POSITIONING DATA BASED CELL MANAGEMENT

• US 20150148067A1
• Filed: 11/26/2014
• Published: 05/28/2015
• Est. Priority Date: 11/27/2013
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Ying, Zhinong, Plicanic Samuelsson, Vanja, Bengtsson, Erik, Ljung, Rickard
• Granted Patent: US 10,542,514 B2
• Time in Patent Office: Days
• US Class Current: 455/456.1
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0421 utilizing implicit feedback, e.g. steered pilot signals
• CPC Class Codes: H04B 7/061 using feedback from receiving side
• CPC Class Codes: H04B 7/0695 using beam selection
• CPC Class Codes: H04W 16/32 Hierarchical cell structures
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 48/20 Selecting an access point
• CPC Class Codes: H04W 52/0206 in access points, e.g. base stations access point devices per se H04W88/08
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 84/042 Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 84/045 using private Base Stations, e.g. femto Base Stations, home Node B
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A mobile communication network comprises a first cell (200) and a second cell (210, 220, 230, 240) arranged in a coverage area of the first cell (200). A node (100) of the mobile communication network obtains positioning data of a UE (11, 12, 13, 14, 15, 16). The node (100) correlates the positioning data to a coverage area of the second cell (210, 220, 230, 240). Depending on the correlation of the positioning data and the coverage area of the second cell (210, 220, 230, 240), the node (100) selects between an active state and an inactive state of the second cell (210, 220, 230, 240). In accordance with the selected state, the node controls a base station of the second cell (210, 220, 230, 240).

Claims

1. A method for managing cells of a mobile communication network comprising a first cell and a second cell arranged in a coverage area of the first cell, the method comprising:

a node of the mobile communication network obtaining positioning data of a user equipment;

the node correlating the positioning data with a coverage area of the second cell;

depending on the correlation of the positioning data and the coverage area of the second cell, the node selecting between an active state and an inactive state of the second cell; and

the node controlling a base station of the second cell in accordance with the selected state.

2. The method according to claim 1,

wherein the positioning data comprise information on a location of the user equipment.

3. The method according to claim 2, comprising:

in response to the location of the user equipment being within the coverage area of the second cell, the node selecting the active state of the second cell.

4. The method according to claim 2, comprising:

in response to the location of the user equipment being outside the coverage area of the second cell, the node selecting the inactive state of the second cell.

5. The method according to claim 1,

wherein the positioning data comprise information on movement of the user equipment.

6. The method according to claim 5, comprising:

in response to a movement of the user equipment toward the coverage area of the second cell, the node selecting the active state of the second cell.

7. The method according to claim 5,

wherein the information on movement of the user equipment comprise a velocity of the user equipment and/or a direction of movement of the user equipment.

8. The method according to claim 5, comprising:

from the information on the movement of the user equipment, the node estimating a future location of the user equipment; and

in response to the future location of the user equipment being within the coverage area of the second cell, the node selecting the active state of the second cell.

9. The method according to claim 5, comprising:

in response to the velocity of the user equipment being above a threshold, the node selecting the inactive state of the second cell.

10. The method according to claim 1,

wherein the selection between the active state and the inactive state of the second cell further depends on a load of the first cell and/or on a performance requirement of the user equipment.

11. The method according to claim 1,

wherein the positioning data of the user equipment are based on satellite positioning measurements performed by the user equipment.

12. The method according to claim 1,

wherein the positioning data of the user equipment are based on multilateration measurements and/or multiangulation measurements performed by one or more base stations of the mobile communication network.

13. The method according to claim 1,

wherein in the inactive state of the second cell a radio transmitter and/or a radio receiver of the base station of the second cell is switched off.

15. The node according to claim 14,

wherein the at least one processor is configured to perform the steps of a method according to claim 1.

14. A node for management of cells of a mobile communication network comprising a first cell and a second cell arranged in a coverage area of the first cell, the node comprising:

an interface for controlling a base station of the second cell; and

at least one processor, the at least one processor being configured to;

obtain positioning data of a user equipment,

correlate the positioning data with a coverage area of the second cell,

depending on the correlation of the positioning data and the coverage area of the second cell, select between an active state and an inactive state of the second cell, and

control the base station of the second cell in accordance with the selected state.