Patent application number | Description | Published |
20090268696 | Method And Arrangement In A Mobile Telecommunication Network - The present invention is based on the idea to allocate HS-DSCH power at TTI based on the HS-SCCH allocation of TTI and an estimation of the HS-SCCH allocation of TTI+1. The estimation of the HS-SCCH allocation of TTI+1 is based on estimation of which users that will be scheduled at the time denoted TTI+1. i.e., the users that have a high probability to be selected for transmission by the scheduler at the time denoted TTI+1 are determined. That is performed by calculating for each user the probability that the user will be selected for transmission by the scheduler The users that have a high probability to be scheduled at the time TTI+1 are included in a candidate set according to the | 10-29-2009 |
20100067419 | METHOD AND ARRANGEMENT FOR EFFICIENTLY UTILIZING RADIO RESOURCES IN A COMMUNICATION SYSTEM - The invention relates to a method and an arrangement of efficiently utilizing radio resources in a communication network, comprising a communication network node communicating with one or more user equipments over a radio interface, wherein at least two communication services are provided on said radio interface, each having a certain amount of power allocated in an interactively way. The interaction between said at least two communication services is minimized in order to obtain an enhanced power utilization. | 03-18-2010 |
20100069077 | ALLOCATION OF SPREADING CODES FOR TELECOMMUNICATIONS CHANNELS - In a radio access network ( | 03-18-2010 |
20100189080 | METHOD OF SCHEDULING DATA TRANSMISSION IN A RADIO NETWORK - In a method and apparatus for scheduling users in radio network system, the scheduling priority for each user of a group of users is made dependent on the unusable time for each user. Scheduling of the users is performed in accordance with the determined scheduling priority. | 07-29-2010 |
20100309833 | INTERFERENCE ESTIMATION FOR UPLINK TDM IN A WIRELESS SYSTEM - A system can be implemented in a station associated with a wireless network and the station can receive uplink time division multiplexed (TDM) transmissions from a user device. The system includes a first filter to filter uplink TDM transmissions, associated with the user device, during a first period of time when the user device is transmitting on an uplink data channel (DCH) to generate a first interference estimate. The system further includes a second filter to filter uplink TDM transmissions, associated with the user device, during a second period of time when the user device is not transmitting on the uplink DCH to generate a second interference estimate. The system also includes a third filter to filter uplink TDM transmissions, associated with the user device, during the first and second periods of time, to generate a third interference estimate. The system further includes a power control unit to determine one or more power control commands for sending to the user device based on the first, second and third interference estimates. | 12-09-2010 |
20110041026 | UPLINK COVERAGE VIA AUTONOMOUS RETRANSMISSION | 02-17-2011 |
20110096692 | Method and Arrangement for a Communication Network for Performing Handover Decisions - The present invention related to a method and arrangement for performing handover decisions in a communication network, wherein the handover decisions are related to user equipment receiving packet data on a shared downlink traffic channel from a current serving cell. The method comprises the steps of providing ( | 04-28-2011 |
20110141960 | Method For Selecting an Enhanced Transport Format Combination Based on Determined Power Consumption - The present invention related to a method and an arrangement for selecting an enhanced transport format combination used for maximizing power utilization efficiency and power limitation avoidance in a communication network system comprising a communication network entity communicating with a plurality of user equipments on uplink and downlink channels over a radio interface. A power consumption for an acknowledgement/negative acknowledgement transmission and a channel quality indicator transmission is determined on an uplink channel during an enhanced dedicated channel transmission. Thereby, a transport format combination is selected based on said determined power consumption. | 06-16-2011 |
20110171991 | METHOD AND ARRANGEMENT FOR DETERMINING A MINIMUM TRANSMIT POWER GAIN FACTOR FOR AN ENHANCED UPLINK DATA COMMUNICATION - A method and arrangement are provided for determining a minimum value or range for a transmit power gain factor an enhanced uplink data channel, referred to as βed; min, that controls the transmit power level for the enhanced uplink data channel relative to the transmit power for the uplink control channel so as to ensure delivery of a minimum data service requirement over the enhanced uplink data channel. The minimum value or range for the enhanced uplink data channel power gain factor may be determined based on a selected enhanced uplink transmission format and/or a maximum number of allowable transmission attempts over the enhanced uplink data channel for a communications session so that the required Quality of Service (QoS) for the communications session can be fulfilled and an expected uplink coverage gain can be reached. The minimum value or range for the enhanced uplink data channel power gain factor is also compatible with other techniques to increase enhanced uplink coverage such as autonomous retransmission and improved L2 techniques. | 07-14-2011 |
20120182973 | Code Allocation for Uplink MIMO - The disclosure relates to methods and apparatuses that allow for channelisation code allocation adapted for uplink MIMO transmissions. A method for use in a user equipment of a telecommunication system comprises spreading data symbols of a plurality of streams to be transmitted from the user equipment as MIMO transmissions. The step of spreading the data symbols comprises allocating, for each stream, at least one channelisation code ( | 07-19-2012 |
20120190375 | Methods and Devices for Multipoint Transmission - Methods and devices are provided whereby a cellular radio network, in particular a node in the network is configured to dynamically transmit data to UE from different cells while considering information that is not known to a central node, such as an RNC. This can in accordance with some embodiments be accomplished by decoupling the procedure of handling a set of cells form which simultaneous transmission of data to a UE can take place. | 07-26-2012 |
20120287853 | Method of and Node B and User Equipment For Power Control in Case of Segmentation | 11-15-2012 |
20120287876 | Method, Radio Network Controller, Radio Base Station and User Equipment for Selecting Downlink Mode - It is presented a method for selecting downlink mode for a UE. The method is executed in a radio network controller, RNC, and comprises the steps of: estimating geometry for the UE; selecting a mode for the UE based on the estimated geometry, the mode being either a multi cell switching mode or a multi cell aggregation mode; and configuring the selected mode for the UE. By using the geometry of the UE for selecting mode, the most appropriate mode in terms of performance, such as capacity. Corresponding methods for an RBS, a UE, along with corresponding RNC, RBS and UE are also presented. | 11-15-2012 |
20120313165 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor device and its manufacturing method are disclosed. The semiconductor device comprises a gate, and source and drain regions on opposite sides of the gate, wherein a portion of a gate dielectric layer located above the channel region is thinner than a portion of the gate dielectric layer located at the overlap region of the drain and the gate. The thicker first thickness portion may ensure that the device can endure a higher voltage at the drain to gate region, while the thinner second thickness portion may ensure excellent performance of the device. | 12-13-2012 |
20120313171 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A Si-on-half-insulator device and its manufacturing method are disclosed in this invention. In one embodiment, a horizontal insulating layer located below at least one of the source and drain regions is realized to reduce junction capacitance. In another embodiment, a horizontal insulating layer located below at least one of the source and drain regions and a vertical insulating layer located below at least one side surface of the gate are realized. The additional vertical insulating layer can reduce punch leakage. Further, a method of manufacturing the above semiconductor device is also disclosed, wherein the horizontal and vertical insulating layers are formed using an additional layer of epitaxially grown semiconductor material and isolating trenches. | 12-13-2012 |
20130034180 | Method and Device for Decoding of Precoded Signals - The present invention relates to a method and a device for decoding precoded signals in a wireless communication system and network node or terminal associated therewith. The wireless communication system comprises a sender and a receiver that share a codebook containing a plurality of precoding matrices. The sender precodes at least a data signal to be transmitted with one of the plurality of precoding matrices. Said method comprising receiving signals from the sender, estimating a channel between the sender and the receiver based on a part of received signals that is known a priori, evaluating relevancies of precoding matrices in said codebook to a precoded signal in the received signals based on at least the estimated channel and the codebook according to a predetermined criterion, and selecting a precoding matrix with maximum relevancy by comparing the evaluated relevancies, and applying the selected precoding matrix for decoding the received precoded signal. | 02-07-2013 |
20130094477 | Methods and Devices for Configuring User Equipments with Multiple Transmit Antennas - In deployments where there is a mixture of new Node Bs capable of uplink multi-antenna transmission and legacy Node Bs not capable of uplink multi-antenna transmission some embodiments described herein enable a network node (e.g. a radio network controller, RNC) to configure an uplink control channel (e.g. dedicated physical control channel, DPCCH) to be decodable by both the new and the legacy Node 8s when the UE operates in uplink multi-antenna transmission. | 04-18-2013 |
20130115998 | Method and Device For Transmission Power Control - The embodiments herein relate to a method in a base station for adjusting transmission power in a communications network. The base station determines a first number m; P of historical transmit power control, TPC, commands based on a signal power and an interference level. The base station determines a second number 2k; n+Q of current TPC commands based on the first number m; P of historical TPC commands, or based on the first number m; P of historical TPC commands and a third number n−K of signal power and interference level pairs. The base station transmits a sequence of TPC commands comprising the first number of historical TPC commands and the second number of current TPC commands to the user equipment to adjust the user equipment's transmission power. | 05-09-2013 |
20130136090 | Method and Apparatus for Transport Format Selection in Wireless Communication System - The present invention relates to a method, apparatus for selecting transport formats in a wireless transmitting device and wireless communication device associated therewith, wherein the wireless transmitting device supports transmission modes including single-stream transmission mode and multiple-stream transmission mode and comprises a transmit buffer to buffer data before transport format being selected for transmitting said data to a wireless receiving device, comprising: acquiring radio qualities associated with each stream being transmitted to the wireless receiving device; setting the transmission mode according to received radio qualities; detecting whether there is buffer limitation for said transmit buffer when multiple-stream transmission mode is set; and when buffer limitation is detected and multiple-stream transmission mode is selected for stream transmission, allocating the buffered data among the multiple streams based on the received radio qualities associated with respective streams and selecting transport formats for respective streams of the multiple streams based on their respective allocated buffered data quantities. This enables to obviate the TX power imbalance in case of multiple-stream transmissions, balance code and power usage among UEs in a cell, and thus improve code multiplexing efficiency. | 05-30-2013 |
20130201969 | TDM Scheduling Method and Device for Scheduling Uplink Transmissions - The invention discloses a TDM scheduling method for scheduling Start uplink transmission in a cellular radio communication system, comprising: obtaining relevant parameters including an Uplink pilot quality for each TDM User Equipment in a cell and an available TDM load for TDM UEs in the cell; determining a TDM group size as a number of TDM UEs to be scheduled to transmit simultaneously in a Transmission Time Interval, TTI, by using the obtained relevant parameters; and scheduling the TDM UEs according to the determined TDM group size. The TDM UEs refer to the UEs to be scheduled according to the TDM scheduling method of the present invention in the cell. With the solution of the invention, the UL system performance can be improved. The proposed solution is easy to be implemented. | 08-08-2013 |
20130242794 | METHODS AND DEVICES FOR CONFIGURING ANTENNA MODE FOR UPLINK COMMUNICATION - Methods and devices for configuring transmit antenna mode for a user equipment that can transmit in the uplink using at least two transmit antennas are provided. In accordance with embodiment a transmit antenna mode of the user equipment can be configured in response to a measured transmit antenna imbalance. Methods and devices for configuring transmit antenna mode for a user equipment that can transmit in the uplink using at least two transmit antennas are provided. In accordance with embodiment a transmit antenna mode of the user equipment can be configured in response to a measured transmit antenna imbalance. | 09-19-2013 |
20130260814 | Methods and Apparatuses for Transmission Power Control - The disclosure relates to methods and apparatuses that facilitate power and quality control of uplink MIMO transmissions. A method in a NodeB comprises controlling ( | 10-03-2013 |
20130308589 | Methods and Arrangements For Transmit Mode Adaptation - Methods and arrangements in a control node, a base station and a UE, for achieving a UE up link transmit diversity mode adaptation, which is coordinated between a base station and a control node. The methods and arrangements involve the control node indicating a set of allowed up link transmit diversity modes to the base station. Further, an up link transmit diversity mode for the mobile terminal is selected in the base station, from amongst the currently allowed up link transmit diversity modes; where the selection is based on information concerning the mobile terminal which is available in the base station. The base station then indicates the selected up link transmit diversity mode to the mobile terminal, which changes to the up link transmit diversity mode indicated by the base station. The methods and arrangements enable a faster and more flexible UE up link transmit diversity mode adaptation. | 11-21-2013 |
20130336112 | METHOD AND BASE STATION OF ADJUSTING UPLINK LOAD VARIANCE DUE TO UPLINK BEAM DIRECTION CHANGE - The present invention provides a method of adjusting uplink load variance due to a change of a beam direction turning from towards a current beamforming control cell to towards a target beamforming control cell, comprising: estimating an uplink load increment of the target beamforming control cell due to the change of the beam direction, before the beam direction turning from towards the current beamforming control cell to towards the target beamforming control cell; comparing the estimated uplink load increment with an available uplink load headroom of the target beamforming control cell; and adjusting an uplink load grant of a user equipment if the uplink load increment is larger than the available uplink load headroom, so that an uplink load increment is not beyond the available uplink load headroom, so that the uplink load increment is not beyond the available uplink load headroom. | 12-19-2013 |
20140004675 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF | 01-02-2014 |
20140050089 | Intra-Frequency Load Balancing Method and Apparatus Thereof - The present disclosure provides an uplink intra-frequency load balancing method. The uplink intra-frequency load balancing can be performed by adjusting a beam direction of a User Equipment UE. For each of UEs, the method comprises steps of: determining a cell load level of each cell based on an uplink load measurement received from base stations of a plurality of cells; determining a beam-forming capability of the UE based on a beam-forming gain of the UE; and calculating a cell balancing parameter for each of the plurality of cells, according to a common pilot channel CPICH quality report measured by the UE, the cell load levels of the plurality of cells and the beam-forming capability of the UE, so as to determine a beam-forming control cell towards which the beam direction of the UE is directed, the beam-forming control cell being a cell which has an optimal cell balancing parameter among the plurality of cells. The present disclosure further provides, for a UE which supports a CLBF mode but is not in the CLBF mode, a method for selectively activating the CLBF mode so as to enhance the effect of load balancing. The present further provides an uplink intra-frequency load balancing apparatus. | 02-20-2014 |
20140140313 | METHOD, APPARATUS AND SYSTEM FOR UPLINK RANK ADAPTATION - A method, an apparatus and a system for uplink rank adaptation are provided in the present invention, wherein the method comprises: estimating the maximum supportable data rate and channel information of a user equipment in uplink transmission; comparing the maximum supportable data rate with one or more predetermined thresholds, wherein the predetermined thresholds are associated with corresponding ranks; and determining a rank used by the user equipment in the uplink transmission based on a result of the comparison and the estimated channel information. With the present invention, a base station can quickly determine a rank for uplink MIMO transmission, decrease the rank estimating error, and lower the computation complexity for estimating the rank and the subsequent pre-coding vector. | 05-22-2014 |
20140169487 | TRAFFIC AWARE COMMON PILOT CONFIGURATION - The present disclosure relates to a method for common pilot configuration, the method comprising steps of: determining information related to UEs served by a BS; and configuring transmission of at least one common pilot from the BS to the served UEs based on the determined UE related information. In an example 4-branch MIMO system, at most 4 common pilots are configurable to be transmitted, and the at least one common pilot is two common pilots newly introduced into a legacy system. | 06-19-2014 |
20140179332 | Node and Method for Determining Link Adaptation Parameters - The present invention relates to a method for determining link adaptation parameters for a wireless device. The method is performed in a first radio network node of a wireless communication system. The first radio network node hosts a first cell serving the wireless device. The wireless device is interfered by a second cell. The method comprises predicting ( | 06-26-2014 |
20140192727 | METHODS AND ARRANGEMENTS IN A WIRELESS COMMUNICATION SYSTEM - Method and arrangement in a user equipment for adjusting signals transmitted in uplink to a network node based on a feedback value received from the network node. The method includes transmitting a signal, to be received by the network node. A feedback signal is received from the network node, providing feedback on the transmitted signal. A value of a time delay of the received feedback signal is obtained. Signals transmitted in the uplink are adjusted according to the received feedback signal to compensate for the obtained time delay value of the received feedback signal. Related methods and arrangements in a network node are presented. | 07-10-2014 |
20140219113 | Methods and Radio Network Nodes For Measuring Interference - A first radio network node ( | 08-07-2014 |
20140239397 | JLT (JUNCTION-LESS TRANSISTOR) DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating a junction-less transistor device that includes a substrate, a buried dielectric layer having a fin structure on the substrate, a doped region formed through the buried dielectric layer in the substrate, a semiconductor layer overlying the buried dielectric layer and the doped region, a gate structure on the semiconductor layer, and source/drain regions in the semiconductor layer at opposite sides of the gate structure. The semiconductor layer includes first, second, third regions, with the second region interposed between the first and second regions and disposed underneath the gate electrode structure. The first, second, and third regions have a same doping polarity. The second region has a doping concentration less than those of the first and second regions. The second region and the doped region have opposite doping polarities. The second region has a groove in contact with a bottom portion of the gate structure. | 08-28-2014 |
20140247734 | UPLINK COVERAGE VIA AUTONOMOUS RETRANSMISSION | 09-04-2014 |
20140286295 | DOWNLINK TRANSMISSION COORDINATED SCHEDULING - A method of coordinated scheduling of a downlink transmission flow from a first radio network node to a user equipment UE in a second radio network node. The method includes scheduling the downlink transmission flow so that the in-sequence delivery of the received data blocks can be kept in an acceptable level in the UE by adjusting a scheduling priority of the downlink transmission flow in the second radio network node. The method may further include estimating one or more buffer-related parameters based on buffered data for the downlink transmission flow from the first radio network node, and determining, based on the estimated one or more buffer-related parameter and/or one or more parameters associated with the operation status of the second radio network node, if the in-sequence delivery of the received data blocks to higher layers can be in an acceptable level in the UE. | 09-25-2014 |
20140293770 | METHODS FOR PERFORMING AND CONTROLLING RETRANSMISSION AND APPARATUS THEREOF - The present disclosure proposes methods for performing and controlling retransmission in a MIMO system and relevant network elements therefor. A method for performing retransmission includes transmitting one or more data blocks to the base station by using a first set of beams. The number of beams in the first set of beams corresponds to a first channel rank. Each beam of the first set of beams is generated by using at least one of pilot channel, data channel and control channel. The method further includes receiving a signal from the base station indicating erroneously received data blocks, and retransmitting the erroneously received data blocks in response to the signal. | 10-02-2014 |
20140301193 | Uplink Load Control Method and Apparatus Used in a Wireless Communication System - The present invention discloses schemes to perform load control taking uplink BLER statistics into account. An uplink load control method and apparatus are provided in a wireless communication system. The uplink load control method comprises estimating uplink load budget in a cell of the wireless communication system; determining whether the cell is over-loaded based on Block Error Rate (BLER) statistics of non-Guarded Bit Rate (non-GBR) users in the cell and/or Fast Congestion Control (FCC) action statistics in the cell; decreasing the uplink load budget if it is determined that the cell is over-loaded; and increasing the uplink load budget if it is determined that the cell is not over-loaded. Preferably, increasing or decreasing of the uplink load budget is based on the BLER stastics BLER | 10-09-2014 |
20140369243 | Frequency Synchronization Method for Nodes in a Downlink Coordinated Multiple Point Transmission Scenario - Techniques are disclosed for synchronizing frequency among a cluster of coordinated transmission points cooperating in a coherent joint transmission. In some embodiments, one transmission point is set ( | 12-18-2014 |
20150023283 | METHODS AND APPARATUS FOR CELL SELECTION - The present disclosure relates to a cell selection scheme. In one embodiment, there provides a method for performing a cell selection for a UE at a primary serving cell of the UE in a CoMP cluster including the primary serving cell and one or more candidate cells, the method comprising the steps of: receiving PRACH measurements for the UE from the candidate cells; and selecting from the candidate cells one or more cells for the UE as its secondary serving cells based on the received PRACH measurements. | 01-22-2015 |
20150024770 | INTER-CELL INTERFERENCE MITIGATION - The present application discloses a method for mitigating inter-cell interference (ICI) by scheduling user equipments. The method comprises estimating inter-cell interference tolerance of each of at least one neighboring cell during uplink transmission of the user equipment; and coordinating uplink scheduling of the user equipment in accordance with the inter-cell interference tolerance. The present application also discloses a base station, a radio network controller and relevant signaling for mitigating inter-cell interference (ICI) by scheduling user equipments. | 01-22-2015 |
20150043498 | Methods and Apparatuses for Transmission Power Control - Methods and apparatuses that facilitate power and quality control of uplink MIMO transmissions. A method in a NodeB comprises controlling transmission power of multiple pilot signals transmitted by a user equipment by using a single inner power control loop operating on at least one pilot signal of the multiple pilot signals. Some disclosed embodiments also relate to adjustment of a quality target applied by the single inner power control loop and to updating of a power offset for computing the number of bits that the user equipment can transmit on a stream that is associated with a pilot signal that is not power controlled by the single inner power control loop. | 02-12-2015 |