Source: http://www.google.com/patents/US7027400?dq=7,496,943
Timestamp: 2014-08-22 23:53:40
Document Index: 264267405

Matched Legal Cases: ['art 761', 'art 762', 'art 763', 'art 764', 'art 765', 'art 766', 'art 767', 'art 786', 'art 769', 'art 761', 'art 762', 'art 763', 'art 764', 'art 765', 'art 766', 'art 767', 'art 786', 'art 769', 'art 761', 'art 762', 'art 763', 'art 764', 'art 765', 'art 764', 'art 765', 'art 764', 'art 764', 'art 762', 'art 766', 'art 767', 'art 769', 'art 770']

Patent US7027400 - Messages and control methods for controlling resource allocation and flow ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsMethods and apparatus for aggregating IP packets over an access link between a wireless access router and a core node and for managing resource allocation to access link packet aggregates, e.g., as a function of the status of wireless communications links used to couple mobile nodes to the access router...http://www.google.com/patents/US7027400?utm_source=gb-gplus-sharePatent US7027400 - Messages and control methods for controlling resource allocation and flow admission control in a mobile communications systemAdvanced Patent SearchPublication numberUS7027400 B2Publication typeGrantApplication numberUS 10/739,925Publication dateApr 11, 2006Filing dateDec 18, 2003Priority dateJun 26, 2001Fee statusPaidAlso published asUS8023410, US20040174865, US20060109829Publication number10739925, 739925, US 7027400 B2, US 7027400B2, US-B2-7027400, US7027400 B2, US7027400B2InventorsAlan O'NeillOriginal AssigneeFlarion Technologies, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (19), Non-Patent Citations (29), Referenced by (43), Classifications (62), Legal Events (5) External Links: USPTO, USPTO Assignment, EspacenetMessages and control methods for controlling resource allocation and flow admission control in a mobile communications systemUS 7027400 B2Abstract Methods and apparatus for aggregating IP packets over an access link between a wireless access router and a core node and for managing resource allocation to access link packet aggregates, e.g., as a function of the status of wireless communications links used to couple mobile nodes to the access router are described. Improved aggregate resource control messages and use of such messages are described. Some of the new messages allow aggregate resources for both upstream and downstream aggregates to be controlled in a single message. A single message may include information corresponding to multiple aggregates and/or multiple constituent flows included in an aggregate with aggregate direction information being included. Use of tunnels to communicate management messages, e.g., messages used to control resource allocation to aggregates is also described. Propagation of access link aggregate information is communicated to tunnel end nodes which generate packets that are communicated over the access link.
1) A backhaul link in each direction will be divided into �class based� and/or �diff-serv based� bandwidth partitions of appropriate sizes given the nominal average requirements of the wireless access routers in the network for the planned traffic matrix. 2) A wireless access router (AR), will periodically issue a PATH message towards the OER representing the instantaneous aggregate requirements of itself and its connected senders for per partition resources on the backhaul uplink to the OER. The OER will, in at least some cases, respond to this path message with an equivalent reservation for the signaled partition resources as the access router is best placed to make the decision on the partition requirements given its proximity to the air link. Thus, in some cases the OER is effectively slaved to the wireless access router. In such cases, the access router can, and often does use user profiles, short term historical bandwidth usage, pending uplink slot requests, class based queue status, number of MNs in the cell and application session requests pending, outstanding and transport layer effects for instance. For example, one simple method would be that the partitions should maintain the differentiation per user between each of the classes. In some implementations, in circumstances whereby the sum of each of the PATH messages from ARs for a partition are greater than its access link capabilities, but not at other times, the OER attempts to modify the RESV messages proportionally below the requested PATH message. The method for partition allocation in the OER, in some embodiments, shares the behavior of the method in the wireless access router so that the OER can cooperate fairly across partition requests, to maximize use of resources and fairness in each class/partition. 3) The OER normally passes the AR RSVP PATH messages onward towards the core of a network, and/or can in addition act as an aggregator to aggregate multiple path messages towards a distant de-aggregation point. The rules between multiple OERs and their upstream node may be similar to the above described AR-OER relationship used in some embodiments of the invention. 4) In various embodiments the OER periodically issues a PATH message to the AR representing the OER's nominal partition configuration for the backhaul downlink. The AR responds by using its better information regarding the traffic dynamics and calculates a modified partition allocation per class for the RESV message that is used to configure the OER downlink interface. The inputs to this AR process include, e.g., an link utilization information. The OER path message can be part of or be modified by incoming path messages from the core. 5) The AR, in some embodiments, uses bidirectional RSVP to integrate proceeding features 2 and 4 so that the AR can use a single path message to book resources in both directions and later receive and make modifications to these bookings following reception of incoming path and reservation messages from the core. 6) In some embodiments RSVP refresh timers are accelerated, as compared to known systems, to be able to keep pace with the radio-related traffic dynamics yet are, in some cases, damped to maintain stable control. In some implementations, system partitions are designed to have maximum deviations away from the mean value defined to assist with stability. 7) Novel RSVP extensions of the invention may and often are used to increase reliability and refresh efficiency and to increase control loop utility in an efficient manner. 8) The backhaul control loop is able, in various embodiments, to respond to per-flow RSVP reservations either from the core or the MNs. These messages are viewed as being aggregated into one or more RSVP partition requests.
FIG. 7 shows the contents of message 180 from FIG. 3. In FIG. 7 two different exemplary messages 180 are shown, e.g., one for an upstream packet flow aggregate and one for a downstream packet flow aggregate. Exemplary message 180, for an exemplary downstream aggregate, includes a message identifier part 761, an aggregate identifier part 762, an aggregate direction part 763, an aggregate resources part 764, an aggregate resources type indicator part 765, a downstream aggregate classifier part 766, a downstream constituent identifier part 767, a downstream constituent classifier part 786, a downstream constituent resources part 769, and a downstream resources type indicator 770. Exemplary message 180, for an exemplary upstream aggregate, includes a message identifier part 761, an aggregate identifier part 762, an aggregate direction part 763, an aggregate resources part 764, an aggregate resources type indicator part 765, an upstream aggregate classifier part 766′, a upstream constituent identifier part 767′, an upstream constituent classifier part 786′, an upstream constituent resources part 769′, and an upstream resources type indicator 770′. Message 180 is used by the AR200 to efficiently maintain the APR300 with information on the classifiers and resources 364, 367, 368 associated with constituent flows 163,173 and aggregates 160,161,162,170,171,172. Message part 761 contains a message identifier used to order messages and to match message 180 to the ack message 190. Message part 762 has an aggregate identifier assigned from an aggregate numbering space managed by the AR200. Message part 763 indicates whether the aggregate identifier 762 is for an upstream 160 or downstream aggregate 170. Message part 764 describes the resources associated with the identified aggregate 762 whilst message part 765 contains a resource type indicator used to describe how the aggregate resources 764 should be interpreted. This enables the resources part 764 to contain information about absolute, relative, absolute changes, relative changes in resources for the identified aggregate 762. For example, the aggregate resources type indicator part 765 can include a second aggregate identifier with an identified amount of resource from that second aggregate indicated in part 764. In this case, the resource type indicator 765 will indicate a resource swap from the second aggregate, of size indicated in part 764, into the identified aggregate indicated in part 762. Message part 766 describes the downlink aggregate classifier for the identified aggregate 762, which is included in message 180 when the aggregate identifier is first used to establish a binding between that aggregate identifier 762 and that classifier 766. The classifier is only needed however if the aggregate direction 763 indicates a downlink. Message part 767 includes a constituent identifier from a number space managed by the AR 200, an associated constituent classifier 768 which is needed in the message when the constituent identifier is first used to establish the binding between the identifier 767 and the classifier 768. Message part 769 describes the constituent resources associated with the identified constituent flow 767 and message part 770 indicates how the resource information 769 should be interpreted, enabling the resource information 769 to represent absolute, relative, an absolute or relative change in resources, as an exchange of resources between two constituent flows. Note that upstream message parts (766′�770′) equivalent to the downstream message parts described, are also supported although in general upstream classification and resources are managed by the AR 200 and therefore do not need to be communicated to the APR 300. Message 180 can include multiple aggregate identifiers and associated classifier and resource state and can also include multiple constituent flow identifiers, classifiers and resources for any of said aggregate identifiers to provide efficient aggregate management signaling.
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H04L29/06, H04L29/06J13, H04L45/16, H04L47/76B1, H04L47/82B, H04L29/06J17, H04L45/00, H04L47/82D, H04L12/18W, H04L12/18M, H04L47/82E, H04L47/72B, H04L47/76A, H04W8/10, H04W92/24, H04L47/15, H04L12/46E, H04W28/02Legal EventsDateCodeEventDescriptionSep 25, 2013FPAYFee paymentYear of fee payment: 8Sep 22, 2009FPAYFee paymentYear of fee payment: 4Apr 20, 2007ASAssignmentOwner name: QUALCOMM INCORPORATED, CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:QUALCOMM FLARION TECHNOLGIES, INC.;REEL/FRAME:019235/0562Effective date: 20070419Owner name: QUALCOMM INCORPORATED,CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:QUALCOMM FLARION TECHNOLGIES, INC.;US-ASSIGNMENT DATABASEUPDATED:20100302;REEL/FRAME:19235/562Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:QUALCOMM FLARION TECHNOLGIES, INC.;US-ASSIGNMENT DATABASEUPDATED:20100223;REEL/FRAME:19235/562Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:QUALCOMM FLARION TECHNOLGIES, 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