Patent application number | Description | Published |
20080291851 | Subchannel allocation apparatus - Subchannel allocation apparatus for allocating subchannels of a MIMO radio channel to a plurality of users, the MIMO radio channel having a first number of subchannels, each subchannel having a transmission capacity. The subchannel allocation apparatus includes a subspace determiner for determining a subspace of the MIMO radio channel, the subspace having a second number of subchannels, the second number being lower than the first number and each subchannel of the second number of subchannels having a higher transmission capacity than the subchannel with the lowest transmission capacity of the first number of subchannels. The subchannel allocation apparatus further includes a subchannel allocator responsive to the subspace determiner for allocating a subchannel from the second number of subchannels of the subspace to a user based on an allocation metric. | 11-27-2008 |
20090323848 | Spatial sub-channel selection and pre-coding apparatus - A spatial sub-channel selection and pre-coding apparatus for being operative in a first communication device, the first communication device being adapted for communicating with a second and a third communication device using MIMO (Multiple-Input-Multiple-Output) radio channels, a first MIMO radio channel extending between the first communication device and the second communication device having at least one spatial sub-channel, a second MIMO radio channel extending between the first communication device and the third communication device having at least one spatial sub-channel, wherein one of the first MIMO radio channel or the second MIMO radio channel has at least two spatial sub-channels. | 12-31-2009 |
20100202503 | Method and Apparatus for Determing a Quantized Channel Vector - A method for determining a quantized channel vector in a terminal of a Multiple Input Multiple Output communication system includes determining a channel quality of a channel between a base station and the terminal and determining the quantized channel vector from a plurality of quantized channel vectors based on the determined channel quality. The determined quantized channel vector provides a predefined channel property value. | 08-12-2010 |
20110258699 | METHOD AND APPARATUS FOR THE PREVENTION OF A SERVICE DEGRADATION ATTACK - In a wireless communication system where the data transmission is optimized with respect to the channel state information fed back by the users, a service degradation attack can be made by feeding back faked channel state information. A method for preventing a service degradation attack on a first wireless communication device by a second wireless communication device in a wireless communication system, said method comprising: verifying by a base station whether the channel state information sent to the base station by the second wireless communication device corresponds to its real channel. | 10-20-2011 |
20120020422 | APPARATUS AND METHOD FOR CALCULATING RECEIVE PARAMETERS FOR AN MIMO SYSTEM - An apparatus for calculating receive parameters for an MIMO system including a plurality of individual transmission sections, a transmission section having a transmit circuit adjustable by a transmit parameter, and a plurality of individual users, a user having a receive circuit being adjustable by a receive parameter, includes a calculator for calculating a receive parameter for a first selected data stream for a first user of the plurality of users using a channel information for a transmission channel between the user and a first individual transmit section, to which the user is associated, and for calculating a receive parameter for a second selected data stream for a second user of the plurality of users associated with a second different individual transmission section using channel information between the first user and the second transmission section the second user is associated with, or using the calculated receive parameter for the first user. | 01-26-2012 |
20120122505 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES TO NODES IN A COMMUNICATION SYSTEM USING AN UPDATE OF ITERATION RESOURCE WEIGHTS - An apparatus for allocating resources to nodes in a communication system comprises an iteration controller ( | 05-17-2012 |
20140051452 | LOAD-AWARE DYNAMIC CELL SELECTION WITH INTERFERENCE COORDINATION BY FRACTIONAL REUSE FOR CELLULAR MULTI-USER NETWORKS - A method for determining for a plurality of users of a wireless cellular network transmitters of the wireless cellular network used for determining candidate rate configurations for serving the users is described, wherein the transmitters of the wireless cellular network operate in accordance with the fractional reuse scheme allocating distinct resource blocks to respective transmitter partitions, each partition including transmitters having assigned the same resource block, and wherein for each user, an active transmitter set is determined by selecting from each transmitter partition a transmitter as an active transmitter in accordance with a predefined criterion. | 02-20-2014 |
Patent application number | Description | Published |
20090021042 | FOLDING CANOPY FOR A MOTOR VEHICLE - The invention relates to a folding canopy for a motor vehicle, having a canopy linkage arrangement which has a main member ( | 01-22-2009 |
20090072590 | SOFT TOP FOR A MOTOR VEHICLE - The invention relates to a soft top for a motor vehicle, which can be locked on a windshield frame by means of a latch ( | 03-19-2009 |
20090079227 | FOLDING TOP FOR A CONVERTIBLE - A folding top for a convertible is proposed, comprising a folding-top cloth ( | 03-26-2009 |
20090160210 | VEHICLE WITH A SOFT TOP AND A REAR FLAP - The invention relates to a vehicle comprising a folding top ( | 06-25-2009 |
20100207645 | SENSOR DEVICE FOR DETECTING AT LEAST ONE OBJECT IN A SWIVEL REGION OF A CONVERTIBLE TOP AND CORRESPONDING INSTALLATION METHOD - The invention relates to a sensor device, in particular for detecting at least one object in a swivel region of a convertible top, comprising at least one sensor which is formed at least partly by a convertible top rod system. According to the invention, the sensor further comprises a conductor path structure connected in an electrically conductive manner to the convertible top rod system so as to form a sensor electrode. The invention further relates to a method for installing such a sensor device. Furthermore, the invention relates to a conductor path structure, in particular a flexible and substantially flat conductor path structure. According to the invention, said structure can be attached to a convertible top rod system, in particular to one or more links of a link system of the convertible top rod system, wherein the conductor path structure can be connected to the convertible top rod system in an electrically conductive manner via one or more contact regions. | 08-19-2010 |