Patents by Inventor Yossi Erlich
Yossi Erlich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8908792Abstract: An embodiment of the present invention provides an apparatus, comprising a transmitter operable to communicate in a wireless network and adapted to use an efficient Golay correlator running at 1.5 times a sampling rate.Type: GrantFiled: June 23, 2009Date of Patent: December 9, 2014Assignee: Intel CorporationInventors: Assaf Kasher, Yossi Erlich, Ilan Sutskover
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Patent number: 8457176Abstract: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication.Type: GrantFiled: December 2, 2011Date of Patent: June 4, 2013Assignee: Lantiq Deutschland GmbHInventors: Manfred Punzenberger, Stefano Marsili, Andreas Wiesbauer, Christoph Sandner, Yossi Erlich
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Patent number: 8218669Abstract: Delay diversity is implemented within a wireless system in a manner that can achieve a relatively flat spectrum in a receiving device. In at least one embodiment, phase shift values from an orthogonal P×N matrix A are used to provide phase shifts to a data packet to be transmitted from N transmit antennas, in a single spatial stream, to a remote wireless device. The matrix A is an orthogonal matrix with A·AT=P·I and P?N. Delay diversity values are also provided to the data packet before transmission.Type: GrantFiled: September 16, 2009Date of Patent: July 10, 2012Assignee: Intel CorporationInventor: Yossi Erlich
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Publication number: 20120076174Abstract: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Applicant: Lantiq Deutschland GmbHInventors: Manfred Punzenberger, Stefano Marsili, Andreas Wiesbauer, Christoph Sandner, Yossi Erlich
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Patent number: 8090001Abstract: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication.Type: GrantFiled: December 5, 2005Date of Patent: January 3, 2012Assignee: Lantiq Deutschland GmbHInventors: Manfred Punzenberger, Stefano Marsili, Andreas Wiesbauer, Christoph Sandner, Yossi Erlich
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Patent number: 7929598Abstract: Briefly, in accordance with one or more embodiments, parallel DFE processing may be utilized for single carrier systems that employ cyclic prefixes. The achieved parallelism allows working at contemporary clock rates that are significantly lower than the required sampling rate at high bandwidth systems such as 60 GHz transmissions.Type: GrantFiled: December 31, 2007Date of Patent: April 19, 2011Assignee: Intel CorporationInventors: Ilan Sutskover, Yossi Erlich, Assaf Kasher
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Publication number: 20110064157Abstract: Delay diversity is implemented within a wireless system in a manner that can achieve a relatively flat spectrum in a receiving device. In at least one embodiment, phase shift values from an orthogonal P×N matrix A are used to provide phase shifts to a data packet to be transmitted from N transmit antennas, in a single spatial stream, to a remote wireless device. The matrix A is an orthogonal matrix with A·AT=P·I and P?N. Delay diversity values are also provided to the data packet before transmission.Type: ApplicationFiled: September 16, 2009Publication date: March 17, 2011Applicant: Intel CorporationInventor: Yossi Erlich
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Publication number: 20100322321Abstract: An embodiment of the present invention provides an apparatus, comprising a transmitter operable to communicate in a wireless network and adapted to use an efficient Golay correlator running at 1.5 times a sampling rate.Type: ApplicationFiled: June 23, 2009Publication date: December 23, 2010Inventors: Assaf Kasher, Yossi Erlich, Ilan Sutskover
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Publication number: 20090168865Abstract: Briefly, in accordance with one or more embodiments, parallel DFE processing may be utilized for single carrier systems that employ cyclic prefixes. The achieved parallelism allows working at contemporary clock rates that are significantly lower than the required sampling rate at high bandwidth systems such as 60 GHz transmissions.Type: ApplicationFiled: December 31, 2007Publication date: July 2, 2009Inventors: Ilan Sutskover, Yossi Erlich, Assaf Kasher
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Patent number: 7551591Abstract: Method for data transmission within a wireless local area network (WLAN) which is operable simultaneously with other wireless local area networks (WLANs) in the same local area, wherein each wireless local area network (WLAN) comprises at least one transceiver, wherein a transmitting transceiver of a wireless local area network (WLAN) transmits a signal that conveys data to a receiving transceiver of the same wireless local area network (WLAN) during data transmission intervals with changing frequency bands, wherein the frequency band is changed with each data transmission interval in a cyclical order according to a predetermined frequency hopping sequence which is identical for all simultaneously operated wireless local area networks (WLANs), wherein the transmitting transceivers of different wireless local area networks (WLANs) start the respective data transmissions at shifted times to establish different data transmission channels for the wireless local area networks (WLANs).Type: GrantFiled: September 11, 2003Date of Patent: June 23, 2009Assignee: Infineon Technologies AGInventors: Yossi Erlich, Yaron Rashi
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Patent number: 7512185Abstract: A Dual Carrier Modulator (DCM) for a Multiband OFDM (Orthogonal Frequency Division Multiplexing) Transceiver of a Ultra Wide Band (UWB) wireless personal access network transmitting OFDM modulated symbols is provided, wherein each OFDM symbol is modulated by a predetermined number of encoded bits. The Dual Carrier Modulator comprises a grouping unit for grouping NCBPS encoded bits of a serial bit stream into bit groups each having a predetermined number of bits. The Dual Carrier Modulator also comprises a mapping unit for mapping each bit group received from said grouping unit to complex symbols using an orthogonal transform. The Dual Carrier Modulator further comprises a reordering unit for reordering the complex symbols mapped by said mapping unit. Each complex symbol is provided to modulate a corresponding data tone of an OFDM symbol.Type: GrantFiled: January 21, 2005Date of Patent: March 31, 2009Assignee: Infineon Technologies AGInventors: Eran Sharon, Simon Litsyn, Yossi Erlich
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Patent number: 7411898Abstract: Preamble generator for a multiband frequency division multplexing (OFDM) tranceiver of a wireless personal area network (WPAN) being switchable between a time frequency interleaving (TFI)-mode wherein data packets are transmitted by said transceiver in different frequency bands according to a predetermined frequency hopping pattern and a fixed frequency interleaving (FFI) mode wherein data packets are transmitted by the transceiver in at least one fixed frequency band, wherein said preamble generator scrambles in the fixed frequency interleaving (FFI) mode a predetermined preamble of the data packets by multiplying said preamble with a pseudo random data sequence to flatten a power spectrum of said preamble.Type: GrantFiled: September 30, 2004Date of Patent: August 12, 2008Assignee: Infineon Technologies AGInventors: Yossi Erlich, Assaf Gurevitz, Eyal Hochdorf
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Patent number: 7376117Abstract: Interleaving circuit for a multiband OFDM (orthogonal frequency division multiplexing) transceiver of a ultra wide band wireless personal access network transmitting OFDM modulated symbols, wherein each OFDM symbol consists of a predetermined number (NCBPS) of encoded bits, said interleaving circuit comprising a symbol interleaving unit which receives an input bitstream of encoded bits and permutes adjacent bits of said input bitstream across different OFDM symbols; an intra-symbol tone interleaving unit which receives the bits permuted by said symbol interleaving unit and permutes adjacent bits of each OFDM symbol across uncorrelated data sub-carriers; and an intra-symbol cyclic shift unit which shifts cyclically NCBPS bits of each OFDM symbol in response to a shift value (K) which is changed between adjacent OFDM symbols.Type: GrantFiled: November 12, 2004Date of Patent: May 20, 2008Assignee: Infineon Technologies AGInventors: Yossi Erlich, Assaf Gurevitz
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Patent number: 7365662Abstract: A DC-offset correction circuit includes an analog circuit to generate a plurality of analog offset-correction signal values, each of which are assigned to a hop band. The analog circuit is coupled to a tap of an analog receiver chain and includes a first analog selector to select an analog offset-correction signal value, the selected analog offset correcting signal value being assigned to a current hop band. Further, the DC-offset correction circuit includes a combiner to combine a received signal with the selected analog offset-correction signal value and feed the analog receiver chain.Type: GrantFiled: July 25, 2006Date of Patent: April 29, 2008Assignee: Infineon Technologies AGInventors: Stefano Marsili, Raffaele Salerno, Yossi Erlich, Manfred Punzenberger, Andreas Wiesbauer
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Publication number: 20080024337Abstract: A DC-offset correction circuit includes an analog circuit to generate a plurality of analog offset-correction signal values, each of which are assigned to a hop band. The analog circuit is coupled to a tap of an analog receiver chain and includes a first analog selector to select an analog offset-correction signal value, the selected analog offset correcting signal value being assigned to a current hop band. Further, the DC-offset correction circuit includes a combiner to combine a received signal with the selected analog offset-correction signal value and feed the analog receiver chain.Type: ApplicationFiled: July 25, 2006Publication date: January 31, 2008Inventors: Stefano Marsili, Raffaele Salerno, Yossi Erlich, Manfred Punzenberger, Andreas Wiesbauer
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Publication number: 20060120435Abstract: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling the data communication and at least one clock line for providing a clock signal, memory means implemented within said RF-unit containing all the required chip settings which are specific to a certain frequency of received and/or transmitted data being part of the intended hopping sequence. The transceiver also includes control means for programming said memory means during an initialization phase during a set-up of a communication link of said data communication.Type: ApplicationFiled: December 5, 2005Publication date: June 8, 2006Inventors: Manfred Punzenberger, Stefano Marsili, Andreas Wiesbauer, Christoph Sandner, Yossi Erlich
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Publication number: 20060045053Abstract: Method for data transmission within a wireless local area network (WLAN) which is operable simultaneously with other wireless local area networks (WLANs) in the same local area, wherein each wireless local area network (WLAN) comprises at least one transceiver, wherein a transmitting transceiver of a wireless local area network (WLAN) transmits a signal that conveys data to a receiving transceiver of the same wireless local area network (WLAN) during data transmission intervals with changing frequency bands, wherein the frequency band is changed with each data transmission interval in a cyclical order according to a predetermined frequency hopping sequence which is identical for all simultaneously operated wireless local area networks (WLANs), wherein the transmitting transceivers of different wireless local area networks (WLANs) start the respective data transmissions at shifted times to establish different data transmission channels for the wireless local area networks (WLANs).Type: ApplicationFiled: September 11, 2003Publication date: March 2, 2006Inventors: Yossi Erlich, Yaron Rashi
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Publication number: 20050265220Abstract: Preamble generator for a multiband frequency division multplexing (OFDM) tranceiver of a wireless personal area network (WPAN) being switchable between a time frequency interleaving (TFI)-mode wherein data packets are transmitted by said transceiver in different frequency bands according to a predetermined frequency hopping pattern and a fixed frequency interleaving (FFI) mode wherein data packets are transmitted by the transceiver in at least one fixed frequency band, wherein said preamble generator scrambles in the fixed frequency interleaving (FFI) mode a predetermined preamble of the data packets by multiplying said preamble with a pseudo random data sequence to flatten a power spectrum of said preamble.Type: ApplicationFiled: September 30, 2004Publication date: December 1, 2005Applicant: Infineon Technologies AGInventors: Yossi Erlich, Assaf Gurevitz, Eyal Hochdorf
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Publication number: 20050195765Abstract: Dual Carrier Modulator (DCM) for a Multiband OFDM (Orthogonal Frequency Division Multiplexing) Transceiver of a Ultra Wide Band (UWB) wireless personal access network transmitting OFDM modulated symbols, wherein each OFDM symbol is modulated by a predetermined number (NCBPS) of encoded bits, said Dual Carrier Modulator (1) comprising: (a) a grouping unit (1-1) for grouping NCBPS encoded bits of a serial bit stream into bit groups each having a predetermined number (m) of bits; (b) a mapping unit (1-2) for mapping each bit group received from said grouping unit to complex symbols (y) using an orthogonal transform; and (c) a reordering unit (1-3) for reordering the complex symbols (y) mapped by said mapping unit, wherein each complex symbol (y) is provided to modulate a corresponding data tone of an OFDM symbol.Type: ApplicationFiled: January 21, 2005Publication date: September 8, 2005Applicant: Infineon Technologies AGInventors: Eran Sharon, Simon Litsyn, Yossi Erlich
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Publication number: 20050152327Abstract: Interleaving circuit for a multiband OFDM (orthogonal frequency division multiplexing) transceiver of a ultra wide band wireless personal access network transmitting OFDM modulated symbols, wherein each OFDM symbol consists of a predetermined number (NCBPS) of encoded bits, said interleaving circuit comprising a symbol interleaving unit which receives an input bitstream of encoded bits and permutes adjacent bits of said input bitstream across different OFDM symbols; an intra-symbol tone interleaving unit which receives the bits permuted by said symbol interleaving unit and permutes adjacent bits of each OFDM symbol across uncorrelated data sub-carriers; and an intra-symbol cyclic shift unit which shifts cyclically NCBPS bits of each OFDM symbol in response to a shift value (K) which is changed between adjacent OFDM symbols.Type: ApplicationFiled: November 12, 2004Publication date: July 14, 2005Applicant: Infineon Technologies AGInventors: Yossi Erlich, Assaf Gurevitz