Dynamic reallocation of spectral capacity in cellular communication systems

• US 5,448,621 A
• Filed: 08/02/1993
• Issued: 09/05/1995
• Est. Priority Date: 08/02/1993
• Status: Expired due to Term

• Current Assignee: CDC Propriete Intellectuelle
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Knudsen, John T.
• Primary Examiner(s): Chan, Wing F.
• Assistant Examiner(s): CUMMING, WILLIAM D
• Application Number:
  US08/100,853
• Time in Patent Office: 764 Days
• Field of Search: 370/18, 370/95.3, 370/84, 375/1, 375/205, 379/56, 379/58, 379/59, 379/60, 455/33.1, 455/33.2, 455/33.4, 455/50, 455/56.1, 455/17, 380/21, 502/110
• US Class Current: 455/427
• CPC Class Codes: H04B 7/18539 Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
• CPC Class Codes: H04W 16/06 Hybrid resource partitioning, e.g. channel borrowing

Abstract

In a cellular communication system where satellite nodes are moving with respect to the earth'"'"'s surface, frequencies and time-slots are dynamically reallocated between cells in response to demand for services. When a particular cell is at or near its capacity because of a high demand for services, or is projected to be at or near capacity, spectral capacity is reallocated from nearby cells to meet the increase in demand. The reallocation in capacity is based on both real time cell loading data and historical cell loading information based on previous experiences.

Claims