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Message: CDMA 60 years in the making

For an example of how long a technology can take to be adopted, look no further than CDMA.

 

Code Division Multiple Access (CDMA) technology was developed over several decades, with significant milestones along the way. Here's a brief overview of its history:

  1. Early Conceptual Work: The basic concept of CDMA dates back to the 1940s. During World War II, the principles of spread-spectrum technology, which CDMA is based on, were used for secure military communications.

  2. Patent and Theoretical Development: In the 1940s, actress Hedy Lamarr and composer George Antheil developed and patented a frequency-hopping spread spectrum technique, which is a precursor to CDMA technology.

  3. Modern CDMA Development: The practical development and implementation of CDMA as we know it today started in the 1970s and 1980s. The key figure in this development was Dr. Irwin M. Jacobs, co-founder of Qualcomm. Qualcomm played a crucial role in advancing CDMA technology for commercial use.

  4. Commercial Deployment: The first commercial CDMA network was launched in 1995 by Hutchison Telecom in Hong Kong, followed by other networks around the world. The CDMA standard was officially accepted by the Telecommunications Industry Association (TIA) as IS-95.

CDMA technology became one of the primary methods for mobile communication, competing with GSM technology, and was widely adopted in various countries, especially in the United States.

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