Radio transmission method and radio transmission device

Abstract

A transmission process of control data is carried out simply and the reliability of transmission of the control data is improved. Data transmission among a plurality of communication stations is performed with a predetermined packet arrangement and transmission of the control data from a control station or a communication station is performed with the same predetermined packet arrangement.

1. A radio transmission method, comprising the steps of:
 transmitting data among a plurality of communication stations with a predetermined packet arrangement;   transmitting control data from one of a communication station of said plurality of communication stations and a control station with said predetermined packet arrangement;   adding one of a predetermined error detecting code and a predetermined error correcting code to said data to be transmitted among said plurality of communication stations with said predetermined packet arrangement; and   adding independently one of an error detecting code and an error correcting code to said control data transmitted with said predetermined packet arrangement.   
     
     
       2. A radio transmission method, comprising the steps of:
 transmitting data added with one of a first error detecting code and a first error correcting code among a plurality of communication stations; and   transmitting control data indicating a transmission control of said data, wherein said control data is independently added with one of a second error detecting code and a second error correcting code.   
     
     
       3. A radio transmission method, comprising the steps of:
 transmitting data among a plurality of communications stations with a predetermined packet arrangement; and   transmitting control data repeatedly from one of a communication station of said plurality of communication stations and a control station a plurality of times with said predetermined packet arrangement;   adding one of an error detecting code and an error correcting code to each of a plurality of units of said control data transmitted said plurality of times;   performing one of an error detecting process and an error correcting process on a reception side, wherein each of said plurality of units of said control data carries out a control process by utilizing said control data with no error.   
     
     
       4. A radio transmission device, comprising:
 a transmission data processing unit for processing data transmitted between said radio transmission device and another said radio transmission device with a predetermined packet arrangement;   a control unit for judging whether control data for an access control is included in a header portion of said predetermined packet arrangement and for performing a corresponding control process; and   one of an error detection processing unit and an error correction processing unit for performing one of a first error detecting process and a first error correcting process by utilizing one of a first predetermined error detecting code and a first predetermined error correcting code, respectively, added to said data with said predetermined packet arrangement and at the same time for performing one of a second error detecting process and a second error correcting process by utilizing one of a second predetermined error detecting code and a second predetermined error correcting code independently added to said control data included in said header portion.   
     
     
       5. A radio transmission device for use in performing radio data transmission between said radio transmission device and another said radio transmission device under a control from a predetermined one of said radio transmission devices, comprising:
 one of an error detection processing unit and an error correction processing unit for performing one of a first error detecting process and a first error correcting process by utilizing one of a first error detecting code and a first error correcting code, respectively, added to data transmitted between said radio transmission device and said another radio transmission device and at the same time for performing one of a second error detecting process and a second error correcting process by error utilizing a second error detecting code and a second error correcting code, respectively, independently added to control date for performing access control.   
     
     
       6. A radio transmission method comprising:
 transmitting a control packet from a communication station or a control station;   transmitting a data packet; and   controlling to arrange each of said control packet and said data packet having a header field, the header field having a first field for error detecting or error correcting, said data packet further having at least one data field and a second field for error detecting or error correcting,   in which a structure of the header field and the first field for error detecting or error correcting of said control packet is the same as that of the header field and the first field for error detecting or error correcting of said data packet,   in which tail bits indicating a termination of information are arranged after the first field for error detecting or error correcting of the control packet, and   in which said control packet does not include the data field.    
     
     
       7. The method according to claim 6, in which the respective first field for error detecting or error correcting is usable to detect or correct an error or errors which occurred in the respective header field.  
     
     
       8. The method according to claim 6, in which the second field for error detecting or error correcting is for detecting or correcting an error or errors which occurred in the data field.  
     
     
       9. The method according to claim 8, in which the control packet includes the tail bits which indicate a termination of information in the respective control packet.  
     
     
       10. The method according to claim 9, in which the tail bits are arranged at an end of the first field for error detecting or error correcting of the respective control packet.  
     
     
       11. The method according to claim 8, in which the data packet includes tail bits which indicate a termination of information in the respective data packet.  
     
     
       12. The method according to claim 11, in which the tail bits of the data packet are arranged after an end of the second field for error detecting or error correcting of the respective data packet.  
     
     
       13. The method according to claim 8, in which the structure includes a size such that the size of the header field and the first field for error detecting or error correcting is the same in said control packet and said data packet.  
     
     
       14. The method according to claim 6, wherein Orthogonal Frequency Division Multiplexing (OFDM) is used for the transmission.  
     
     
       15. A radio transmission apparatus comprising:
 a transmission device to transmit a control packet and to transmit a data packet,   each of said control packet and said data packet having a header field, the header field having a first field for error detecting or error correcting, said data packet further having at least one data field and a second field for error detecting or error correcting,   in which a structure of the header field and the first field for error detecting or error correcting of said control packet is the same as that of the header field and the first field for error detecting or error correcting of said data packet,   in which tail bits indicating a termination of information are arranged after the first field for error detecting or error correcting of the control packet, and   in which said control packet does not include the data field.    
     
     
       16. The apparatus according to claim 15, in which the respective first field for error detecting or error correcting is usable to detect or correct an error or errors which occurred in the respective header field.  
     
     
       17. The apparatus according to claim 15, in which the second field for error detecting or error correcting is for detecting or correcting an error or errors which occurred in the data field.  
     
     
       18. The apparatus according to claim 15, in which the structure includes a size such that the size of the header field and the first field for error detecting or error correcting is the same in said control packet and said data packet.  
     
     
       19. The apparatus according to claim 15, in which the control packet includes the tail bits which indicate a termination of information in the respective control packet.  
     
     
       20. The apparatus according to claim 19, in which the tail bits are arranged at an end of the first field for error detecting or error correcting of the respective control packet. 
     
     
       21. The apparatus according to claim 15, in which the data packet includes tail bits which indicate a termination of information in the respective data packet.  
     
     
       22. The apparatus according to claim 21, in which the tail bits of the data packet are arranged after an end of the second field for error detecting or error correcting of the respective data packet.  
     
     
       23. The apparatus according to claim 15, wherein Orthogonal Frequency Division Multiplexing (OFDM) is used for the transmission.