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US007756078B2

(12) United States Patent

Wyk et al.

(io) Patent No.: (45) Date of Patent:

US 7,756,078 B2 Jul. 13, 2010

(54) CELL SIZE MANAGEMENT

(75) Inventors: Hartman Van Wyk, Mont Louis sur

Loire (FR); Jerome Bartier, Montrouge
(FR)

(73) Assignee: Itron, Inc., Liberty Lake, WA (US)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 204 days.

(21) Appl.No.: 11/901,293

(22) Filed: Sep. 14, 2007

(65) Prior Publication Data

US 2008/0068989 Al Mar. 20, 2008

Related U.S. Application Data

(60) Provisional application No. 60/845,056, filed on Sep. 15, 2006, provisional application No. 60/845,994, filed on Sep. 20, 2006.

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The present technology relates to protocols relative to utility meters associated with an open operational framework. More particularly, the present subject matter relates to protocol subject matter for advanced metering infrastructure, adaptable to various international standards, while economically supporting a 2-way mesh network solution in a wireless environment, such as for operating in a residential electricity meter field. The present subj ect matter supports meters within an ANSI standard C12.22/C12.19 system while economically supporting a 2-way mesh network solution in a wireless environment, such as for operating in a residential electricity meter field, all to permit cell-based adaptive insertion of C12.22 meters within an open framework. Cell isolation is provided through quasi-orthogonal sequences in a frequency hopping network. Additional features relate to apparatus and methodology subject matters relating to cell size management.

23 Claims, 44 Drawing Sheets

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