CDMA mobile station apparatus and CDMA transmission method

Abstract

Burst frame generation circuit 307 generates burst data solely made of pilot symbols and transmission power control symbols. Transmission interval control circuit 308 controls the transmission interval of said burst data N times (N: a natural number) one slot at the end of transmission and maintains synchronization while reducing power consumption.

What is claimed is:  
     
         1 . A CDMA mobile station apparatus, comprising: 
 transmission frame generation means for generating frames by inserting pilot symbols and transmission power control symbols into transmission data;    burst frame generation means for generating burst frames solely made up of pilot symbols and transmission power control symbols;    transmission interval control means for controlling a transmission interval of said burst data; and    transmission means for transmitting said transmission data and said burst data by radio.    
     
     
         2 . The CDMA mobile station apparatus according to  claim 1 , comprising: 
 repetition processing means for arranging pilot symbols and transmission power control symbols in series respectively.    
     
     
         3 . The CDMA mobile station apparatus according to  claim 1 , wherein transmission interval control means transmits burst data non-cyclically.  
     
     
         4 . The CDMA mobile station apparatus according to  claim 3 , wherein burst frame generation means generates burst frames using burst transmission power symbols instead of transmission power control symbols and transmission means transmits said burst data with a same value as a transmission power value extracted from received data.  
     
     
         5 . A CDMA base station apparatus, which performs cellular radio communications with the CDMA mobile station apparatus according to  claim 1 .  
     
     
         6 . A cellular radio communication system, which performs cellular radio communications using the CDMA mobile station apparatus according to  claim 1  and the CDMA base station apparatus according to  claim 5 .  
     
     
         7 . A CDMA transmission method, which generates transmission frames by inserting pilot symbols and transmission power control symbols into transmission data, transmits transmission data by radio, generates burst frames solely made up of pilot symbols and transmission power control symbols if there are no transmission data and transmits burst data by radio by controlling transmission intervals.  
     
     
         8 . The CDMA transmission method according to  claim 7 , which transmits by radio burst data subjected to processing of arranging pilot symbols and transmission power control symbols in series respectively.  
     
     
         9 . The CDMA transmission method according to  claim 7 , which transmits burst data non-cyclically.  
     
     
         10 . The CDMA transmission method according to  claim 9 , which generates burst frames using burst transmission power symbols instead of transmission power control symbols and sets a burst data transmission power value same as a transmission power value extracted from received data.