Power setting

• US 9,161,210 B2
• Filed: 12/21/2012
• Issued: 10/13/2015
• Est. Priority Date: 08/11/2009
• Status: Active Grant

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Ubiquisys Limited (Cisco Systems, Inc.)
• Inventors: Maida, Aminu Wada, Carter, Alan James Auchmuty
• Primary Examiner(s): WASHINGTON, ERIKA ALISE
• Application Number:
  US13/725,665
• Publication Number:
  US 20140011489A1
• Time in Patent Office: 1,026 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04W 52/143 Downlink power control
• CPC Class Codes: H04W 52/225 Calculation of statistics, e.g. average, variance
• CPC Class Codes: H04W 52/242 taking into account path loss
• CPC Class Codes: H04W 52/243 taking into account interferences
• CPC Class Codes: H04W 52/244 Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
• CPC Class Codes: H04W 52/245 taking into account received signal strength
• CPC Class Codes: H04W 8/22 Processing or transfer of terminal data, e.g. status or physical capabilities

Abstract

A basestation receives a table containing information about a plurality of other basestations of the cellular communications network. The basestation and the plurality of other basestations are connected to a local area network. The operation of receiving the table includes receiving the table over the local area network from one of the other basestations. The table contains information for use by the basestation in automatically configuring itself. In the event that the basestation changes its configuration, the basestation updates said table with changed information and rebroadcasts the updated table to the other basestations.

Claims

1. A method of operation of a cellular communications network comprising a plurality of basestations, wherein each basestation of the cellular communications network is connected to a local area network, the method comprising in each basestation:

receiving a table containing information about each of the other basestations, wherein the step of receiving the table comprises receiving the table over the local area network from one of the other basestations, and wherein the table contains information for use by the basestation in automatically configuring itself; and

in the event that the basestation changes its configuration;

updating said table with changed information and rebroadcasting the updated table to the other basestations.

2. A method as claimed in claim 1, wherein the table comprises some or all of the following information about each of the other basestations:

a unique Cell ID;

a Group ID;

a frequency;

a Primary Scrambling Code;

a Cell ID, Primary Scrambling Code, UARFCN, CPICH Tx power adjustment and CPICH Tx power of other basestations detected by that basestation; and

strongest detected cell information.

3. A method as claimed in claim 2, further comprising in each basestation:

obtaining information about at least some of the other basestations by monitoring their transmissions.

4. A method as claimed in claim 3, further comprising, on powering up in each basestation:

broadcasting a message to indicate that said basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

5. A method as claimed in claim 2, further comprising, on powering up in each basestation:

broadcasting a message to indicate that said basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

6. A method as claimed in claim 1, further comprising in each basestation:

obtaining information about at least some of the other basestations by monitoring their transmissions.

7. A method as claimed in claim 6, further comprising, on powering up in each basestation:

broadcasting a message to indicate that said basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

8. A method as claimed in claim 1, further comprising, on powering up of each basestation:

broadcasting a message to indicate that said basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

9. The method of claim 1, wherein the table of information is shared between the plurality of basestations of the cellular communications network.

10. A method of operation of a cellular communications network comprising a plurality of basestations, wherein each basestation of the cellular communications network is connected to a local area network, the method comprising in each basestation:

when the basestation is powered up, receiving a table containing information about each of the other basestations, wherein the step of receiving the table comprises receiving the table over the local area network from one of the other basestations, and

automatically configuring itself based on information contained in the table; and

thereafter, when the basestation receives an updated table with changed information about at least one of the other basestations,

automatically reconfiguring itself based on the changed information contained in the updated table.

11. A method as claimed in claim 10, wherein the table comprises some or all of the following information about each of the other basestations:

a unique Cell ID;

a Group ID;

a frequency;

a Primary Scrambling Code;

a Cell ID, Primary Scrambling Code, UARFCN, CPICH Tx power adjustment and CPICH Tx power of other basestations detected by that basestation; and

strongest detected cell information.

12. A method as claimed in claim 11, further comprising in each basestation:

obtaining information about at least some of the other basestations by monitoring their transmissions.

13. A method as claimed in claim 10, further comprising in each basestation:

obtaining information about at least some of the other basestations by monitoring their transmissions.

14. A cellular communications network comprising a plurality of basestations, wherein each basestation of the cellular communications network is connected to a local area network, each basestation comprising:

interfaces;

memory; and

a processor configured to;

receive a table containing information about each of the other basestations, wherein the step of receiving the table comprises receiving the table over the local area network from one of the other basestations, and wherein the table contains information for use by the basestation in automatically configuring itself; and

in the event that the basestation changes its configuration;

update said table with changed information and rebroadcast the updated table to the other basestations.

15. A cellular communications network as claimed in claim 14, wherein the table comprises some or all of the following information about each of the other basestations:

a unique Cell ID;

a Group ID;

a frequency;

a Primary Scrambling Code;

a Cell ID, Primary Scrambling Code, UARFCN, CPICH Tx power adjustment and CPICH Tx power of other basestations detected by that basestation; and

strongest detected cell information.

16. A cellular communications network as claimed in claim 15, wherein the processor of each basestation is further configured to:

obtain information about at least some of the other basestations by monitoring their transmissions.

17. A cellular communications network as claimed in claim 16, wherein the processor of each basestation is further configured to:

on powering up, broadcast a message to indicate that the basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

18. A cellular communications network as claimed in claim 15, wherein the processor of each basestation is further configured to:

on powering up, broadcast a message to indicate that the basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

19. A cellular communications network as claimed in claim 14, wherein the processor of each basestation is further configured to:

obtain information about at least some of the other basestations by monitoring their transmissions.

20. A cellular communications network as claimed in claim 19, wherein the processor of each basestation is further configured to:

on powering up, broadcast a message to indicate that the basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

21. A cellular communications network as claimed in claim 14, wherein the processor of each basestation is further configured to:

on powering up, broadcast a message to indicate that the basestation is part of the network, and then, after receiving the table from the other of the basestations, performing an automatic configuration process.

22. A cellular communications network comprising a plurality of basestations, wherein each basestation of the cellular communications network is connected to a local area network, each basestation comprising:

interfaces;

memory; and

a processor configured to;

when the basestation is powered up, receive a table containing information about each of the other basestations, wherein the step of receiving the table comprises receiving the table over the local area network from one of the other basestations, and

automatically configure itself based on information contained in the table; and

thereafter, when the basestation receives an updated table with changed information about at least one of the other basestations, automatically reconfigure itself based on the changed information contained in the updated table.

23. The cellular communications network as claimed in claim 22, wherein the table comprises some or all of the following information about each of the other basestations:

a unique Cell ID;

a Group ID;

a frequency;

a Primary Scrambling Code;

a Cell ID, Primary Scrambling Code, UARFCN, CPICH Tx power adjustment and CPICH Tx power of other basestations detected by that basestation; and

strongest detected cell information.

24. The cellular communications network as claimed in claim 23, wherein the processor of each basestation is further configured to:

obtain information about at least some of the other basestations by monitoring their transmissions.

25. The cellular communications network as claimed in claim 22, wherein the processor of each basestation is further configured to:

obtain information about at least some of the other basestations by monitoring their transmissions.