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Method and system for providing personal base station communications
| Details |
Inventors: Wheatley, III, Charles E.; Tiedemann, Jr., Edward G.; Odenwalder, Joseph P.; Krishnamurthi, Rajeev;
Assignee: Qualcomm Incorporated (San Diego, CA)
Primary Examiner: Nguyen; Chau
Assistant Examiner: Nguyen; Phuongchau Ba
Attorney, Agent or Firm: Wadsworth; Philip R., Baker; Kent D., Streeter; Tom
A method and system for operation of a personal base station where the forward link of a personal base station is on the same frequency assignment as a first forward link data signal transmitted by a macro base station belonging to a cellular communication system. A first subscriber station communicates with the macro base station. The personal base station generates a second forward link data signal and communicates with a second subscriber station. The personal base station receives the first forward link data signal and combines it with its own second forward link data signal to form a combined forward link data signal. The personal base station then transmits the combined forward link data signal. The first subscriber station is able to receive and diversity combine the combined forward link data signal, improving the signal to noise ratio that would otherwise occur in the vicinity of the personal base station. |
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DETAILED DESCRIPTION The present invention is a novel and improved method and system for providing personal base station communications within the "cell" of a cellular base station.
As defined and used herein the term "cell" will refer to a geographical coverage area whereas the term "cell-site" will be used to refer to the physical equipment used to perform communications, i.
e.
one or more base stations.
The present invention provides a method and system for operation of a personal base station where the forward link (base station to subscriber station) of a personal base station is on the same frequency assignment as the forward link of a macro base station belonging to a cellular communication system.
By operating the personal base station on the same frequency assignment as the macro base station, an operator is not required to use additional spectrum in order to support the micro base station.
Since an operator has a fixed amount of spectrum allocated to it, and if the operator was using au of its existing spectra, the operator would have to undergo great expense to add more cells to free up a frequency.
Other alternatives such as obtaining more spectrum are generally not available to an operator.
Although the present invention is disclosed herein with reference to a CDMA system, it is understood that the teachings are equally applicable to other wireless communication schemes, whether digital or analog, and regardless of the modulation scheme employed.
In the present invention, a first wireless base station is operated on the same frequency band as a second wireless base station.
The first wireless base station, a "macro" base station, generates and transmits a first forward link data signal and communicates with a first subscriber station.
A second wireless base station, a "micro" base station, generates a second forward link data signal and communicates with a second subscriber station.
The second wireless base station receives the first forward link data signal and combines it with its own second forward link data signal to form a combined forward link data signal
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Cell Phones 
