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1. WO2001078255 - PROCEDE ET APPAREIL DE COMBINAISON DE TEMPS DE PROPAGATION DE RECEPTION EN DIVERSITE DANS UN REPETEUR DE SYSTEME SANS FIL

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CLAIMS
What is claimed is:
1. In a wireless telecommunication system consisting of a plurality of cells, the plurality of cells being located substantially adjacent to one another, and the cellular communication system operating over a specified frequency range, the wireless telecommunication system making use of a frequency allocation plan that arranges the cells into clusters wherein only one of said cells within said cluster contains a broadband base transceiver station, the cellular communication system comprising:

an in-band translator apparatus located in each of
said cluster of cells not containing said broadband base transceiver station, wherein said in-band
translator apparatus employs uplink delay combining for receive diversity.

2. A wireless telecommunication system as in claim 1,
wherein said wireless communication system is a GSM-based system.

3. A wireless telecommunication system as in claim 2,
wherein said GSM-based system is one of GSM- 900, GSM- 1800, and GSM-1900.

4. A wireless telecommunication system as in claim 1,
wherein said in-band translator communicates with said broadband transceiver station via a wireless backhaul link, said system further comprising: •

means for maintaining said receive diversity over
said backhaul link.

5. In a wireless telecommunication system consisting of a plurality of cells, the plurality of cells being located substantially adjacent to one another, and the cellular communication system operating over a specified frequency range, the wireless communication system making use of a frequency allocation plan that arranges the cells into clusters wherein only one of said cells within said
cluster contains a broadband base transceiver station, a method of providing wireless communication with a
plurality of mobile stations comprising:

receiving a first signal from at least one of said
plurality of mobile stations;
receiving a second spatially diverse signal from
said at least one of said plurality of mobile
stations;
delaying one of said received signals;
combining said signals; and
transmitting said combined signal to said broadband base transceiver station.

6. ' The method of providing wireless communication with a plurality of mobile stations in accordance with claim 5, wherein:

said second spatially diverse signal is received at least 8 wavelengths apart from said first received
signal .

7. The method of providing wireless communication with a plurality of mobile stations in accordance with claim 5, wherein:

the interval for delaying said one of said received signals is up to 16 μsec .

8. The method of providing wireless communication with a plurality of mobile stations in accordance with claim 5, wherein said in-band translator communicates with said broadband transceiver station via a wireless backhaul link, said method further comprising the step of:

maintaining said receive diversity over said
backhaul link.
9. In a wireless telecommunication system consisting of a plurality of cells, the plurality of cells being located substantially adjacent to one another, and the cellular communication system operating over a specified frequency range, the wireless telecommunication system making use of a frequency allocation plan that arranges the cells into clusters wherein only one of said cells within said cluster contains a broadband base transceiver station, the cellular communication system comprising:

an in-band translator apparatus located in each of
said cluster of cells not containing said broadband base transceiver station, said inband translator
further comprising:
first antenna means for receiving a first
signal from at least one of a plurality of
mobile units;
second antenna means for receiving a second
signal from said at least one of a plurality of
mobile units;
delay means for delaying said second signal;
combining means for combining said first signal
and said delayed second signal;
third antenna means for transmitting said
combined signal to said broadband base
transceiver station.

10. A wireless telecommunication system as in claim 9,
wherein said wireless communication system is a GSM-based system.

11. A wireless telecommunication system as in claim 9,
wherein said wireless communication system is one of GSM- 900 , GSM- 1800 , and GSM- 1900 .

12. A wireless telecommunication system as in claim 9,
wherein the interval for delaying said second signal is up to 16 μsec .

13. A wireless telecommunication system as in claim 9,
wherein said at least one of a plurality of mobile units is located in the cell containing said in-band
translator.

14. A wireless telecommunication system as in claim 9,
wherein said at least one of a plurality of mobile units is located in one of said plurality of cells adjacent to said one of said plurality of cells containing said in- band translator.

15. A wireless telecommunication system as in claim 9,
wherein said first antenna means is separated from said second antenna means by at least 8 wavelengths.

16. A wireless telecommunication system as in claim 9,
wherein said in-band translator communicates with said broadband transceiver station via a wireless backhaul
link, said method further comprising the step of:
maintaining said receive diversity over said
backhaul link in said signal transmitted from said
third antenna means .

17. A wireless telecommunication system as in claim 16,
wherein said wireless backhaul link communications use the same frequency band as said first and second signals.