US 2004O131130A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2004/0131130A1 Shor et al. (43) Pub. Date: Jul. 8, 2004 (54) SYSTEM AND METHOD FOR MULTI-BAND (60) Provisional application No. 60/404,070, filed on Aug. ULTRA-WIDE BAND SIGNAL GENERATORS 16, 2002. Provisional application No. 60/450,737, filed on Feb. 28, 2003. (76) Inventors: Gadi Shor, Tel-Aviv (IL); David Yaish, Tel-Aviv (IL); Yaron Knobel, Publication Classification Givat-Shmuel (IL); David Meshulam, Hod-Hasharon (IL); Zeev Rubin, (51) Int. Cl. ................................................. H04L 27/20 Alphei-Mcnashe (IL); Benny Blumer, Kfar-Saba (IL) (52) U.S. Cl. .............................................................. 375/308 Correspondence Address: BROWN, RAYSMAN, MILLSTEIN FELDER & STEINER LLP 9 9 (57) ABSTRACT 900 THIRDAVENUE NEW YORK, NY 10022 (US) The present invention provides Systems and methods relat ing to ultra-wide band communications. A method is pro (21) Appl. No.: 10/643,108 Vided for transmitting information using ultra-wide band transmission. The method includes allocating, for Signal (22)22) FileFilled: Aug.ug. 18,185, 2003 transmission, each of a plurality of frequencys Sub-bands. Related U.S. Application Data The method further includes sending an ultra-wide band transmission comprising the information by transmitting a (63) Continuation-in-part of application No. 10/389,789, burst symbol cycle Signal over each of the plurality of filed on Mar. 17, 2003. frequency Sub-bands. 10560Mhz. 1320 MHz 213 Data Y1 2O2 Out 5280,5060Hz Clk Z 211 Ref 210 RF Out MHz 1012OMZ Z Channel IFMHz :253 5280 5060 88O 3960 528O 5060 440 5280 5060 0 4840 5280 5060 5280 5060 5940 5280 5060 1320 6160 5280 5060 1760 6600 Patent Application Publication Jul. 8, 2004 Sheet 1 of 19 US 2004/0131130A1 Data 101A Select Wave Pf(t) Clock A 101B Data Select Wave Pf(t) (+) Clock A 7 M Data s Select Wave Pf(t) 101N Clock Fig. 1 Patent Application Publication Patent Application Publication Jul. 8, 2004 Sheet 3 of 19 US 2004/0131130A1 Patent Application Publication Jul. 8, 2004 Sheet 4 of 19 US 2004/0131130A1 - all allel all Figure 4 Patent Application Publication Jul. 8, 2004 Sheet 5 of 19 US 2004/0131130A1 CO H D H D O CO O 2 D C 1. - 2 USSR Patent Application Publication US 2004/0131130A1 NIENISZHWNGZ|, Patent Application Publication Jul. 8, 2004 Sheet 7 of 19 US 2004/0131130A1 Fig. 7A ... 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SAs | A A RAAS III 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 44 46 4.8 freq, GHz Fig. 78 Patent Application Publication Jul. 8, 2004 Sheet 8 of 19 US 2004/0131130 A1 i: | Patent Application Publication Jul. 8, 2004 Sheet 9 of 19 US 2004/0131130A1 6-61-I 706906 J??JJeO UUO]]büüniël_° —JO)\})^?????????????/\)Indino—,|||Z06 Patent Application Publication Jul. 8, 2004 Sheet 10 of 19 US 2004/0131130A1 Data Clock 1002 1005 Data Out Figure 10 Patent Application Publication Jul. 8, 2004 Sheet 11 of 19 US 2004/0131130 A1 Data Clock Data 1102 1105 l Carrier Out 1101 - 1103 -1 1104 1106 - Fig.11 Patent Application Publication Jul. 8, 2004 Sheet 12 0f 19 US 2004/0131130A1 z??Infil Patent Application Publication Jul. 8, 2004 Sheet 13 of 19 US 2004/0131130A1 Data Clock l/ Carrier cycle time delay line 130 v Carrier Out Differentia Amplifier Figure 13 Patent Application Publication Jul. 8, 2004 Sheet 14 0f 19 US 2004/0131130A1 ~]©X100|OeqeO yLaun61-I Patent Application Publication Jul. 8, 2004 Sheet 15 0f 19 US 2004/0131130A1 G?eun61-I Patent Application Publication Jul. 8, 2004 Sheet 16 of 19 US 2004/0131130A1 1601 - Pulse 12 - Delayed Pulse 1603 - Mixer positive input with Possitive data 160 N. Mixer negative input with Possitive data sos Mixer differential input With Possitive data 1606 - Mixer positive input with Negative data 1607 - Mixer negative input with Negative data 1608 -Mixer differential input with Negative data Figure 16 Patent Application Publication Jul. 8, 2004 Sheet 17 0f 19 US 2004/0131130A1 L?,aun61-I Patent Application Publication Jul. 8, 2004 Sheet 18 of 19 US 2004/0131130A1 Bit cycle on time h ..Chip cyclecycle Data Carrier Data x Carrier On Off Short Sequence X signal Figure 18 Patent Application Publication Jul. 8, 2004 Sheet 19 of 19 US 2004/0131130A1 \nO^~(99,7punoje) cr) 5 6),?un61-I US 2004/013 1130A1 Jul. 8, 2004 SYSTEMAND METHOD FOR MULTI-BAND rates, unsatisfactory freedom from Signal and obstacle ULTRA-WIDE BAND SIGNAL GENERATORS related interference, unsatisfactory Security, and other short comings. In fact, the State of the art does not provide a RELATED APPLICATIONS Sufficiently Satisfactory Solution for providing high Speed wireleSS connectivity for multiple digital devices in a local 0001. This application is a Continuation-In-Part of, and environment. claims priority to, U.S. application Ser. No. 10/389,789, filed on Mar. 17, 2003, which application is hereby incor 0007. The state of the art in wireless connectivity gener porated herein by reference in its entirety. ally includes utilization of Spread spectrum Systems for various applications. Spread spectrum techniques, which 0002 Additionally, this application claims priority to Spread a Signal over a broad range of frequencies, are known U.S. Provisional Application No. 60/404,070 filed on Aug. to provide high resistance against Signal blocking, or "jam 16, 2002, and to U.S. Provisional Application No. 60/450, ming,” high Security or resistance against “eavesdropping.” 737, filed on Feb. 28, 2003, both of which applications are and high interference resistance. Spread Spectrum tech hereby incorporated herein by reference in their entirety. niques have been used in Systems in which high Security and Furthermore, this application is related to U.S. application freedom from tampering is required. Additionally, Code Ser. No. 10/603,372, filed on Jun. 25, 2003, and U.S. Division Multiple Access (CDMA), a spread spectrum, application Ser. No. , Attorney Docket No. 5579/5, packet-based technique, is used in Some cellular phone entitled, “Scalable Ultra-Wide Band Communication Sys Systems, providing increased capacity in part by allowing tem,” filed on Aug. 14, 2003, both of which applications are multiple Simultaneous conversation Signals to share the hereby incorporated herein by reference in their entirety. Same frequencies at the Same time. COPYRIGHT NOTICE 0008 Known spread spectrum and modulation tech niques, including CDMA techniques, direct Sequence spread 0003) A portion of the disclosure of this patent document spectrum (DSSS) techniques, time hopping spread spectrum contains material which is Subject to copyright protection. (THSS) techniques, and pulse position modulation (PPM) The copyright owner has no objection to the facsimile techniques, do not satisfactorily provide wireleSS connectiv reproduction by anyone of the patent document or the patent ity in a local environment, including high reliability, low disclosure, as it appears in the Patent and Trademark Office cost, low interference, Security, and high Speed data transfer patent files or records, but otherwise reserves all copyright for multiple digital devices. In addition, known UWB trans rights whatsoever. mission and communication methods and Systems lack Satisfactory quality in areas that can include flexibility, BACKGROUND OF THE INVENTION adaptivity and adaptive trade-off capabilities in areas Such as power usage, range, and transfer rates, and low cost imple 0004. This invention relates in general to communication methods, Systems, and apparatuses, and in particular to mentation. ultra-wide band based wireleSS communication methods, 0009. A number of U.S. and non-U.S. patents and patent Systems, and apparatuses. applications discuss spread Spectrum or UWB related Sys tems for various uses, but are nonetheless in accordance with 0005 The demand for short to medium range, high speed the above described state of the art. The U.S. and non-U.S. connectivity for multiple digital devices in a local environ patents and patent applications discussed below are hereby ment continues to rise Sharply. For example, many work places and households today have many digital computing incorporated herein by reference in their entirety. or entertainment devices Such as desktop and laptop com 0010. There are several Japanese patents and applications puters, television Sets and other audio and Video devices, in Some of these areas. Japanese patent application JP DVD players, cameras, camcorders, projectors, handhelds, 11284599, filed on Mar. 31, 1998 and published on Oct. 15, and others. Multiple computers and television Sets, for 1999, discusses spread spectrum CDMA mobile communi instance, have become common in American households. In cations. Japanese patent application JP 11313005, filed on addition, the need for high Speed connectivity with respect Apr. 27, 1998 and published on Nov. 9, 1999, discusses a to Such devices is becoming more and more important. System for rapid carrier Synchronization in Spread spectrum These trends will inevitably increase even in the near future. communication using an intermittently operative signal demodulation circuit. Japanese patent application JP 0006. As the demand for high speed connectivity 11027180, filed on Jul. 2, 1997 and published on Jan. 29, increases along with the number of digital devices in typical 1999, and counterpart European application EP 0889600 households and workplaces, the demand for wireleSS con nectivity naturally grows commensurately. High-speed wir discuss a receiving apparatus for use in a mobile commu ing running to many devices can be expensive, awkward, nications System, and particularly for use in Spread spectrum impractical and inconvenient.