Quality of Service in Wireless Backhauls

• US 20160381585A1
• Filed: 06/20/2016
• Published: 12/29/2016
• Est. Priority Date: 06/25/2015
• Status: Active Grant

• Current Assignee: Airspan IP Holdco LLC (Airspan Networks Holdings, Inc.)
• Original Assignee: Airspan Networks Inc.
• Inventors: Terry, Kevin Andrew, Dudzinski, Krzysztof
• Granted Patent: US 10,834,614 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F16M 11/06 allowing pivoting
• CPC Class Codes: G01S 19/24 Acquisition or tracking or demodulation of signals transmitted by the system synchronisation aspects of direct sequence spread spectrum modulation H04B1/7073
• CPC Class Codes: G01S 19/53 Determining attitude
• CPC Class Codes: G01S 3/043 Receivers
• CPC Class Codes: G01S 3/14 Systems for determining direction or deviation from predetermined direction aerial arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00; combinations of different interacting aerial units for giving a desired directional characteristic H01Q21/29; aerials or aerial systems providing at least two radiation patterns H01Q25/00
• CPC Class Codes: G01S 5/0247 Determining attitude
• CPC Class Codes: H01Q 1/02 Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
• CPC Class Codes: H01Q 1/1207 for fastening a rigid aerial element
• CPC Class Codes: H01Q 1/1228 on a boom
• CPC Class Codes: H01Q 1/246 specially adapted for base stations
• CPC Class Codes: H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 1/42 Housings not intimately mechanically associated with radiating elements, e.g. radome
• CPC Class Codes: H01Q 1/50 Structural association of antennas with earthing switches, lead-in devices or lightning protectors
• CPC Class Codes: H01Q 21/00 Antenna arrays or systems arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00
• CPC Class Codes: H01Q 21/065 Patch antenna array
• CPC Class Codes: H01Q 21/08 the units being spaced along or adjacent to a rectilinear path waveguide fed H01Q21/0037
• CPC Class Codes: H01Q 21/205 providing an omnidirectional coverage turnstile aerials H01Q21/26
• CPC Class Codes: H01Q 21/24 Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 25/002 providing at least two patterns of different beamwidth; Variable beamwidth antennas
• CPC Class Codes: H01Q 25/005 : providing two patterns of opposite direction; back to back antennas H01Q25/004 takes precedence
• CPC Class Codes: H01Q 3/02 : using mechanical movement of antenna or antenna system as a whole
• CPC Class Codes: H01Q 3/04 : for varying one co-ordinate of the orientation
• CPC Class Codes: H01Q 3/10 : to produce a conical or spiral scan
• CPC Class Codes: H01Q 3/12 : using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
• CPC Class Codes: H01Q 3/24 : varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
• CPC Class Codes: H01Q 3/26 : varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture H01Q3/12, H01Q3/22, H01Q3/24 take precedence
• CPC Class Codes: H01Q 3/2611 : Means for null steering; Adaptive interference nulling
• CPC Class Codes: H01Q 3/36 : with variable phase-shifters
• CPC Class Codes: H04B 7/0456 : Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
• CPC Class Codes: H04B 7/0617 : for beam forming
• CPC Class Codes: H04B 7/0621 : Feedback content
• CPC Class Codes: H04B 7/0691 : using subgroups of transmit antennas
• CPC Class Codes: H04B 7/0695 : using beam selection
• CPC Class Codes: H04B 7/0817 : with multiple receivers and antenna path selection
• CPC Class Codes: H04B 7/086 : using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
• CPC Class Codes: H04B 7/0874 : using subgroups of receive antennas
• CPC Class Codes: H04B 7/088 : using beam selection
• CPC Class Codes: H04L 41/0806 : for initial configuration or provisioning, e.g. plug-and-play
• CPC Class Codes: H04L 41/0816 : the condition being an adaptation, e.g. in response to network events
• CPC Class Codes: H04L 43/0829 : Packet loss
• CPC Class Codes: H04L 67/34 : involving the movement of software or configuration parameters network booting or remote initial program loading [RIPL] G06F9/4416
• CPC Class Codes: H04L 67/52 : specially adapted for the location of the user terminal
• CPC Class Codes: H04W 16/28 : using beam steering
• CPC Class Codes: H04W 24/02 : Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/08 : Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 24/10 : Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 28/0236 : radio quality, e.g. interference, losses or delay
• CPC Class Codes: H04W 28/0268 : using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] negotiating SLA or negotiating QoS H04W28/24
• CPC Class Codes: H04W 28/0284 : detecting congestion or overload during communication monitoring arrangements H04L43/00
• CPC Class Codes: H04W 28/24 : Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
• CPC Class Codes: H04W 4/50 : Service provisioning or reconfiguring
• CPC Class Codes: H04W 40/22 : using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
• CPC Class Codes: H04W 48/06 : based on traffic conditions
• CPC Class Codes: H04W 72/23 : in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/542 : using measured or perceived quality
• CPC Class Codes: H04W 84/02 : Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
• CPC Class Codes: H04W 84/045 : using private Base Stations, e.g. femto Base Stations, home Node B
• CPC Class Codes: H04W 88/04 : adapted for relaying to or from another terminal or user
• CPC Class Codes: H04W 88/08 : Access point devices
• CPC Class Codes: H05K 7/20 : Modifications to facilitate cooling, ventilating, or heating

Abstract

A feeder terminal comprises backhaul communication circuitry connecting a communications network via a wireless backhaul, and providing an access base station with wireless backhaul access. Backhaul information circuitry determines congestion information relating to the wireless backhaul and communication circuitry enables communication with an access base station and provides the congestion information to the access base station. In response to a demand message from the access base station comprising quality of service requirements, the communication circuitry forwards the demand message to the communications network. Additionally, an access base station comprises communication circuitry enabling communication with a feeder terminal. The communication circuitry provides a quality of service demand message to the feeder terminal based on a quality of service requirement and receives congestion information relating to the wireless backhaul from the feeder terminal. The access control circuitry controls usage of the wireless backhaul by user equipment in dependence on the congestion information.

Claims

1. A feeder terminal comprising:

backhaul communication circuitry to connect to a communications network via a wireless backhaul, and provide an access base station with access to the wireless backhaul;

backhaul information circuitry to determine congestion information relating to the wireless backhaul; and

communication circuitry to enable communication with an access base station and provide the congestion information to the access base station, wherein

in response to a demand message from the access base station comprising quality of service requirements, the communication circuitry forwards the demand message to the communications network.

2. A feeder terminal according to claim 1, wherein

the congestion information relates to an available bandwidth of the wireless backhaul.

3. A feeder terminal according to claim 1, wherein

the congestion information relates to a packet drop rate of the wireless backhaul.

4. A feeder terminal according to claim 1, wherein

the congestion information is based on one or more measurements of the wireless backhaul taken over a predefined period of time.

5. A feeder terminal according to claim 1, wherein

the congestion information is based on historic data relating to the wireless backhaul.

19. A network comprising:

a feeder terminal according to claim 1 connected to an access base station according to claim 8; and

the communications network, wherein

in response to receiving the quality of service demand message, the communications network changes the capacity of the wireless backhaul to the feeder terminal in dependence on the at least one quality of service requirement.

6. A method of operating a feeder terminal, comprising the steps:

connecting to a communications network via a wireless backhaul;

providing an access base station with access to the wireless backhaul;

determining congestion information relating to the wireless backhaul;

providing the congestion information to the access base station, wherein in response to a demand message from the access base station comprising quality of service requirements, the communication circuitry forwards the demand message to the communications network.

7. A feeder terminal comprising:

backhaul communication means for connecting to a communications network via a wireless backhaul, and for providing an access base station with access to the wireless backhaul;

backhaul information means for determining congestion information relating to the wireless backhaul; and

communication means for enabling communication with an access base station and for providing the congestion information to the access base station, wherein

in response to a demand message from the access base station comprising quality of service requirements, the communication means forwards the demand message to the communications network.

8. An access base station comprising:

communication circuitry to enable communication with a feeder terminal;

backhaul communication circuitry to connect to a communications network via a wireless backhaul provided by the feeder terminal, and provide one or more items of user equipment with access to the wireless backhaul;

requirement determination circuitry to determine at least one quality of service requirement from the one or more items of user equipment; and

access control circuitry to selectively control usage of the wireless backhaul by the one or more items of user equipment, wherein

the communication circuitry is to provide a quality of service demand message to the feeder terminal based on the at least one quality of service requirement and to receive congestion information relating to the wireless backhaul from the feeder terminal; and

the access control circuitry controls usage of the wireless backhaul by the one or more items of user equipment in dependence on the congestion information.

9. An access base station according to claim 8, wherein

the at least one quality of service requirement comprises one requirement for each class of data received from the one or more items of user equipment.

10. An access base station according to claim 9, wherein

the one requirement for each class of data is a bit rate for that class of data.

11. An access base station according to claim 10, wherein

the bit rate is a maximum required bit rate for that class of data.

12. An access base station according to claim 11, wherein

the one requirement for each class of data is based on a total maximum required bit rate for that class of data across the one or more items of user equipment.

13. An access base station according to claim 9, wherein

each class of data comprises a QCI and a type;

and

the type is one of GBR or AMBR.

14. An access base station according to claim 8, wherein

each item of user equipment accesses the wireless backhaul utilising resource blocks allocated to that item of user equipment within a given scheduled period;

and

the access control circuitry selectively controls usage of the wireless backhaul by an affected item of user equipment by reducing a number of the resource blocks allocated to the affected item of user equipment.

15. An access base station according to claim 8, wherein

the access control circuitry selectively controls usage of the wireless backhaul by an affected item of user equipment by selectively forwarding data provided by the affected item of user equipment to the communications network via the wireless backhaul.

16. An access base station according to claim 8, wherein

the quality of service demand message consists of data that has changed since a previous quality of service demand message was provided by the communication circuitry.

17. A method of operating an access base station, comprising the steps:

connecting to a communications network via a wireless backhaul provided by a feeder terminal;

providing one or more items of user equipment with access to the wireless backhaul;

determining at least one quality of service requirement from the one or more items of user equipment;

selectively controlling usage of the wireless backhaul by the one or more items of user equipment;

providing a quality of service demand message to the feeder terminal based on the at least one quality of service requirement; and

receiving congestion information relating to the wireless backhaul from the feeder terminal, wherein

usage of the wireless backhaul by the one or more items of user equipment is controlled in dependence on the congestion information.

18. An access base station comprising:

communication means for enabling communication with a feeder terminal;

backhaul communication means for connect to a communications network via a wireless backhaul provided by the feeder terminal, and for providing the one or more items of user equipment with access to the wireless backhaul;

requirement determination means for determining at least one quality of service requirement from the one or more items of user equipment; and

access control means for selectively controlling usage of the wireless backhaul by the one or more items of user equipment, wherein

the communication means provides a quality of service demand message to the feeder terminal based on the at least one quality of service requirement and receives congestion information relating to the wireless backhaul from the feeder terminal; and

the access control means controls usage of the wireless backhaul by the one or more items of user equipment in dependence on the congestion information.