Allocation of unlicensed frequency bands for a wireless hotspot

• US 9,775,153 B2
• Filed: 01/28/2015
• Issued: 09/26/2017
• Est. Priority Date: 01/28/2015
• Status: Active Grant

• Current Assignee: RPX Corporation
• Original Assignee: Alcatel-Lucent SA (Nokia Corporation)
• Inventors: Soni, Robert A., Kahn, Colin, Khawer, Mohammad R.
• Primary Examiner(s): MEW, KEVIN D
• Application Number:
  US14/607,772
• Publication Number:
  US 20160219589A1
• Time in Patent Office: 972 Days
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 76/15 Setup of multiple wireless link connections
• CPC Class Codes: H04W 88/04 adapted for relaying to or from another terminal or user
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

User equipment aggregates connections in at least one of a first unlicensed frequency band and a second unlicensed frequency band with a connection in a licensed frequency band to form a wireless backhaul connection to the user equipment. The user equipment selectively allocates a third unlicensed frequency band to a tethering connection.

Claims

1. A method comprising:

aggregating, at a first user equipment, connections in at least one of a first unlicensed frequency band and a second unlicensed frequency band with a connection in a licensed frequency band to form a wireless backhaul connection to the first user equipment; and

selectively allocating, at the first user equipment, a third unlicensed frequency band to a tethering connection that provides wireless connectivity to a second user equipment, wherein the third unlicensed frequency band is selectively allocated in response to the third unlicensed frequency band having a predetermined level of isolation from the licensed frequency band and the at least one of the first unlicensed frequency band and the second unlicensed frequency band.

2. The method of claim 1, further comprising:

establishing a communication pathway between the second user equipment and a server via the first user equipment using the tethering connection and the wireless backhaul connection.

10. The method of claim 1, wherein further comprising:

multiplexing data packets conveyed over the connections in the at least one of the first unlicensed frequency band and the second unlicensed frequency band and the connection in the licensed frequency band.

3. A method comprising:

aggregating, at a first user equipment, connections in at least one of a first unlicensed frequency band and a second unlicensed frequency band with a connection in a licensed frequency band to form a wireless backhaul connection to the first user equipment, wherein aggregating the connections in the at least one of the first unlicensed frequency band and the second unlicensed frequency band with the connection in the licensed frequency band comprises aggregating connections in the first and second unlicensed frequency bands with the connection in the licensed frequency band in response to the first and second unlicensed frequency bands satisfying an isolation requirement between a first radio that operates in the first unlicensed frequency band according to a first radio access technology (RAT) and a second radio that operates in the second unlicensed frequency band according to a second RAT; and

selectively allocating, at the first user equipment, a third unlicensed frequency band to a tethering connection.

4. The method of claim 3, further comprising:

selectively powering down the first radio or the second radio in response to the first and second unlicensed frequency bands not satisfying the isolation requirement.

5. The method of claim 4, wherein powering down the first radio or the second radio comprises selectively powering down the first radio or the second radio based on a signal strength or channel quality of signals received in the first unlicensed frequency band and the second unlicensed frequency band.

6. The method of claim 3, wherein the tethering connection is provided by the first radio according to the first RAT, and wherein allocating the third unlicensed frequency band to the tethering connection comprises allocating a third unlicensed frequency band that is different than the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being disabled.

7. The method of claim 6, wherein allocating the third unlicensed frequency band to the tethering connection comprises allocating at least one channel in the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being enabled and the connection in the second unlicensed frequency band being disabled.

8. The method of claim 7, wherein allocating the third unlicensed frequency band to the tethering connection comprises allocating the at least one channel in the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being enabled, the connection in the second unlicensed frequency band being enabled, and the at least one channel in the first unlicensed frequency band being clear.

9. The method of claim 8, wherein allocating the third unlicensed frequency band to the tethering connection comprises allocating the third unlicensed frequency band that is different than the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being enabled, the connection in the second unlicensed frequency band being enabled, and no channels in the first unlicensed frequency band being clear.

11. User equipment comprising:

a transceiver to aggregate connections in at least one of a first unlicensed frequency band and a second unlicensed frequency band with a connection in a licensed frequency band to form a wireless backhaul connection to the user equipment; and

a processor to selectively allocate a third unlicensed frequency band to a tethering connection that provides wireless connectivity to at least one other user equipment, wherein the processor is to selectively allocated the third unlicensed frequency band in response to the third unlicensed frequency band having a predetermined level of isolation from the licensed frequency band and the at least one of the first unlicensed frequency band and the second unlicensed frequency band.

12. The user equipment of claim 11, wherein the transceiver is to establish a communication pathway between the at least one other user equipment and a server using the tethering connection and the wireless backhaul connection.

20. The user equipment of claim 11, wherein the transceiver is to multiplex data packets conveyed over the connections in the at least one of the first unlicensed frequency band and the second unlicensed frequency band and the connection in the licensed frequency band.

13. User equipment comprising:

a transceiver to aggregate connections in at least one of a first unlicensed frequency band and a second unlicensed frequency band with a connection in a licensed frequency band to form a wireless backhaul connection to the user equipment;

a processor to selectively allocate a third unlicensed frequency band to a tethering connection;

a first radio that operates in the first unlicensed frequency band according to a first radio access technology (RAT); and

a second radio that operates in the second unlicensed frequency band according to a second RAT, wherein the transceiver is to aggregate connections in the first and second unlicensed frequency bands with the connection in the licensed frequency band in response to the first and second unlicensed frequency bands satisfying an isolation requirement between the first radio and the second radio.

14. The user equipment of claim 13, wherein the transceiver is to power down the first radio or the second radio in response to the first and second unlicensed frequency bands not satisfying the isolation requirement.

15. The user equipment of claim 14, wherein the transceiver is to selectively power down the first radio or the second radio based on a signal strength or channel quality of signals received in the first unlicensed frequency band and the second unlicensed frequency band.

16. The user equipment of claim 13, wherein the tethering connection is provided by the first radio according to the first RAT, and wherein the transceiver is to allocate a third unlicensed frequency band that is different than the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being disabled.

17. The user equipment of claim 16, wherein the transceiver is to allocate at least one channel in the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being enabled and the connection in the second unlicensed frequency band being disabled.

18. The user equipment of claim 17, wherein the transceiver is to allocate the at least one channel in the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being enabled, the connection in the second unlicensed frequency band being enabled, and the at least one channel in the first unlicensed frequency band being clear.

19. The user equipment of claim 18, wherein the transceiver is to allocate the third unlicensed frequency band that is different than the first unlicensed frequency band to the tethering connection in response to the connection in the first unlicensed frequency band being enabled, the connection in the second unlicensed frequency band being enabled, and no channels in the first unlicensed frequency band being clear.