Communication system, base station apparatus, server apparatus, mobile station apparatus, and transmission data amount determining method

• US 20060067291A1
• Filed: 09/26/2005
• Published: 03/30/2006
• Est. Priority Date: 09/28/2004
• Status: Active Grant

• Current Assignee: Kyocera Corporation
• Original Assignee: Kyocera Corporation
• Inventors: Nakata, Koji
• Granted Patent: US 8,050,211 B2
• Time in Patent Office: Days
• US Class Current: 370/341
• CPC Class Codes: H04B 7/022 Site diversity; Macro-diversity using two or more spaced independent antennas H04B7/04
• CPC Class Codes: H04B 7/026 Co-operative diversity, e.g. using fixed or mobile stations as relays
• CPC Class Codes: H04B 7/155 Ground-based stations H04B7/204 takes precedence
• CPC Class Codes: H04L 47/10 Flow control; Congestion control

Abstract

It is advantageous for present invention to suitably determine amounts of transmission data for links in a multilink communication. In a mobile communication system (10) for making a multilink communication through which a communication is performed by using a plurality of links relayed by a plurality of base station apparatus (30), respectively, each of the base station apparatuses (30) acquire transmittable data amount information representing amounts of data able to be transmitted through the respective links by a mobile station apparatus (20) or a server apparatus (40), and the mobile station apparatus (20) or the server apparatus (40) determines amounts of transmission data to be transmitted to the respective links in correspondence to the transmittable data amount information, and transmits communication data of amounts of data corresponding to the amounts of transmission data determined to the respective links.

Claims

1. A communication system for making a multilink communication through which a communication is performed by using a plurality of links, said communication system comprising:

transmittable data amount information acquiring means for acquiring transmittable data amount information representing amounts of data able to be transmitted through each of said links;

transmission data amount determining means for determining amounts of transmission data to be transmitted to each of said links, in correspondence to the transmittable data amount information; and

communication data transmitting means for transmitting communication data of amounts of transmission data corresponding to the determined amounts of transmission data to each of said links.

2. A communication system according to claim 1, wherein

plurality of said communications are made in said communication system, and

said transmittable data amount information acquiring means acquires the transmittable data amount information for each communication.

3. A communication system for making a multilink communication through which a communication apparatus makes a communication by using a plurality of links, wherein

each of said links is a link through which data is relayed by each of a plurality of relay communication apparatuses,

each of said relay communication apparatuses comprising:

transmittable data amount information acquiring means for acquiring transmittable data amount information representing an amount of data which said communication apparatus is able to transmit through the link relayed by said relay communication apparatus; and

transmittable data amount information transmitting means for transmitting the transmittable data amount information to said communication apparatus, and

said communication apparatus comprising;

transmittable data amount information receiving means for receiving the transmittable data amount information transmitted thereto; and

communication data transmitting means for transmitting communication data of amounts of transmission data corresponding to amounts of transmittable data represented by the transmittable data amount information to each of said links.

4. A communication system according to claim 3, wherein

said communication system comprises a mobile communication system,

said communication apparatus communicates with a mobile station apparatus included in said mobile communication system by using said plurality of links,

said relay communication apparatus is base station apparatus included in said mobile communication system, and

the transmittable data amount information is information representing amounts of data which can be transmitted from said base station apparatus to said mobile station apparatus.

5. A communication system according to claim 4, wherein

the transmittable data amount information is determined in correspondence to the number of communications in a radio section of said base station apparatus.

6. A communication system according to claim 4, wherein

the transmittable data amount information is determined in correspondence to an error rate in a radio section of said base station apparatus.

7. A communication system according to claim 4, wherein

the transmittable data amount information is determined in correspondence to a data rate in a radio section of said base station apparatus.

8. A communication system according to claim 4, wherein

said communication apparatus communicates with a plurality of mobile station apparatuses while using a plurality of links with respect to each of said mobile station apparatuses,

said transmittable data amount information receiving means receives transmittable data amount information from each of base station apparatuses, respectively, every mobile station apparatus, with respect to each of said links used for the communication with the corresponding mobile station apparatus,

said communication data transmitting means comprises

rate calculating means for calculating rates of amounts of transmittable data for each of said links based on transmittable data amount information received with respect to said each of links every mobile station apparatus, and

said communication data transmitting means transmits the communication data to each of said links in correspondence to the rates calculated by said rate calculating means, thereby transmitting communication data of amounts of transmission data corresponding to amounts of transmittable data represented by the transmittable data amount information to said links, respectively.

9. A communication system according to claim 3, wherein

said communication system comprises a mobile communication system,

said communication apparatus is a mobile station apparatus included in said mobile communication system,

and said relay communication apparatus is base station apparatus included in said mobile communication system.

10. Base station equipment for use in a mobile communication system in which a mobile station apparatus communicates with a server apparatus by using a plurality of links relayed by a plurality of base station apparatus, respectively, said base station apparatus comprising:

transmittable data amount information acquiring means for acquiring transmittable data amount information representing an amount of data able to be transmitted through the link relayed by said base station apparatus from said base station apparatus to said mobile station apparatus; and

transmittable data amount information transmitting means for transmitting the transmittable data amount information to said server apparatus or said mobile station apparatus.

11. A server apparatus for use in a mobile communication system in which a mobile station apparatus communicates with a server apparatus by using a plurality of links relayed by a plurality of base station apparatus, respectively, said server apparatus comprising:

transmittable data amount information acquiring means for acquiring transmittable data amount information representing amounts of data able to be transmitted from each of said base station apparatuses to said mobile station apparatus; and

communication data transmitting means for transmitting communication data of amounts of transmission data corresponding to amounts of transmittable data represented by the transmittable data amount information to each of said links.

12. A mobile station apparatus for making a communication by using at least one of a plurality of links relayed by a plurality of base station apparatus, respectively, in a mobile communication system including said plurality of base station apparatus, said mobile station apparatus comprising:

transmittable data amount information acquiring means for acquiring transmittable data amount information representing amounts of data which said mobile station apparatus is able to transmit through said links relayed by each of said base station apparatuses; and

communication data transmitting means for transmitting communication data of amounts of transmission data corresponding to amounts of transmittable data represented by the transmittable data amount information to each of links.

13. A transmission data amount determining method of determining an amount of transmission data for each link in a communication system for making a multilink communication through which a communication is performed by using a plurality of links, said transmission data amount determining method comprising:

a transmittable data amount information acquisition step of acquiring transmittable data amount information representing amounts of data able to be transmitted through each of said links;

a transmission data amount determination step of determining amounts of transmission data to be transmitted to each of said links, respectively, in correspondence to the transmittable data amount information; and

a data transmission step of transmitting transmission data of amounts of transmission data corresponding to the determined amounts of transmission data to each of said links.