| Patent Number |
Title Of Patent |
Date Issued |
| 7190897 |
Optical channel operating parameters monitoring |
March 13, 2007 |
| In a communication system, channel operating parameter carrier frequencies are located in the vicinity of data nulls in a data spectrum. The operating parameter carriers are summed with the data signal. At the receiver, the operating parameter carrier frequencies are recovered by dem |
| 7190732 |
Multilevel coding with unequal error protection and time diversity for bandwidth efficient trans |
March 13, 2007 |
| Techniques for multilevel coding of a stream of information bits in a communication system. The stream of information bits is separated into portions, and each of the portions is associated with a different level of the multilevel coding. At least one code is applied to the portion of |
| 7190721 |
Error convergence measurement circuit for providing convergence of a filter |
March 13, 2007 |
| An error convergence measurement circuit for providing convergence of a filter includes a terminating component configured to terminate filter convergence independent of an operating environment of the filter. Selectable termination threshold levels are provided. |
| 7190695 |
Flexible application of mapping algorithms within a packet distributor |
March 13, 2007 |
| Distributing packets from an input link to multiple output links involves categorizing each incoming packet, selecting a mapping algorithm based on the packet category, and using the selected mapping algorithm for each packet to determine an output link for the respective packet. If pack |
| 7190688 |
Method and apparatus for adaptive setting of initial traffic power |
March 13, 2007 |
| A method and apparatus that permits base stations to adaptively set initial power levels in forward link traffic channels (i.e., base station to mobile unit) based on an interference measure, where the interference measure is the difference between the base station transmitted pilot |
| 7190685 |
Control information transmission in a wireless communication system |
March 13, 2007 |
| Disclosed is a method and apparatus of data transmission having increased reliability in control information transmission without increased overhead and frame transmission delays. This method and apparatus of data transmission involves transmitting a data packet over a plurality of time |
| 7190684 |
Method and system for UMTS packet transmission scheduling on shared downlink channels |
March 13, 2007 |
| The invention relates to packet transmission scheduling and specifically to UMTS packet transmission scheduling.It is an object of the invention to provide an improved method for packet transmission scheduling, especially on downlink shared channels and an improved packet transmissio |
| 7190047 |
Transistors and methods for making the same |
March 13, 2007 |
| Apparatus comprising: a first compound semiconductor composition layer doped to have a first charge carrier polarity; a second compound semiconductor composition layer doped to have a second charge carrier polarity and located on the first layer; a third compound semiconductor compos |
| 7189987 |
Electrical detection of selected species |
March 13, 2007 |
| The present invention provides an organic field effect transistor and a method of fabricating the transistor. The transistor includes a semiconductive film comprising organic molecules. Probe molecules capable of binding to target molecules are coupled to an outer surface of the semi |
| 7189663 |
Organic semiconductor device having an active dielectric layer comprising silsesquioxanes |
March 13, 2007 |
| An organic field effect transistor (FET) is described with an active dielectric layer comprising a low-temperature cured dielectric film of a liquid-deposited silsesquioxane precursor. The dielectric film comprises a silsesquioxane having a dielectric constant of greater than 2. The |
| 7187715 |
Systems and methods for providing adaptive pulse position modulated code division multiple acces |
March 6, 2007 |
| An adaptive pulse position modulated CDMA scheme for use in UWB communications systems is disclosed. A stream of input bits is encoded with spreading code sequence. The spreading code sequence consists of a number of code elements that may have one of two values. Each bit is encoded |
| 7187447 |
Fabry-perot stepped etalon with improved transmittance characteristics |
March 6, 2007 |
| A stepped etalon having a top surface and two bottom surfaces that are parallel to the top surface and are each positioned at different distances from the top surface. Each bottom surface has an edge, wherein the edges face one another and a sloping step is positioned between the two |
| 7184765 |
Enhanced roaming notification of call handoffs |
February 27, 2007 |
| A mobile wireless terminal is configured to provide an audible alert to the user in the event of its receipt, while the terminal is on a call, of an indication of an imminent or directed handoff to a carrier or network which would charge the user for roaming. The call is automatically |
| 7184746 |
Method and apparatus for providing network support for a wireless emergency call |
February 27, 2007 |
| A system is provided to allow a network to obtain the location of a mobile station (e.g. mobile phone) having AGPS/AFLT CDMA capability during an emergency call--without the use of the MPCAP parameter. The MPC invokes the PDE, which is IS-801 AGPS capable, without the MPCAP parameter. Th |
| 7184497 |
Method of estimating a signal-to-interference+noise ratio (SINR) |
February 27, 2007 |
| In the method of estimating a signal-to-interference+noise ratio (SINR), an initial SINR estimate is generated based on a mean of a plurality of samples and a sample variance estimate of the plurality of samples. Then, the initial SINR estimate is scaled and translated. Furthermore, SINR |
| 7184488 |
Quasi-orthogonal space-time codes |
February 27, 2007 |
| A method and apparatus for reducing the bit rate of multi-input systems that employ space-time coding by displacing in signal space the derivatives of a symbol. A mapped particular symbol is space-time coded to generate transmit-sequences having a phase-shifted version of the particu |
| 7184477 |
Decision feedback structure with selective sampling phase control |
February 27, 2007 |
| A decision feedback structure for recovering a bit stream out of received signals is disclosed, wherein the sampling instant may be tuned in dependence of the sequence or pattern of the preceding bits so as to follow the bit sequence dependent instant of the maximum eye opening. The |
| 7184475 |
Adjustment for equalization parameters in receivers |
February 27, 2007 |
| A method of adjusting equalization parameters in a receiver wherein a bit error rate (BER) in a data stream is measured from the number of corrected bits in data blocks which have an information section and an error correction section. A predetermined equalization parameter is change |
| 7183863 |
Self-initializing frequency detector |
February 27, 2007 |
| A phase-locked loop (PLL) locks onto an input signal to provide an output signal that is proportional in frequency to the input signal. The PLL also detects whether an input signal's frequency falls outside a predetermined range and, whenever the input signal's frequency falls outsid |
| 7183819 |
Method and circuit configuration for synchronous resetting of a multiple clock domain circuit |
February 27, 2007 |
| A method and circuit configuration for synchronous resetting of an multiple clock domain circuit such as an Application Specific Integrated Circuit (ASIC) combine an asynchronous reset signal with a functional signal using a clocked reset tree of synchronous logic elements. |
| 7181668 |
Method and system of decoding an encoded data block |
February 20, 2007 |
| A method and system of decoding data including a padding unit, interleaver unit and decoder. A block of data symbols where each data symbol represents an encoded data bit, is received by the padding unit. The padding unit determines if the block data symbols has a number of data symb |
| 7181567 |
Hitless restart of access control module |
February 20, 2007 |
| Performing selective update of a content addressable memory (CAM) following restart of an access control module (ACM) at a network node involves maintaining a restart CAM entry database in shared memory. When the ACM restarts, instead of reentering all CAM entries into the CAM or rea |
| 7181248 |
Design and construction of wireless systems |
February 20, 2007 |
| In the design and/or construction of a wireless communication system, a parameter optimization determination is performed. Such determination is accomplished by first clustering parameters with strong interdependence. In a second operations a subset of the clustered parameters are remove |
| 7181235 |
Hybrid method for adjusting downlink transmitted power |
February 20, 2007 |
| An algorithm calculates a correction value to be applied to a slot in an adjustment period for power correction. The adjustment period is divided into segments having a plurality of slots, and a target power value is determined for each segment. For each slot, the algorithm determines |
| 7181219 |
Wireless handover using anchor termination |
February 20, 2007 |
| A method and system for implementing hard handover in wireless telecommunications network. The method includes connecting a call from user equipment in a first radio coverage area to a first media gateway in a mobile switching center via a first connection point in said first media g |
| 7181196 |
Performing authentication in a communications system |
February 20, 2007 |
| A method and apparatus for performing authentication in a communications system is provided. The method includes receiving a request for authentication from a server, the request for authentication including a first and a second random challenge, and comparing the first random challe |
| 7181184 |
Band edge amplitude reduction system and method |
February 20, 2007 |
| A band edge amplitude reduction system changes the filtering characteristics of a receiver based on the amplitude of signal(s) adjacent to an edge of the operating band of the receiver and/or of signals not under the power control of the receiver. For example, the receiver measures t |
| 7181111 |
Apparatus for splicing optical fibers |
February 20, 2007 |
| An apparatus for aligning the cores of the two optical waveguides. The apparatus includes a control loop for receiving an aligning signal launched through the core of one of the optical waveguides. The control loop may effectuate the aligning signal to propagate through the cores of |
| 7181104 |
Optical monitor and a method for improved optical monitoring |
February 20, 2007 |
| The inventor proposes herein a novel optical monitor requiring only a single fiber-coupled photodetector. In one embodiment of the present invention, the optical monitor further includes an optical coupler for tapping a portion of an optical signal, a tunable filter for filtering the |
| 7181005 |
Telephone interface circuit |
February 20, 2007 |
| An interface circuit that interconnects a terminal device at an extension station with the adjunct port circuit of a telephone of a business communications system (BCS), such as a digital PBX. The interface circuit enables a call diverted to a BCS telephone to be answered at the exte |
| 7180949 |
High-speed chip-to-chip communication interface |
February 20, 2007 |
| A high-speed parallel interface for communicating data between integrated circuits is disclosed. The interface is implemented by a transmitter and receiver pair and a single-ended parallel interconnect bus coupling to the transmitter and receiver pair. As opposed to transmitting small sw |
| 7180890 |
Phone connector component operationally connectable through packet network to any selected one o |
February 20, 2007 |
| A phone of a system comprises a connector component that is operationally connectable through a packet network to any selected one or more of a plurality of switch components. The any selected one or more of the plurality of switch components serve to provide one or more of originati |
| 7180867 |
Apparatus and method for flow path based fault detection and service restoration in a packet bas |
February 20, 2007 |
| A methodology is provided for fault detection and service restoration in a multiservice switch on a per flow basis. An ingress source transmits the same data over each of two redundant cores. An egress receiver selects on a per flow bass which core to utilize. Bi-directional flows are no |
| 7180864 |
Method and apparatus for exchanging routing information within an autonomous system in a packet- |
February 20, 2007 |
| A method for exchanging routing information between I-BGP routers within an autonomous system (AS) advantageously enables a solution to both persistent route oscillation problems and transient route oscillation problems which may occur when using I-BGP in a given AS. Conventional I-B |
| 7180652 |
Mars optical modulators |
February 20, 2007 |
| The specification describes an improved Moving Anti-Reflection Switch (MARS) device structure that largely eliminates charge build up on the movable membrane, and reduces stresses that cause curling of the membrane. The improved device uses a movable membrane made of single crystal s |
| 7180078 |
Integrated planar ion traps |
February 20, 2007 |
| An apparatus for an ion trap includes an electrically conductive substrate having top and bottom surfaces and having vias that cross from the top surface to the bottom surface. The apparatus includes a pair of planar first electrodes supported over said top surface and second electrodes |
| 7177669 |
Network support for number dialed identification with multi-line mobiles |
February 13, 2007 |
| Embodiments of the system, and method provide for identification of a number being dialed on an incoming call to a multi-line terminal. The method may have the steps of: receiving a call at a network, the call being for a multi-line terminal having at least two different numbers; che |
| 7177317 |
Flexible scheduler in an asynchronous transfer mode (ATM) switch |
February 13, 2007 |
| A flexible scheduler in an ATM switch. The scheduler enables each connection to be served fairly according to associated quality of service parameters, while enabling several other features. A connection can be shaped while minimizing additional memory and processing requirements. Sp |
| 7177305 |
Inter-switch telecommunications system for interconnecting packet-capable Time Division Multiple |
February 13, 2007 |
| The inter-switch interconnect system functions to interface a packet switch with a legacy Time Division Multiplexed switch without requiring any changes to the Time Division Multiplexed switch. The inter-switch interconnect system implements a packet-based call connection system that |
| 7177273 |
Communication system with a shared medium |
February 13, 2007 |
| A shared medium provides a limited amount of bandwidth for communication between nodes. A contention based access protocol is used to access the medium from the nodes. A guaranteed amount of the bandwidth is reserved for quality of service transmission. A controller computes amounts of |
| 7176739 |
Circuit to improve data bus performance |
February 13, 2007 |
| A circuit comprising an active pull-up device coupled to a level shift circuit is coupled to a one-wire bus to allow communication devices coupled to the bus to better detect digital communication signals propagating through the bus. The level shift circuit provides a reference volta |
| 7174285 |
Method and apparatus for assessing quality of service for communication networks |
February 6, 2007 |
| This invention relates to a method and apparatus for assessing quality of service for communication networks. More particularly, the invention is directed to assessing quality of service in circuit and packet switched networks by way of a computer simulation. Preferably, the information |
| 7174180 |
Methods and apparatus for transmission scheduling in wireless networks |
February 6, 2007 |
| Systems and techniques for scheduling of data transmission to remote mobile units so as to provide at least an acceptably low level of delay. A scheduler computes an urgency value for each data stream serving a mobile unit and sets the urgency value equal to the highest urgency value |
| 7174177 |
System and method for providing indication of maximum teleservice payload size in a wireless com |
February 6, 2007 |
| A system and method for providing improved teleservice messaging to a mobile station in a wireless communication network are disclosed. In preferred embodiments, an indication is provided to a network sending entity of the maximum teleservice payload size that can be sent by the netw |
| 7174149 |
Method and system for indirectly establishing a call |
February 6, 2007 |
| A call is indirectly established by triggering a call register to request a mobile switching center, associated with a mobile station, to establish a call between the mobile station and a second party. |
| 7174063 |
Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable m |
February 6, 2007 |
| A colorless, waveguide-grating-router-based tunable dispersion compensator includes a planar lightwave circuit and a deformable mirror, optically coupled to each other by a plano-cylindrical glass lens such that a fast tuning speed and single-knob dispersion adjustment are obtained. In a |
| 7174013 |
Efficient universal hashing method |
February 6, 2007 |
| An efficient hashing technique uses ##EQU00001## operations to hash a string "w" words long rather than the w.sup.2 operations of the prior art. This efficiency is achieved by squaring the sum of the key and the string to be hashed rather than forming a product of the key and the st |
| 7174008 |
Method and system for managing the duration and cost of a telephone call |
February 6, 2007 |
| A method for establishing a call between a calling party and at least one called party via a call switching network. The method includes calculating a call charge per minute rate based upon a number of rate-determining parameters, notifying the calling party of the call charge per mi |
| 7173904 |
System and method for reverse link overload control |
February 6, 2007 |
| A system and method for controlling call admission in a wireless communications network recursively estimates reverse link load levels as a function of changes in base station receive power and/or the number of mobiles served in the cell/sector. In one implementation, a call admissio |
| 7173899 |
Training and synchronization sequences for wireless systems with multiple transmit and receive a |
February 6, 2007 |
| Orthogonal sequences can be developed and used for use training and synchronizing in CDMA and TDMA systems. In particular, once a sequence is developed that has the length of the product of the channel length and the number of transmit antennas, the sequence is offset by a different |
