If you mean 'how to avoid a collision' then look for a 'start' pulse being received during a ten bit period. If nothing is received, then it's OK to send.
sir,pebe .......I want to decode cdma call signal without knowing the actual spread code used at the transmitter. any idea for this project.............i can mail my paper if you can help me with th
Perhaps you meant how you can stop collision. Its simple just look for a Start pulse being received during a ten bit period.If you received nothing then it's fine to send.