METHOD AND DEVICE FOR CONVERTING MOBILE ALLOCATION

• US 20130183997A1
• Filed: 03/08/2013
• Published: 07/18/2013
• Est. Priority Date: 09/09/2010
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Chu, Dongyu, Ju, Zhiqiang, Zheng, Liwen
• Granted Patent: US 9,204,310 B2
• Time in Patent Office: Days
• US Class Current: 455/454
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 36/06 Reselecting a communication resource in the serving access point

Abstract

Embodiments of the present invention provide a method for converting mobile allocation and an upper control node of a base station. The method for converting mobile allocation includes: determining that at least one cell in cells controlled by an upper control node of a base station requires mobile allocation (MA) conversion; and instructing a base station to which the at least one cell belongs to convert, according to a time slot cluster, an MA occupied by a time slot of the at least one cell, where the time slot cluster is formed by the same time slots on different carrier frequencies. The embodiments of the invention may implement dynamic MA conversion according to actual conditions of a network, thereby guaranteeing the performance of the network, and improving the calling experience of users.

Claims

1. A method for converting mobile allocation, comprising:

determining that at least one cell in cells controlled by an upper control node of a base station requires mobile allocation (MA) conversion; and

instructing a base station to which the at least one cell belongs to convert, according to a time slot cluster, an MA occupied by a time slot of the at least one cell, wherein the time slot cluster is formed by same time slots on different carrier frequencies.

2. The method according to claim 1, wherein the determining that the at least one cell in the cells controlled by the upper control node of the base station requires the mobile allocation (MA) conversion comprises:

determining that a load of the at least one cell is smaller than or equal to a first load threshold;

or,determining that loads of all cells under the base station to which the at least one cell belongs are smaller than or equal to a first load threshold; and

the instructing the base station to which the at least one cell belongs to convert the MA occupied by the time slot of the at least one cell according to the time slot cluster comprises;

instructing the base station to which the at least one cell belongs to convert, according to the time slot cluster, an MA occupied by a time slot occupying a share carrier frequency in the at least one cell to a share MA, and an MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell to a base MA.

3. The method according to claim 1, wherein the determining that the at least one cell in the cells controlled by the upper control node of the base station requires the mobile allocation (MA) conversion comprises:

determining that a load of the at least one cell is greater than a second load threshold;

or,

determining that loads of all cells under the base station to which the at least one cell belongs are greater than a second load threshold; and

the instructing the base station to which the at least one cell belongs to convert the MA occupied by the time slot of the at least one cell according to the time slot cluster comprises;

instructing the base station to which the at least one cell belongs to convert, according to the time slot cluster, a share MA occupied by a time slot occupying a share carrier frequency in the at least one cell, and a base MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell, wherein the converted share MA and the converted base MA constitute one MA.

4. The method according to claim 2, wherein the instructing the base station to which the at least one cell belongs to convert, according to the time slot cluster, the MA occupied by the time slot occupying the share carrier frequency in the at least one cell to the share MA, and the MA occupied by the time slot occupying the non-share carrier frequency in the at least one cell to the base MA comprises:

instructing the base station to convert an MA occupied by a time slot occupying a share carrier frequency in an idle time slot cluster of the at least one cell to a share MA, and convert an MA occupied by a time slot occupying a non-share carrier frequency in the idle time slot cluster to a base MA;

wherein the idle time slot cluster is a time slot cluster in which none of time slots is occupied by a user equipment.

5. The method according to claim 1, further comprising:

if a user equipment accesses the base station during the MA conversion, allocating a time slot for the user equipment that newly accesses the base station during the MA conversion according to an order of precedence of time slots from high to low, wherein the order of the precedence of the time slots from high to low is;

an time slot occupying a base MA, an time slot occupying a non-share carrier frequency in a time slot cluster to be converted, and an time slot occupying a share carrier frequency in the time slot cluster to be converted.

6. The method according to claim 3, wherein the instructing the base station to which the at least one cell belongs to convert, according to the time slot cluster, the share MA occupied by the time slot occupying the share carrier frequency in the at least one cell, and the base MA occupied by the time slot occupying the non-share carrier frequency in the at least one cell, wherein the converted share MA and the converted base MA constitute one MA comprises:

instructing the base station to which the at least one cell belongs to activate, according to the time slot cluster, the share carrier frequency occupied by the time slot of the at least one cell;

selecting time slot clusters of the second predetermined number from time slot clusters of the at least one cell;

instructing a user equipment on the selected time slot clusters of the second predetermined number to be switched to an idle time slot of an unselected time slot cluster; and

instructing the base station to convert the share MA occupied by the time slot occupying the share carrier frequency in an idle time slot cluster of the selected time slot clusters of the second predetermined number, and convert the base MA occupied by the time slot occupying the non-share carrier frequency in the idle time slot cluster of the selected time slot clusters of the second predetermined number, wherein the converted share MA and the converted base MA constitute one MA.

7. A method for converting mobile allocation, comprising:

receiving a message sent by an upper control node of a base station, wherein the message includes information for instructing to perform mobile allocation (MA) conversion; and

converting, according a time slot cluster on the basis of the message, an MA occupied by a time slot of at least one cell in a base station, wherein the time slot cluster is formed by same time slots on different carrier frequencies.

8. The method according to claim 7, wherein the converting the MA occupied by the time slot of at least one cell under the base station according the time slot cluster on the basis of the message comprises:

converting, on the basis of the message, an MA occupied by a time slot occupying a share carrier frequency in the at least one cell under the base station to a share MA, and an MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell to a base MA;

or,

converting, on the basis of the message, a share MA occupied by a time slot occupying a share carrier frequency in the at least one cell under the base station, and a base MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell, wherein the converted share MA and the converted base MA constitute one MA.

9. The method according to claim 8, wherein the converting, on the basis of the message, the MA occupied by the time slot occupying the share carrier frequency in the at least one cell under the base station to the share MA, and the MA occupied by the time slot occupying the non-share carrier frequency in the at least one cell to the base MA comprises:

converting an MA occupied by a time slot occupying a share carrier frequency in an idle time slot cluster of the at least one cell to a share MA, and convert an MA occupied by a time slot occupying a non-share carrier frequency in the idle time slot cluster to a base MA;

wherein the idle time slot cluster is a time slot cluster in which none of time slots is occupied by a user equipment.

10. The method according to claim 9, further comprising:

after performing the MA conversion on the idle time slot cluster successfully, if a time slot cluster on which the MA conversion is not performed exists in time slot clusters of the at least one cell, converting an MA occupied by a time slot occupying a share carrier frequency in a time slot cluster to be converted to a share MA, and converting an MA occupied by a time slot occupying a non-share carrier frequency in the time slot to be converted to a base MA, until MAs occupied by time slots in all time slot clusters of the at least one cell are converted successfully.

11. An upper control node of a base station, comprising:

a determining module, configured to determine that at least one cell in cells controlled by an upper control node of a base station requires mobile allocation (MA) conversion; and

an instructing module, configured to instruct a base station to which the at least one cell belongs to convert, according to a time slot cluster, an MA occupied by a time slot of the at least one cell, wherein the time slot cluster is formed by same time slots on different carrier frequencies.

12. The upper control node of the base station according to claim 11, wherein the determining module is specifically configured to determine that a load of the at least one cell is smaller than or equal to a first load threshold;

or, determine that loads of all cells under the base station to which the at least one cell belongs are smaller than or equal to a first load threshold; and

the instructing module is specifically configured to instruct the base station to which the at least one cell belongs to convert, according to the time slot cluster, an MA occupied by a time slot occupying a share carrier frequency in the at least one cell to a share MA, and an MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell to a base MA.

13. The upper control node of the base station according to claim 11, wherein the determining module is specifically configured to determine that a load of the at least one cell is greater than a second load threshold;

or, determine that loads of all cells under the base station to which the at least one cell belongs are greater than a second load threshold; and

the instructing module is specifically configured to instruct the base station to which the at least one cell belongs to convert, according to the time slot cluster, a share MA occupied by a time slot occupying a share carrier frequency in the at least one cell, and a base MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell, wherein the converted share MA and the converted base MA constitute one MA.

14. The upper control node of the base station according to claim 12, wherein the instructing module comprises:

an idle time slot cluster conversion instructing sub-module, configured to instruct the base station to convert an MA occupied by a time slot occupying a share carrier frequency in an idle time slot cluster of the at least one cell to a share MA, and convert an MA occupied by a time slot occupying a non-share carrier frequency in the idle time slot cluster to a base MA, wherein the idle time slot cluster is a time slot cluster in which all time slots are not occupied by user equipments.

15. The upper control node of the base station according to claim 14, wherein the instructing module further comprises:

a judging sub-module, configured to, after the base station performs the MA conversion successfully on the idle time slot cluster, determine whether a time slot cluster on which the MA conversion is not performed exists in time slot clusters of the at least one cell; and

a deactivation instructing sub-module, configured to, after the judging sub-module determines that the time slot cluster on which the MA conversion is not performed does not exist in the time slot clusters of the at least one cell, instruct the base station to deactivate the share carrier frequency.

16. The upper control node of the base station according to claim 13, wherein the instructing module comprises:

an activation instructing sub-module, configured to instruct the base station to which the at least one cell belongs to activate, according to the time slot cluster, the share carrier frequency occupied by the time slot of the at least one cell;

a time slot cluster selecting sub-module, configured to select time slot clusters of the second predetermined number from time slot clusters of the at least one cell;

a switch instructing sub-module, configured to instruct a user equipment on the selected time slot clusters of the second predetermined number to be switched to an idle time slot of an unselected time slot cluster; and

a conversion instructing sub-module, configured to instruct the base station to convert a share MA occupied by a time slot occupying a share carrier frequency in an idle time slot cluster of the selected time slot clusters of the second predetermined number, and convert a base MA occupied by a time slot occupying a non-share carrier frequency in the idle time slot cluster of the selected time slot clusters of the second predetermined number, wherein the converted share MA and the converted base MA constitute one MA.

17. A base station, comprising:

a receiver, configured to receive a message sent by an upper control node of a base station, wherein the message includes information for instructing to perform mobile allocation (MA) conversion; and

a processor, configured to convert, according to a time slot cluster on the basis of the message, an MA occupied by a time slot of the at least one cell in the base station, wherein the time slot cluster is formed by same time slots on different carrier frequencies.

18. The base station according to claim 17, wherein the processor is specifically configured to convert, on the basis of the message, an MA occupied by a time slot occupying a share carrier frequency in the at least one cell under the base station to a share MA, and an MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell to a base MA;

or,

the processor is specifically configured to convert, on the basis of the message, a share MA occupied by a time slot occupying a share carrier frequency in the at least one cell under the base station, and a base MA occupied by a time slot occupying a non-share carrier frequency in the at least one cell, wherein the converted share MA and the converted base MA constitute one MA.

19. The base station according to claim 18, wherein the processor is further configured to:

convert an MA occupied by a time slot occupying a share carrier frequency in an idle time slot cluster of the at least one cell to a share MA, and convert an MA occupied by a time slot occupying a non-share carrier frequency in the idle time slot cluster to a base MA, wherein the idle time slot cluster is a time slot cluster in which all time slots are not occupied by user equipments.

20. The base station according to claim 19, wherein the processor is further configured to:

after the MA conversion on the idle time slot cluster is performed successfully, if a time slot cluster on which the MA conversion is not performed exists in time slot clusters of the at least one cell, convert an MA occupied by a time slot occupying a share carrier frequency in a time slot cluster to be converted to a share MA, and convert an MA occupied by a time slot occupying a non-share carrier frequency in the time slot to be converted to a base MA, until MAs occupied by time slots in all time slot clusters of the at least one cell are converted successfully.