Abstract: A universal serial bus (USB) communication system, the communication system including: (a) at least one asynchronous transmission queue manager configured to queue, in at least one asynchronous transmission queue, information for asynchronous transmission through at least one asynchronous pipe; (b) at least one guaranteed transmission queue manager configured to insert into at least one queue information for transmission through a dedicated pipe utilized by the communication system; wherein the at least one queue is selected from the at least one asynchronous transmission queue, at least one periodic transmission queue and at least one additional queue; and (c) a transmitter configured to transmit information through the at least one asynchronous pipe and the dedicated pipe, wherein the transmitting through the dedicated pipe is prioritized over the transmitting at the at least one asynchronous pipe, wherein the transmitting at the dedicated pipe is irrespective of time in which information for transmission a

Abstract: A device and a method are provided. The device may include: a first encoder arranged to apply a first type encoding process on an input frame element to provide a first type encoded frame element; the input frame elements belong to an input frame; a second encoder arranged to apply a second type encoding process on the input frame element to provide a second type encoded frame element; wherein the first type encoding process differs from the second type encoding process by a degree of expected loss of data; a control circuit arranged to select a selected frame element out of the first and second type encoded frame elements; a memory unit arranged to store information about the selected frame element; and an output interface arranged to output the selected frame element.

Abstract: A caching filter driver which is adapted for communicating with a universal serial bus (USB) mass storage device, the caching filter driver is adapted to: (a) receive a first reading request for a first size data from a USB mass storage driver; (b) determine if requested data which is requested in the first reading request is included in a prefetched read data cache; (c) issue a second reading request for a second size data to the USB mass storage device; and store the second size data in the prefetched read data cache, if the requested data is not included in the prefetched read data cache; and to (d) provide the requested data from the prefetched read data cache; wherein the second size is larger than the first size and the second size data includes the first size data; wherein the caching filter driver resides below the USB mass storage driver.

Abstract: A broadband radiating device, that includes: a first planar conductive pattern that includes: a symmetrical trapezoid portion in which multiple slots are formed, and a rectangular portion; wherein a long side of the rectangular portion contacts a long side of the symmetrical trapezoid portion; a planar ground pattern; and a planar non-conductive element that separates between the first planar conductive pattern and the planar ground pattern; wherein a narrow end of the symmetrical trapezoid pattern is connected to a feeding area; and wherein the planar ground pattern is adapted to function as a ground of an electrical circuit.

Abstract: A method for multicasting information, the method includes: utilizing a distributed media access control scheme for allocating at least one timeslot for a transmission of information from a first device to a group of peer devices and for a transmission of acknowledgement messages from the peer devices of the group; and transmitting the information in response to the allocation. A computer readable medium having code embodied therein for causing an electronic device to perform the stages of: utilizing a distributed media access control scheme for allocating at least one timeslot for a transmission of information from a first device to a group of peer devices and for a transmission of acknowledgement messages from the peer devices of the group; and transmitting the information in response to the allocation.

Abstract: A universal serial bus (USB) communication system, the system includes: (a) a wired communication component, which is adapted to receive a received USB transfer; (b) a processor which is adapted to process the received USB transfer to provide a transmittable wireless USB transfer; and (c) a wireless communication component, which is adapted to transmit the transmittable wireless USB transfer; wherein the system is adapted to transmit a portion of the transmittable wireless USB transfer before the entire received USB transfer is received.

Abstract: A method and device for OFDM transmission, the method includes: (i) defining a channel estimation sequence that is characterized by a low peak to average ratio at a significant guard to information power ratio; and (ii) transmitting the channel estimation sequence over multiple over multiple sub-carriers. A method and device for OFDM transmission, the method includes: (i) providing a channel estimation sequence that is characterized by a low peak to average ratio over a significant range of guard to information power ratio; and (ii) transmitting the channel estimation sequence over multiple sub-carriers.

Abstract: An intermediate device, including: (a) a wired USB communications component; (b) a wireless USB communications component; (c) a memory unit; (d) a processor, connected to the wired USB communications component, to the wireless USB communications component and to the memory unit, and (e) a USB class compliant driver emulator constructed in response to at least one characteristic of the USB device.

Abstract: The present invention provides systems and methods relating to ultra-wide band communications. A method is provided for transmitting information using ultra-wide band transmission. The method includes allocating, for signal transmission, each of a plurality of frequency sub-bands. The method further includes sending an ultra-wide band transmission comprising the information by transmitting a burst symbol cycle signal over each of the plurality of frequency sub-bands.

Abstract: A method and device for ultra wide band wireless medium access control, the method includes: assigning a plurality of information frames to at least one DRP queue and to at least one PCA queues; determining whether to re-assign at least one information frame previously assigned to at least one DRP queue to a PCA queue; and re-assigning at least one information frame in response to the determination. A device and method for ultra wide band wireless medium access control, the method includes: assigning a plurality of information frames to at least one DRP queue and to at least one PCA queues; and scheduling a transmission of at least one information frame assigned to at least one DRP queue during at least one PCA transmission period.

Abstract: The present invention provides multi-band ultra-wide band (UWB) communication methods and systems capable of adaptively and scalably supporting different applications with different requirements, as well as different desired or ideal properties relating to the communications. A method is provided for transmitting information using multi-band ultra-wide band transmission, including transmitting a signal over each of multiple frequency sub-bands, and allowing variation of at least one transmission parameter to facilitate trade-off between at least two of power consumption, energy collection, bit rate, performance, range, resistance to multiple access interference, and resistance to multipath interference and spectral flatness.

Abstract: The present invention provides ultra-wide band communication systems and methods, including multi-band ultra-wide band communication systems and methods. Methods and systems are provided in which frequency sub-bands of an ultra-wide band spectrum are allocated for signal transmission. An ultra-wide band transmission including the information is sent, including sending a signal over each of the plurality of sub-bands. Methods are further provided in which a first data signal containing information is converted into an encoded signal using an Inverse Fast Fourier Transform. The encoded signal is converted into an encoded ultra-wide band signal that can be pulsed or transmitted using burst symbol cycles. The encoded pulsed ultra-wide band signal is decoded using a Fast Fourier Transform to obtain the information.

Abstract: The present invention provides communication methods, systems, and apparatuses. Methods are provided in which a second signal for transmission is obtained by halving values of an initial portion and a tail portion of a first signal, and adding zeros following the tail portion. Upon or after reception, a third signal is obtained from the received second signal and used in obtaining information. Obtaining each of an initial portion and a tail portion of the third signal includes adding together at least a portion of each of the initial portion and the tail portion of the second signal.