Systems and Methods for Configuring Subscriber Systems in Wireless Mesh Networks

• US 20090117893A1
• Filed: 01/22/2008
• Published: 05/07/2009
• Est. Priority Date: 04/15/2002
• Status: Active Grant

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: AOL LLC (Apollo Global Management, Inc.)
• Inventors: Weigand, Gilbert G.
• Granted Patent: US 7,606,597 B2
• Time in Patent Office: Days
• US Class Current: 455/424
• CPC Class Codes: H04L 41/06 Management of faults, events, alarms or notifications
• CPC Class Codes: H04L 41/0681 Configuration of triggering conditions
• CPC Class Codes: H04L 41/0816 the condition being an adaptation, e.g. in response to network events
• CPC Class Codes: H04L 41/082 the condition being updates or upgrades of network functionality
• CPC Class Codes: H04L 41/0853 by actively collecting configuration information or by backing up configuration information
• CPC Class Codes: H04L 43/00 Arrangements for monitoring or testing data switching networks
• CPC Class Codes: H04L 43/0811 by checking connectivity
• CPC Class Codes: H04L 43/0882 Utilisation of link capacity
• CPC Class Codes: H04L 43/0888 Throughput
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04L 45/00 Routing or path finding of packets in data switching networks routing or path finding in wireless networks H04W40/00
• CPC Class Codes: H04L 5/0058 Allocation criteria
• CPC Class Codes: H04W 16/18 Network planning tools
• CPC Class Codes: H04W 16/28 using beam steering
• CPC Class Codes: H04W 28/021 in wireless networks with changing topologies, e.g. ad-hoc networks self-organizing networks H04W84/18
• CPC Class Codes: H04W 40/06 based on characteristics of available antennas
• CPC Class Codes: H04W 40/22 using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

A wireless network may be managed by identifying one or more wireless subscriber systems included in a lobe pool of a wireless network, identifying at least one candidate subscriber system outside of the lobe pool with which to enable communications, and reconfiguring the antenna such that the lobe pool includes the identified candidate subscriber system.

Claims

1-42. -42. (canceled)

43. A method comprising:

detecting a state of a first wireless network, the first wireless network including a first base station and one or more subscriber systems;

based on the detected state of the first wireless network, determining whether to reconfigure a particular one of the subscriber systems of the first wireless network to enable access by the particular subscriber system to a second wireless network, the second wireless network including a second base station that differs from the first base station; and

responsive to a determination to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network, adjusting an antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

44. The method of claim 43 wherein adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes electrically tuning the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

45. The method of claim 44 wherein electrically tuning the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes modifying a directional gain of the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

46. The method of claim 45 wherein modifying the directional gain of the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes altering a phase of the antenna of the particular subscriber system.

47. The method of claim 43 wherein adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes mechanically tuning the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

48. The method of claim 47 wherein:

the particular subscriber system includes a motor that is configured to enable a physical direction of the antenna of the particular subscriber system to be changed; and

mechanically tuning the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes using the motor to change the physical direction of the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

49. The method of claim 43 wherein:

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining whether to remove the particular subscriber system from the first wireless network and reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network; and

adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes adjusting the antenna of the particular subscriber system to;

remove the particular subscriber system from the first wireless network, and

enable the particular subscriber system to participate in the second wireless network.

50. The method of claim 43 further comprising, after adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network, exchanging at least one communication between the particular subscriber system and the second base station.

51. The method of claim 50 wherein adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes adjusting the antenna of the particular subscriber system such that a lobe of the antenna of the particular subscriber system includes at least the second base station.

52. The method of claim 43 wherein:

the second wireless network includes one or more additional subscriber systems; and

the method further comprises;

after adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network, exchanging at least one communication between the particular subscriber system and one of the additional subscriber systems of the second wireless network.

53. The method of claim 52 wherein adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes adjusting the antenna of the particular subscriber system such that a lobe of the antenna of the particular subscriber system includes at least the one additional subscriber system of the second wireless network.

54. The method of claim 43 wherein:

detecting a state of the first wireless network includes using the first base station to detect a state of the first wireless network;

determining whether to reconfigure a particular one of the subscriber systems of the first wireless network to enable access by the particular subscriber system to a second wireless network includes using the first base station to determine whether to add a particular one of the subscriber systems of the first wireless network to a second wireless network; and

adjusting an antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes transmitting an instruction from the first base station to the particular subscriber system instructing the particular subscriber system to adjust an antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

55. The method of claim 43 wherein:

detecting a state of the first wireless network includes receiving, at the particular subscriber system, an indication of the state of the first wireless network from the first base station; and

determining whether to reconfigure a particular one of the subscriber systems of the first wireless network to enable access by the particular subscriber system to a second wireless network includes determining, at the particular subscriber system, whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network.

56. The method of claim 43 wherein adjusting an antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes:

receiving, at the particular subscriber system, an instruction from the first base station to adjust the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network; and

in response to receiving the instruction from the first base station to adjust the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network, adjusting the antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network.

57. The method of claim 43 wherein determining whether to reconfigure a particular one of the subscriber systems of the first wireless network to enable access by the particular subscriber system to a second wireless network includes:

adjusting the antenna of the particular subscriber system and probing one or more other wireless networks to determine a status of each of the one or more other wireless networks, the one or more other wireless networks including the second wireless network; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on status of the one or more other wireless networks determined by probing the one or more other wireless networks with the antenna.

58. The method of claim 43 wherein:

detecting a state of the first wireless network includes detecting that the particular subscriber system and another subscriber system of the first wireless network may interfere with each other if both the particular subscriber system and the other subscriber system of the first wireless network are participating in the first wireless network; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on detecting that the particular subscriber system and the other subscriber system of the first wireless network may interfere with each other if both the particular subscriber system and the other subscriber system of the first wireless network are participating in the first wireless network.

59. The method of claim 43 wherein:

detecting a state of a first wireless network includes detecting a congestion level of the first wireless network; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on the detected congestion level of the first wireless network.

60. The method of claim 59 wherein:

detecting a congestion level of the first wireless network includes detecting that the congestion level of the first wireless network is degrading performance of the first wireless network relative to the particular subscriber system; and

determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on the detected congestion level of the first wireless network includes determining to reconfigure the particular subscriber system to the enable access by the particular subscriber system to the second wireless network based on detecting that the congestion level of the first wireless network is degrading performance of the first wireless network relative to the particular subscriber system.

61. The method of claim 60 wherein:

detecting that the congestion level of the first wireless network is degrading performance of the first wireless network relative to the particular subscriber system includes detecting that the particular subscriber system is a source of the congestion on the first wireless network; and

determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on detecting that the congestion level of the first wireless network is degrading performance of the first wireless network relative to the particular subscriber system includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on detecting that the particular subscriber system is a source of the congestion on the first wireless network.

62. The method of claim 43 wherein:

detecting a state of a first wireless network includes anticipating an increased congestion level of the first wireless network; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on anticipating the increased congestion level of the first wireless network.

63. The method of claim 62 wherein anticipating an increased congestion level of the first wireless network includes, receiving at the particular subscriber system, an indication from the first base station that an amount of bandwidth in the first wireless network previously allocated to the particular subscriber system is going to be decreased.

64. The method of claim 62 further comprising detecting predictable usage patterns of the first wireless network, wherein anticipating an increased congestion level of the first wireless network includes anticipating an increased congestion level of the first wireless network based on the previously detected predictable usage patterns of the first wireless network.

65. The method of claim 62 further comprising detecting periodic usage patterns of the first wireless network, wherein anticipating an increased congestion level of the first wireless network includes anticipating an increased congestion level of the first wireless network based on the previously detected periodic usage patterns of the first wireless network.

66. The method of claim 43 further comprising detecting a state of the second wireless network, wherein determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes:

based on the detected state of the first wireless network and the detected state of the second wireless network, determining that the second wireless network is capable of providing the particular subscriber system with better service than the first wireless network; and

determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on determining that the second wireless network is capable of providing the particular subscriber system with better service than the first wireless network.

67. The method of claim 43 wherein:

detecting a state of the first wireless network includes detecting that atmospheric conditions associated with the first wireless network are degrading performance of the first wireless network relative to the particular subscriber system; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on detecting that the atmospheric conditions associated with the first wireless network are degrading performance of the first wireless network relative to the particular subscriber system.

68. The method of claim 43 wherein:

detecting a state of the first wireless network includes detecting that weather conditions associated with the first wireless network are degrading performance of the first wireless network relative to the particular subscriber system; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on detecting that the weather conditions associated with the first wireless network are degrading performance of the first wireless network relative to the particular subscriber system.

69. The method of claim 43 wherein:

detecting a state of the first wireless network includes detecting a failure of the first wireless network; and

determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on detecting the failure of the first wireless network.

70. The method of claim 43 further comprising accessing a state table that includes information regarding states of one or more additional wireless networks, the one or more additional wireless networks including the second wireless network, wherein determining whether to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network includes determining to reconfigure the particular subscriber system to enable access by the particular subscriber system to the second wireless network based on information regarding the second wireless network accessed from the state table in addition to the detected state of the first wireless network.

71. The method of claim 70 wherein the state table resides on the first base station such that accessing the state table includes accessing the state table on the first base station.

72. The method of claim 70 wherein the state table resides on the particular subscriber system such that accessing the state table includes accessing the state table on the particular subscriber system.

73. The method of claim 43 wherein:

the particular subscriber system includes at least two antennas; and

adjusting an antenna of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network includes adjusting at least one of the at least two antennas of the particular subscriber system to enable the particular subscriber system to participate in the second wireless network while leaving at least another one of the at least two antennas of the particular subscriber system unchanged.

74. A wireless subscriber system for participating in one or more wireless networks, the wireless subscriber system comprising:

an antenna configured to enable wireless communications with one or more base stations and one or more other subscriber systems; and

a controller configured to;

detect a state of a first wireless network in which the wireless subscriber system is participating, the first wireless network including a first base station and one or more subscriber systems;

determine, based on the detected state of the first wireless network, whether to join the wireless subscriber system to a second wireless network, the second wireless network including a second base station; and

adjust, responsive to a determination to add the wireless subscriber system to the second wireless network, an antenna of the wireless subscriber system to enable the wireless subscriber system to participate in the second wireless network.

75. The wireless subscriber system of claim 74 wherein:

the antenna is configured for electrical tuning; and

the controller is configured to adjust the antenna to enable the wireless subscriber system to participate in the second wireless network by electrically tuning the antenna to enable the wireless subscriber system to participate in the second wireless network.

76. The wireless subscriber system of claim 74 wherein:

the antenna is configured for mechanical tuning; and

the controller is configured to adjust the antenna to enable the wireless subscriber system to participate in the second wireless network by mechanically tuning the antenna to enable the wireless subscriber system to participate in the second wireless network.

77. The wireless subscriber system of claim 76 further comprising a motor that is configured to enable a physical direction of the antenna of the particular subscriber system to be changed, wherein the controller is configured to mechanically tune the antenna to enable the wireless subscriber system to participate in the second wireless network by causing the motor to change the physical direction of the antenna to enable the wireless subscriber system to participate in the second wireless network.

78. The wireless subscriber system of claim 74 wherein:

the antenna is configured to receive an indication of the state of the first wireless network from the first base station; and

the controller is configured to determine whether to join the wireless subscriber system to the second wireless network based on the indication of the state of the first wireless network received from the first base station.

79. The wireless subscriber system of claim 74 wherein:

the antenna is configured to receive an instruction from the first base station to join the wireless subscriber system to the second wireless network; and

the controller is configured to adjust the antenna to enable the wireless subscriber system to participate in the second wireless network in response to the instruction received from the first base station to join the wireless subscriber system to the second wireless network.

80. The wireless subscriber system of claim 74 wherein the controller is further configured to:

adjust the antenna to probe one or more other wireless networks to determine a status of each of the one or more other wireless networks, the one or more other wireless networks including the second wireless network; and

determine whether to add the wireless subscriber system to the second wireless network based on status of the one or more other wireless networks that were determined by probing the one or more other wireless networks with the antenna.

81. The wireless subscriber system of claim 74 wherein the controller is further configured to:

detect that a congestion level of the first wireless network is degrading performance of the first wireless network relative to the wireless subscriber system; and

determine to join the wireless subscriber system to the second wireless network based on detecting that the congestion level of the first wireless network is degrading performance of the first wireless network relative to the wireless subscriber system.

82. The wireless subscriber system of claim 74 wherein the controller is further configured to:

detect a failure of the first wireless network; and

determine to add the wireless subscriber system to the second wireless network based on detecting the failure of the first wireless network.

83. The wireless subscriber system of claim 78 further comprising a state table that includes information related to other devices participating in the first wireless network, wherein the controller is configured to detect a state of the first wireless network by accessing the information related to the other devices participating in the first wireless network from the state table.

84. A method comprising:

enabling communications in a wireless network between a base station in the wireless network and an existing subscriber system in the wireless network;

receiving a request for a new subscriber system to join the wireless network; and

in response to receiving the request for the new subscriber system to join the wireless network, adjusting an antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station.

85. The method of claim 84 further comprising:

detecting a state of the wireless network; and

in response to receiving the request for the new subscriber system to join the wireless network, determining that the wireless network is capable of supporting the new subscriber system based on the detected state of the wireless network, wherein adjusting the antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station includes adjusting the antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station based on the determination that the wireless network is capable of supporting the new subscriber system.

86. The method of claim 85 wherein determining that the wireless network is capable of supporting the new subscriber system based on the detected state of the wireless network comprises determining that sufficient bandwidth is available from the wireless network to support the new subscriber system.

87. The method of claim 85 wherein:

receiving a request for a new subscriber system to join the wireless network includes receiving the request for the new subscriber system to join the wireless network at the base station; and

adjusting an antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station includes transmitting an instruction from the base station to the existing subscriber system instructing the existing subscriber system to adjust an antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station.

88. The method of claim 85 wherein receiving a request for a new subscriber system to join the wireless network includes receiving the request for the new subscriber system to join the wireless network at the existing subscriber system.

89. The method of claim 84 further comprising:

after adjusting an antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station, receiving a communication from the new subscriber system; and

relaying the communication received from the new subscriber system to the base station.

90. The method of claim 84 wherein:

the existing subscriber system includes at last a first antenna and a second antenna, wherein the first antenna is used to enable communications between the existing subscriber system and the base station; and

adjusting an antenna of the existing subscriber system to enable the existing subscriber system to function as a relay between the new subscriber system and the base station includes adjusting the second antenna to enable communications between the existing subscriber system and the new subscriber system.

91. A wireless subscriber system for participating in a wireless network, the wireless subscriber system comprising:

an antenna at the wireless subscriber system configured to enable the wireless subscriber system to communicate wirelessly with one or more other devices in a wireless network; and

a controller configured to adjust the antenna to enable the wireless subscriber system to function as a relay between a base station in the wireless network and a new subscriber system.

92. The wireless subscriber system of claim 91 wherein:

the antenna is configured to receive a request from the new subscriber system to join the wireless network; and

the controller is configured to adjust the antenna to enable the wireless subscriber system to function as a relay between the base station and the new subscriber system in response to the request received from the new subscriber system to join the wireless network.

93. The wireless subscriber system of claim 91 wherein the controller is further configured to:

detect a state of the wireless network;

determine that the wireless network is capable of supporting the new subscriber system based on the detected state of the wireless network; and

adjust the antenna to enable the wireless subscriber system to function as a relay between the base station and the new subscriber system based on the determination that the wireless network is capable of supporting the new subscriber system.

94. The wireless subscriber system of claim 91 further comprising:

a buffer configured to temporarily store communications received from the new subscriber system before relaying the communications received from the new subscriber system to the base station; and

a different antenna at the wireless subscriber system that is configured to enable communications between the wireless subscriber system and the base station, wherein;

after being adjusted to enable the existing subscriber system to function as a relay between the base station and the new subscriber system, the antenna is configured to receive communications from the new subscriber system, and

the controller is further configured to;

cause at least some communications received by the antenna from the new subscriber system to be temporarily stored in the buffer, and

cause the at least some communications stored in the buffer to be relayed to the base station using the different antenna.