高通笔试题 1. can you describe the trend of wireless mobile communication industry? ( letters) 2. compare the major third generation technologies.( letters) 3. describe the characteristics of walsh function. explain how to generate walsh function. ( letters) 4. list factors that will affect the capacity of forward and reverse links of a cdma system. ( letters) 5. what are the differences between is-95 a/b and cdma 1x? ( lette rs) |