Wireless base station, wireless apparatus, wireless control apparatus, wireless communication system, communication method, and wireless terminal

Abstract

A wireless base station for communicating with a wireless terminal includes: a wireless apparatus configured to perform first signal processing, the first signal processing including wireless signal processing among signal processing of the wireless base station; a wireless control apparatus configured to perform second signal processing, the second signal processing being different from the first signal processing; and a transmitter that includes at least any of a first transmitter and a second transmitter, the first transmitter being configured to notify the wireless control apparatus of first information relating to the first signal processing, the second transmitter being configured to notify the wireless apparatus of second information relating to the second signal processing.

What is claimed is: 
     
         1 . A wireless base station for communicating with a wireless terminal, comprising:
 a wireless apparatus configured to perform first signal processing, the first signal processing including wireless signal processing among signal processing of the wireless base station;   a wireless control apparatus configured to perform second signal processing, the second signal processing being different from the first signal processing; and   a transmitter that includes at least any of a first transmitter and a second transmitter, the first transmitter being configured to notify the wireless control apparatus of first information relating to the first signal processing, the second transmitter being configured to notify the wireless apparatus of second information relating to the second signal processing.   
     
     
         2 . The wireless base station according to  claim 1 ,
 wherein the wireless control apparatus is configured to, based on the first information, perform at least any of a first control and a second control, the first control being control of the second signal processing, the second control being control of a transfer method for transferring a signal on which signal processing is performed, to and from the wireless apparatus.   
     
     
         3 . The wireless base station according to  claim 1 ,
 wherein the wireless apparatus is configured to, based on the second information, perform at least any of a first control and a second control, the first control being control of the first signal processing, the second control being control of a transfer method for transferring a signal on which signal processing is performed, to and from the wireless control apparatus.   
     
     
         4 . The wireless base station according to  claim 2 ,
 wherein the control of the transfer method includes at least any of a third control and a fourth control, the third control being control of a protocol for transferring the signal, the fourth control being control of a type of data of the signal that is to be transferred.   
     
     
         5 . The wireless base station according to  claim 1 ,
 wherein the wireless control apparatus is configured to perform processing that transmits to the wireless terminal the first information and information relating to a cell formed by the wireless apparatus.   
     
     
         6 . The wireless base station according  claim 1 ,
 wherein the wireless apparatus is configured to perform processing that notifies the wireless terminal of the second information and the information relating to the cell that is formed by the wireless apparatus.   
     
     
         7 . The wireless base station according to  claim 1 ,
 wherein the wireless apparatus is configured to
 perform first reception processing on a first signal received from the wireless terminal, the first reception processing being a part of the first signal processing, 
 transfer the first signal on which the first reception processing is performed, to the wireless control apparatus, and 
 wirelessly transmit, to the wireless terminal, a second signal that results from performing first transmission processing on a third signal received form the wireless control apparatus, the first transmission processing being a part of the first signal processing, and 
   wherein the wireless control apparatus is configured to
 perform second reception processing on the first signal that is received from the wireless apparatus, the second reception processing being a part of the second signal processing, 
 transfer the first signal on which the second reception processing is performed, to a higher-level apparatus in the base station, 
 perform second transmission processing on a fourth signal received from the higher-level apparatus, the second transmission processing being a part of the second signal processing, 
 transfer, to the wireless apparatus, the fourth signal on which the second transmission processing is performed. 
   
     
     
         8 . A wireless apparatus for a wireless base station configured to communicate with a wireless terminal, the wireless apparatus comprising:
 a processor configured to perform first signal processing, the first signal processing including wireless signal processing among signal processing of the wireless base station;   an interface configured to perform signal transfer to and from a wireless control apparatus, the wireless control apparatus being configured to perform second signal processing different from the first signal processing; and   a first transmitter configured to notify the wireless control apparatus of first information relating to the first signal processing.   
     
     
         9 . A wireless control apparatus for a wireless base station configured to communicate with a wireless terminal, the wireless control apparatus comprising:
 a processor configured to perform second signal processing, the second signal processing being a part of signal processing in the wireless base station;   an interface configured to perform signal transfer to and from a wireless apparatus, the wireless apparatus being configured to perform first signal processing different from the second signal processing; and   a second transmitter configured to notify the wireless apparatus of second information relating to the second signal processing.   
     
     
         10 . A wireless communication system comprising:
 a wireless terminal; and   a wireless base station configured to communicate with the wireless terminal, the wireless base station comprising:
 a wireless apparatus configured to perform first signal processing which includes wireless signal processing among signal processing of the wireless base station; 
 a wireless control apparatus configured to perform second signal processing different from the first signal processing; and 
 a transmitter that includes at least any of a first transmitter and a second transmitter, the first transmitter being configured to notify the wireless control apparatus of first information relating to the first signal processing, the second transmitter being configured to notify the wireless apparatus of second information relating to the second signal processing. 
   
     
     
         11 . A communication method performed in a wireless base station for communicating with a wireless terminal, the wireless base station including a wireless apparatus and a wireless control apparatus, the method comprising:
 performing, by the wireless apparatus, first signal processing that includes wireless signal processing among signal processing of the wireless base station;   performing, by the wireless control apparatus, second signal processing different from the first signal processing; and   performing, by a transmitter, at least any of first notification processing and second notification processing, the first notification processing being configured to notify the wireless control apparatus of first information relating to the first signal processing, the second notification processing being configured to notify the wireless apparatus of second information relating to the second signal processing.   
     
     
         12 . The wireless control apparatus according to  claim 9 ,
 wherein the processor includes a first processor and a second processor;   wherein the first processor is configured to perform the second signal processing on a first signal that is to be transferred via a first wireless apparatus to any of the one or more of wireless terminals, the second signal processing being different from first signal processing in the first wireless apparatus, the first signal processing including wireless signal processing among signal processing of the wireless base station;   wherein the second processor is configured to perform the second signal processing on a second signal that is to be transferred via a second wireless apparatus to any of the one or more of wireless terminals, the second signal processing being different from the first signal processing in the second wireless apparatus, the second wireless apparatus including the wireless signal processing among the signal processing of the wireless base station; and   wherein the interface is configured to transmit the first signal to the first wireless apparatus and transmit the second signal to the second wireless apparatus, via the same transfer path.   
     
     
         13 . The wireless control apparatus according to  claim 12 ,
 wherein the first processor is configured to add first information relating to the first signal processing in the first wireless apparatus, to the first signal for the first wireless apparatus,   wherein the second processor is configured to add second information relating to the first signal processing in the second wireless apparatus, to the second signal for the second wireless apparatus, and   wherein the interface is configured to
 transfer the first signal by using a transfer method that is based on the first information associated with the first signal, and 
 transfer the second signal by using a transfer method that is based on the second information associated with the second signal. 
   
     
     
         14 . The wireless control apparatus according to  claim 12 ,
 wherein the first signal processing by the second wireless apparatus is different from the first signal processing by the first wireless apparatus.   
     
     
         15 . The wireless apparatus according to  claim 8 ,
 wherein the processor is configured to perform the first signal processing on a signal that is to be transferred via the first wireless apparatus; and   wherein the interface is configured to perform signal transfer between the wireless control apparatus and a second wireless apparatus, the wireless control apparatus being configured to perform second signal processing which differs from the first signal processing, the second wireless apparatus being one of the plurality of wireless apparatuses.   
     
     
         16 . The wireless apparatus according to  claim 15 ,
 wherein the processor is configured to add information relating to the first signal processing, to a first signal for the wireless control apparatus, and   wherein the interface is configured to transfer a signal to the wireless control apparatus by using a transfer method that is based on the information associated with the first signal for the wireless control apparatus.