Patent application number | Description | Published |
20120307927 | METHODS OF DETERMINING RANK INFORMATION AND RELATED COMMUNICATIONS DEVICES AND SYSTEMS - A method of operating a wireless terminal communicating with a base station over a wireless channel may include determining whether the wireless terminal is in an edge area or an interior area of coverage of the base station. Responsive to determining that the wireless terminal is in an edge area of coverage of the base station, a transmit diversity communications rank indicator may be selected to select diversity communications over the wireless channel between the wireless terminal and the base station. Related wireless terminals are also discussed. | 12-06-2012 |
20120314588 | METHOD AND APPARATUS FOR CONFIGURING VARIABLE CQI REPORTING PERIOD IN A WIRELESS COMMUNICATION SYSTEM - A system and method for configuring a variable Channel Quality Information (CQI) reporting period based on a User Equipment's (UE) Doppler frequency or speed. Mobile users are divided into three Doppler frequency regions based on their speed—for example, low, medium, and high Doppler users—and are assigned the CQI, reporting periods accordingly by the base station. The users in the low and high Doppler regions (i.e., UEs with low and high speeds) receive a high value for the CQI reporting period, whereas—the users in the medium Doppler region (i.e., UEs with medium speeds) receive a low value for the CQI reporting period. The UE speed-specific CQI reporting period improves the uplink capacity by adaptively controlling a UE's CQI-related uplink transmissions, without compromising on the downlink capacity/throughput. | 12-13-2012 |
20120320804 | Method and Apparatus for ACK/NAK Transmission in a Time Division Duplex Wireless System - A base station of a wireless time division duplex network which communicates with a UE having a network interface unit. The base station having a processing unit which determines to use either ACK/NAK bundling or ACK/NAK multiplexing to communicate with the UE through the network interface unit based on predetermined criteria. A method of a base station of a wireless time division duplex network which communicates with a UE to choose either ACK/NAK bundling or ACK/NAK multiplexing having the steps of determining with a processing unit of the base station to use either ACK/NAK bundling or ACK/NAK multiplexing to communicate with the UE through a network interface unit of the base station based on predetermined criteria. There is the step of communicating with the UE through the network interface unit using either ACK/NAK bundling or ACK/NAK multiplexing based on the predetermined criteria. | 12-20-2012 |
20120327976 | Method and Apparatus for Implementing Hybrid Rake/Equalizer Receiver for Spread Spectrum Systems - A UE of a spread spectrum wireless telecommunications system includes a network interface unit which receives multiple path energies of a wireless signal. The UE includes a rake receiver in communication with the network interface unit. The UE includes an equalizer in communication with the network interface unit, either the rake receiver or the equalizer processes the signal based on a predetermined criteria. A method of maintaining performance of a user equipment (UE) in a spread spectrum wireless telecommunications system includes the steps of receiving multiple path energies of a wireless signal at a network interface unit of the UE. There is the step of processing the signal with either a rake receiver of the UE in communication with the network interface unit or an equalizer of the UE in communication with the network interface unit based on a predetermined criteria. | 12-27-2012 |
20130022142 | BASE STATION AND METHOD FOR IMPLEMENTING AN ADAPTIVE CLOSED-LOOP MIMO AND OPEN-LOOP MIMO TECHNIQUE IN A WIRELESS COMMUNICATION SYSTEM - A base station and a method are described herein that implement an adaptive closed-loop MIMO and open-loop MIMO technique which accounts for all channel conditions and improves the performance of communications with a user equipment. In one example, the base station and method analyze a current user equipment report and a previous user equipment report received from a user equipment to determine if at least one channel condition parameter has a rate of change greater than a corresponding at least one threshold and if yes then use an open-loop MIMO technique and if no then use a closed-loop MIMO technique when interacting with the user equipment. | 01-24-2013 |
20130044797 | METHODS OF RECEIVING MULTIPLE INPUT MULTIPLE OUTPUT SIGNALS AND RELATED COMMUNICATION DEVICES - A MIMO (Multiple-Input-Multiple-Output) receiver may receive a plurality of MIMO transport blocks transmitted from a plurality of MIMO transmission antennas over a same carrier frequency. More particularly, a MIMO signal including the plurality of MIMO transport blocks may be received through a plurality of reception antennas, and respective measures of signal quality for each of the MIMO transport blocks may be computed. A MIMO transport block may be selected from the plurality of MIMO transport blocks based on the measures of signal quality, and the selected MIMO transport block may be decoded. Responsive to failure decoding the selected MIMO transport block, processing of all MIMO transport blocks received in the MIMO signal may be terminated. Related communication devices are also discussed. | 02-21-2013 |
20130121269 | METHODS SELECTING MODULATION/CODING SCHEMES MAPPED TO MULTIPLE MIMO LAYERS AND RELATED USER EQUIPMENT - A method of operating a user equipment communicating with a base station of a radio access network may include selecting a multiple-input-multiple-output, MIMO, rank and a MIMO precoding entity from a codebook of MIMO precoding entities for a downlink communication from the base station to the user equipment. A modulation/coding scheme to be mapped to first and second MIMO layers of the downlink communication may be selected using the MIMO precoding entity. Channel quality information may be communicated identifying the MIMO precoding entity and the modulation/coding scheme from the user equipment to the base station. Related user equipment nodes are also discussed. | 05-16-2013 |
20130157710 | Methods Providing Multipoint Communications Based on Sector Loads And Related Network Nodes - A method providing communications for a wireless terminal in a wireless communication network may include providing communications for the wireless terminal from a first antenna array for a first base station sector. Responsive to receiving an entry notification that the wireless terminal has entered a border area between the first base station sector and a second base station sector, a load in the second base station sector may be compared with a load threshold. Responsive to the load in the second base station sector being less than the load threshold, multipoint communications may be provided for the wireless terminal through the first antenna array for the first base station sector and through a second antenna array for the second base station sector. Responsive to the load in the second base station sector being greater than the load threshold, multipoint communications may be blocked for the wireless terminal. | 06-20-2013 |
20130250747 | Method and Apparatus Relating to HARQ Processes - A method in a radio receiver arrangement for receiving data blocks of radio signalling. The method comprises receiving a plurality of data blocks over a radio interface from a transmitting side. The method also comprises applying a single hybrid automatic repeat request (HARQ) process to the plurality of data blocks, whereby it is determined that at least one of the plurality of data blocks has been received ok and that at least one of the plurality of data blocks has not been received ok. The method also comprises generating a negative acknowledgement (NAK) for the plurality of data blocks in response to the at least one of the plurality of data blocks having not been received ok. The method also comprises outputting, from the receiver arrangement, at least one symbol obtained from the at least one of the plurality of data blocks which has been received ok. | 09-26-2013 |
20130315284 | Method and Apparatus for Controlling Adaptive Rank Multi Antenna Communication - A mobile terminal can receive N or less different data streams transmitted in parallel over N antennas. The number of different data streams actually transmitted in parallel to the mobile terminal corresponds to transmission rank. If the speed of the mobile terminal does not exceed a predetermined threshold, the mobile terminal utilizes a full-size codebook containing precoder elements for all N transmission ranks to determine a recommended transmission rank and precoder matrix for use in transmitting data to the mobile terminal. Otherwise, the mobile terminal utilizes a reduced-size codebook which excludes the precoder elements for at least transmission rank-N to determine the recommended transmission rank and precoder matrix where transmission rank-N corresponds to N different data streams being transmitted in parallel over the N antennas. The mobile terminal transmits an indication of the recommended transmission rank and precoder matrix to the network. | 11-28-2013 |
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 |
20140044028 | RETRANSMISSION METHODS INCLUDING DISCONTINUOUS TRANSMISSION AND RELATED DEVICES - A method of operating a node of a radio access network may include transmitting first and second data blocks from the radio access network over respective first and second MIMO layers of a MIMO wireless channel to a wireless terminal during a first TTI. Responsive to receiving a NACK message for the second data block, downlink signaling for a second TTI may be transmitted from the radio access network to the wireless terminal with the downlink signaling including a DTX indicator for the first MIMO layer and a retransmission data indicator for the second MIMO layer. Responsive to receiving the NACK message for the second data block, the second data block may be retransmitted from the radio access network over the second MIMO layer to the wireless terminal during a second TTI. | 02-13-2014 |
20140044060 | METHODS OF RECEIVING RETRANSMISSIONS INCLUDING DISCONTINUOUS TRANSMISSION INDICATORS AND RELATED DEVICES - A wireless terminal may receive downlink signaling over a downlink signaling channel from a base station, with the downlink signaling including a DTX indicator for a first downlink MIMO layer and a retransmission data indicator for a second downlink MIMO layer. Soft bits for the second MIMO layer may be generated for a TTI corresponding to the downlink signaling, and the soft bits may be decoded. After decoding the soft bits, an ACK message for the second MIMO layer may be transmitted responsive to success decoding the soft bits or a NACK message for the second MIMO layer may be transmitted responsive to failure decoding the soft bits, and a default response may be transmitted for the first MIMO layer for the TTI. | 02-13-2014 |
20140044206 | METHODS OF MAPPING RETRANSMISSIONS RESPONSIVE TO BUNDLED NACK MESSAGES AND RELATED DEVICES - A method of transmitting data from a network node to a wireless terminal may include transmitting first and second data blocks over respective first and second MIMO layers to the wireless terminal during a first MIMO transmission time interval (TTI). Feedback may be received from the wireless terminal for the first MIMO TTI with the feedback including first and second ACK-NACK codewords that map to the respective first and second MIMO layers. Responsive to the network node being transmit buffer limited for the wireless terminal and responsive to the first ACK-NACK codeword being an ACK and the second ACK-NACK codeword being a NACK, a discontinuous transmission indicator for the first MIMO layer may be transmitted to the wireless terminal, and the second data block may be retransmitted over the second MIMO layer to the wireless terminal during a second MIMO TTI after transmitting the discontinuous transmission indicator. | 02-13-2014 |
20140056238 | METHOD AND BASE STATION FOR CONTROLLING TRANSMISSION OF DATA STREAMS TO USER EQUIPMENTS IN A WIRELESS COMMUNICATION SYSTEM - Disclosed is a base station ( | 02-27-2014 |
20140056372 | Base Station and Method For Transmitting Control Information to a User Equipment (UE) - A method for transmitting to a UE control information comprising: channelization-code-set information (x | 02-27-2014 |
20140056374 | Method and Apparatus for Pilot Power Allocation in a Multi Antenna Communication System - The embodiments herein relate to a method in a base station ( | 02-27-2014 |
20140064392 | METHODS OF SELECTING MIMO RANKS AND RELATED DEVICES - A method of operating a wireless network node may include transmitting a first MIMO downlink communication to a wireless terminal according to a first MIMO rank, and receiving at least one HARQ ACK/NACK, message from the wireless terminal corresponding to the first MIMO downlink communication. A report may be received from the wireless terminal identifying a reported MIMO rank, and a second MIMO rank may be selected for a second MIMO downlink communication responsive to the at least one HARQ ACK/NACK message. The second MIMO downlink communication may be transmitted to the wireless terminal according to the second MIMO rank. | 03-06-2014 |
20140064400 | SYSTEMS AND METHODS FOR REPORTING PILOT SIGNAL POWER INFORMATION IN A FOUR BRANCH MIMO SYSTEM - A base station ( | 03-06-2014 |
20140072065 | FINDING CHANNEL STATE INFORMATION WITH REDUCED CODEBOOK IN A MULTI-ANTENNA WIRELESS COMMUNICATION SYSTEM - Multiple antennas employed at the transmitter and receiver can significantly increase a MIMO system capacity, especially when channel knowledge is available at the transmitter. Channel state information may be provided to the transmitter by the receiver in a codebook based precoding feedback. An approach is proposed in which the receiver conducts a search of precoder elements of a codebook to provide the transmitter with rank information and precoder control index that enhances capacity. Unlike the conventional exhaustive search, the proposed approach reduces complexity by reducing the search space of precoder elements for consideration. Performance loss is minimized by reducing the search space of higher rank precoder elements and keeping the search space of lower rank precoder elements. | 03-13-2014 |
20140072069 | RATE MATCHING FOR HIGH SPEED DEDICATED PHYSICAL CONTROL CHANNEL IN A MULTI ANTENNA WIRELESS COMMUNICATION SYSTEM - In one aspect, a method for encoding control information generated by a user equipment (UE) is provided, where the control information comprises a first bit sequence, a second bit sequence, and a third bit sequence. The method comprises: arranging said bit sequences to produce a bit sequence X | 03-13-2014 |
20140078982 | CHANNEL QUALITY REPORTING IN A WIRELESS COMMUNICATION SYSTEM - In one aspect, a method performed by a user equipment, UE, in a wireless telecommunication system is provided. The UE is configured in multiple input multiple output, MIMO, mode with four transmit antennas. The method includes: transmitting a type A channel status report, CSR, to a network node in a radio access network of the wireless telecommunication system, wherein the type A CSR identifies a first rank; and transmitting a type B CSR to the network node, wherein the type B CSR identifies a second rank, characterized in that the second rank is limited to one of 1, 2, and 3. | 03-20-2014 |
20140079144 | Pilot Channel Configuration for MIMO Network - Embodiments of the present disclosure provide methods and apparatus for configuring additional CPICHs, e.g. third CPICH, fourth CPICH, etc., to support MIMO transmissions of rank three or higher. The additional CPICHs may be configured with two or more power levels. A radio network controller (RNC) sends configuration information for the additional CPICHs to a serving base station in a cell to configure the additional CPICHs. The additional CPICHs can be configured to have a fixed power level, or multiple power levels. When the additional CPICHs are configured with multiple power levels, the base station can select the appropriate power level for each CPICH in dependence on current scheduling decisions in order to reduce inference. | 03-20-2014 |
20140079147 | METHOD, APPARATUS, AND SYSTEM FOR USING COMMON AND DEMODULATION PILOT SIGNALS IN MULTI-ANTENNA WIRELESS COMMUNICATIONS - Multiple antennas employed at transmitting and receiving nodes can significantly increase a MIMO system capacity, especially when channel knowledge of link(s) between the transmitting and receiving nodes is available at the transmitting node. Channel knowledge may be acquired through feedback provided by the receiving node based on a plurality of common pilots transmitted by the transmitting node. The common pilots may include legacy and non-legacy pilots. If the feedback indicates that data demodulation at the receiving node can be enhanced, the transmitting node may also transmit demodulation pilot signal(s), which may coincide with the transmission of data. The receiving node can use the demodulation pilot signal(s), alone or with the common pilot signal(s), to demodulate data received from the transmitting node. The transmitting node may notify the receiving node to monitor for the demodulation pilot signal(s) through higher layer signaling and/or scheduling orders over a control channel. | 03-20-2014 |
20140079148 | METHOD AND APPARATUS FOR TRANSMITTING DEMODULATION PILOTS IN A MULTI ANTENNA WIRELESS COMMUNICATION SYSTEM - Multiple antennas employed at transmitting and receiving nodes can significantly increase a MIMO system capacity, especially when the geometry of the receiving node is high. The transmitting node can determine geometry by transmitting common pilots (which may include legacy and non-legacy common pilots) and receiving feedback from the receiving node based on the common pilots. The geometry can also be determined through measuring uplink signals from the receiving node. If the geometry is high enough, the transmitting node may transmit demodulation pilot(s) in addition to the common pilots. The demodulation pilot transmission may be concurrent with data transmission. The receiving node can use the demodulation pilot(s) to estimate the channel for demodulating the data received from the transmitting node. The transmitting node may notify the receiving node to monitor for the demodulation pilot(s) through a configuration message sent over a control channel. | 03-20-2014 |
20140086351 | METHODS OF COMMUNICATING DATA INCLUDING SYMBOL MAPPING/DEMAPPING AND RELATED DEVICES - Data may be transmitted from a RAN node to a wireless terminal using a MIMO antenna array. A plurality of unmapped symbol blocks may be generated. Symbols of a first one of the plurality of unmapped symbol blocks may be mapped to first and second mapped symbol blocks so that the first mapped symbol block includes symbols of the first unmapped symbol block and so that the second mapped symbol block includes symbols of the first unmapped symbol block. The symbols of the first and second mapped symbol blocks may be precoded to provide precoded symbols of respective first and second MIMO precoding layers using a MIMO precoding vector. Each of the precoded symbols of the first and second MIMO precoding layers may be transmitted through the MIMO antenna array to the wireless terminal using a same TFRE. Related devices and terminals are also discussed | 03-27-2014 |
20140112407 | METHODS OF PROVIDING CHANNEL STATE INFORMATION USING DIFFERENT PLURALITIES OF CODEWORDS AND RELATED DEVICES AND SYSTEMS - CSI may be provided for a first device communicating with a second device over a MIMO channel using codewords of a precoding codebook. The first and/or second devices support communications over the MIMO channel using a plurality of transmission layers, and the codewords of the precoding codebook are divided into transmission layer groups. Each transmission layer group is provided for a respective one of the transmission layers. At least first and second pluralities of codewords of the precoding codebook are defined. Each of the first and second pluralities includes codewords from each of the transmission layer groups. During a first TTI, respective performance metrics for the first plurality of codewords are determined based on transmissions received at the first device. During a second TTI, respective performance metrics for the second plurality of codewords are determined based on transmissions received at the first device. | 04-24-2014 |
20140126551 | METHODS OF MAPPING RETRANSMISSIONS RESPONSIVE TO BUNDLED NACK MESSAGES AND RELATED DEVICES - A method of operating a node of a MIMO network may include transmitting first and second HARQ IDs over a downlink signaling channel to a wireless terminal for a first MIMO TTI. The first HARQ ID is mapped to a first MIMO layer, and the second HARQ ID is mapped to second and third MIMO layers. First, second, and third data blocks are transmitted over the first, second, and third MIMO layers to the wireless terminal for the first MIMO TTI. Responsive to receiving an ACK message associated with the first HARQ ID, a fourth data block is transmitted over the first MIMO layer to the wireless terminal for a second MIMO TTI. Responsive to receiving a NACK message associated with the second HARQ process identification, the second and third data blocks are retransmitted over the second and third MIMO layers to the wireless terminal for the second MIMO TTI. | 05-08-2014 |
20140133471 | METHODS AND DEVICES RELATING TO MIMO COMMUNICATIONS - Methods and devices supporting MIMO transmission/reception are discussed. For example, first and second data blocks may be transmitted/received respectively using first and second transmission/reception layers during a first TTI for rank two transmission/reception. A first HARQ process may be mapped to the first data block of the first layer for the first TTI. A second HARQ process may be mapped to the second data block of the second layer for the first TTI. Third, fourth, and fifth data blocks may be transmitted/received respectively using the first and second layers and using a third transmission/reception layer during a second TTI for rank three transmission/reception. The first HARQ process may be mapped to the third data block of the first layer for the second TTI. The second HARQ process may be mapped to the fourth and fifth data blocks of the second and third layers for the second TTI. | 05-15-2014 |
20140161053 | Control Channel in a High-Speed Packet Access System - The proposed technology relates to a method for conveying information from a node to user equipment, UE, in a HSPA, system. The method comprises the step of obtaining (S | 06-12-2014 |
20140161203 | Methods for Selecting Precoding Vectors for Multi-Point MIMO (Multiple-Input-Multiple-Output) Communications and Related Wireless Terminals and Radio Network Nodes - A wireless terminal may receive multiple-input-multiple-output (MIMO) downlink communications from a wireless communication network including a plurality of base station sector antenna arrays using a codebook of precoding vectors. MIMO downlink communications may be received from the wireless communication. When receiving the MIMO downlink communications as multi-point MIMO downlink communications from first and second base station sector antenna arrays of the plurality of base station sector antenna arrays, a precoding vector may be selected for the multi-point MIMO downlink communications from only a subset of the precoding vectors of the codebook. | 06-12-2014 |
20140177526 | MIMO System - Improved performance of downlink data transmission in a high speed downlink packet access, HSDPA, mobile communication system is described. Rank information, RI, and channel quality information, CQI, is obtained in a radio base station from a user equipment, UE, and this rank and CQI information is used in a medium access control-ehs, MAC-ehs, entity for determining a transport format and resource combination, TFRC, on a downlink channel. | 06-26-2014 |
20140177545 | TIME MULTIPLEXED CHANNEL STATE INFORMATION REPORTING IN A MULTI ANTENNA WIRELESS COMMUNICATION SYSTEM - The embodiments herein relates to a method in a user equipment ( | 06-26-2014 |
20140198776 | METHODS OF TRANSMITTING AND/OR RECEIVING DATA TRANSMISSIONS USING INFORMATION RELATING TO OTHER DATA TRANSMISSIONS AND RELATED NETWORK NODES - A method may be provided to receive communications at a first node operating in a wireless communication network from a second node. The method may include receiving first information from the second node operating in the wireless communication network, wherein the first information is for a first data transmission from the second node to the first node. Second information may be received from the second node, wherein the second information is for a second data transmission to a third node operating in the wireless communication network. The first data transmission may be received at the first node from the second node using the first information for the first data transmission received from the second node and using the second information for the second data transmission received from the second node. Related transmission methods, network nodes, and wireless terminals are also discussed. | 07-17-2014 |
20140205031 | FINDING CHANNEL STATE INFORMATION WITH REDUCED CODEBOOK IN A MULTI-ANTENNA WIRELESS COMMUNICATION SYSTEM - Multiple antennas employed at the transmitter and receiver can significantly increase a MIMO system capacity, especially when channel knowledge is available at the transmitter. Channel state information may be provided to the transmitter by the receiver in a codebook based precoding feedback. In a proposed approach is proposed in which the receiver conducts a search of precoder elements of a codebook to provide the transmitter with rank information and precoder control index that enhances capacity. Unlike the conventional exhaustive search, the proposed approach reduces complexity by reducing the search space of precoder elements for consideration. Performance loss is minimized by reducing the search space of higher rank precoder elements. For some ranks, the complexity is reduced without any performance sacrifice by grouping the precoder elements of the rank into groups of equivalent capacities and including at most one precoder element from each group into the search space. | 07-24-2014 |
20140245095 | METHODS OF COMMUNICATING DATA INCLUDING SHARED ACK/NACK MESSAGES AND RELATED DEVICES - A method of transmitting data from a wireless network node over a MIMO channel to a wireless terminal may include transmitting first and second transport data blocks to the wireless terminal over the MIMO channel using a first time-frequency-resource-element (TFRE). Responsive to receiving a NACK message from the wireless terminal corresponding to the first and second transport data blocks transmitted using the first TFRE, the first and second transport data blocks may be retransmitted to the wireless terminal over the MIMO channel using a second TFRE. | 08-28-2014 |
20140313990 | INITIATING NETWORK ASSISTANCE IN A WIRELESS NETWORK - In MIMO scenarios, a mobile terminal ( | 10-23-2014 |
20140328259 | SYSTEMS AND METHODS FOR DETERMINING MEASUREMENT POWER OFFSETS - Disclosed herein, among other things, is a method performed by a user equipment (UE) for providing to a network channel station information (CSI). The method comprises: receiving from the network two measurement power offsets, a first measurement power offset and a second measurement power offset; selecting one of said two measurement power offsets; computing CSI using the selected measurement power offset; and transmitting to the network the determined CSI. | 11-06-2014 |
20140347992 | Common Pilot Gating in a Multi-Antenna Wireless Communication System - A multi-antenna base station ( | 11-27-2014 |
20150063502 | METHODS OF COMMUNICATING DATA INCLUDING SYMBOL MAPPING/DEMAPPING AND RELATED DEVICES - Data may be transmitted from a RAN node to a wireless terminal using a MIMO antenna array. A plurality of unmapped symbol blocks may be generated. Symbols of a first one of the plurality of unmapped symbol blocks may be mapped to first and second mapped symbol blocks so that the first mapped symbol block includes symbols of the first unmapped symbol block and so that the second mapped symbol block includes symbols of the first unmapped symbol block. The symbols of the first and second mapped symbol blocks may be precoded to provide precoded symbols of respective first and second MIMO precoding layers using a MIMO precoding vector. Each of the precoded symbols of the first and second MIMO precoding layers may be transmitted through the MIMO antenna array to the wireless terminal using a same TFRE. Related devices and terminals are also discussed. | 03-05-2015 |
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 |