摘要:
A method of transmission in a communications network is provided in which data is transmitted using a first radio access technology and a second radio access technology. The method includes providing an anchor carrier associated only with the first radio access technology and another carrier shared between the first radio access technology and the second radio access technology. Transmission via the second radio access technology is muted in the shared carrier during at least one subframe of each data frame transmitted using the second radio access technology. Data is transmitted using the first radio access technology in the shared carrier only during the at least one subframe in which transmission using the second radio access technology is muted.
摘要:
Two power control loops for antenna switching transmit diversity are realized by a user terminal including two antennas (110, 120), one power amplifier (140) for amplifying the signals to be transmitted from each of the antennas, and a switch (130) switching the transmission power of the power amplifier from one antenna to the other antenna. Accordingly, the user terminal is enabled to alternately transmit data packets, with its two antennas. A closed loop power control mechanism in the user terminal is adapted to update, on receipt of a transmission power control command from a base station, the transmission power relative to the level of two slots previously.
摘要:
Viewing device (10) includes a body enclosing first reflective surface or mirror (40), second reflective surface or mirror (42) and a means for securing the body to conventional sighting device or telescope (82) on a firearm. First mirror (40) is adapted to direct incoming light beam (44) onto second mirror (42) so that outgoing light beam (70) is angled relative to incoming light beam (44). In use, viewing device (10) can be releasably attached to rear end (80) of telescope (82) and allows user (90) to remain partially hidden behind obstacle (92) whilst viewing through sighting device (82) and using the firearm. The angular offset of respective light beams (44, 70) is between 35° and 60°.
摘要:
Disclosed are ceramic honeycomb articles, which are composed predominately of a crystalline phase cordierite composition. The ceramic honeycomb articles possess a microstructure characterized by a unique combination of relatively high porosity between 42% and 56%, and relatively narrow pore size distribution wherein less than 15% of the total porosity has a pore diameter less than 10 μm, less than 20% of the total porosity has a pore diameter greater than 30 μm, and dbreadth≦1.50 wherein dbreadth=(d90−d10)/d50. The articles exhibits high thermal durability and high filtration efficiency coupled with low pressure drop across the filter. Such ceramic articles are particularly well suited for filtration applications, such as diesel exhaust filters or DPFs. Also disclosed is a method for manufacturing the ceramic article wherein the pore former is preferably potato starch having a median particle diameter greater than 40 μm.
摘要:
Two power control loops for antenna switching transmit diversity are realized by a user terminal including two antennas (110, 120), one power amplifier (140) for amplifying the signals to be transmitted from each of the antennas, and a switch (130) switching the transmission power of the power amplifier from one antenna to the other antenna. Accordingly, the user terminal is enabled to alternately transmit data packets, with its two antennas. A closed loop power control mechanism in the user terminal is adapted to update, on receipt of a transmission power control command from a base station, the transmission power relative to the level of two slots previously.
摘要:
Device and method to recognize and report the source of interference relate to data transmission between a user terminal and a base station, wherein a pilot signal is transmitted from all antenna assemblies of the user terminal simultaneously, said pilot signals from the user terminal are received by the base station, wherein the base station sends a power control command to the user terminal, corresponding to each of the pilot signals, and wherein the user terminal chooses on receipt of the power control commands, which antenna assembly of the user terminal is used to transmit the next uplink data.
摘要:
The present invention provides a centrifugal fan including a hub adapted for rotation about a central axis and a plurality of blades arranged about the central axis and coupled for rotation with the hub. Each of the blades includes a curvature in a plane that extends through the blade and is tangent to a cylinder which extends through the blade and is centered along the central axis.
摘要:
This invention is characterized by a very compact blower assembly architecture designed to operate at low Reynolds numbers. The assembly includes an impeller with forward-curved blades and a hub that is shaped to minimize the overall package volume of the assembly. The impeller is driven by a low-power, brushed, direct-current motor. A shroud part includes a generally cylindrical inlet that directs the air into the impeller, and a surface that forces the air leaving the impeller to turn from a generally radial and tangential direction to a generally axial and tangential direction. The shroud part directs the air into a single stage of stator blades that reduces the tangential component of the air velocity and produces a static pressure rise.
摘要:
Methods and devices for exchanging data in a communications network. The present invention refers to a method of exchanging data in a communications network, the method including establishing a plurality of connections between a network device and a mobile station; splitting a flow of data from a data source into a plurality of data flows corresponding to a number of said connections; and transmitting each of said plurality of data flows over a different one of said connections. The present invention further refers to a network device and a mobile station involved in the disclosed method.
摘要:
A method, apparatus, and computer program product are provided for prioritizing uplink carriers. A method may include determining a first pilot channel transmission power level for a first uplink carrier. The method may further include determining a second pilot channel transmission power level for a second uplink carrier. The method may additionally include prioritizing the first and second uplink carriers based at least in part upon the first and second pilot channel transmission power levels. Corresponding computer program products and apparatuses are also provided.