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 Title: |
US6115407:
Frequency hopping communication method and apparatus for modifying frequency hopping sequence in accordance with counted errors
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Gendel, Alon; Raanana, Israel
Waisblum, Yossi; Kfar Saba, Israel
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| Assignee: |
Butterfly VSLI Ltd., Kfar Saba, Israel
other patents from BUTTERFLY VSLI LTD. (772772) (approx. 2)
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| Published / Filed: |
2000-09-05
/ 1998-04-03
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| Application Number: |
US1998000054875
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| IPC Code: |
Advanced:
H04B 1/713;
H04J 13/06;
Core:
H04B 1/69;
H04J 13/02;
IPC-7:
H04B 15/00;
H04J 1/00;
H04K 1/00;
H04L 27/30;
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| ECLA Code: |
H04B1/713; H04B1/713F; H04J13/06;
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| U.S. Class: |
Current:
375/132;
370/343;
370/344;
370/480;
375/131;
375/133;
375/134;
375/135;
375/136;
375/137;
375/E01.033;
375/E01.036;
Original:
375/132;
375/131;
375/133;
375/134;
375/135;
375/136;
375/137;
370/343;
370/344;
370/480;
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| Field of Search: |
375/132,136,131,133,134,135,137
370/344,343,480
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| Priority Number: |
| 1998-04-03 |
US1998000054875 |
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| Abstract: |
The present invention is an apparatus and method thereof for performing frequency hopping (FH) communication with another party over an available spectrum of frequencies. The spectrum is arranged into a plurality of segments, with each segment corresponding to a subset of the frequencies, preferably a contiguous subset of the frequencies. The FH communication apparatus includes a communication device for communicating with another party. The communication device receives data over a sequence of hopping frequencies from the other party, with each of the hopping frequencies being part of a used segment from the plurality of segments. A storage device stores an error value for each used segment. A processing unit identifies a reception error in the received data and an erred segment in which the reception error occurred. The processing unit modifies the error value associated with the erred segment accordingly. The processing unit replaces the erred segment with an unused segment from the plurality of segments to attempt communication over a less error prone segment, when the error value for the erred segment has reached at least a predetermined threshold. The processing unit notifies the other party of the unused segment, which has been newly selected, via the communication device.
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| Attorney, Agent or Firm: |
Ohlandt, Greeley, Ruggiero & Perle, L.L.P. ;
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| Primary / Asst. Examiners: |
Chin, Stephen; Maddox, Michael W.
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| INPADOC Legal Status: |
Show legal status actions
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| Parent Case: |
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is related to application Ser. No. 09/054,877, entitled "AUTOMATIC TRANSMISSION POWER LEVEL CONTROL METHOD IN A FREQUENCY HOPPING COMMUNICATION SYSTEM," filed same date herewith, by Alon Gendel et al.
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| Family: |
None
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First Claim:
Show all 16 claims |
What is claimed is:
1. A method for performing frequency hopping communication with another party over an available spectrum of frequencies, the spectrum being arranged into a plurality of segments, each of the segments comprising a subset of the available spectrum including multiple possible hopping frequencies, the method comprising the steps of:
- (a) receiving data over a sequence of hopping frequencies, each of the hopping frequencies being part of one or more used segment(s) from the plurality of segments,
- (b) identifying an error in the received data and an erred segment in which the error occurred, and modifying an error value associated with the erred segment accordingly;
- (c) replacing the erred segment with an unused segment from the plurality of segments to attempt communication over a less error prone segment, when the error value for the erred segment reaches at least a predetermined threshold; and
- (d) notifying the other party of the unused segment which has been newly selected.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
Show description
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| Forward References: |
Show 14 U.S. patent(s) that reference this one
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