U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Frequency assigning method in a seven cell frequency plan for a cellular communications system without adjacent frequencies

Patent 5924037 Issued on July 13, 1999. Estimated Expiration Date: Icon_subject December 31, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method for assigning telecommunications channels in a cellular telephone system
Patent #: 5111534
Issued on: 05/05/1992
Inventor: Benner

Cellular frequency reuse cell plan
Patent #: 5247699
Issued on: 09/21/1993
Inventor: Hartman

Three-cell wireless communication system
Patent #: 5402413
Issued on: 03/28/1995
Inventor: Dixon

Frequency plan for a cellular network
Patent #: 5483667
Issued on: 01/09/1996
Inventor: Faruque

Broadband CDMA overlay system and method Patent #: 5703874
Issued on: 12/30/1997
Inventor: Schilling

Inventor

Application

No. 775835 filed on 12/31/1996

US Classes:

455/447, Frequency reuse scheme455/446Including cell planning or layout

Examiners

Primary: To, Doris H.

Attorney, Agent or Firm

International Class

H04Q 007/00

Abstract

A cell cluster for use with a frequency re-use pattern is disclosed. The cell cluster comprises seven antenna sites arranged in first and second adjacent columns having four sites associated with the first column and three sites associated with the second column. Frequency groups are assigned to each of the antenna sites such that no adjacent channel interference exist between the antenna sites or between any similarly configured cell clusters associated with the cell cluster.

Other References

  • Gamst, Andres, "Homogeneous Distribution of Frequencies in a Regular Hexagonal Cell System", IEEE, vol. VT-31, No. 3, pp. 132-144, 1982
  • Stjernvall, Jan-Erik, "Calculation of Capacity and Co-Channel Interference in a Cellular System", Nordic Seminar on Digital Land Mobile Radiocommunication, Espoo, Finland, Feb. 5-7, 1985
  • Arnaud, Jean-Francois, "Frequency Planning for Broadcast Services in Europe", IEEE, vol. 68, No. 12, pp. 1515-1522, Dec. 1980
  • Hale, William K., "Frequency Assignment: Theory and Applications", IEEE, vol. 68, No. 12, pp. 1497-1514, Dec. 1980
  • Mac Donald, V. H., "Advanced Mobile Phone Service: The Cellular Concept", American Telephone and Telegraph Company, The Bell System Technical Journal, vol. 58, No. 1, pp. 15-41, Jan. 1979
  • "Fundamentals of Cellular Communications", Chapter 5, pp. 79-97
  • Frenkiel, Richard H., "A High-Capacity Mobile Radiotelephone System Model Using a Coordinated Small-Zone Approach", IEEE Transactions on Vehicular Technology, vol. VT-19, No. 2, pp. 173-177, May 197
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