| PMC SIERRA ISRAEL LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120045203 | SYSTEM AND METHOD FOR DETERMINING NON-FRAGMENTATION FOR COMMUNICATION OF PACKETS - A system and method for determining non-fragmentation for communication of data packets includes generating a plurality of packets and storing in a cell-list at least one cell-value indicating a transmission duration of at least one of the packets in units of cell-size, where the cell-size represents a fixed, predetermined time required to transmit at least a minimum length packet. This facilitates determining non-fragmentation for communication of packets having reduced complexity, lower memory requirements, and shorter processing time than conventional techniques. The complexity is O(1), in contrast to conventional non-fragmentation techniques that have complexities O(N). Corresponding to the reduced complexity, the processing time is shorter than for conventional techniques. Depending on the application, the current embodiment has lower memory requirements than conventional non-fragmentation techniques. | 02-23-2012 |
| 20110182579 | METHODS FOR DYNAMIC BANDWIDTH ALLOCATION AND QUEUE MANAGEMENT IN ETHERNET PASSIVE OPTICAL NETWORKS - In a passive optical network, dynamic bandwidth allocation and queue management methods and algorithms, desgiend to avoid fragmentation loss, guarantee that a length of a grant issued by an OLT will match precisely the count for bytes to be transmitted to an ONU. The methods include determining an ONU uplink transmission egress based on a three-stage test, and various embodiments of methods for ONU report | 07-28-2011 |
| 20100272440 | Methods And Systems For Bandwidths Doubling In An Ethernet Passive Optical Network - Systems and methods for bandwidth doubling in an Ethernet passive optical network (EPON) enable an optical line terminal (OLT) to transmit downlink to at least one double rate optical network unit (ONU). The double rate transmission is preferably facilitated by use of single rate devices (OLT and ONU) functionally connected to provide the double rate capability. The methods include packet-by-packet multiplexing, bit-by-bit line code interleaving, doubling an inter-packet gap (IPG) length, defining windows of transmission for different transmission rates, using the 8B/10B code, removing the 8B/10B code from just the downlink transmission and symbol-by-symbol multiplexing is downlink transmissions from the double rate OLT. | 10-28-2010 |
| 20100208745 | OPERATIONS METHOD IN AN ETHERNET PASSIVE OPTICAL NETWORK THAT INCLUDES A NETWORK UNIT WITH MULTIPLE ENTITIES - A method for registration of multiple entities belonging to a specific optical networks unit (ONU). In one embodiment, the multiple entity registration method comprises checking by an optical line terminal (OLT) if a registration request message ( | 08-19-2010 |
| 20090232159 | Dynamic Bandwidth Allocation Processor - A dynamic bandwidth allocation (DBA) processor comprises a DBA co-processor having DBA co-processor components and operative to perform and accelerate DBA functions, and a processing core logically coupled to the DBA co-processor through a processing bus and operative to configure and dynamically control all the DBA co-processor components and to run sections of algorithms that cannot be accelerated on the DBA co-processor. The DBA processor significantly accelerated the bandwidth allocation in a communications network such as an optical communications network or a fast wireless network. The DBA co-processor and the processing core may be integrated on a chip. | 09-17-2009 |
| 20090213874 | Dynamic Bandwidth Allocation Based On Partial Cycles - A method for dynamic bandwidth allocation (DBA) in a passive optical network (PON) comprises the steps of: in a configuration stage, dividing a predetermined grant cycle into N parts, dividing by an optical line terminal (OLT) a plurality of optical network units (ONUs) into N ONU groups and in each cycle part, concurrently allocating grants to ONUs of one ONU group while having the ONUs of at least one other ONU group send reports and data to the OLT. In a preferred embodiment, the cycle is divided into two fixed half cycles. | 08-27-2009 |
| 20080212560 | ENCODING FOR EFFICIENT USE OF AN UPSTREAM CHANNEL IN BURST MODE - Alignment-enabled secondary nodes of a DAMA network monitor the alignment of for-transmission data as it is received, and actively align the data frames into encoded blocks such that the number of blocks occupied by encoded data resulting from an unencoded datastream of a particular length is predictable rather than variable. In some embodiments, the network is an Ethernet passive optical network and the alignment includes aligning a XGMII word having a start control code to a first position in a 72 bit word input to a | 09-04-2008 |
