CA2544727A1 - Method and device for managing resources shared by different operators in a communication system - Google Patents

Method and device for managing resources shared by different operators in a communication system Download PDF

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Publication number
CA2544727A1
CA2544727A1 CA002544727A CA2544727A CA2544727A1 CA 2544727 A1 CA2544727 A1 CA 2544727A1 CA 002544727 A CA002544727 A CA 002544727A CA 2544727 A CA2544727 A CA 2544727A CA 2544727 A1 CA2544727 A1 CA 2544727A1
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Prior art keywords
resources
access request
operator
communication system
threshold
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CA002544727A
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French (fr)
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CA2544727C (en
Inventor
William Warrillow
Sean Murphy
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Telefonaktiebolaget LM Ericsson AB
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Individual
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Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/805—QOS or priority aware
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/11—Identifying congestion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/245—Traffic characterised by specific attributes, e.g. priority or QoS using preemption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/29—Flow control; Congestion control using a combination of thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/74—Admission control; Resource allocation measures in reaction to resource unavailability
    • H04L47/745—Reaction in network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
    • H04L47/765—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the end-points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/821—Prioritising resource allocation or reservation requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/822—Collecting or measuring resource availability data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/824—Applicable to portable or mobile terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0284—Traffic management, e.g. flow control or congestion control detecting congestion or overload during communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation

Abstract

A method and device for managing resources in shared networks is based on a few basic comparisons between resources and/or thresholds. If an access request is received (202) and there are not enough resources available (204), the request is rejected (212). If there are resources available (204), there is a check to see if the resource is in a congested state (206). If not, then the connection is accepted (210). If the resource is in a congested state (206), then a test is performed (208) to determine whether or not the resources will be assigned to an operator who has already exceeded the assigned utilisation. If it has, then the connection is rejected (212), otherwise it is accepted (210). Preferred embodiments incorporating priority handling, re-negotiations and soft congestion are easily implemented. In a shared UTRAN, the functionalities for managing the radio baseband allocation for a shared Node B are preferably incorporated in the shared RNC.

Claims (21)

1. Method for managing resources in a communication system (10) having resources shared by at least two operators (12, 14), comprising the steps of:
receiving an access request for a first operator of the at least two operators (12, 14); and executing a first determination whether there are sufficient amount of free resources available in the communication system (10), characterised by the further steps of:
executing a second determination whether a total amount of resources in use in the communication system (10) exceeds a first threshold;
executing a third determination whether a total amount of resources in use for the first operator exceeds a second threshold; and deciding on accepting the access request based on the results of the first, second and third determinations.
2. Method according to claim 1, characterised in that the step of executing the second determination is performed only if the first determination shows that there are sufficient free resources available in the communication system (10).
3. Method according to claim 1 or 2, characterised in that the access request is accepted if the second determination shows that the total amount of resources in use in the communication system (10) does not exceed the first threshold.
4. Method according to claim 1 or 2, characterised by size discrimi-nation based on the capacity requested by the incoming connection dependent on the total amount of resources in use in the communication system (10) if the second determination shows that the total amount of resources in use in the communication system (10) does not exceed the first threshold.
5. Method according to claim 4, characterised in that the size discrimination comprises the steps of:
determination of a threshold class dependent on the total amount of resources in use in the communication system (10);
comparing an amount of resources required by the access request with a maximum accepted size (.xi.1, .xi.2, .xi.3) associated with the determined threshold class;
accepting the access request if the amount of resources (r a -r d) required by the access request is smaller than or equal to the maximum accepted size (.xi.1, .xi.2, .xi.3); and rejecting the access request if the amount of resources (r a -r d) required by the access request is larger than the maximum accepted size (.xi.1, .xi.2, .xi.3).
6. Method according to any of the claims 2 to 5, characterised in that the step of executing the third determination is performed only if the second determination shows that the total amount of resources in use in the communication system exceeds the first threshold.
7. Method according to claim 6, characterised in that the access request is accepted if the third determination shows that the total amount of resources in use for the first operator does not exceed the second threshold.
8. Method according to any of the claims 1 to 7, characterised in that the first threshold is equal to a pre-determined congestion threshold (.beta.).
9. Method according to any of the claims 1 to 7, characterised in that the first threshold is equal to a pre-determined congestion threshold (.beta.) minus the amount of resources (r/C) required by the access request.
10. Method according to any of the claims 1 to 9, characterised in that the second threshold is equal to a pre-determined portion of the total resources allocated to the first operator (p1, p2, p3).
11. Method according to any of the claims 1 to 9, characterised in that the second threshold is equal to a pre-determined portion of the total resources allocated to the first operator (p1, p2, p3) minus the amount of resources (r/C) required by the access request.
12. Method according to any of the claims 1 to 11, characterised by storing a respective measure (u i) of the fraction of resources currently in use by each of said at least two operators (12, 14), said measure (u i) for the first operator being updated upon accepting the access request or when an already established connection for the first operator is terminated.
13. Method according to claim 12, characterised by updating the respective measures (u i) by means of resource utilisation information from an external source.
14. Method according to any of the claims 1 to 13, characterised in that the access request is rejected if the first determination shows that there are not sufficient free resources available in the communication system (10) or if the third determination shows that the total amount of resources in use for the first operator exceeds the second threshold.
15. Method according to any of the claims 1 to 13, characterised in that a step of evaluating a priority of the access request if the first determination shows that there are not sufficient free resources available in the communication system (10) or if the third determination shows that the total amount of resources in use for the first operator exceeds the second threshold.
16. Method according to claim 15, characterised in that the step of evaluating the priority comprises the steps of:
executing a fourth determination whether the sum of the free resources available in the communication system (10) and a total amount of resources being occupied by traffic having a lower priority than the priority of the access request for the first operator is smaller than the amount of resources required for the access request for the first operator;
rejecting the access request if the fourth determination shows that the sum of the free resources available in the communication system (10) and the total amount of resources being occupied by traffic having a lower priority than the priority of the access request for the first operator is smaller than the amount of resources required for the access request for the first operator; and pre-empting on-going traffic sufficient to allow the access request for the first operator if the fourth determination shows that the sum of the free resources available in the communication system (10) and the total amount of resources being occupied by traffic having a lower priority than the priority of the access request for the first operator is equal to or larger than the amount of resources required for the access request for the first operator, and accepting the access request.
17. Method according to claim 16, characterised in that the step of pre-empting in turn comprises the steps of:
determining which operator of the at least two operators (12, 14) presently being in most excess of its target resource utilisation;
selecting a connection of the operator of the at least two operators (12, 14) presently being in most excess of its target resource utilisation having a lower priority than the priority of the access request for the first operator;
releasing the selected connection;
determining whether the resources required for the access request is larger than the free resources available in the communication system (10);
and repeating the previous steps if the resources required for the access request is larger than the free resources available in the communication system (10).
18. Method according to any of the claims 1 to 17, characterised in that the step of receiving an access request for the first operator in turn comprises the steps of:
receiving a renegotiation request for an ongoing call from the first operator;
providing a supplementary access request for the first operator having an access request size corresponding to the difference between a requested size and a present size of the ongoing call, if the requested size is larger than the present size; and performing a change of resource utilisation for the ongoing call, if the present size is larger than the requested size.
19. Arrangement being or comprising a device for managing resources in a communication system (10), the communication system (10) having resources shared by at least two operators (12, 14), the device comprising:
means for receiving an access request for a first operator of the at least two operators (12, 14); and means for executing a first determination whether there are sufficient amount of free resources available in the communication system (10), characterised by:
means for executing a second determination whether a total amount of resources in use in the communication system (10) exceeds a first threshold;
means for executing a third determination whether a total amount of resources in use for the first operator exceeds a second threshold; and means for deciding on accepting the access request based on the results of the first, second and third determinations.
20. Arrangement according to claim 19, characterised in that the arrangement is a shared universal mobile telecommunication system terrestrial radio access network and the device is comprised in a radio network controller.
21. Arrangement according to claim 19, characterised in that the arrangement is the communication system (10).
CA2544727A 2003-12-09 2003-12-09 Method and device for managing resources shared by different operators in a communication system Expired - Lifetime CA2544727C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2003/001922 WO2005057978A1 (en) 2003-12-09 2003-12-09 Method and device for managing resources shared by different operators in a communication system

Publications (2)

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CA2544727A1 true CA2544727A1 (en) 2005-06-23
CA2544727C CA2544727C (en) 2012-08-07

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US (1) US8155072B2 (en)
EP (1) EP1695581B1 (en)
CN (1) CN100508641C (en)
AT (1) ATE444662T1 (en)
AU (1) AU2003291799A1 (en)
CA (1) CA2544727C (en)
DE (1) DE60329537D1 (en)
ES (1) ES2333791T3 (en)
TW (1) TWI374629B (en)
WO (1) WO2005057978A1 (en)

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TW200534635A (en) 2005-10-16
CN1879441A (en) 2006-12-13
DE60329537D1 (en) 2009-11-12
WO2005057978A1 (en) 2005-06-23
EP1695581B1 (en) 2009-09-30
US20070264986A1 (en) 2007-11-15
AU2003291799A1 (en) 2005-06-29
CN100508641C (en) 2009-07-01
ATE444662T1 (en) 2009-10-15
TWI374629B (en) 2012-10-11
US8155072B2 (en) 2012-04-10
ES2333791T3 (en) 2010-03-01
CA2544727C (en) 2012-08-07
EP1695581A1 (en) 2006-08-30

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