Policy control and charging (PCC) rules based on mobility protocol
Techniques for supporting policy control and charging (PCC) functions in a wireless communication network are described. In one design, a Policy Control and Charging Rules Function (PCRF) may receive a request from a first network entity (e.g., a home agent) to esta...
04/10/2012
RE43305Transmission system for OFDM-signals with optimized synchronization
The present invention relates to a transmission apparatus for transmitting OFDM-signals comprising modulation means 4 for modulating said signals onto a plurality of subcarriers using a OFDM-modulation method, transformation means 5 for transforming sa...
04/10/2012
8149788Wireless handoffs based upon activity correlation
What is disclosed is a method of operating a wireless communication system. The method includes exchanging communications for a session between a wireless communication device and a destination through a serving access node, receiving a handoff request to handoff th...
04/03/2012
8149747Power saving operation of always-connected wireless roaming
Methods and apparatuses enable maintaining wireless connectivity while the wireless client device is in a power save mode. The system includes a host operating system (OS) that handles wireless connections while the device is executing in normal operation, and an em...
04/03/2012
8144687Method, apparatus and system for establishing a direct route between agents of a sender node and a receiver node
In the present technique of a communication system (100), an address of a forwarding agent (114) linked to a receiver node (112) is detected to provide a discovered address. The discovered address is then used to establish a direct route with th...
03/27/2012
8144720Uplink radio resource allocation in the presence of power limited users
A base station in an OFDMA system which determines a modulation and coding scheme to use for a packet of a certain size to be transmitted by a Mobile Station. The base station schedules transmissions by mobile stations and transmits packets. The base station include...
03/27/2012
8144780Detecting visual gestural patterns
A processing device and method are provided for capturing images, via an image-capturing component of a processing device, and determining a motion of the processing device. An adaptive search center technique may be employed to determine a search center with respec...
03/27/2012
8144770Apparatus and method for encoding moving picture
Provided are moving picture encoding apparatus and method skipping intra prediction in encoding mode determination using rate-distortion (RD) costs and determining an encoding mode at high speed. The moving picture encoding method includes the steps of: setting the ...
03/27/2012
8139648Image processing apparatus and image processing method
A basic pattern generating unit 81 generates a film grain basic pattern 86 in which the histogram of random noise is substantially the same as the film grain basic pattern information 53. The film grain basic pattern 86 is of (64×64) pix...
03/20/2012
8139595Packet transfer in a virtual partitioned environment
A computer implemented method, computer product code, and data processing system are provided for transferring data between virtual partitions. A request is received to transfer a packet from a first partition to a second partition. A free buffer is identified from ...
03/20/2012
8139565Telecommunications system and method for connecting a CSTA client to several PBXS
The presently disclosed Demultiplexer Application associated with a server or other processor (S) (collectively “Demultiplexer”) enables a computer telephony Client Application (CA), for example a Computer-Supported Telecommunications Application (CSTA) Client A...
03/20/2012
8139643Motion estimation apparatus and method for moving picture coding
Provided is a motion estimation apparatus for moving picture coding. The apparatus includes a 1-pel buffer for storing 1-pel unit pixels using luminance signals of a reference frame which correspond to macroblocks of a current frame, a 1-pel estimator for calculatin...
03/20/2012
8140927Method and system for reliable multicast data transmission
Provided is a method and system for reliably multicasting a data transmission from a server to one or more clients, which may be connected via a control channel and a multicast data channel. In one example, the method includes sending a first data transmission to th...
03/20/2012
8135015System and method of transmitting and receiving data frames
A method of transmitting a data frame is disclosed and may include transmitting a preamble, transmitting a physical layer convergence protocol (PLCP) header, and transmitting a plurality of MAC protocol data units (MPDUs). Each MPDU may be configured to reset a conv...
03/13/2012
8135066Control of data processing
Data processing apparatus arranged to receive successive images from a video camera and to receive audio data from a microphone comprises means for detecting inter-image motion in the video images; means for detecting audio signals in the associated audio data satis...
03/13/2012
8130832Video decoding device and video decoding method
A video decoding device includes: a decoder that decodes an encoded video bit stream to generate a prediction error signal; a motion compensator that performs a motion compensation prediction using a motion vector that refers at least one picture to generate a motio...
03/06/2012
8130673Systems and methods for using predefined network addresses in wireless sensor networks
The present disclosure generally pertains to systems and methods for using predefined network addresses in wireless sensor networks. In one exemplary embodiment, a system comprises a first node and a plurality of nodes defining a wireless sensor network. The wireles...
03/06/2012
8130754On-chip and chip-to-chip routing using a processor element/router combination
A system and method is shown for on-chip and chip-to-chip routing. The system and method includes a processor element residing on a processor die to process a data packet received at the processor die. The system and method also include a router residing on the proc...
03/06/2012
8126020Wireless methods using signature codes
Data representing media content, such as audio data, is processed to produce a signature code therefrom. This code can be used by wireless and other devices for a variety of purposes. Some relate to cryptographic operations. Others relate to determining whether oper...
02/28/2012
8121062Method and apparatus for cross-talk cancellation in frequency division multiplexed transmission systems
A method and apparatus are disclosed for canceling cross-talk in a frequency-division multiplexed communication system. The disclosed frequency-division multiplexed communication system employs multiple carriers having overlapping channels and provides an improved c...
02/21/2012
8121114Prevention of voice over IP spam
In one embodiment, a system is provided to prevent VoIP spam. The system may store call data that is associated with a call to a phone number made over a Public Switched Telephone Network. Subsequently, the system may accept an Internet Protocol telephony connection...
02/21/2012
8111636Method and apparatus for providing spontaneous multi-way telephone conversation with inserted messaging
The present invention provides a method for simultaneously broadcasting a message to a plurality of end-point devices. More specifically, the present invention receives a request to initiate a teleconference from a subscriber. The plurality of end-point devices is t...
02/07/2012
8111685Communication network with co-routed multi-channel traffic
Embodiments of the present invention route a wavelength division multiplexed signal across multiple communication paths using skew characteristics of at least some of the communication paths. The network is a wavelength division multiplexed optical transport network...
02/07/2012
8111607Frequency division multiplexing system with selectable rate
An OFDM system uses a normal mode which has a symbol length T, a guard time TG and a set of N sub-carriers, which are orthogonal over the time T, and one or more fallback modes which have symbol lengths KT and guard times KTG where K is an integer greater than unity...
02/07/2012
8107478Wireless communication device, communication system, communication control method, and program
A wireless communication device includes: a control unit configured to control communication data; and memory configured to store communication data; wherein the control unit performs processing of setting a re-order buffer corresponding to a source address, for sto...
01/31/2012
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