Abstract: Communication carried out over a frequency band divided into a plurality of subcarriers by messages transmitted between a first radio station and a second radio station in a plurality of hops between respectively adjacent radio stations arranged in hierarchical levels. A subset of the subcarriers is used for each hop. The subsets used are allocated by at least one higher level radio station and the composition of at least one of the subsets used varies over time.

Abstract: The present disclosure teaches an active antenna array for a mobile communications network. The active antenna array comprises a plurality of first polarization antenna elements and a plurality of second polarization antenna elements. The plurality of first polarization antenna elements is connected to a first protocol signal generator. The plurality of first polarization antenna elements are adapted to radiate an individual first protocol transmit signal. An individual one of the plurality of second polarization antenna element is connected to an individual one of a plurality of second protocol signal generators. The plurality of second polarization antenna elements is adapted to radiate an individual second protocol transmit signal. An individual one of the plurality of first polarization antenna elements and the individual one of the plurality of second polarization antenna elements are adapted to receive both, an individual first protocol receive signal and an individual second protocol receive signal.

Abstract: The present disclosure teaches an active antenna array for a mobile communications network. The active antenna array comprises a plurality of antenna elements, a first port, a first DC voltage supply and at least one DC voltage extractor. The plurality of antenna elements relays at least first protocol radio signals. The first port is connected to at least one individual first protocol relay path. The first port relays a general first protocol receive signal to a first protocol link. The first DC voltage supply provides a first DC voltage to at least a portion of the first protocol link. The at least one DC voltage extractor, is located in the at least one individual first protocol relay path. The DC voltage extractor extracts at least one individual DC voltage to supply an at least one amplifier.

Abstract: A method codes information, wherein bits that are to be coded are divided into successive first blocks. Second blocks are determined, respectively, by applying a permutation to each of the first blocks. Third blocks are determined by interleaving each of the first blocks with a respective second block. The third blocks are convolution coded, and the bits are combined to form symbols according to the convolutional code. There is a related method for decoding and devices for carrying out the methods.

Abstract: A radio transceiver comprising at least two individual receive paths and at least two individual transmit paths is disclosed. The radio transceiver includes a first filter arrangement for separating individual ones of the at least two individual transmit paths from a combined one of the at least two individual receive paths, a splitter for splitting the combined one of the at least two receive paths into the individual receive paths; and a second filter arrangement for separating combined receive bands on the combined one of the at least two receive paths into individual receive bands on the individual receive paths. A method for the reception of combined receive signals in at least two receive frequency bands is also disclosed.

Abstract: An antenna array having a plurality of antenna elements is disclosed. The antenna array comprises: a plurality of transceiver modules; an active antenna element subset of the plurality of antenna elements, wherein the active antenna element subset comprises at least one active antenna element being actively coupled to an associated transceiver module of the plurality of transceiver modules; and at least one passively combined sub-array of at least two antenna elements of the plurality of antenna elements. A method for generating antenna patterns with the antenna array is also disclosed.

Abstract: The present invention refers to an active antenna array having a plurality of antenna elements comprising: at least one first subset of the plurality of antenna elements, the at least one first subset relaying a first radio signal having a first antenna beam pattern; and at least one second subset of the plurality of antenna elements, the at least one second subset relaying a second radio signal having a second antenna beam pattern, wherein at least one of the plurality of antenna elements is a common antenna element belonging to both the first subset and the second subset. A method for operating the active antenna array is also disclosed.

Abstract: The application relates to a method for operation of an active antenna array and to an active antenna system. The active antenna system has a signal processing unit and an active antenna array adapted to be operated with a main antenna pattern correlated to a main receive beam and with at least one test antenna pattern correlated to a test receive beam having an orientation different from the main receive beam. A main radio frequency signal is received based on the main antenna pattern and a test radio frequency signal is received based on the test antenna pattern. The main radio frequency signal comprises communications traffic. Performance of the main receive beam is assessed based on the main radio frequency signal and performance of the test receive beam is assessed based on the test radio frequency signal. The main antenna pattern is adjusted based on a comparison of the performance of the main receive beam and test receive beam.

Abstract: Data symbols, transmitted by OFDM radio using at least two transmission antennae, are coded by a DSTBC coding and a DSTFBC coding. Two adjacent data symbols of a selected sub-carrier are provided for initializing a DSTFBC coding in a sub-carrier direction and are used for DSTFBC coding of similarly positioned data symbols in further sub-carriers in the sub-carrier. The DSTFBC coding is carried out from the data symbols of the first sub-carrier direction. In each sub-carrier the two data symbols formed by DSTFBC coding are used for initializing a DSTBC coding in the OFDM symbol direction. In the reverse direction, two sequential DSTBC coded data symbols on a first sub-carrier for initializing a DSTFBC coding in a sub-carrier direction and are used for DSTFBC coding of similarly positioned data symbols in further sub-carriers for DSTFBC coding from the data symbols of the first sub-carrier over the adjacent sub-carriers.

Abstract: The application relates to a method for operation of an active antenna array and to an active antenna system. The active antenna system has a signal processing unit and an active antenna array adapted to be operated with a main antenna pattern correlated to a main receive beam and with at least one test antenna pattern correlated to a test receive beam having an orientation different from the main receive beam. A main radio frequency signal is received based on the main antenna pattern and a test radio frequency signal is received based on the test antenna pattern. The main radio frequency signal comprises communications traffic. Performance of the main receive beam is assessed based on the main radio frequency signal and performance of the test receive beam is assessed based on the test radio frequency signal. The main antenna pattern is adjusted based on a comparison of the performance of the main receive beam and test receive beam.

Abstract: A radio transceiver comprising at least two individual receive paths and at least two individual transmit paths is disclosed. The radio transceiver includes a first filter arrangement for separating individual ones of the at least two individual transmit paths from a combined one of the at least two individual receive paths, a splitter for splitting the combined one of the at least two receive paths into the individual receive paths; and a second filter arrangement for separating combined receive bands on the combined one of the at least two receive paths into individual receive bands on the individual receive paths. A method for the reception of combined receive signals in at least two receive frequency bands is also disclosed.

Abstract: An antenna array (10) for the transmission of signals (20) is disclosed. The antenna array (10) comprises: a plurality of transmission paths (30-1, 30-2, 30-K) for transmitting a plurality of wanted signals (25) and at least one calibration signal generator (40-1, 40-2, 40-K) for the generation of at least one calibration signal (45). A plurality of calibration signal mixers (50-1, 50-2, 50-K) mixes the at least one calibration signal (45) with the plurality of wanted signals (25) to produce a plurality of transmission signals (20). A path sum signal device (60) sum the plurality of transmission signals (20) to produce a summed transmission signal (65); and an interference estimator (90) accepts the at least one calibration signal (45) and generates an estimated interference signal (92).

Abstract: In an OFDM multi carrier modulation method, M sub-carriers are used in a frequency band of a broadband mobile radio channel and several symbols are used in a time band. With application of a MIMO multi-antenna method with T transmitting antennae and R receiving antennae, for all sub-carriers and all symbols, a single, pre-determined, channel-matched transmission strategy is used, which is described by a maximum of T*R complex values on the signal side, independent of the species of the MIMO multi-antenna method and independent of the size of the frequency/time bands.

Abstract: The present disclosure teaches an active antenna array for a mobile communications network. The active antenna array comprises a plurality of first polarisation antenna elements and a plurality of second polarisation antenna elements. The plurality of first polarisation antenna elements is connected to a first protocol signal generator. The plurality of first polarisation antenna elements are adapted to radiate an individual first protocol transmit signal. An individual one of the plurality of second polarisation antenna element is connected to an individual one of a plurality of second protocol signal generators. The plurality of second polarisation antenna elements is adapted to radiate an individual second protocol transmit signal. An individual one of the plurality of first polarisation antenna elements and the individual one of the plurality of second polarisation antenna elements are adapted to receive both, an individual first protocol receive signal and an individual second protocol receive signal.

Abstract: The present disclosure teaches an active antenna array for a mobile communications network. The active antenna array comprises a plurality of antenna elements, at least one first splitter, at least one amplifier and at least one first coupler. The first splitter forwards at least one of at least one individual first protocol receive signal and at least one individual second protocol receive signal in a receive direction from an individual one of the plurality of antenna elements. The at least one amplifier amplifies at least one of the individual first protocol receive signal and the individual second protocol receive signal. The at least one first coupler is located in the receive direction downstream of the at least one amplifier and is adapted to forward the at least one individual second protocol receive signal to a second protocol receiver.

Abstract: An antenna array for a mobile communications network is disclosed which comprise mechanical devices for altering a direction of a first beam and electronic beam forming apparatus for shaping a second beam. A method for tilting radio beams in a mobile communications network using the antenna array is also disclosed. The method comprises mechanical tilting a first protocol radio beam and electronic tilting a second protocol radio beam.

Abstract: The present disclosure teaches an active antenna array for a mobile communications network. The active antenna array comprises a plurality of antenna elements, a first port, a first DC voltage supply and at least one DC voltage extractor. The plurality of antenna elements relays at least first protocol radio signals. The first port is connected to at least one individual first protocol relay path. The first port relays a general first protocol receive signal to a first protocol link. The first DC voltage supply provides a first DC voltage to at least a portion of the first protocol link. The at least one DC voltage extractor, is located in the at least one individual first protocol relay path. The DC voltage extractor extracts at least one individual DC voltage to supply an at least one amplifier.

Abstract: The present disclosure provides an antenna array (1) for relaying radio signals into a cell (10) of a communication network (500). The antenna array (1) comprises a plurality of uplink beam forming vectors (20u) selectable as an uplink beam shape for an uplink relaying and a plurality of downlink beam forming vectors (20d) selectable as a down link beam shape for a down link relaying. The plurality of uplink beam forming vectors (20u) and/or the plurality of the downlink beam forming vectors (20d) may be adjusted at a digital radio interface and forwarded from the digital radio interface to the antenna array (1). An individual one (22u) of the plurality of uplink beam forming vectors (20u) and an individual one (22d) of the plurality of downlink beam forming vectors (20d) are independently selectable using a local knowledge (60) about the cell 10. The present disclosure further provides a communication network (500) comprising a plurality of the antenna arrays (1-1, 1-2, . . .

Abstract: The present disclosure relates to a radio system (1), a base band unit (20) and a method (100) for relaying radio signals in a cell (101) of a mobile network. The radio signals are relayed according to a service criterion (300). With the present invention the radio signals are grouped into a grouped payload signal (30-1, 30-2, . . . , 30-M) and a grouped receive signal (220-1, 220-2, . . . , 220-M) according to the service criterion (300). The grouped payload signal (30-1, . . . , 30-M) and the grouped receive signal (220-1, 220-2, . . . , 220-M) are associated with a beam forming vector (40-1, 40-2, . . . , 40-M). The grouping according to the present disclosure helps to improve a quality of service provided to an individual user of the mobile network. The associated beam forming vector (40-1, 40-2, . . . , 40-M) may be provided and adjusted at a digital radio interface DRI (200). Furthermore the present disclosure provides various computer programme product implementing the various aspects.

Abstract: A method transmits a message by radio from a transmitter to a receiver. In a first step, the transmitter transmits the message to a forwarding station. In a second step, the message is subsequently transmitted at the same time from the transmitter and the forwarding station to the receiver. A transmitter carries out the method.