Per Gunnar Heikkilä

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Lulea, SE

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Patents Grantslast 30 patents

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Speech quality measurement based on radio link parameters and objec...
- Patent number 6,201,960
- Issue date Mar 13, 2001
- Telefonaktiebolaget LM Ericsson (publ)
- Tor Björn Minde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE