OFDM edging up to CDMA

OFDM edging up to CDMA

This brings up a deeper question: Is there a long-term battle brewing between CDMA and OFDM? CDMA is now well-established, but it is also amazingly complex. Power and noise control remain key issues. But perhaps the biggest issue is intellectual property (IP). The royalties paid to Qualcomm are a no...

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Veröffentlicht in:Electronic Engineering Times 2005-01 (1354), p.47
1. Verfasser: Mathias, Craig J
Format: Artikel
Sprache:eng
Schlagworte:
Code Division Multiple Access
Competition
Electronics industry
Intellectual property
Multiplexers
Noise control
Protocol
Wireless carriers
Wireless communications
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Zusammenfassung:This brings up a deeper question: Is there a long-term battle brewing between CDMA and OFDM? CDMA is now well-established, but it is also amazingly complex. Power and noise control remain key issues. But perhaps the biggest issue is intellectual property (IP). The royalties paid to Qualcomm are a not-insignificant cost of doing CDMA business. OFDM has far less IP baggage, at least at present.
ISSN:0192-1541