Assignee: Conexant Systems, Inc.

Location: Newport Beach, CA
No. of patents: 187

Number	Title	Issue Date
8170002	Systems and methods for indicating buffered data at an access point with efficient beacon handling Stations in standby mode periodically wake up to check for buffered data at the access points. Traditionally, the information is available by checking the periodic beacon frame for a traffic indication map (TIM). Unfortunately, the length of beacons has steadily inc...	05/01/2012
8165154	Systems and methods for reliable broadcast and multicast transmission over wireless local area network Broadcast and multicast (BM) systems have not been reliable in the wireless local area networks. Higher bandwidth and more reliable BM transmissions are necessitated by video and audio applications. A class of BM reliable frames is transmitted at a higher rate. The ...	04/24/2012
8160153	Hypothetical reference decoder with low start-up delays for compressed image and video In one aspect, a method for encoding pictures is provided. The method is applied to each picture in a sequence of pictures, and the method comprises the steps of assigning a pre-decoder buffer removal time to the picture; selecting, for the picture, a number of bits...	04/17/2012
8155139	Systems and methods for management of wireless clients Systems and methods for band hopping and power conservation in a wireless network are described. At least one embodiment is directed a method of hopping channels by a device within a wireless network. The method comprises hopping from a first channel to a target cha...	04/10/2012
8144676	Network allocation Included are embodiments for network allocation. More specifically, one embodiment of a method includes receiving, at a first communications device, without a prior RTS signal being sent, a first clear to send (CTS) signal from a second communications device, addres...	03/27/2012
8126038	System and method for selectable mask for LDSL The present invention overcomes various problems by defining two upstream masks (U1, U2) and two downstream masks (D1, D2) and using a mask selectable system for the long reach digital subscriber line (LDSL), in which a unique modem featu...	02/28/2012
8111677	Systems and methods of combined bluetooth and WLAN signaling Disclosed herein are systems and methods of combined Bluetooth and WLAN signaling. Such systems and methods may use a Bluetooth connection to signal WLAN capabilities and to exchange WLAN security keys. Once the file transfer has started, the actual data may be tran...	02/07/2012
8089908	Systems and methods for indicating buffered data at an access point using a traffic indication map broadcast Stations in standby mode periodically wake up to check for buffered data at the access points. Traditionally, the information is available by checking the periodic beacon frame for a traffic indication map (TIM). Unfortunately, the length of beacons has steadily inc...	01/03/2012
8085698	Piggyback acknowledgement Included are embodiments for facilitating communication. At least one embodiment of a method includes receiving first communication data from a communications device and creating an acknowledgment indicating receipt of the first communication data. Some embodiments ...	12/27/2011
8077647	Systems and methods for utilizing a scanning threshold to reduce power consumption Included are embodiments for utilizing a scanning threshold. More specifically, one embodiment of a method includes entering a standby mode, wherein in the standby mode, at least one component of a communications device is shutdown, and wherein in the standby mode, ...	12/13/2011
8072993	Systems and methods for communicating to a disassociated station in a protected network Stations in standby mode in a wireless local area network (WLAN) become disassociated with their access point. In the event traffic is intended for the station in standby mode, a wakeup message needs to be communicated to the station. Typically, a wakeup message cou...	12/06/2011
8072547	Comb filter that utilizes host memory A comb filter system that utilizes host memory is disclosed. The comb filter system that utilizes host memory may include a comb filter. The comb filter system that utilizes host memory may include an allocated host memory. The comb filter system that utilizes host ...	12/06/2011
8064101	White region identification to accelerate image processing for copies Provided herein is a method for accelerating the production of a standalone copy of a document by a peripheral device. The invention employs a white space map of the document to be copied. The map is generated by the ASIC chip, preferably at an early stage in the pr...	11/22/2011
8063699	Anti-pop circuit Presently many audio chips suffer from pop issues, which is especially serious for single ended audio drivers. An audio pop is a disturbance in the output caused by a sudden transition of chip power, particularly when a chip is powered on or powered off. Furthermore...	11/22/2011
8044690	System and method for clock-synchronized triangular waveform generation A triangular waveform generator is converted to a free running oscillator controlled by a calibration code. The free running oscillator can be synchronized to an external clock signal by comparing the external clock frequency to the frequency of the triangular wavef...	10/25/2011
8028298	Systems and methods for managing shared resources in a computer system An operating system is provided wherein a plurality of objects are established and registered in response to requests from hardware or software associated with the computer system. The objects include at least one type, at least one attribute, and a handle. The plur...	09/27/2011
8027473	System and method for improved data protection in PONs Mechanisms for providing a subscriber-side interface with a passive optical network are described herein. An optical network termination (ONT) having an integrated broadband passive optical network processor is utilized to receive downstream data from an optical lin...	09/27/2011
8022490	Micro electro-mechanical sensor (MEMS) fabricated with ribbon wire bonds A micro electro-mechanical sensor is provided. The micro electro-mechanical sensor includes a substrate, and a conducting plane disposed on the substrate. A conducting via is disposed on the substrate, such as adjacent to the conducting plane. A plurality of ribbon ...	09/20/2011
8013440	Enhanced thermal dissipation ball grid array package In a semiconductor chip, a thermal adhesive is used to bond an internal heat spreader to an active functional die. In an alternative embodiment a dummy die is place directly on top of the active functional die and a thermal adhesive is used to bond an internal heat ...	09/06/2011
7995867	Image processor and method of image rotation A method of rotating a digital image includes performing a first pass to process a selected image tile of a source image. The first pass includes copying a set of pixels of the selected image tile from a first memory to a processor memory, where the set of pixels co...	08/09/2011
7990902	Facilitating transmissions in a plurality of protocols Included are embodiments for sending data in an environment with a plurality of protocols. At least one embodiment of a method includes receiving, at a communications device, an indication to send first data to an access point in a first communications protocol and ...	08/02/2011
7983306	Method and apparatus for channelizing sampled broadband signal A system for isolating individual channels in a broadcast signal is provided. The system includes a plurality of multipliers, each having an input and an output. A summer coupled to the outputs of each of the plurality of multipliers is provided to generate an outpu...	07/19/2011
7982525	Systems and methods for driving high power stages using lower voltage processes In today's environment class-D amplifiers are used to provide an integrated solution for applications such as powered audio devices due to their advantages in power consumption and size over more traditional analog amplifiers. Due to power output requirements, the o...	07/19/2011
7974272	Remote control of a switching node in a stack of switching nodes A methods and apparatus for remote management of switching network nodes in a stack via in-band messaging are presented. Switching nodes in the stack default to reserved switching node identifiers and stacking ports default to a blocking state upon startup, restart,...	07/05/2011
7952508	Noise-shaped scrambler for reduced out-of-band common-mode interference Class-D amplifiers have evolved from using binary pulse-width modulation (PWM) modulators to three-level PWM modulators. Three-level PWM drivers for audio applications offer the benefits of eliminating costly elements at the output of an audio system. However, they ...	05/31/2011
7933045	Color conversion system and method A processor is provided that includes a primary memory and color conversion logic. The primary memory may store a first color look-up table (LUT) related to a second color space. The color conversion logic, in response to a received set of pixels having color values...	04/26/2011
7925013	System for data encryption and decryption of digital data entering and leaving memory A system is described for encryption and decryption of digital data prior to the digital data entering the memory of a digital device by generating a key, sub-key and combining the sub-key with mixed digital data, where the encryption and decryption occurs between t...	04/12/2011
7920078	Systems and methods for variable rate conversion Poly-phase filters are used to offer an efficient and low complexity solution to rate conversion. However, they suffer from inflexibility and are not easily reconfigured. A novel design for rate converters employ poly-phase filters but utilize interpolation between ...	04/05/2011
7915950	Method and algorithm of high precision on-chip global biasing using integrated resistor calibration circuits Systems and methods for providing bias currents to multiple analog circuits are disclosed. An integrated circuit comprises a calibration circuit which compares a high tolerance external component to a plurality of internal components manufactured to span the variabi...	03/29/2011
7912155	Demodulator circuit The invention relates to a demodulator circuit in a communication system using a multi-carrier modulation scheme. The demodulator uses channel state information for respective carriers in the multi-carrier modulation to de-map the received data. ...	03/22/2011
7907660	System and method for television signal demodulation and decoding A modem for use with a computer having a demodulator and a decoder, the modem comprises a hardware interface; a demodulator front-end having a first input and a first output, the first output of the demodulator front-end being configured to interface with the demodu...	03/15/2011
7907557	Low power receiving The disclosed methods of low power communications facilitate high speed reception of data from an access point (AP) with low transmission latencies while remaining in power save mode as long as possible. The disclosed methods allow the client to remain in a power sa...	03/15/2011
7881461	Method and apparatus for conveying bidirectional data, power and timing signals using a single transformer Transformer driven by data modulated signal provides isolated power. Outbound data is extracted from the data modulated signal received from the transformer. Inbound data received in isolated circuitry modulates the load presented to transformer. Inbound data percei...	02/01/2011
7876977	Image processor and method of image rotation A method of rotating a digital image includes performing a first pass to process a selected image tile of a source image. The first pass includes copying a set of pixels of the selected image tile from a first memory to a processor memory, where the set of pixels co...	01/25/2011
7852868	Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments A method for establishing a circuit connection over a network. Determining a channel quality profile of a medium connecting a source node and a destination node. Determining a throughput required to support a data rate requirement of an application that sources data...	12/14/2010
7835265	High availability Ethernet backplane architecture A high availability backplane architecture. The backplane system includes redundant node boards operatively communicating with redundant switch fabric boards. Uplink ports of the node boards are logically grouped into trunk ports at one end of the communication link...	11/16/2010
7813263	Method and apparatus providing rapid end-to-end failover in a packet switched communications network A hardware-based failover scheme enabling rapid end-to-end recovery is provided. Hardware logic periodically generates, transmits, receives, and processes heartbeat packets, sent from one end of the communications network to another, and then returned back. If a com...	10/12/2010
7778618	Systems and methods for reducing broadband image noise through a programmable bandwidth RF variable gain attenuator Systems for suppressing image noise are provided. In this regard, one embodiment includes a system for suppressing image noise comprising a low noise amplifier (LNA) configured to amplify a received RF signal, an RF variable gain attenuator with an image rejection f...	08/17/2010
7760719	Combined pipelined classification and address search method and apparatus for switching environments A packet switching node in a pipelined architecture processing packets received via an input port associated with the packet switching node performs a method, which includes: determining a packet frame type; selectively extracting packet header field values specific...	07/20/2010
7759967	General purpose pin mapping for a general purpose application specific integrated circuit (ASIC) Disclosed herein are various embodiments of an application specific integrated circuit (ASIC). The ASIC includes a plurality of functional units. Each functional unit may include a plurality of connections. The ASIC may also include a plurality of input and/or outpu...	07/20/2010

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Assignee: Conexant Systems, Inc.