# US 8,543,139 B2 · Distributed network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,543,139 B2 - Document ID: US8543139B2 - Status: Granted - Kind: B2 - Application number: 11/833,740 - Filed: 2007-08-03 - Published: 2009-02-05 - Granted: 2013-09-24 - Earliest claimed: 2007-08-03 - Assignees: Airvana, Inc. - Applicants: Prince Samar; Woojune Kim - Inventors: Prince Samar; Woojune Kim - Web page: https://patentgrep.com/patent/US8543139B2 ## CPC - H04W 68/04: multi-step notification using statistical or historical mobility data - H04L 63/20: {for managing network security; network security policies in general (filtering policies H04L63/0227)} - H04W 12/033: of the user plane, e.g. user's traffic - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Systems and methods for a distributed network are provided. In some embodiments, a method includes automatically transmitting a page message for a mobile station to access points in a paging group associated with a first access point, the page message having been received at the first access point, the first access point being associated with the most recent location update of the mobile station, and establishing a security agreement between the first access point and the other access points prior to receiving the page message. ## Claims ### Claim 1 A method performed by a first access point, comprising: prior to receiving a page message: establishing a first security agreement for secure communication between the first access point and one or more second access points; establishing a second security agreement for secure communication between the first access point and a source access point; and establishing, through the first access point by the first security agreement and the second security agreement, one or more secure communication channels between the source access point and the one or more second access points, wherein establishment of the one or more secure communication channels prior to receipt of the page message decreases a latency associated with paging the mobile station relative to a latency associated with paging the mobile station independent of prior establishment of the one or more secure communication channels; receiving, from the source access point over the one or more secure communication channels, the page message for a mobile station in a service area of the one or more second access points; and transmitting, by the first access point over the one or more secure communication channels established between the source access point and the one or more second access points, the page message, received from the source access point, to the one or more second access points for paging the mobile station. ### Claim 2 (depends on 1) The method of claim 1, wherein the one or more second access points are geographically associated with the first point. ### Claim 3 (depends on 1) The method of claim 1, wherein establishing the first security agreement comprises establishing an IPSec SA agreement. ### Claim 4 (depends on 1) . The method of claim 1, wherein the first security agreement comprises a PKI certificate ### Claim 5 (depends on 1) The method of claim 1, further comprising: identifying the one or more second access points prior to receiving the page message. ### Claim 6 (depends on 1) The method of claim 1, wherein the service area of the one or more second access points at least partially borders or overlaps with a service area of the first access point. ### Claim 7 (depends on 1) The method of claim 1, wherein the one or more second access points are located within a threshold distance of the first access point. ### Claim 8 (depends on 1) The method of claim 1, wherein an identity of the one or more second access points is determined by a map server. ### Claim 9 (depends on 1) The method of claim 1, further comprising receiving the page message at the first access point. ### Claim 10 (depends on 1) The method of claim 1, wherein the source access point is configured to store a location for the mobile station. ### Claim 11 (depends on 1) The method of claim 1, wherein the second security agreement is established between the first access point and the source access point prior to an arrival of the page message at the source access point. ### Claim 12 (depends on 1) The method of claim 1, further comprising receiving mobile station communication preferences from the source access point. ### Claim 13 (depends on 1) The method of claim 1, further comprising performing a quick connect with the mobile station. ### Claim 14 (depends on 1) The method of claim 1, further comprising: causing, based on the page message, the mobile station to be paged. ### Claim 15 (depends on 13) The method of claim 13, wherein performing the quick connect comprises establishing an ad-hoc connection with the mobile station using one or more default communication preferences. ### Claim 16 A system comprising: one or more processing devices; and one or more machine-readable media storing instructions that are executable by the one or more processing devices to perform, in a first access point, operations comprising: prior to receiving a page message: establishing a first security agreement for secure communication between the first access point and one or more second access points; establishing a second security agreement for secure communication between the first access point and a source access point; and establishing, through the first access point by the first security agreement and the second security agreement, one or more secure communication channels between the source access point and the one or more second access points, wherein establishment of the one or more secure communication channels prior to receipt of the page message decreases a latency associated with paging the mobile station relative to a latency associated with paging the mobile station independent of prior establishment of the one or more secure communication channels; receiving, from the source access point over the one or more secure communication channels, the page message for a mobile station in a service area of the one or more second access points; and transmitting, by the first access point over the one or more secure communication channels established between the source access point and the one or more second access points, the page message, received from the source access point, to the one or more second access points for paging the mobile station. ### Claim 17 (depends on 16) The system of claim 16, wherein the operations further comprise: causing, based on the page message, the mobile station to be paged. ### Claim 18 (depends on 17) The system of claim 17, wherein the one or more second access points are geographically associated with the first access point. ### Claim 19 (depends on 17) The system of claim 17, wherein the service area of the one or more second access points at least partially borders or overlaps with a service area of the first access point. ### Claim 20 (depends on 19) The system of claim 19, wherein the first security agreement is established before the first access point receives the page message. ### Claim 21 (depends on 1) The method of claim 1, further comprising: receiving a network access message from the mobile station, wherein the network access message comprises location information of the mobile station; determining identifiers for one or more third access points associated with the network access message; and transmitting the identifiers to the source access point. ### Claim 22 (depends on 21) The method of claim 21, wherein receiving the network access message comprises receiving a response to a page message. ### Claim 23 (depends on 21) The method of claim 21, wherein receiving the network access message comprises receiving a request by the mobile station to access the network. ### Claim 24 (depends on 21) The method of claim 21, wherein determining the identifiers comprises determining an IP address from a PN offset. ### Claim 25 (depends on 21) The method of claim 21, wherein determining the identifiers comprises determining an IP address from a PN phase. ### Claim 26 (depends on 21) The method of claim 21, wherein determining the identifiers comprises: reading the identifiers from the network access message; and mapping the identifiers for use in connection setup, wherein the identifiers correspond to the one or more second access points ### Claim 27 (depends on 21) The method of claim 21, wherein determining the identifiers comprises determining identifiers that may be used to form an active set for the mobile station. ### Claim 28 (depends on 1) The method of claim 1, further comprising: receiving a network access message from a mobile station; forwarding the network access message to a source access point; initiating a security agreement process with one or more third access points identified In the network access message; and handing off the security agreement process to the source access point. ### Claim 29 (depends on 28) The method of claim 28 wherein the network access message comprises a response to a page message. ### Claim 30 (depends on 1) The method of claim 1, further comprising: receiving a network access message from a mobile station; transmitting the network access message to the source access point; and initiating a resource allocation process on one or more third access points identified in the network access message before receiving a response from the source access point. ### Claim 31 (depends on 30) The method of claim 30, wherein initiating the resource allocation process comprises: determining an IP address for at least one of the one or more third access points from a PN offset reported by the mobile station; and initiating messaging with the at least one of the one or more third access points to allocate resources for connection setup. ### Claim 32 One or more non-transitory machine-readable media storing instructions that are executable by one or more processing devices to perform, in a first access point, operations comprising: prior to receiving a page message: establishing a first security agreement for secure communication between the first access point and one or more second access points; establishing a second security agreement for secure communication between the first access point and a source access point; and establishing, through the first access point by the first security agreement and the second security agreement, one or more secure communication channels between the source access point and the one or more second access points, wherein establishment of the one or more secure communication channels prior to receipt of the page message decreases a latency associated with paging the mobile station relative to a latency associated with paging the mobile station independent of prior establishment of the one or more secure communication channels; receiving, from the source access point over the one or more secure communication channels, the page message for a mobile station in a service area of the one or more second access points; and transmitting, by the first access point over the one or more secure communication channels established between the source access point and the one or more second access points, the page message, received from the source access point, to the one or more second access points for paging the mobile station. ### Claim 33 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the service area of the one or more second access points at least partially borders or overlaps with a service area of the first access point. ### Claim 34 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the one or more second access points are geographically associated with the first access point. ### Claim 35 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein establishing the first security agreement comprises establishing an IPSec SA agreement. ### Claim 36 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the first security agreement comprises a PKI certificate. ### Claim 37 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the operations further comprise: identifying the one or more second access points prior to receiving the page message. ### Claim 38 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the one or more second access points are located within a threshold distance of the first access point. ### Claim 39 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein an identity of the one or more second access points is determined by a map server. ### Claim 40 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the operations further comprise receiving the page message at the first access point. ### Claim 41 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the source access point is configured to store a location of the mobile station. ### Claim 42 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the second security agreement is established between the first access point and the source access point prior to an arrival of the page message at the source access point. ### Claim 43 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the operations further comprise receiving mobile station communication preferences from the source access point. ### Claim 44 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the operations further comprise performing a quick connect with the mobile station. ### Claim 45 (depends on 32) The one or more non-transitory machine-readable media of claim 32, wherein the operations further comprise causing, based on the page message, the mobile station to be paged. ### Claim 46 (depends on 44) The one or more non-transitory machine-readable media of claim 44, wherein performing the quick connect comprises establishing an ad-hoc connection with the mobile station using one or more default communication preferences.