| Patent application number | Description | Published |
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| 20090096519 | CONFIGURABLE DEMODULATOR AND DEMODULATION METHOD - A method and system for a frequency shift key demodulation is provided. The system includes a counting block for counting a reference clock within a window defined by a modulated signal, a detector for comparing a count value output from the counting block with digital multi-level thresholds and outputting baseband data based on the comparison, and a configurations block for configuring at least one of the counting block and the detector. The method includes counting a reference clock within a window defined by the FSK modulated signal and outputting a count value as a result of the counting, and comparing the count value with multi-level thresholds to output baseband data based on the comparison. | 04-16-2009 |
| 20090096543 | MULTI-FORMAT ALL-DIGITAL MODULATOR AND METHOD - A method, system and digital modulator for modulation are provided The modulator includes a dividing mechanism for dividing a reference clock by a divide value to produce a modulated signal associated with at least one input data, and a control unit for providing at least one divide sequence to the dividing mechanism. The at least one divide sequence includes a sequence of one or more divide values. The divide value of the divide sequence is configurable and selectively provided to the dividing mechanism based on the at least one input data. The method includes configuring at least one divide sequence including a sequence of one or more divide values, and selecting a divide value from the at least one divide sequence based on at least one input data. The method includes dividing a reference clock by the selected divide value and generating a modulated signal based on the divide operation. The system for modulation-based commutations link includes a modulation unit having a dividing mechanism for dividing a reference clock by a divide value, and a configuration register for one or more configurable divide sequences. | 04-16-2009 |
| 20090097588 | DIGITAL DATA ENCODING AND DECODING METHOD AND SYSTEM - Digital data encoding and decoding method and system is provided. The method for digital data communication include encoding bit stream having monitoring a specific bit pattern in the bit stream when a frame signal is received, and based on the monitoring, creating a unique encoding pattern for the frame signal in encoded data. The system for digital data communication includes an encoder having a control unit for monitoring incoming bit stream to detect a specific bit pattern at a bit position relative to a frame signal and asserting a control signal, and a mark and space unit for generating encoded data having at least one of one or more marks and one or more spaces, based on the bit stream in response to the control signal so that the frame signal is embedded into the encoded data. The method for decoding includes recovering bit stream from encoded data. The encoded data is generated using a unique encoding pattern for a frame signal in the encoded data. The recovering includes detecting at least one of mark and space. The method includes recovering a frame signal from the encoded data, including detecting a pattern associated with the unique encoding pattern based on the detection of the at least one of mark and space. The system for decoding includes a first recover for recovering bit stream from encoded data. The encoded data is generated using a unique encoding pattern for a frame signal in the encoded data. The first recover includes a circuit for detecting at least one of mark and space. The system includes a second recover for recovering a frame signal from the encoded data. The second recover includes a circuit for detecting a pattern associated with the unique encoding pattern based on the detection of the at least one of mark and space. | 04-16-2009 |
| Patent application number | Description | Published |
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| 20080240112 | LAYER 2 ROUTING PROTOCOL | 10-02-2008 |
| 20090052319 | RESERVATION BASED MAC PROTOCOL - Embodiments describe scheduling communication in an ad hoc multihop network. Included is a reservation based Medium Access Control (MAC) protocol that has resources scheduled along the path from source to destination. Admission control is performed on a per-hop basis and a decision is made, in a distributed manner, if enough resources exist along the multihop path to admit a new communication. | 02-26-2009 |
| 20090147709 | RECEIVER CHANNEL FEEDBACK THROUGH BEACONS - According to various embodiments a receiver may include information elements in its beacon. The information elements can then be used to send feedback information about packets received during the previous superframe(s). This feedback information may contain some acknowledgement information. For example, the feedback information may include information elements that include acknowledgement information that acknowledge the reception of previously transmitted packets. According to an embodiment of the invention, systems and methods to provide feedback information comprising receiving a packet; determining feedback information based on the received packet; and transmitting a beacon. The beacon comprises a frame header, including routing information for the frame; a beacon parameter, including signaling information; and an information element comprising the feedback information for the received packets. | 06-11-2009 |
| 20090168746 | INCREASE EFFECTIVE BEACON CAPACITY - According to an embodiment of the invention, systems and methods are provided to allow wireless network devices to transmit more data than the maximum length beacon during a beacon period. In some embodiments, the method includes transmitting an original beacon, determining if a beacon slot is available, selecting the available beacon slot; determining if the selected slot is within a beacon period of a neighbor, and transmitting an additional beacon. Other embodiments may include determining a different device address and EUI48 and selecting a new MAC information element for the additional beacon. | 07-02-2009 |
| 20110075603 | MEDIUM ALLOCATION IN A DISTRIBUTED NETWORK - A method of network operations comprises conducting communication activities at a first network device using a shared network medium and having a first coverage area, wherein the communication activities comprise broadcasting a data transmission reservation or receiving a data transmission reservation of another network device during a beacon period; and conducting communications with the first network device at a second network device using the shared network medium; wherein the second network device is configured to provide a second coverage area that is substantially contained within the first coverage area and wherein the second network device does not monitor network communications during the beacon period. | 03-31-2011 |
