United States Patent 19
`
`Russell et al.
`
`US005644622A
`
`{113
`
`[451
`
`Patent Number:
`
`Date of Patent:
`
`5,644,622
`Jul. 1, 1997
`
`
`
`[54]
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`[75]
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`[73]
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`[21]
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`[22]
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`[60]
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`(51)
`[52]
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`158]
`
`CELLULAR COMMUNICATIONS SYSTEM
`WITH CENTRALIZED BASE STATIONS AND
`DISTRIBUTED ANTENNA UNITS
`
`Inventors: David S. Russell, Minneapols; Larry
`G. Fischer, Waseca, both of Minn.
`
`Assignee: ADC Telecommunications, Inc.,
`Bloomington, Minn.
`
`FOREIGN PATENT DOCUMENTS
`
`2008900
`0166885
`
`10/1990
`1/1986
`
`Canada .
`European Pat. Off. .
`
`teeeen eon Eure pat of :
`0391597
`10/1990
`European Pat. Off. .
`0468688
`1/1992
`European Pat. Off. .
`
`OTHER PUBLICATIONS
`
`;
`Appl. No.: 409,738
`Filed:
`Mar. 23, 1995
`
`Related U.S. Application Data
`
`a
`Division of Ser. No. 204,660, Mar. 2, 1994, which is
`continuation-in-part of Ser. No. 183,221, yan. ee “<4
`abandoned, w!
`is
`a continuation-in-part of
`Ser.
`No.
`68,389, May 28, 1993, abandoned, which is a continuation-
`in-part of Ser. No. 946,402, Sep. 17, 1992, abandoned, Ser.
`No. 946,964, Sep. 17, 1992, abandoned, Ser. No. 946,931,
`Sep. 17, 1992, abandoned, and Ser. No. 946,548, Sep. 17,
`1992, abandoned.
`H04Q 7/22
`Int. CL.°
`US. Ch. cccssccoseescssseescesseos 455/422; 359/173; 359/152;
`370/338
`
`
`
`City Cell, Cellular Industry The Day Group, “ADC Kentrox
`CityCell Field Trial Yields Another First: Simultaneous
`Analog and Digital Calls,” (1 page).
`“A Two-Way Wavelength—Division—Multiplexing Trans-
`mission and its Application to a Switched TV Distribution
`System,” Electrical Communication Laboratories, Nipon
`Telegraph & Telephone Public Corporation, Yokosuka,
`Japan and Technical Bureau, Nippon Telegraph & Telephone
`i
`‘
`sdeki
`Tshi
`Public Corporation, Tokyo, Japan, Hideki Ishio, et al. (10
`pages).
`Microwaves & RF, Mar. 1993, “Offshore Markets Gain in
`Size, Competitiveness, Even the smallest industry compa-
`nies are expanding their global business, despite such costly
`_—_ distractions as ISO 9000.” (1 page).
`:
`.
`(List continued on next page.)
`
`Field of Search o.....cccccsesscsssssssssseees 379/58, 59, 60;
`455/33.1, 33.2, 33.3, 33.4, 54.1, 56.1, 52.1,
`53.1, 6.3; 359/152, 172, 173; 370/94.1,
`95.1, 95.3
`
`Primary Examiner—Curtis Kuntz
`Assistant Examiner—G. J. Ochling
`Attorney, Agent, or Firm—Schwegman, Lundberg, Woess-
`ner & Kiuth, P.A.
`
`[56]
`
`References Cited
`
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`...
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`
`
`455/33
`455/33
`
`.
`
`ABSTRACT
`57]
`Amicrocellular communications network has multiple base-
`station units
`all
`at
`a common location. Each unit has
`all-digital transmitters and receivers coupled by fiber optic
`cable to individual remote locations each having power
`amplifiers and diversity receivers which convert the RF
`signals directly between analog RF and digital signals in the
`RF band at the remote locations. The system includes
`filtering, framing, and multiplexing of multiple channels.
`The system also provides passive handoff and passive
`switching. The system may be deployed in two different
`stages.
`
`(List continued on next page.)
`
`3 Claims, 58 Drawing Sheets
`
`
`
`336
`
`HEAD END.
`
`38
`
`
`
`pots;
`DATA
`
`
`
`A VIDEO
`
`
`
`332
`
`
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`
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`
`Page 1
`
`
`
`
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`

`
`
`5,644,622
`Page 2
`
`U.S. PATENT DOCUMENTS
`
`
`
`
`
`
`
`379/60
`.....cserssssssesseseseee 359/152
`370/85.7
`
`
`
`.
`
`
`
`5/1987 Eriksson-Lennartsson ............. 379/60
`4,669,107
`7/1988 Han
`379/59
`4,759,051
`12/1988
`379/59
`4,790,000
`1/1989
`4,797,947
`5/1989
`4,831,662
`4/1990
`4,916,460
`6/1990
`4,932,049
`Lee
`11/1991
`5,067,147
`11/1991 Gordon et all.
`5,067,173
`1/1992 Russell ...
`5,084,869
`10/1992 Takagi ....
`5,159,479
`...
`12/1992 Wejke et al.
`5,175,867
`3/1993 Chien-Yeh Lee .....ssssssescsscsees 379/60
`5,193,109
`9/1993 Lee
`370/953
`5,243,598
`10/1993 Heidemann ..............sscsssesesees 359/145
`5,251,053
`11/1993 Blakeney, Tl et ab.
`wees 375/1
`5,267,261
`1/1994 Vella-Coleiro .....
`5,278,690
`
`
`1/1994 Gilhousen et al.
`5,280,472
`375/14
`2/1994 Vanderpool ....
`5,285,469
`- 379/63
`3/1994 Bouix et al.
`5,297,193
`
`4/1994 O’Neill ......
`. 359/145
`5,301,056
`4/1994 Laborde .....
`ww 379/59
`5,303,287
`
`4/1994 English et al
`370/32.1
`5,305,308
`5/1994 Gilhousen et “al.
`sccssusussenenee 375/1
`5,309,474
`8/1994
`5,339,184
`5,381,459 = 1/1995
`5,392,453
`2/1995
`
`
`
`“New Microcell Technology Sets Cellar Carriers Free,”
`David Russell, Telephony, Mar., 1993, pp. 40, 42 and 46.
`“Kentrox boosts coverage and capacity,” Steven Titch, News
`Editor, Telephony, Jan. 25, 1993 (1 page).
`News Release—“ADC Kentrox Introduces Innovative Wire-
`less Network Access Solution Cellular Subscribers Offered
`a New Level of Portable Services,” ADC Kentrox, Mar. 1,
`1993 (3 pages).
`News Release “First Field Trial Results Exceeds Expecta-
`tion” (Mar. 2, 1993).
`“New Signal Transport Technology Digitizes The Cellular
`Band” Cellular Industry—The Day Group.
`“ADC Kentrox Introduces CITYCELL 824, A Replacement
`For Conventional Cell Sites”; Company’s Original Goal
`Was To Improve Fiber Optic T1 Links Between Cells,
`MTSOs, Telocator Bulletin, Feb. 1993.
`“Digital Transport for Cellular,” Microwaves & RF, Feb.
`1993.
`ADC Kentrox Wireless System Group CityCelI™ 824—A
`positioning white paper, (Mar. 1993) CITA Trade Show.
`
`Page 2
`
`
`
`
`
`
`
`
`
`Broadband Optical Transport Digital Microcell Connection
`Service — Interface and Performance Specifications. A
`technical descriptionof the User~Network Interface and per-
`formance specification for Amaurotic Digital Microcell
`Connection Service. To: Amaurotic and Vendor Community.
`AM TR-NIS 000117. Issue 1, Dec. 1993.
`Zone Master™ — “Maximum Coverage for High—-Capacity
`Locations”, Decibel Multi Media MicroCELL System. Four
`pages 1993 Decibel Products, 2~83-5M.
`Personal Wireless, Special Report/Communications, IEEE
`Spectrum (Jun. 1993).
`Fiber Optic Antenna Remoting for Multi-Sector Cellular
`Cell Sites, Douglas D. Tang GTE Laboratories — Abstract
`(Conference Jun. 14~18, 1992).
`Urban Microcell System Layout, GTE Laboratories (Con-
`ference Jun. 14-18, 1992).
`A Radio System Proposal Widespread Low-Power Tether-
`less Communication, Donald C. Cox, IEEE, vol. 290, No. 2
`(Feb., 1991), pp. 328-329,
`Land Mobile Radio Systems —- A Tutorial Exposition, S.C.
`Gupta, IEEE, vol. 23 No. 6, (Jun. 1985) pp. 34-41.
`Prof. R. Steele, B.Sc., Ph.D., D.Sc., C. Eng., Sen. Mem.
`LE.EE., M.LEE. “Towards a High Capacity Digital Cellu-
`lar Mobile Radio System”, JEEE Proceedings, vol. 132,
`PLE, No. 5, Aug. 1985.
`“And now a few words from your CUSTOMERS ... ” Four
`pages. ADC Kentrox© A Subsidiary of ADC Telecommu-
`nications, Inc. Aug. 1992-4069.
`41st IEEE Vehicular Technology Conference, May 19-22,
`1991, Gateway to the Future Technology, 91CH2944~7,
`British Telecom Research Laboratories,
`R P Merrett,
`A J
`Copper &
`IC Symington, “A Cordless Access System Using
`Radio—Over-Fibre Technique,” pp. 921-924.
`1993 43rd IREE Vehicular Technology Conference, May
`18-20,
`1993,
`Personal Communication — Freedom
`Through Wireless Technology, Waseca Technology Inc.,
`Philip M. Wala, published May 18, 1993, “A New Microcell
`Architecture Using Digital Optical Transport,” pp. 585-588.
`1993 43rd IEEE Vehicular Technology Conference, May
`18-20,
`1993,
`Personal
`Communication — Freedom
`Through Wireless Technology, PacTel Corporation, W.C.Y.
`Lee, Terry Benz, Ron Rudokas, published May 18, 1993,
`“Intelligent Microcell Applications In PCS,” pp. 722-725.
`Vehicular Technology Society 42nd VTS Conference Fron-
`tiers of Technology, From Pioneers to the 21st Century, GTE
`Laboratories Incorporated, Vincent O’Byrne, “TDMA and
`CDMA in a Fiber—Optic Environment,” vol. 2 of 2, pp.
`727-731.
`
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`US. Patent
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`Jul. 1, 1997
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`US. Patent
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`Jul. 1, 1997
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`Jul. 1, 1997
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`U.S. Patent
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 10 of 58
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`US. Patent
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`Jul. 1, 1997
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`Sheet 11 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 12 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 13 of 58
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`Jul. 1, 1997
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`Sheet 14 of 58
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`Sheet 15 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 16 of 58
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`Jul. 1, 1997
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`Sheet 16 of 58
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`US. Patent
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`Jul. 1, 1997
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`Sheet 18 of 58
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`US. Patent
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`Jul. 1, 1997
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`Sheet 19 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 20 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 21 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 22 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 23 of 58
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`Sheet 24 of 58
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`U.S. Patent
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 26 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 27 of 58
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`US. Patent
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`Jul. 1, 1997
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`Page 31
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`U.S. Patent
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`US. Patent
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`Jul. 1, 1997
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`U.S. Patent
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`Jul. 1, 1997
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`Jul. 1, 1997
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`USS. Patent
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`Jul. 1, 1997
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`US. Patent
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`Jul. 1, 1997
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`Sheet 35 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 36 of 58
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 37 of 58
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`

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`U.S. Patent
`
`Jul. 1, 1997
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`Sheet 38 of 58
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`CommScope Ex. 1029
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`U.S. Patent
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`Jul. 1, 1997
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`Sheet 39 of 58
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`Page 41
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`CommScope Ex. 1029
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`

`US. Patent
`
`Jul. 1, 1997
`
`Sheet 40 of 58
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`5,644,622
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`Page 42
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`CommScope Ex. 1029
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`

`

`USS. Patent
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`Jul. 1, 1997
`Fig. 35A
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`Sheet 41 of 58
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`Page 43
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`CommScope Ex. 1029
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`

`

`U.S. Patent
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`Jul. 1, 1997
`
`Sheet 42 of 58
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`5,644,622
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