division (Total 31253 Patents Found)

A first developing unit comprising a plurality of developing rolls including a developing roll whose rotation direction is matched with the move direction of a photosensitive body and a developing roll whose rotation direction is made opposite to the move direction of the photosensitive body....
A comb splitting system demultiplexes and/or multiplexes a plurality of optical signal channels at various wavelengths. The comb splitting system has at least two interconnected successive stages of wavelength division multiplexers (WDMs). The first stage comprises a Fourier filter that communicates bands of channels t...
A Multi-Code (MC) Code Division Multiple Access (CDMA) receiver receives N (where N>1) encoded signal channels over multiple air signal paths. The MC-CDMA receiver receives and demodulates the N encoded signal channels into N signal samples and includes a common circuit for time-sharing an accumulator, for accumulat...
A method of transmitting signals from a mobile unit to a base station in the reverse link direction using multi-tone techniques includes the step of dividing a frequency band into a plurality of generally even spaced tones. The tones are partitioned into a predetermined number of tone sets which each contain a predeter...
An optical delay time adjuster and an optical time-division multiplexer. The delay time adjuster includes a support, an optical fiber attached to the support, and a device attached to the support which adjustably changes the length of the optical fiber. In various embodiments the device is an electric heater or cooling...
Disclosed is an optical frequency controlling device for ultra-dense wavelength-division-multiplexed optical channels in which center frequencies of optical channels are aligned. An optical frequency controlling device for ultra-dense wavelength-division-multiplexed optical channels of the present invention comprises a...
Systems and methods for monitoring wavelength in wavelength division multiplexed systems. A thin film filter is used with a pair of photodiodes to monitor the emitted wavelength of a laser. The thin film filter is configured to both reflect and transmit light equally at a particular wavelength of interest. The ratio be...
A system and method are provided for protecting optical signals within a wavelength division multiplexed (WDM) environment. The system and method utilize a single “protection” wavelength translator device to protect up to N wavelengths. The system and method utilize N+1 wavelength translator devices in order to pro...
A method for communication includes allocating, in a multiple-access communication system ( 20 ) that uses multiple subcarriers, first subcarriers to a first communication terminal for transmitting first data, and second subcarriers to a second communication terminal for transmitting second data. The first communicatio...
Embodiments of the invention relate to a time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a universal substrate of adaptation. One embodiment comprises a neurosynaptic device including a memory device that maintains neuron attributes for multiple neurons. The module furthe...
A transmitter and communication system are disclosed. A first component operable to determine an active interference cancellation value for each of a plurality of active interference cancellation tones and a protection-edge value for each of a plurality of protection-edge tones based on optimizing active interference c...
A transmission device for which a work path is established in a first degree and a protection path is established in a second degree includes: a switch equipped with a plurality of optical ports; an optical signal generator, optically connected to a first optical port, and configured to generate an optical signal that ...
The invention relates to a device for scanning the division mark of a mechanical roller-type counter ( 1 ), for any type of counter, comprising a number of rotatably driven ciphering rollers ( 2 ), each ciphering roller carrying a number of digits ( 3 ) or symbols that are distributed homogeneously over the circumferen...
Hybrid Automatic Retransmit ReQuest-Acknowledgment (HARQ-ACK) index mapping and uplink resource allocation is performed and controlled for channel selection transmission. A method for transmitting HARQ-ACK information to an eNode-B (eNB) by a User Equipment (UE) includes identifying KPCell as a number of downlink subfr...
A space division multiplexed (SDM) transmission system that includes at least two segments of transmission media in which a spatial assignment of the two segments is different is provided. For example, the SDM transmission may include a first segment of transmission media having a first spatial assignment and a second ...
A method to support an asymmetric time-division duplex (TDD) configuration at a macro node in a heterogeneous network (HetNet) is disclosed. The method at the macro node comprises transmitting a half blank subframe (HBS) of a downlink subframe during an uplink subframe of a low power node in the HetNet. An effective tr...
A method and system for allocating channel elements in a code division multiple access (CDMA) radio telecommunications network is disclosed. The method begins by a contribution assessor (79) determining a candidate set of base stations having sufficient signal strength with the entering mobile station (93) to establish...
L'invention se rapporte à une fibre optique ayant une valeur de dispersion souhaitée dans le but d'éliminer suffisamment un phénomène non linéaire, c'est à dire un phénomène de mélange à quatre ondes, se produisant pour un écartement entre canaux de 50 GHz, ladite fibre permettant également de ...
本发明涉及光网络的网络构架技术领域,特别是涉及一种准粗波分复用光网络的设计方法,该设计方法中,光通道的频谱栅格具有预设固定带宽,且该预设固定带宽至少为200GHz(比DWDM光网络中的频谱栅格带宽大,以此有效提高了光网络的频谱效...
In one embodiment, a device maintains a predetermined number of high-priority subcarriers for use in communicating high-priority data frames and a predetermined number of low-priority subcarriers for use in communicating low-priority data frames. A data frame is received and a data frame priority is determined for the ...
Control information may be identified and provided to a user equipment (UE) that is formatted into a codeword that is transmitted in a first symbol of a downlink transmission to the UE. The control information may include an allocation of downlink or uplink resources for the UE and data processing parameters. The contr...
A hydrostatic drive system comprising at least one hydropump ( 100 ) and at least two hydromotors ( 104,109 ). The hydropump ( 100 ) divides its total hydraulic fluid flow into at least two partial hydraulic fluid flows which are respectively pumped in the form of a partial pump train ( 101,102 ) in a common cylinder d...
The invention includes several embodiments for slot assignment in code division multiple access communication systems. Some of the embodiments relate to fixed beams and others relate to adaptive arrays. One embodiment for fixed beams assigns slots by first detecting a beam having the best received quality and selected ...
Method of allocating communication codes to channels set up in respect of mobile terminals in communication in a cell of a radiocommunication system, in which the cell is served by a fixed station having means of adjustment of send/receive parameters defining a respective antenna pattern in respect of each mobile termi...
Methods and apparatuses are provided for transmitting data by a user equipment (UE) in a communication system. Resource information is received from a node B. A hopping parameter is determined based on a sequence defined by a cell specific seed. A mirroring parameter is determined based on the sequence defined by the c...
A telecommunication system with time division multiplex in which receive time multiplex transmission systems are connected to respective data stores of a group of cyclic data stores, each of which has a cycle time of one channel interval ad a plurality of store locations the number of which is at least equal to the num...
The present invention is a wavelength division multiplexing (WDM)/code division multiple access (CDMA) hybrid code fiber optic communication device. It provides multiple, concurrent, asynchronous, bursty communication at up to full data rate at each port. The invention includes a novel physical channel scrambling techn...
A wavelength division multiplexing structure for establishing dedicated high bit rate point-to-point connections between network nodes is disclosed. The information transmitted out of any given network node is modulated on a plurality of wavelengths according to destination. These wavelengthds are multiplexed and trans...
A low profile optical wavelength division multiplexer and/or demultiplexer is provided which is carried in a pluggable module and adapted for detachable connection to a host device. The device includes a three strata optical subassembly including a substrate, a molded plastic coupling module and an optical block either...
A method, an apparatus, and a computer program product for wireless communication are provided in which a first synchronization signal to access to a Node B is transmitted; a request signal from the Node B requesting a second synchronization signal is received; and the second synchronization signal is transmitted to th...
Methods and apparatus are disclosed that facilitate discontinuous reception via a primary cell and one or more secondary cells that have different TDD UL/DL subframe configurations including overlapping subframes, such as in an instance in which a UL subframe of a secondary cell overlaps with a corresponding DL subfram...
A method ( 400 ) for use in a wireless communications system ( 100 ) with a first transceiver ( 110 ) and a second transceiver ( 130 ) which communicate with each other, which system is a TDD-system, with communication divided into time frames with time slots. According to the method, the first transceiver transmits ( ...
A novel protocol for an ad-hoc, peer-to-peer radio network that provides collision-free channel access with an emphasis on improving geographic reuse of the frequency spectrum. The protocol of the invention is executed on the reservation or control channel, and provides a method for allocating data transactions on the ...
Base station identification and downlink synchronization are realized by employing pilots including known symbols transmitted at prescribed frequency tones in individual ones of prescribed time intervals. Specifically, the symbols used in the pilots are uniquely located in a time-frequency grid, where the locations are...