Abstract: The present invention relates to a method of communicating in a network, comprising a secondary station transmitting to a primary station a data packet comprising a report, the secondary station monitoring before transmission of the packet whether said packet includes an indication of the order of transmission in a sequence of transmitted packets, and adding an indication of the order of transmission in a sequence of transmitted packets.

Abstract: The invention relates to a method for operating a secondary station, the secondary station communicating with at least one primary station by means<MIMO transmissions, the method comprising the secondary station signaling a single precoding indicator representative of a set of recommended precoding coefficients to the primary station, wherein the same precoding indicator applies for a plurality of available transmission modes.

Abstract: The invention relates to a method for operating a secondary station in a communication network including a primary station, the method comprising generating a precoding matrix obtained from the Hadamard product of an alphabet modifying matrix and an original precoding matrix, wherein the original precoding matrix consist of complex coefficients of equal magnitude, transmitting a precoding report representative of the precoding matrix to the primary station.

Abstract: A method for communicating in a mobile communications network including a primary station communicating with at least one secondary station comprising communication means for communicating with a primary station, the method comprising the step (a) of the secondary station signaling at least one preferred operating profile out of a plurality of available operating profiles in response to an event.

Abstract: The present invention relates to space-time or space-frequency coding in cellular systems. The same data is transmitted from different antennas with different coverage areas, corresponding to different cells. The different data streams have different parts of the space-time block codes applied. A mobile terminal can combine the different parts of the space-time block codes in different received signals. This provides better performance than the known techniques for single frequency networks. The invention can also be applied to antennas with different coverage areas from the same site, and different beams formed with antenna arrays.

Abstract: The present invention relates to a method for operating a communication system in a network, the system comprising a primary station and at least one secondary station, the primary station comprising a plurality of transmit antennas and the secondary station comprising a plurality of receive antennas, the method comprising the steps of the primary station selecting a first communication scheme among a plurality of communication schemes, the primary station computing a transmission vector on the basis of the first communication scheme, the secondary station computing a reception vector on the basis of a second communication scheme, the second communication scheme being selected among the plurality of communication schemes by the secondary station on the assumption that a predetermined communication scheme is being used by the primary station.

Abstract: A method for communicating between a primary station and at least one secondary station, comprising: configuring the secondary station to search at least one of a plurality of search spaces having a first structure, the first structure consisting of at least a first number of resource sets having a first size, where at least one resource set is for transmitting a message to the secondary station, and changing the search space structure to a second structure different from the first structure in response to a signalling message.

Abstract: The present invention relates to a method for operating a primary station comprising a transceiver for communicating with a plurality of secondary stations, the transceiver including at least two antennas, the method comprising the primary station transmitting to a secondary station for a single spatial channel at least one first set of reference symbols with a first antenna and at least one second set of reference symbols with a second antenna, the second set of reference symbols being orthogonal to the first set of reference symbols.

Abstract: The invention relates to a method for operating a secondary station (110a, 110b), said secondary station (110a, 110b) comprising communication means for communicating with a primary station (100), the method comprising the step (a) of the secondary station (110a, 110b) signaling at least one preferred operating profile (S205) out of a plurality of available operating profiles in response to an event (S204).

Abstract: According to one embodiment, a method includes establishing a plurality of wired connections between a base station and a plurality of geographically distributed remote transceivers. Each remote transceiver of the plurality of remote transceivers has one or more physical antenna ports. The plurality of remote transceivers are assigned to a plurality of sets where each set has one or more of the plurality of remote transceivers. One or more logical ports is assigned to each set of the plurality of sets. Each logical port of a set corresponds to at least one physical antenna port of the one or more remote transceivers of the respective set. Data traffic is sent from the base station to the endpoint using at least one wireless connection between the endpoint and at least one physical antenna port of the one or more remote transceivers of a first set of the plurality of sets.

Abstract: In a method for operating a secondary station in a network, the secondary station: controlling a transceiver configured for simultaneously receiving transmissions from a first primary station controlling a first cell and at least one second primary station controlling a second cell; selecting a first precoding matrix for the first cell out of a first set of precoding matrices for the first cell; selecting, depending on the first precoding matrix, in accordance with a precoding scheme, a subset out of a second set of precoding matrices for the second cell, the subset comprising at least one precoding matrix for the second cell; selecting a second precoding matrix for the at least one second cell out of the selected subset of precoding matrices; transmitting a first and second indicator representative of the respective first and second precoding matrix; wherein the second precoding matrix is based on the value of the first indicator, so that the amount of data used for transmitting the second indicator is less

Abstract: The present invention relates to space-time or space-frequency coding in cellular systems. The same data is transmitted from different antennas with different coverage areas, corresponding to different cells. The different data streams have different parts of the space-time block codes applied. A mobile terminal can combine the different parts of the space-time block codes in different received signals. This provides better performance than the known techniques for single frequency networks. The invention can also be applied to antennas with different coverage areas from the same site, and different beams formed with antenna arrays.

Abstract: The present invention relates to space-time or space-frequency coding in cellular systems. The same data is transmitted from different antennas with different coverage areas, corresponding to different cells. The different data streams have different parts of the space-time block codes applied. A mobile terminal can combine the different parts of the space-time block codes in different received signals. This provides better performance than the known techniques for single frequency networks. The invention can also be applied to antennas with different coverage areas from the same site, and different beams formed with antenna arrays.

Abstract: The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of beams are simultaneously transmitted and a plurality of sets of channel quality information are transmitted for controlling independently the transmission rate on the different beams. Determined are beams with a different quality resulting in different effects of errors in the transmissions of the channel quality information for the beams. Said different effects are exploited for reducing a signaling overhead of the channel quality information for the beams.

Abstract: The present invention relates to a method for operating a secondary station in a network, the secondary station comprising a transceiver adapted for simultaneously receiving transmissions from a primary station controlling a first cell and at least one primary station controlling a second cell, the method comprising the secondary station (a) selecting a first precoding matrix for the first cell out a primary set of precoding matrices for the first cell, (b) selecting a subset of at least one precoding matrix for the at least one second cell in dependence on the first precoding matrix, out of a set of subsets of precoding matrices for the second cell, (c) selecting a second precoding matrix for the at least one second cell out of the selected subset of precoding matrices for the second cell, (d) transmitting a first indicator representative of the first precoding matrix.

Abstract: The present invention relates to a method for operating a secondary station in a network, the secondary station comprising a transceiver adapted for simultaneously receiving transmissions from a primary station controlling a first cell and at least one primary station controlling a second cell, the method comprising the secondary station (a) selecting a first precoding matrix for the first cell out of a primary set of precoding matrices for the first cell, (b) selecting a subset of at least one precoding matrix for the at least one second cell in dependence on the first precoding matrix, out of a set of subsets of precoding matrices for the second cell, (c) selecting a second precoding matrix for the at least one second cell out of the selected subset of precoding matrices for the second cell, (d) transmitting a first indicator representative of the first precoding matrix.

Abstract: The present invention relates to a method for transmission of control information from a primary station to at least one secondary station, comprising the step of transmitting with a first set of control information parameters control information corresponding to data transmission with a first set of data parameters and transmitting with a second set of control information parameters control information corresponding to data transmission with a second set of data parameters, wherein at least one control information parameter has a difference in value between the two sets of control information parameters, said difference in value having a dependency on the difference between the value of a data parameter in the first set of data parameters and the value of the data parameter in the second set of data parameters, said data parameter being a different parameter from the at least one control information parameter.

Abstract: The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of beams are simultaneously transmitted and a plurality of sets of channel quality information are transmitted for controlling independently the transmission rate on the different beams. Determined are beams with a different quality resulting in different effects of errors in the transmissions of the channel quality information for the beams. Said different effects are exploited for reducing a signaling overhead of the channel quality information for the beams.

Abstract: The present invention relates to a method for communicating in a network, comprising a) a secondary station preparing the transmission to a primary station of a message comprising at least a data field for containing data in an allocated resource, said resource comprising a plurality of resource blocks, and b) if the size of the allocated resource is bigger than required for the size of the message, the secondary station dividing the allocated resource in a first portion and a second portion, each portion comprising at least one resource block, c) the secondary station transmitting the message to the primary station in the first portion of the resource, d) the secondary station preventing from transmitting in the second portion of the resource.

Abstract: The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of sets of channel quality information are transmitted for controlling the transmission rate on one of the beams, wherein each set of channel quality information is derived dependent on an assumed parameter of at least one other beam which could be transmitted, comprising selecting a parameter of the transmission of each of the sets of channel quality information dependent on the assumed parameter of the at least one other beam.