Abstract:
A SYSTEM (100) AND METHOD (10) FOR TRACKING ACTIVE WIRELESS CLIENTS (160) IN A WIRELESS MULTICAST NETWORK, COMPRISING A WIRED INTERFACE (110) MEANS FOR ESTABLISHING NETWORK CONNECTIONS TO A PLURALITY OF EXTERNAL NETWORKS, A MULTICAST MODULE (120) MEANS FOR PROCESSING MULTICAST STREAM RECEIVED FROM THE WIRED INTERFACE (110), A MULTICAST TRANSLATION TABLE (130) MEANS FOR STORING THE ADDRESSES OF A PLURALITY OF ACTIVE WIRELESS CLIENTS (160) AND CONVERSION TABLE FOR CONVERTING INCOMING MULTICAST STREAM TO OUTGOING UNICAST STREAM, A RESPONSE-REQUEST GENERATOR MODULE (140) MEANS FOR PERIODICALLY TRANSMITTING A PLURALITY OF RESPONSE-REQUEST MESSAGES TO THE PLURALITY OF WIRELESS CLIENTS (160), AND A WIRELESS INTERFACE (150) MEANS FOR ESTABLISHING WIRELESS NETWORK CONNECTIONS WITH THE PLURALITY OF WIRELESS CLIENTS (160) AND TRANSMITTING UNICAST STREAM. MOST ILLUSTRATIVE
Abstract:
A METHOD TO ALLOW A MORE EFFICIENT ROUTING IN NETWORK MOBILITY (100) BY MEANS OF A MOBILE ROUTER (13) DECIDING ON A MORE EFFICIENT ROUTE TO BE TAKEN AS IT ROAMS BETWEEN NETWORKS COMPRISING THE STEPS OF STARTING A DELAY COUNTER WHEN THE MOBILE ROUTER (13) PERFORMED A HANDOFF FROM ONE NETWORK TO ANOTHER NETWORK, DECIDING WHETHER PERFORMING A ROUTE OPTIMIZATION (17) IS NECESSARY BASED ON THE DELAY COUNTER, STRIPPING OF A PARENT SUBNET FROM A NEW CARE-OF-ADDRESS, COMPARING THE PARENT SUBNET WITH HOME SUBNET, DECIDING WHETHER THE MOBILE ROUTER (13) IS PERFORMING A MICROMOBILITY OR MACROMOBILITY, DECIDING WHETHER THE MOBILE ROUTER IS ROAMING IN ITS PARENT NETWORK (15) OR IN/BETWEEN FOREIGN NETWORKS AND SELECTING AN APPROPRIATE ROUTE OPTIMIZATION (17) METHOD BASED ON TYPE OF MOBILITY PERFORMED.
Abstract:
THE PRESENT INVENTION RELATES GENERALLY TO A SYSTEM TO DEPLOY QUALITY OF TRANSMISSION AND A METHOD THEREOF. THE SYSTEM INCLUDES A MODULE (10) TRANSLATING AT LEAST ONE MULTICAST PACKET TO AT LEAST ONE MEDIA ACCESS CONTROL (MAC) PACKET. THE SYSTEM FURTHER INCLUDES QUEUING AND SCHEDULING THE AT LEAST ONE MAC PACKET BASED ON USER ASSIGNED RATIO OF IMPORTANCE. THE USER ASSIGNED RATIO OF IMPORTANCE MAY BE BASED ON MULTICAST ADDRESS, SOURCE ADDRESS OR MAC ADDRESS OR ANY COMBINATION THEREOF.
Abstract:
A SYSTEM (10) FOR POWER MANAGEMENT WITH OPTIMIZED CONNECTIVITY IN HANDOFF OF MOBILE DEVICE (11) BETWEEN HETEROGENEOUS NETWORK (12, 13, 14) SAID MOBILE DEVICE (11) COMPRISING A POWER MANAGEMENT MODULE WHICH OBTAINS POWER STATE INFORMATION OF SAID MOBILE DEVICE (11), AND A NETWORK INTERFACE MANAGEMENT MODULE WHICH INCLUDES A PRIORITIZED SET OF NETWORK INTERFACES (12, 13, 14) TO ENABLE SAID MOBILE DEVICE (11) TO SELECT FOR OPTIMUM QUALITY OF CONNECTION ACCORDING TO THE POWER STATE OF SAID MOBILE DEVICE (11).
Abstract:
The present invention relates to system and method for MAC layer handoff which comprises of multiple access points, a mobile device, and an access controller. It is used to minimize MAC layer handoff latency in centralized WLAN network and obviate scanning time during MAC layer handoff process. It is also used to reduce number of probed channels and waiting time for each channel response during probing phase. The system comprises at least one mobile device (110) connected to an access point (120), at least two access points (120), and an access controller connected to the at least two access point (120). The at least one mobile device (110) includes an AP Channel Receiver (111), the access controller (130) includes a Next AP Selector (140); and each access point (120) includes a Received Signal Strength Inspector (142).
Abstract:
A method and a system for implementing a location based Internet Protocol (IP) addressing scheme for improving mobile IP hand-off process are disclosed. In one embodiment herein, location co-ordinates (101) of a mobile device on the globe are obtained. Each location co-ordinate (101) may have a degree unit (102a), a minute unit (102b), a second unit (102c) and at least one precision unit (102d). The co- ordinates (101) are converted into an IP-based numeric value, 'N' and then embedded inside an IP address to create a location based IP address for improving mobile IP hand-off rocess.
Abstract:
A method (200) and system (100) for encapsulating multicast packets into unicast packets, the system comprises a TCP/TP communication stack having means for receiving a plurality of incoming multicast packets from an incoming wireless module (102), a first translation module (106) having means for translating the plurality of incoming multicast packets to a recognizable format for mapping, an intelligent hashing table (110) comprises means for storing a extracted subscriber IP address, a subscriber MAC address and a TTL period, a second translation module (114) comprises means for translating the unicast packets to a format recognizable for transmission, means for transmitting the unicast packets into an outgoing wireless module (116) and mapping modules comprises of a first mapping module (108) and a second mapping module (112). The mapping modules (108, 112) comprises the method of extracting the subscriber IP address, the subscriber MAC address and the TTL period from a plurality of incoming multicast packets (302), storing the subscriber IP address, the subscriber MAC address and the TTL period in an intelligent hashing table (304); encapsulating the plurality of incoming multicast packets into a plurality of unicast packets (306), forwarding the unicast packets for mapping (308) and multiplying the unicast packets in the presence of multiple subscribers (310).
Abstract:
The present invention provides a method and system for handoff control in a wireless communication network. In an embodiment, a method for handoff control in an IP based wireless communication network, comprising (i) monitoring and obtaining movement information of a moving mobile node (ii) predicting the next point of network attachment for the client mobile node, and (iii) performing the handoff operation before the mobile node moves to a new location corresponding to next point of network attachment, wherein the interruption time during the handoff is substantially minimum.
Abstract:
The present invention relates to data communications networks more particularly system and method for detecting and recovering backhaul network disconnection in an access point. One of the advantages of the present invention provides system and method for detecting and recovering backhaul network disconnection in an access point. Another advantage of the present invention is that corrective action when the backhaul network is down and providing reports on backhaul network disconnection to a network administrator. The present invention further actively sends messages to determine the link status when connectivity is not detected.
Abstract:
The present invention relates to a method of maintaining mobile connectivity in a mixed protocol access environment and more particularly the present invention relates to a method of maintaining mobile IPv6 connectivity when a mobile node moves from one point to another by preventing the mobile node from attaching to an IPv4 network. The present invention includes a method by which a mobile IPv6 enabled MN would become intelligent enough to avoid other protocols. The present invention is also designed to restrict the mobility of the MN to be within the IPv6 domain. The present invention provides a model for Internet Service Providers (ISPs) who are interested in deploying mobile IPv6 and who do not want interference from existing IPv4 infrastructure. The present invention is also designed for mobility within an only IPv6 enabled network or it can also be used to move within an only IPv4 enabled network or to move between a selected list of APs.