Abstract: The invention relates to an improved backplane communication system. In one embodiment this is accomplished by a central data processing card including at least one master central card and a plurality of slave central card, wherein each master central card and the slave central card having a first SerDes (serializer-deserializer), a first clock and a first faster local clock, a line card including a second SerDes (serializer-deserializer), a clock selection module and a second faster local clock and a serial communication channel coupling the central data processing card and the line card, wherein the master central card uses the first faster local clock to transmits the data at a rate higher than actually required, wherein the transmitted data includes a stuff data to adjust to the link data rate between the central data processing card and line card.

Abstract: The invention relates to a learning-based method for loop avoidance in a packet switched communication network. In one embodiment, this is accomplished by configuring each communication device to maintain a table of unique identifiers, where the unique identifiers include Media Access Control (MAC) address, MAC and Virtual Local Area Network (VLAN) address, Internet Protocol (IP) address or any other unique device identifier, receiving one or more data packet on one or more port of the device, checking the table for unique source identifier of the received data packet, determining whether the received data packet is received from the same port of the device as in the table against the corresponding entry, and updating learned time entry with current system clock time of the device and forwarding the data packet to the next communication device if the packet is received from the same port.

Abstract: Embodiments of the present invention described herein, discloses a method and a system for segment protection system in an Ethernet communication network. In one embodiment herein, a ‘periodic integrity check’ message frame being created at the source-node and is multicasted to the destination-node directly and via the peer node(s) within a segment protection domain. A ?1 receiver is configured at the destination-node for receiving the multicasted message frames. The ?1 receiver ‘selects’ only single message frame from the multicasted message frames being received at all maintenance points, for maintaining at least one fault-less path between the source-node and the destination-node.

Abstract: The present invention relates to a method and apparatus for scheduling resources in system architecture. In one embodiment, this can be accomplished by storing temporarily jobs form a plurality of queues, where each queue a weight is set up, forming a set of elements, wherein the set size is based on the weights assigned to each queue, selecting one element from the formed set in an order, wherein the order can be predefined or random order and serving at least one job from the plurality of queues, wherein selection of the job is from the queue that corresponds to element of the formed set.

Abstract: The present invention relates to a method and system for efficient error free packet reception using hybrid automatic repeat-request (HARQ) in a wireless communication system. In one embodiment this is accomplished by receiving in a plurality of modulated digital data as transmission signal at a receiver transmitted through a plurality of transmission paths from a transmitter, demodulating the received transmission signals, estimating the difference between the received transmission signals and the ideal expected signal constellation in order to determine the weights for each constellation symbols, applying the determined weights for each symbol-wise of the received transmission data, storing the weighted data as final data in a buffer of a HARQ combining unit and processing the stored final data to determine whether the received data frames are correct.

Abstract: The present invention relates to a method and system of transmitting a bearer resource request message from a UE over a plurality of relay node to a mobility management entity for setting up an EPS bearer in an LTE Network. In one embodiment this is accomplished by receiving the bearer resource request message at the MME_UE from the UE, wherein the bearer resource request message is corresponding to the UE's original bearer resource request, inspecting the received message by the MME_UE and thereby creating bearer resource request for the plurality of MME of relay nodes, wherein the MMEs are identified by the Relay Node IDs, broadcasting the bearer resource request to all MME_RN corresponding to the relay nodes by the MME_UE and collating the responses received from all the MME_RN's, such that UE's EPS bearer can be admitted and thereby forwarding the response as an S1-AP message towards UE and RNs.

Abstract: The various embodiments herein provide a method and system for providing protection switching at a client layer on squelching of clients by a server layer protection controller in a nested protection system. The method comprises of marking a plurality of alarms of a pre-defined pattern and disabling a hold-off period for the plurality of marked alarms on receiving a squelch operation indication. The system comprises of one or more hold-off timers pre-configured with a hold off period and an alarm filter and hold-off processor (AFHP) for disabling the hold-off timer to invalidate the hold-off period for the plurality of marked alarms, wherein the plurality of marked alarms is an AIS generated due to squelching.

Abstract: The present invention relates to an LTE wireless communication method for transceiving wireless device data. In one embodiment, this is accomplished by a plurality of base transceiver station (BTS) linked by a network over which the base transceiver stations communicate, wherein the network includes at least one leaf BTS and at least two hub BTS, and wherein hub BTS include a first hub BTS and a second hub BTS, checking periodically for control signal by all the BTS, wherein the control signals are periodically exchanged by all the BTS through wireless channel, transparently, down-linking user traffic towards a user equipment append to the leaf BTS from the first hub BTS to the leaf BTS in the first communication area using a first frequency band and up-linking the user traffic from the user equipment append to the leaf BTS using wireless channel between second hub BTS and leaf BTS.

Abstract: The present invention relates to a method for cancelling adjacent cells interference signal in a wireless communication system. In one embodiment this is accomplished by receiving desired user signal and cancel the channel effect using the desired users reference and or pilot signals, by a serving base station, identifying interference power by estimating the interferer power, determining if the interference is more than threshold, monitoring the interference and identify the interferer signal, re-generating the interference signal source and perform the channel estimate for the interferer, and canceling the interference by applying the interference pattern and the channel estimate to the desired user who's interference is more than threshold.

Abstract: The various embodiments herein provide a method and system for protecting multiple work ODU failures using a higher capacity protect ODU in an Optical Transport Network. The method for protecting multiple work ODU failures in an Optical Transport Network comprising steps of detecting signal failures in at least one of a plurality of work ODUs, requesting for release of one or more time-slots for a defective work ODU and allocating the one or more time-slots of a low priority traffic from the protect ODU in an incremental manner of priority. The method apply a TPN based policy for defining lower ODUs, performs handshaking between the transmit and downstream ends using the protocol provided, defines the role and behavior of the various system components and the service requests and performs an automatic lockout of protection for the work ODU in which an UDI alarm is present.

Abstract: The present invention relates to a method and apparatus for reducing the resource utilization of the switching fabric in a SONET/SDH multiplexer by switching data on a TU level instead of byte or column level.

Abstract: Instant discloser is a method to transmit multiple data-streams of varying capacity data using Virtual Concatenation (VCAT) over Synchronous Digital Hierarchy (SDH) network, comprising acts of determining number of data bytes to be requested for each Virtual Concatenation Group (VCG) in a row-time of the aggregated bandwidth and storing it in a VCG request configuration memory, reading the requested number of data bytes from each data-stream in order in to a Row Buffer for each row time of an SDH frame, reading data stored in the Row Buffer from memory address determined by one or more connection memory wherein the connection memory is programmed to carry out sequencing of bytes of the Row Buffer based on the VCAT numbering, and inserting path overhead (POH) and pointer information in to the read data streams in previous step to transmit multiple data-streams of varying capacity data using VCAT over SDH network.

Abstract: The present invention and its embodiments are made to provide for a feasible solution for determining transport block size in a wireless communication system. The method comprising of selecting plurality of transport block sizes near to the queue size of the user data and calculating the code rate for the plurality of selected transport block sizes and calculating code rate derived from Channel Quality Information (CQI) index. The method further comprising of comparing the code rates of the plurality of selected transport block sizes with the code rate derived from CQI index and filtering the selected transport block sizes having number of zero padding below a threshold value and having code rates equal or less than the code rate derived from CQI index and selecting one transport block for each modulation order from among the filtered transport block sizes which require lower number of Physical Resource Blocks (PRBs) to transmit.

Abstract: The invention provides for method, system and node for ‘System Information’ (SI) message communication in an LTE deployed wireless communication system comprising of mapping at least a System Information Block (SIB) message into a System Information (SI) message in which SIB messages of same periodicity are mapped to a single SI message. The method further comprising segmenting dynamically the SI message exceeding predefined threshold value of SI bits known a priori that can be transmitted in any one subframe and transmitting the segmented SI messages in the corresponding SI-window wherein, the transmitted segment is indicated as part of previously transmitted segment via one bit indication taken out from the maximum number of bits that can be transmitted in a subframe and wherein if the indication bit is set to ‘1’ then the segment is part of previous frame that had non-zero indication bit and if indication bit is ‘0’ then the segment is the last segment of the System Information message.

Abstract: The present invention relates to a methods and system for allocating resources, e.g., bandwidth over time in a sectorized cellular communications network. In one embodiment this is accomplished by dividing the sectors in to one or more logical sectors, generating plurality of time frequency allocation maps, to schedule the time and frequency resources to avoid interference, for each of said one or more divided sectors, identifying logical sector within the physical sector by means of UE position and serving the UE with logical sector which eliminates interference and maximizes the throughput by re-using the time and frequency resources again and again.

Abstract: An aspect of the invention provides for a method of managing bearer signaling for one or more user equipments (UEs) coupled to a eNodeB via at least one relay node, by generating and sending MME Association Consolidation (MAC) request message by the eNodeB to the plurality of disparate mobility management entities managing plurality of user equipments coupled to the said relay node based on receiving bearer resource request of at least one user equipment coupled to the said relay node. The method further comprising of receiving MAC response by eNodeB from the plurality of disparate mobility management entities managing plurality of user equipments coupled to the relay node and forwarding to the MME of the said relay node, the received MME Association Consolidation (MAC) response by the eNodeB.

Abstract: An aspect of the invention provides for a method of managing bearer signaling for one or more user equipments (UEs) coupled to a eNodeB via at least one relay node, by generating and sending MME Association Consolidation (MAC) request message by the eNodeB to the plurality of disparate mobility management entities managing plurality of user equipments coupled to the said relay node based on receiving bearer resource request of at least one user equipment coupled to the said relay node.

Abstract: The present invention relates to a protection switching for use in a communication network, and more particularly, to a method and a system for protection switching provision by a distributed or extended protection group in a communication network.

Abstract: A method and system for bandwidth allocation in a wireless communication system, by assigning at least one specific frequency, called hand-off frequency, to one or more base station called as hand-off base station (HBS) located within the service area, for handing off subscriber stations between at least two cells, wherein the said hand-off frequency is not used by the base station of the said two cells for serving subscriber stations and wherein, hand-off is triggered when received signal strength at serving base station, hand-off base station or at subscriber station is below acceptable value and assigning frequencies, other than the hand-off frequency, to the base stations called as serving base stations (SBS) located within the cells of the service area, for serving the subscriber stations within the cell. The method further comprising of regulating the signal transmission strength of the serving base station.

Abstract: The present invention relates to a protection method based on preplanning duality of paths for a unicast and/or a multicast traffic, by extending a network into hierarchy of connected rings to form a hierarchical ring based tree (HRBT) structure. The present method enables a deterministic method to route a frame (or packet) when a primary path to destination is unavailable due to node/link failure, bandwidth crunch, mis-configuration, etc. If both primary and secondary (or alternate) path are pre-provisioned before traffic is allowed, the switch-over time from primary (P) path to secondary (S) path will be minimized, thus enabling 50 ms protection switching in packet network.