Method of file transmission based upon distributed storage in wireless communication system

• US 9,332,422 B2
• Filed: 10/22/2010
• Issued: 05/03/2016
• Est. Priority Date: 06/29/2010
• Status: Active Grant

• Current Assignee: Alcatel-Lucent SA (Nokia Corporation)
• Original Assignee: Alcatel-Lucent SA (Nokia Corporation)
• Inventors: Bai, Yangzheng, Lv, Jun
• Primary Examiner(s): Christensen, Scott B
• Application Number:
  US13/805,632
• Publication Number:
  US 20130097284A1
• Time in Patent Office: 2,020 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04L 2209/80 Wireless network architectures or network communication protocols for wireless network security H04W12/00
• CPC Class Codes: H04L 9/3273 for mutual authentication network architectures or network communication protocols for achieving mutual authentication in a packet data network H04L63/0869
• CPC Class Codes: H04W 12/033 of the user plane, e.g. user's traffic
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 8/24 Transfer of terminal data

Abstract

The invention proposes a method of file transmission based on distributed storage in a wireless communication network in order to meet the requirement of a user for a new service. In an embodiment of the invention, a method of file uploading includes the steps of: S11. a user equipment transmitting slice metadata information of a file to the control node to request for uploading the file to a destination; S12. the user prediction system predicating a movement of the user equipment and determining a plurality of storage wireless access nodes of the user equipment according to the movement; S13. the control node confirming the request regarding the uploading; S14. the user equipment transmitting slices of the file to the storage wireless access nodes; and S15. the storage wireless access nodes receiving and storing the slices of the file from the user equipment. With the technical solution of the invention, a file can be transmitted over a wireless communication network at a higher speed.

Claims

1. A method of file uploading in a wireless communication network including wireless access nodes, a control node and a user prediction system, the method comprising:

the control node receiving a request from a user equipment to upload a file to a destination;

the control node receiving slice metadata information of the file from the user equipment requesting the uploading of the file to the destination,

wherein the file is divided into a plurality of slices of substantially equal size, and

wherein the slice metadata information includes the size of each slice and the number of slices;

the user prediction system predicting a movement of the user equipment and determining a plurality of storage wireless access nodes to be used by the user equipment according to the movement while uploading the file;

based on the predicted movement of the user equipment, configuring each of the plurality of storage wireless access nodes to be used by the user equipment to store one or more different slices of the file to store the entire file within the plurality of storage wireless access nodes;

the control node confirming the request to the user equipment node;

the control node receiving encryption information to be used to encrypt the plurality of slices from the user equipment;

the storage wireless access nodes predicated to be used by the user equipment receiving the slices of the file from the user equipment according to the movement;

the storage wireless access nodes storing the slices of the file from the user equipment and transmitting storage indication information of the slices of the file to the control node;

the control node initiating a request to the destination to establish channels between the plurality of storage wireless access nodes and the destination to transmit the slices to the destination,

wherein the encryption information is used to decrypt the slices before transmitting the slices to the destination.

2. The method according to claim 1, wherein:

the storage wireless access nodes receive slices of the file, from the user equipment, encrypted using a key generated by an SIM card.

3. The method according to claim 2, wherein the receiving and storing comprises:

the storage wireless access nodes decrypting the slices of the file using a key indicated by the control node and transmitting the decrypted slices to the destination if the destination is not another user equipment.

4. The method according to claim 1, wherein the confirming further comprises:

the control node instructing the storage wireless access nodes to reserve storage spaces.

5. The method according to claim 1, wherein the storage wireless access nodes receive the slices of the file in an inconsecutive manner.

6. The method according to claim 1, wherein the storage wireless access nodes comprise at least one group;

and the storage wireless access nodes in any group store the slices of the file in a mutually-redundant network-sharing manner.

7. A method of downlink file transmission in a wireless communication network including wireless access nodes, a control node and a user prediction system, the method comprising:

the control node receiving a request from a user equipment to upload a file to a destination;

the control node determining slice metadata information of a file to be transmitted to a user equipment;

the user prediction system predicting a movement of the user equipment and determining a plurality of storage wireless access nodes to be used by the user equipment according to the movement while uploading the file; and

based on the predicted movement of the user equipment, configuring each of the plurality of storage wireless access nodes to be used by the user equipment to store one or more different slices of the file to store the entire file within the plurality of storage wireless access nodes;

the storage wireless access nodes predicted to be used by the user equipment receiving and storing slices of the file and transmitting storage indication information of the slices of the file to the control node;

the control node initiating a request to the destination to establish channels between the plurality of storage wireless access nodes and the destination to transmit the slices to the destination,

wherein the encryption information is used to decrypt the slices before transmitting the slices to the destination.

8. The method according to claim 7, further comprising:

merging the slices of the file into the file.

9. The method according to claim 7, wherein:

the access nodes receiving and storing comprises;

the storage wireless access nodes encrypting and storing the slices of the file using a key indicated by the control node;

wherein the slices may be decrypted using a key generated by the SIM card of the user equipment.

10. The method according to claim 7, wherein the storage wireless access nodes receive and store the slices of the file in an inconsecutive manner.

11. The method according to claim 7, wherein the storage wireless access nodes comprise at least one group;

and the storage wireless access nodes in any group store the slices of the file in a mutually-redundant network-sharing manner.

12. A method of transmitting a file from a storage wireless access node used by a first user equipment to a storage wireless access node used by a second user equipment in a wireless communication network including storage wireless access nodes, a control node and a user prediction system, the method comprising:

the control node receiving a request from a first user equipment to upload a file;

receiving slice metadata information of the file by the control node;

wherein the file is divided into a plurality of slices of substantially equal size, and

wherein the slice metadata information includes the size of each slice and the number of slices;

predicting, via the user prediction system, movements of the first user equipment and the second user equipment and determining a plurality of storage wireless access nodes to be used by the first user equipment and the second user equipment respectively according to the movements while uploading the file;

based on the predicted movement of the first user equipment, configuring each of the plurality of storage wireless access nodes to be used by the user equipment to store one or more different slices of the file to store the entire file within the plurality of storage wireless access nodes;

receiving at the storage wireless access nodes used by the first user equipment slices of the file, encrypted using a key generated by an SIM card of the first user equipment;

the storage wireless access nodes predicted to be used by the first user equipment receiving and storing the slices of the file from the first user equipment, transmitting storage indication information of the slices of the file to the control node and transmitting the slices of the file to the storage wireless access nodes used by the second user equipment;

the storage wireless access nodes predicted to be used by the second user equipment receiving and storing the slices of the file and transmitting storage indication information of the slices of the file to the control node.

13. The method according to claim 12, wherein the access nodes used by the first user equipment receiving and storing further comprises:

the storage wireless access nodes used by the first user equipment decrypting the slices of the file using the SIM card key of the first user equipment obtained from the control node and encrypting the slices of the file using an SIM card key of the second user equipment obtained from the control node.

14. The method according to claim 12, wherein the access nodes used by the second user equipment receiving and storing further comprises:

decrypting the slices of the file using the SIM card key of the first user equipment and encrypting the slices of the file using a SIM card key of the second user equipment, and storing the slices of the file encrypted using the SIM card key of the second user equipment.

15. A method of searching for a file in a wireless communication network including wireless access nodes, a control node and a user prediction system, the method comprising:

the control node receiving a request from a user equipment to upload a file to a destination;

wherein the file is divided into a plurality of slices of substantially equal size, and

wherein the slice metadata information includes the size of each slice and the number of slices;

each of the wireless access nodes building a database of keyword indexes according to keywords in the file slice contents and storing the databases on the wireless access nodes when they are idle;

the control node receiving a request message from the user equipment regarding a search for a specific keyword and transmitting a searching command regarding the keyword to the wireless access nodes;

the wireless access nodes searching the databases of keyword indexes according to the searching command and reporting search matching results of slices back to the control node;

the user predication system predicating a movement of the user equipment and generating parameters related to locations of the wireless access nodes according to the movement while uploading the file slices; and

the control node generating file matching results according to the search matching results of the slices in combination with the parameters related to the relative locations of the wireless access nodes where the slices are located and generating a list of download candidates according to the file matching results,

the control node initiating a request to the destination to establish channels between the plurality of storage wireless access nodes and the destination to transmit the slices to the destination,

wherein the encryption information is used to decrypt the slices before transmitting the slices to the destination.