Patent application number | Description | Published |
20090196195 | Network Controlled Throughput for Enhanced Uplink FACH - Systems and methods according to these exemplary embodiments provide for network control of interference associated with uplink transmissions by user equipments, UEs, operating in a random access state, e.g., the CELL_FACH state. A radio network controller, RNC, can determine, and then transmit, a limitation on uplink transmissions for such UEs, e.g., a maximum transport block size, TBS. | 08-06-2009 |
20100022284 | Power Level of Transmitted Control Channel Symbol - Channel estimation accuracy is improved by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a corresponding physical data channel allocated to the same receiver. The physical control channel may be a DPCCH, E-DPCCH or other type of physical control channel allocated to a receiver for facilitating uplink or downlink communication. Regardless, the control channel power level is optimized for channel estimation as a function of data transmission rate and/or transport format. In one embodiment, control channel symbols are transmitted for use in channel estimation by adjusting the power level of a physical control channel allocated to a receiver based on the transmission rate and/or transport format of a physical data channel allocated to the receiver ( | 01-28-2010 |
20100074120 | Multiple Carrier Acknowledgment Signaling - Acknowledgment signaling in a multiple carrier environment is enabled with a multiple carrier codebook having code words that jointly encode acknowledgment for at least two carriers. For an example embodiment, there is a method in a remote terminal for acknowledgment uplink signaling in a multiple-carrier mode. First, a code word is determined that jointly encodes acknowledgment signaling for at least two carriers from a multiple carrier codebook that is stored in the remote terminal. The multiple carrier codebook includes eight code words that are defined to have a single carrier codebook as a sub-codebook of the multiple carrier codebook, each code word of the eight code words having a length of ten. The multiple carrier codebook achieves a minimum Hamming distance of four among the eight code words. Second, an uplink signaling message that includes the determined code word is transmitted from the remote terminal to a wireless network node. | 03-25-2010 |
20100080160 | METHOD AND ARRANGEMENT IN A TELECOMMUNICATION SYSTEM - The present invention provides, inter alia, a method of operation of a radio base station in a wireless telecommunications system, in which system information is transmitted on a broadcast control channel. The method comprises the steps of transmitting the broadcast control channel continuously on a first carrier; and also transmitting the broadcast control channel non-continuously and periodically at regular intervals. This prevents or at least minimizes, for example, MBMS data loss when a UE with a single receiver listens to a dedicated MBMS carrier. | 04-01-2010 |
20100118784 | Recommending a Transmission Mode for a MIMO-Supporting UE - The present invention relates to methods, a network controller unit ( | 05-13-2010 |
20100215005 | FAST ACCESS TO A DEDICATED UPLINK (E-DCH) RESOURCE BY USING A PREVIOUSLY USED CONFIGURATION - A user equipment (UE), a base station and methods for enabling providing fast access to a dedicated uplink (UL) resource between the base station UE for data transmissions, by using a UE identifier. The UE may receive configuration parameters of a set of common UL resources from the base station, transmit a random access request for a common UL resources of said set of common UL resources to said base station, obtain allocation of said common resource of said set from said base station, and transmit a UE identifier to said base station on said common resource wherein the UE identifier indicates a previously used set of configuration parameters for a dedicated resource. | 08-26-2010 |
20100246701 | Fast Random Access for an Enhanced Uplink Dedicated Channel - The present invention relates to fast random access methods and arrangements for the enhanced uplink dedicated channel of E-UTRAN (Evolved Universal terrestrial radio access network). A user equipment (UE) being in a low activity state sends a random access request comprising a preamble on a physical random access channel (PRACH) to a NodeB. The NodeB receives the request and sends in response to the received random access request a response comprising information associated with detection of the preamble on an acquisition indicator channel (AICH). The response comprises further in an extension of the AICH an indication of an action to be taken by the UE. In an embodiment of the present invention the action is to access the E-DCH and the response comprises configuration parameters to the E-DCH. | 09-30-2010 |
20100298019 | METHOD AND ARRANGEMENT FOR THE ALLOCATION OF E-DCH COMMON RESOURCES IN A TELECOMMUNICATION SYSTEM - In a method and a radio base station, the radio base station when receiving a preamble to access one of the E-DCH common resources is adapted to send a NACK even if the default resource for that particular preamble is free. As a result, the UE will monitor the E-AICH and another ‘non-default’ configuration will be assigned. As a consequence, the default configurations will be the last resources to be assigned. | 11-25-2010 |
20100298021 | Method and Apparatus for Uplink Power Control During Soft Handover - The present invention provides a solution for maintaining a reliable power control in a telecommunications network during soft handover between a serving and non serving base station when a dedicated physical control channel power is boosted due to an increased data rate. | 11-25-2010 |
20100303042 | Methods and Arrangements in a Wireless Communication System - The present invention relates to methods and arrangements that enable uplink timing adjustment in a UTRAN while minimizing the signalling overhead. This is achieved by a solution where the information about the estimated reception time is used by the NB to determine whether the UEs need to be time adjusted on the UL in order to avoid TTI overlapping and thus interference. The estimated reception time of a UE UL signal is compared with an ideal reception time (the reference time) which can be defined based on the overall knowledge of the estimated reception times. If the difference between the estimated and the ideal reception time is larger than a pre-defined threshold value, meaning that the overlapping with some other UEs TTI will be big, a timing adjustment is initiated. | 12-02-2010 |
20100322333 | HS-SCCH Orders for CQI Mode Selection - A network node ( | 12-23-2010 |
20110002289 | Methods and Arrangements in a Wireless Communications System - The present invention relates to methods and arrangements that make it possible to control the delay for the UEs to access the EUL resources in the Enhanced Uplink in CELL_FACH state procedure, independently from the delay for the UEs to access 5 ordinary UL resources in the RACH procedure. This is achieved by a solution where the timing of entering (or re-entering) a transmission procedure for Enhanced Uplink in CELL-FACH state is controlled with the help of a transmission control parameter defined specifically for this transmission procedure, instead of using the same parameter as for the RACH procedure. | 01-06-2011 |
20110004797 | METHODS AND ARRANGEMENTS IN A WIRELESS COMMUNICATIONS SYSTEM - The present invention relates to methods and arrangements that enable continuous adaptive control of the number of autonomous HARQ retransmissions. This is achieved by a solution, where the UE and the radio base station are using a number of autonomous HARQ retransmissions that can be adjusted based on observations in the UE and/or the radio base station. What is observed is the amount of HARQ retransmissions needed for the radio base station to correctly decode the latest received data packet(s). | 01-06-2011 |
20110014907 | METHODS AND ARRANGMENTS IN A WIRELESS COMMUNICATIONS SYSTEM - The present invention relates to methods and arrangements for uplink retransmissions from a user equipment to a radio base station in a UTRAN with enhanced uplink. The UE transmits a subframe comprising physical control channel(s) and physical data channel(s) in an initial transmission. According to the present invention, one or more of the physical control channels are transmitted with a lower transmission power level in all or some of the retransmitted subframes in the uplink. This results in reduced control overhead (a smaller part of the transmission power resource is used for control signaling) and thus reduced interference from the overhead. At the same time, the transmission power resource no longer used for the physical control channel information, can be used to increase the transmission power level of the physical data channel information in these retransmitted subframes, which improves the uplink coverage. | 01-20-2011 |
20110038352 | TTI BUNDLING INDICATION TO NON-SERVING BASE STATION - The technology applies to a cellular radio communication system in which a mobile radio terminal transmits information in transmission time intervals (TTIs) that is received by a serving base station and by one or more non-serving base stations. A number N of hybrid automatic repeat request (HARQ) transmissions transmitted together by the mobile terminal is determined. An HARQ transmission includes a first transmission, one or more retransmissions of the first transmission, or both. An indication of the number N of HARQ transmissions is provided either directly or indirectly to the one or more non-serving base stations so that the one or more non-serving base stations can take the number N into account when combining HARQ transmissions received from the mobile terminal. | 02-17-2011 |
20110044222 | METHODS AND ARRANGEMENTS FOR DOWNLINK MULTI-CARRIER POWER CONTROL IN A WIRELESS COMMUNICATIONS SYSTEM - The present invention relates to methods and arrangements in a radio base station and in a user equipment for controlling the downlink transmit power of the F-DPCH in a multi-carrier HSPA system, by using the concept of TPC commands (used in single-carrier systems), adapted to support different kinds of multi-carrier scenarios. The UE defines at least one TPC command for adjustment of the transmit power of the N downlink carriers' ( | 02-24-2011 |
20110065438 | METHOD AND ARRANGEMENT FOR SUPPORTING FAST CARRIER RESELECTION - In order to utilize uplink multi-carrier communication more efficiently and to support fast inter-frequency handovers and other types of carrier reallocations, carrier reallocation decisions are performed by the serving base station. Various non-limiting example embodiments are described for executing the base station carrier reallocation decision. | 03-17-2011 |
20110096727 | Methods and Devices for Multiple Modulated Data Streams Signaling - Embodiments relate to a base station ( | 04-28-2011 |
20110124344 | Network Controlled Throughput for Enhanced Uplink FACH - Systems and methods according to these exemplary embodiments provide for network control of interference associated with uplink transmissions by user equipments, UEs, operating in a random access state, e.g., the CELL_FACH state. A radio network controller, RNC, can determine, and then transmit, a limitation on uplink transmissions for such UEs, e.g., a maximum transport block size, TBS. | 05-26-2011 |
20110128930 | Method for Link Adaptation with a Signal Quality Margin on the Bandwidth - Method and arrangement in a base station for selecting a transmission parameter. The selected transmission parameter is used when sending a signal over a radio channel to a user equipment in a wireless communication network. The radio channel is allocated bandwidth for signalling. The method comprises the step of obtaining an estimation of the signal quality of the radio channel. Also, the allocation to the radio channel. Further yet, the method may comprise the step of calculating a signal quality margin, which signal quality margin is based on the bandwidth size. Still further, the method comprises the step of selecting the transmission parameter based on the estimated signal quality of the radio channel and the calculated signal quality margin. | 06-02-2011 |
20110207495 | Method and Arrangement in a Multi-Carrier Communication Network System - Method and arrangement in a base station for scheduling communication between the base station and a user equipment in a multi-carrier communication network system. The base station and the user equipment are comprised in the multi-carrier communication network system, and adapted to communicate with each other on downlink carriers and uplink carriers in at least a first frequency band and a second frequency band over a radio interface. The method comprises signalling an indication to the user equipment on the downlink carrier in the first frequency band, which the user equipment currently is scheduled on, to switch to a second carrier in order to communicate data and/or control signalling on the second carrier. In addition, a method and arrangement in a user equipment for assisting the base station in scheduling radio resources are described. | 08-25-2011 |
20110249566 | HSUPA CARRIER ACTIVATION NOTIFICATION - A radio access network ( | 10-13-2011 |
20110274055 | PROVIDING A SERVING HS-DSCH CELL CHANGE ACKNOWLEDGEMENT - In an improved and reliable method and arrangement allowing a user equipment to acknowledge the re-pointing over target cell in the HS-DSCH serving cell change procedure, wherein a Media Access Control (MAC) frame include information indicates the acknowledgement. In one embodiment the MAC frame contains only the Scheduling Information (SI) field with a coding not normally used, e.g. TEBS=O and HLID= | 11-10-2011 |
20120002630 | Method and Apparatus for Uplink Multi-Carrier Transmit Diversity | 01-05-2012 |
20120106422 | Uplink Power Control for Dual and Multi Carrier Radio System - In a method and a device a time-varying back-off value is used whereby differences in cell load can be taken into account for a restricted time-period during which the information is believed to be valid. Also, other time-varying variables of interest for the initial DPCCH power setting of the secondary earner can be taken into account when setting the back-off value. | 05-03-2012 |
20120122466 | Method and Arrangement in a Communications Network - A method for enhancing Random Access Channel, RACH, performance is provided. First timing settings to be used by a first set of user equipments for a first Acquisition Indicator Channel, AICH, response timing is explicitly or implicitly signalled ( | 05-17-2012 |
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 |
20120188960 | Method, User Equipment, Computer Program and Computer Program Product for Selecting an Output Stream - It is presented a method for selecting an output stream for bits of a bit set. The method comprises the steps of: obtaining indicators of how much transmission power is allowed to be used; calculating a maximum number of bits that can be provided to each one of the two output streams; determining which one of the two output streams is to be a primary output stream and which one of the two output streams is to be the secondary output stream. The primary output stream is then filled first and any surplus is provided to the secondary output stream. A corresponding user equipment, computer program and computer program product are also presented. | 07-26-2012 |
20120195224 | Methods and Devices for Uplink Diversity Transmission - Methods and devices are provided wherein a user equipment transmits using at least two uplink transmit antennas and receives a set of control signals in the downlink direction from a cellular network. The user equipment estimates a received signal quality for each control signal in said set of control signals and determines, based on said received signal quality, which control signals that have been reliably received. The user equipment derives one or more parameters related to the uplink transmit diversity operation using a subset of control signals from the set of control signals, said subset only including control signals determined as reliably received; and transmits in the uplink direction applying the derived one or more parameters to control the uplink transmit diversity operation. The accuracy of the transmit diversity parameter values derived/set by the UE can be improved. This will enhance the performance of the uplink transmit diversity and will also reduce interference to the neighbor cells. | 08-02-2012 |
20120196637 | Uplink Transmit Diversity - The present invention discloses a method in a wireless access network node for controlling a UE. The UE comprises at least two transmit antennas, and is capable of uplink transmit diversity. There is an antenna weight associated with each transmit antenna. First, the wireless access network node determines that the antenna weights of the user equipment may be controlled. Then, it creates a control signal that comprises control information and transmits it to the user equipment. The control information controls a UE autonomous selection of the antenna weights in the UE. | 08-02-2012 |
20120202555 | Method and Apparatus for Supporting Uplink Transmit Diversity - The present invention relates to a method and a user equipment for use in a wireless communication system that allow for improved uplink transmit diversity performance by using downlink measurements for making informed decisions on whether or not to change precoding vector for uplink transmission. The user equipment measures ( | 08-09-2012 |
20120207110 | Antenna Weighting in Relation to Transmissions from Two Cells - The invention concerns a method and an antenna weight determining device ( | 08-16-2012 |
20120264442 | Network Controlled Throughput for Enhanced Uplink FACH - Systems and methods according to these exemplary embodiments provide for network control of interference associated with uplink transmissions by user equipments, UEs, operating in a random access state, e.g., the CELL_FACH state. A radio network controller, RNC, can determine, and then transmit, a limitation on uplink transmissions for such UEs, e.g., a maximum transport block size, TBS. | 10-18-2012 |
20120269148 | Methods and Devices for Switching Anchor Carrier - Methods and devices are provided whereby the primary uplink (and downlink carrier) can be dynamically changed. Embodiments are described wherein it is determine which carrier that is to be used as a new primary carrier instead of an old carrier currently being used as a primary carrier based on a criteria/trigger event. The new carrier can be signaled between the radio base station and the user equipment when switching to the new primary carrier. | 10-25-2012 |
20120275495 | Controlling Uplink Multi-Antenna Transmissions in a Telecommunication System - The disclosure relates to controlling uplink transmissions according to closed loop techniques such as closed loop uplink transmit diversity and uplink multiple-input multiple-output (MIMO). An exemplary method for use in a user equipment ( | 11-01-2012 |
20120287853 | Method of and Node B and User Equipment For Power Control in Case of Segmentation | 11-15-2012 |
20120314664 | Radio Network Node User Equipment and Methods Therein - Embodiments herein relate to a method in a user equipment ( | 12-13-2012 |
20130064180 | HARQ-ACK FEEDBACK DETECTION FOR AN I/Q-MULTIPLEXED CONTROL CHANNEL - In a network that provides high-speed packet access, a mobile terminal is served by multiple activated serving cells which are grouped into cell groups. The mobile terminal monitors control channel transmissions to detect whether there are any transmissions for the mobile terminal from the activated serving cells for each cell group and provides feedback to a primary serving cell. When no transmission is detected from serving cells of a particular cell group, the mobile terminal may transmit feedback information explicitly indicating that no transmission is detected for that cell group. Alternatively, the mobile terminal may withhold transmitting feedback for that cell group and increases the power for transmitting the feedback information for cell groups in which transmissions were detected. | 03-14-2013 |
20130070609 | Ensuring Reception Quality for Non-Adjacent Multi-Carrier Operation - User equipment ( | 03-21-2013 |
20130142174 | DEVICE AND METHOD FOR WCDMA UPLINK TRANSMISSIONS - A NodeB for a WCDMA system, arranged to transmit instructions to a UE for the UE's uplink transmissions. The NodeB is arranged to transmit the instructions on a dedicated downlink physical channel which the NodeB is arranged to use for transmissions to a plurality of UEs and which comprises a plurality of radio frames, where each radio frame comprises a number of slots and each slot comprises a number of WCDMA symbols. The instructions to the UE comprise Transmit Power Commands as well as other instructions to the UE for the UE's uplink transmissions. The NodeB is arranged to use a first WCDMA slot format for the TPC commands to the UE and a second WCDMA slot format for the other instructions to the UE. | 06-06-2013 |
20130208704 | DEVICE AND METHOD FOR IMPROVED CLOSED LOOP DIVERSITY | 08-15-2013 |
20130215872 | DEVICE AND METHOD FOR HSPA WCDMA UPLINK PILOTS - A UE, for an HSPA WCDMA system, equipped with a first and a second transmit antenna, and arranged to use one or more sets of pre-coding weights for transmission. The UE is arranged to receive instructions from a NodeB on the set or sets of pre-coding weights to be used, and to transmit a first and a second pilot signal, and to use a first set of pre-coding weights for the first pilot signal and a second set of pre-coding weights for the second pilot signal, where the first set of pre-coding weights is the same as the UE uses for transmitting a first data stream, and to use different spreading codes for the first data stream and for the first pilot signal. | 08-22-2013 |
20130242786 | Network Controlled Throughput for Enhanced Uplink FACH - Systems and methods according to these exemplary embodiments provide for network control of interference associated with uplink transmissions by user equipments, UEs, operating in a random access state, e.g., the CELL_FACH state. A radio network controller, RNC, can determine, and then transmit, a limitation on uplink transmissions for such UEs, e.g., a maximum transport block size, TBS. | 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 |
20130272222 | Scheduling Based on UE Probing - Control of downlink transmissions associated with a first cell ( | 10-17-2013 |
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 |
20130329656 | COMMON ORDERS FOR A SHARED CONTROL CHANNEL - A radio base station communicates with UEs on a shared control channel in a cell coverage area. A common control channel order, for transmission over the shared control channel for a group of multiple UEs in the cell, is associated with a common control channel order identifier and transmitted in the cell over the shared control channel. A UE in a shared cell coverage area receives and processes the common control channel order signal transmitted to the group of multiple UEs to detect the common control channel signal identifier. If the UE determines that common control channel signal identifier matches a common control channel signal identifier previously configured for or stored in each of the UEs in the group, then the UE processes the common control channel order and performs one or more actions in response to the processed common control channel order. | 12-12-2013 |
20140036833 | METHODS AND ARRANGEMENTS IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to methods and arrangements in a wireless communication system, and in particular to uplink outer loop power control. A Node B identifies if a UE from which the Node B receives data is in a predetermined set of power challenged situations. The Node B transmits to the RNC an indication to hold the SIR target of the UE if the UE has been identified to be in a power challenged situation. As a consequence, the uplink outer loop power control (OLPC) procedure in the RNC will not change the SIR target of the UE. This implies that the output power level of the UE remains unchanged as long as the UE remains in the power challenged situation. Thus, user and network performance are improved in the wireless communication system. | 02-06-2014 |
20140050278 | Methods and Devices for Uplink Multi-Antenna Transmissions in a Telecommunication System - The disclosure relates to controlling uplink transmissions according to closed loop multi-antenna techniques such as closed loop uplink transmit diversity and uplink multiple-input multiple-output (MIMO). An exemplary method for use in a user equipment ( | 02-20-2014 |
20140056236 | Methods and Devices for Uplink MIMO Operation - In a radio system configured for uplink Multiple Input Multiple Output, MIMO, operation, methods and devices are provided that transmits an indicator signal indicating whether the UE has scheduled data for transmission on a secondary stream. The indicator signal is transmitted on an E-DCH Dedicated Physical Control Channel, E-DPCCH, associated with a primary stream. | 02-27-2014 |
20140153483 | L1 CONTROL SIGNALING FOR UTRAN HSDPA - A Level-1 (L1) signaling flag is mapped to unused (invalid) bit sequences in Part 1 of the HS-SCCH—that is Part 1 bit encodings that are not defined in the UTRAN specifications—and a corresponding L1 command is encoded in Part 2. This allows UE ( | 06-05-2014 |
20140153499 | SIGNALING DATA CHANNEL'S CONFIGURATION INFORMATION TO FACILITATE INTERFERENCE CANCELLATION - In MU-MIMO scenarios, a target terminal can be exposed to data streams intended for other terminals. If the target terminal is capable of interference cancellation, then a network node, such as a base station or RNC, can provide the target terminal with interference information so that the target terminal can efficiently cancel interferences due to these interfering data streams. The interference information may include one or more interfering configuration, each of which characterizes a related interfering data stream. The interference information can also include the identity of the other terminal that is the intended recipient of the interfering stream. The network node may determine whether the target terminal can benefit from the interference information. If so, the network node can provide the interference information to the target terminal. | 06-05-2014 |
20140198742 | PRACH Signals with Different Bandwidths - The present disclosure concerns radio communication. More particularly, the present disclosure concerns random access procedures used in communication between user equipments (UEs) and radio network nodes, such as evolved NodeB's. According to one exemplary embodiment disclosed herein, a method in a UE | 07-17-2014 |
20140198772 | SYNCHRONIZATION SIGNAL DESIGN FOR WIRELESS DEVICES IN A LONG RANGE EXTENSION MODE - Systems and methods related to a synchronization signal particularly well suited for wireless devices in an extended coverage area of a cell of a cellular communications network are disclosed. In one embodiment, a base station transmits a synchronization signal including multiple repetitions of a basic synchronization block during a coherence time of a downlink channel over which the synchronization signal is transmitted. The multiple repetitions of the basic synchronization block during the coherence time enable coherent combining during detection of the synchronization signal at wireless devices located in the cellular communications network. This coherent combining enables, for example, wireless devices located in an extended coverage area of a cell served by the base station to synchronize to the cell using a shorter synchronization signal than that which would be required if only non-coherent combining were used. | 07-17-2014 |
20140269589 | METHODS AND ARRANGEMENTS FOR DOWNLINK MULTI-CARRIER POWER CONTROL IN A WIRELESS COMMUNICATIONS SYSTEM - A method, User Equipment (UE), and radio base station or NodeB for controlling the downlink transmit power of a Fractional Downlink Physical Control Channel (F-DPCH) in a multi-carrier High-Speed Packet Access (HSPA) system. Single-carrier Transmit Power Control (TPC) commands are modified to support different kinds of multi-carrier scenarios. The UE defines at least one TPC command for adjustment of the transmit power of the F-DPCH of N downlink carriers, the number of TPC commands being equal to or less than N, and transmits the TPC command(s) on at least one of M uplink carriers. The NodeB receives the TPC command(s) and adjusts the transmit power of the F-DPCH of the N downlink carriers based on the received TPC command(s). | 09-18-2014 |
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 |
20140307621 | SIGNALING OF SYSTEM INFORMATION TO MTC-DEVICES - Network node and UE, and methods therein for signaling system information, SI, to UEs. The method in the network node comprises transmitting SI to one or more UEs, where the SI comprises multiple alternative sets, where each set assigns different values to one or multiple radio system parameters. The method further comprises determining which set, out of the multiple alternative sets, that should currently be applied for a UE, and transmitting an SI selection signal to the UE, the SI selection signal indicating the determined set, thus enabling the UE to apply currently appropriate radio system parameters also in unfavorable radio conditions. The UE may be an MTC device (Machine Type Communication). | 10-16-2014 |
20140329533 | HSUPA CARRIER ACTIVATION NOTIFICATION - A radio access network ( | 11-06-2014 |
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 |
20150055730 | Uplink Transmit Diversity - The present disclosure discloses a method in a wireless access network node for controlling a UE. The UE comprises at least two transmit antennas, and is capable of uplink transmit diversity. There is an antenna weight associated with each transmit antenna. First, the wireless access network node determines that the antenna weights of the user equipment may be controlled. Then, it creates a control signal that comprises control information and transmits it to the user equipment. The control information controls a UE autonomous selection of the antenna weights in the UE. | 02-26-2015 |
20150071188 | NETWORK NODE, A WIRELESS TERMINAL AND METHODS THEREIN - A method in a network node for assisting a first wireless terminal in cancelling an interfering signal from a received signal in a wireless communication network. The first wireless terminal is located in a first coverage area of a first base station. The interfering signal originates from a second base station and is intended for a second wireless terminal located in a second coverage area of the second base station in the wireless communication network. The network node provides ( | 03-12-2015 |