Abstract: A user equipment is provided comprising: 1) transceiver circuitry configured to operate in cells associated with at least one radio access technology (RAT) network; and 2) a controller configured to perform neighbor cell searches. The controller is further configured to determine when the user equipment enters a first RRC state from a second RRC state. In response to the determination, the controller determines a time period since a most recent search of neighbor cells was performed. The first RRC state is one of at least: CELL_PCH, URA_PCH and IDLE. The second RRC state is one of at least CELL_FACH and CELL_DCH.

Abstract: A circulator/isolator assembly to operate within a first frequency range is disclosed. The assembly includes a first magnetic substrate having a first surface and a second surface and a first ground plane formed on the first surface, a dielectric layer disposed adjacent the first magnetic substrate, the dielectric layer comprising a multi-port junction circuit disposed on a first side of the dielectric layer and dimensioned to be resonant within the first frequency range, the multi-port junction circuit comprising a conductive disk coupled to a plurality of RF transmission traces, a first RF transmission trace forming an input port and a second RF transmission trace forming an output port, a ground plane disposed on a second side of the dielectric layer, and a first magnetic cylinder disposed proximate the multi-port junction circuit of the dielectric layer.

Abstract: A sensor unit that includes at least one sensor configured to measure an ambient condition is described. The controller can be configured to receive instructions, to report a notice level when the controller determines that data measured by the at least one sensor fails a report threshold test corresponding to a report threshold value. The controller can also be configured to obtain a plurality of calibration measurements from the at least one sensor during a calibration period and to adjust the threshold based on the calibration measurements. The controller can be configured to compute a first threshold level corresponding to background noise and a second threshold level corresponding to sensor noise, and to compute the report threshold value from the second threshold. In one embodiment, the sensor unit adjusts one or more of the thresholds based on ambient temperature.

Abstract: The present invention is related to a Zigbee device and a method for management of a Zigbee device. The Zigbee device is capable of improving data processing efficiency as well as improving resource utilization by estimating a future available buffer amount of a buffer unit and controlling a variable buffer amount in such a way that the available buffer amount of the buffer unit is matched to the future available buffer amount.

Abstract: The internal propagation of radiation between a radiation source and radiation detector mounted within a sensor package is prevented by the use of an optical isolator. The optical isolator is formed by the combination of a baffle mounted between the source and detector and a groove formed in an upper surface of the sensor package between the source and detector. A bottom of the groove is positioned adjacent to an upper edge of the baffle.

Abstract: A voice call processing method and apparatus for a mobile terminal are provided for improving voice communication quality by switching between matching circuits that are optimized for respective audio output modes of the mobile terminal. The mobile terminal includes at least two matching circuits designated for individual audio output modes, a mode tracking unit for detecting a change from a first audio output mode to a second audio output mode, a control unit for identifying the second audio output mode and the matching circuit designated for the second audio output mode and for outputting a control signal for switching to the matching circuit designated for the second audio output mode, and a switch for switching the signal path between the at least two matching circuits based on the control signal output by the control unit.

Abstract: In one embodiment, receiving a first radio frequency (RF) signal from a first node, generating a first digital data set by decoding the first received RF signal, determining whether a first address in the first digital data set is associated with at least one of a first radio network or a second radio network by comparing the first address to a first set of addresses associated with the first radio network and a second set of addresses associated with the second radio network, appending a first status to the first digital data set indicating that the first address is associated with the first or second radio network, and transmitting an interrupt signal and the first digital data set to a microcontroller for evaluation by the microcontroller in response to determining that the first address is associated with at least one of the first or second radio network.

Abstract: The signal processing system includes a first signal processing unit, a first route, and a second route. The first signal processing unit receives a first signal and generates a first sub-signal and a second sub-signal. The first route receives the first sub-signal through one end of the first route and outputs the first sub-signal from the other end. The second route receives the first signal transmitted from the antenna through one end of the second route, and outputs the first signal through the other end. The second route includes a second signal processing unit, receives the first signal and generates a third sub-signal and a fourth sub-signal; a gain unit receives the third sub-signal to gain the first signal; and a circuit unit receives the fourth sub-signal, determines whether to enable the gain unit, or to adjust a gain level of the gain unit.

Abstract: Methods and apparatus for millimeter wave (mmW) beam acquisition are disclosed. An apparatus includes a transmitter configured to transmit millimeter wave (mmW) WTRU (mmW WTRU) information over a cellular system to a base station a receiver and a processor. The receiver receives a list of candidate mmW base stations (mB) including mmW acquisition start timing information from the base station, and the processor calculates correlation values around the received mmW acquisition start timing information for the mBs in the list.

Abstract: A system and method for connecting an external RF connector on an electrical module housing to a PCB within an electronic module is presented. The electronic module is configured to operate within a Department of Defense Joint Tactical Radio System in altitudes up to 15000 feet, at operating temperatures between ?40 to +55 degrees Celsius, in driving rain and dust storms, in a corrosive salt-sea atmosphere and to withstand indirect shock. The electronic module comprises a module housing, a housing connector on an external wall of the housing, a PCB within the housing, a PCB connector for a coaxial cable mounted on the PCB and a coaxial cable with first and second ends that is looped 360 degrees between the housing connector and the PCB connector. The first end of the cable is connected to the housing connector and the second end is connected to the PCB connector.

Abstract: A transceiver, receiver, and transmitter are provided. The transceiver may also include a programmable matching block configured to implement impedance-matching between an antenna and the receiver and/or between the antenna and the transmitter. The programmable matching block may implement the impedance-matching through a shared matching circuit block. The programmable matching block may include at least one of a programmable inductor and a programmable capacitor.

Abstract: Aspects of a method and system for sharing low noise amplifier (LNA) circuitry in a single chip Bluetooth and wireless local area network (WLAN) system are disclosed. Aspects of the system may comprise a chip with integrated WLAN and Bluetooth radios. RF signals may be received via a single antenna coupled to a shared LNA integrated in chip. When WLAN signals are received they are communicated from the shared LNA to a subsequent amplification stage integrated within the WLAN radio. When Bluetooth signals are received they are communicated from the shared LNA to a subsequent amplification stage that comprises a transconductance amplifier integrated within the WLAN radio and an LNA load integrated within the Bluetooth radio. Gains in the LNAs, the transconductance amplifier, and/or the subsequent WLAN amplification stage may be dynamically adjusted. Outputs from the subsequent amplification stages may be communicated to mixers for further processing.

Abstract: A transceiver circuit is configured to operate in a first mode of operation and a second mode of operation such that a receive signal propagates from an antenna through a first filter to a low noise amplifier while simultaneously a transmit signal propagates from a power amplifier through a second filter to the antenna when operating in the first mode. The receive signal propagates from the antenna to the low noise amplifier without being filtered while alternating with the transmit signal propagating from the power amplifier to the antenna without being filtered when operating in the second mode.

Abstract: Software defined radio equipment is provided. The equipment includes a software defined radio emission/reception radio sub-system, a primary software defined radio application and a secondary software defined radio application capable of interfacing with the radio emission/reception sub-system. The primary software defined radio application is a telecommunications application and the secondary software defined radio application is a cognitive radio application. A software defined radio emission/reception radio sub-system is also provided.

Abstract: A digital radio module comprises a modular architecture for use in a multi-band multi-standard radio communication apparatus. The digital radio module comprises one or more digital transmitter sub modules, each digital transmitter sub module comprising a plurality of digital transmitter chains, and one or more digital receiver sub modules, each digital receiver sub module comprising a plurality of digital receiver chains. Each of the digital transmitter sub modules and digital receiver sub modules comprises a respective control unit for individually configuring each digital transmitter sub module and digital receiver sub module such that the digital radio module is operable to transmit and/or receive multiple different carrier frequency signals in one or more different modes of operation.

Abstract: Embodiments of the present disclosure provide a multi-frequency band antenna feeder sharing method and a base station radio frequency unit. The method includes: receiving a signal of a frequency band 1 and a signal of a frequency band 2 through an antenna feeder, transmitting the signals to a band-pass filter and filtering the signals so as to obtain the signal of the frequency band 2, and transmitting the signal of the frequency band 2 to a third radio frequency port through a combiner port; and/or, sending the signal of the frequency band 2 to the combiner port through the third radio frequency port, transmitting the signal of the frequency band 2 that has passed through the band-pass filter to the port of the first radio frequency channel, and sending out the signal of the frequency band 2, together with the signal of the frequency band 1.

Abstract: In a communication device, a heat sink includes a solderable top surface with multiple upward facing swaging protrusions. A spacer is placed on top of the top surface of the heat sink with locating cut-outs on the spacer aligned with the swaging protrusions. A solder pre form is inserted into an opening in the spacer. The solder pre form includes locating features for alignment with the spacer and the swaging protrusions. The spacer is configured to restrict melted flow from the solder pre form to a defined area of the heat sink top surface. A printed circuit board including cut-outs and input and output connections for inserting a radio frequency device and further including locating holes for aligning the printed circuit board with the swaging protrusions is placed on top of the solder pre form and secured to the heat sink prior to a manufacturing process.

Abstract: Systems, devices, and methods for adjusting a transmission power at a femto node are described herein. According to the systems, devices, and methods herein, a measurement of a signal transmitted from a transmitting node may be communicated to the femto node, for example from a user equipment or a neighboring femto node, for use in adjusting the power. The transmitting node may comprise the femto node, a macro node, or a neighboring femto node. In addition, statistics regarding such measurements may be communicated to the femto node for use in adjusting the power. The femto node may also adjust the power based on unsuccessful registration attempts or interference communications received at the femto node.

Abstract: An apparatus for transmitting data in a communication system supporting multi-carriers determines the priority of the multi-carriers and transmits information on the priority to a terminal. Thereafter, the transmitting apparatus allocates data to the multi-carriers in accordance with the priority and transmits the allocated data to a data receiving apparatus, and the data receiving apparatus receives data to be transmitted from the data transmitting apparatus in accordance with information on the priority.

Abstract: Methods and apparatus are provided for allowing a transmitter (Tx) to perform antenna selection independently of a receiver (Rx) in a transceiver supporting both transmit diversity and receive diversity. Certain aspects may utilize a cross switch, which may be used in a parallel or cross configuration, to provide for the independent antenna selection, such that the Rx may maintain the ability to operate on the same antenna as the Tx, on another antenna, or on both antennas for enhanced receive diversity. Furthermore, certain aspects may employ additional switching in the baseband domain in an effort to avoid, or at least reduce, switching glitches in the Rx caused by changing the cross switch configuration. In this manner, the Rx need not re-converge upon antenna switching.

Abstract: A radio-frequency device comprises magneto-dielectric elements. At least one of these elements comprises a composite thin film. This film comprises a magnetic material offering permeability above 10 at 1 GHz and a dielectric material offering permittivity above 10 at 1 GHz.

Abstract: A method and apparatus for reducing feedback transmission overhead in wireless communications. Averaging, compression, or both are used to reduce a number of bits needed for transmission of channel quality information.

Abstract: A data transmitter is provided for transmitting data that makes it possible for nodes, relaying the preamble transmitted by a transmitter node, to also transmit data to a single destination node without, in turn, transmitting another preamble. In a network comprising a plurality of nodes that alternately observe sleeping and waking periods in an asynchronous manner relative to each other, a node receives a first preamble that is transmitted by at least one transmitter node. The first preamble comprises at least one first set of information related to transmission, by the transmitter node, of a first data set to a destination node. The adjacent node transmits a second data set to the destination node or to another node from the transmission of the first data set.

Abstract: A communication device includes: a reception element for receiving a signal treated with a setting of a modulation scheme based on a modulation scheme designation information and a controlling of a transmission power based on the transmission power designation information by an external transmitter, demodulating the received signal based on a modulation scheme control information, and outputting a received data; a reception level measurement element for measuring a signal level of the signal and outputting the reception level; a designation information output element for outputting the transmission power designation information correlated to the modulation scheme designation information and the modulation scheme based on the reception level; and a transmission element for transmitting the modulation scheme designation information and the transmission power designation information for the transmitter.

Abstract: Aspects of the disclosure can provide a circuit to be used in a device. The circuit includes a first receiver circuit, a second receiver circuit and a processing circuit. The first receiver circuit is configured to receive a first signal from an antenna that captures a combination of a target signal transmitted from another device to the device and an output signal driven by a transmitter in the device. The second receiver circuit is configured to receive a second signal generated based on to the output signal. The processing circuit is configured to cancel from the first signal noise due to the output signal based on the second signal.

Abstract: The invention relates to a method 20 in an antenna array system 15 for calibration of an antenna apparatus 1. The method 20 comprises: estimating 21 coarse receive delays for the receive chains 51, . . . , 5n and coarse transmit delays for the transmit chains 61, . . . , 6n; adjusting 22 a timing of the receive chains 51, . . . , 5n based on the estimated coarse receive delays so that the receive chains 51, . . . , 5n align with the maximum coarse receive delay difference and adjusting a timing of the transmit chains 61, . . . , 6n based on the estimated coarse transmit delays so that the transmit chains 61, . . . , 6n align with the maximum coarse transmit delay difference; estimating 23 a fine delay and initial phase for the receive chains 51, . . . , 5n and the transmit chains 61, . . .

Abstract: Consideration of Quality of Service is taken into account during the establishment of a sleep cycle in a mobile station providing real-time services. Upon the mobile station's identification of a need for a real-time service to enter into sleep mode, a request conveying that need is sent to the base station. The base station replies with a start frame number and other sleep parameters. Thereafter the mobile station enters sleep mode comprising sleep intervals interleaved with listening intervals. To prevent transmission packets from being buffered at the mobile station for an excessive period of time due to attempts to transmit packets to the base station during a sleep interval, the length of the sleep interval is set so as not to exceed the maximum latency value reflecting the QoS of the real-time service negotiated during establishment of the real-time services.

Abstract: A system comprises a pulse generator 615 configured to provide a control pulse a transmission gate 603 configured to interrupt a path between a communication device 307 and an auxiliary device 303 during the control pulse; and a pulse transmitter 607 responsive to the control pulse and configured to inject an interrupt pulse in the path while the path is interrupted. A corresponding method of providing an interrupt signal in an audio path between a source and a sink includes interrupting an audio path between the source and the sink, injecting an interrupt pulse in the audio path while the audio path is interrupted, and then reconnecting the audio path.

Abstract: A direct conversion transmitter has a mixer stage to up-convert an input signal to the frequency of a local oscillator (LO). A DC offset circuit is coupled to an input signal port to apply a set of DC offset signal values. A processor determines a set of optimal DC offset signal values by no more than three differential spectral measurements made at the transmitter output port with a test signal applied at the input port. Optimal DC offset signal values are those that, when applied to the input signal at the input port of the transmitter, minimize an LO leakage component of the transmit signal at the output signal port of the transmitter. The optimal DC offset values are stored in memory and retrieved and applied to information bearing signals provided as the input signal once those optimal DC offset values have been determined.

Abstract: A method for use in an access point includes managing communication, based on an associated set of communication parameters, between a first client wireless transceiver and the packet switched backbone network, and between a second client wireless transceiver and the packet switched backbone network. A hidden terminal condition is identified, based on at least the attempt to detect transmissions from the second client wireless transceiver circuitry by the first client processing circuitry. At least one parameter of the associated set of communication parameters is altered to address the hidden terminal condition.

Abstract: Amplifiers with shunt switches to mitigate interference are disclosed. In an exemplary design, an apparatus includes an amplifier and a shunt switch. The amplifier has an input operatively coupled to an input/output (I/O) pad of an integrated circuit (IC) chip. The shunt switch grounds the amplifier when the shunt switch is closed. The shunt switch is isolated from the I/O pad and the amplifier input. The amplifier may be a low noise amplifier (LNA) or some other type of amplifier. In an exemplary design, the shunt switch is isolated from the I/O pad by a series switch. The series switch and the shunt switch may be closed when the amplifier is disabled and may be opened when the amplifier is enabled.

Abstract: A communication circuit includes a receiver path, a frequency translating loop filter and a signal source circuit. The frequency translating loop filter includes an auxiliary mixer, and a frequency translating filter backend circuit such as a filter. The signal source circuit can be shared with a transmitter path. When the receiver path receives an external signal, the auxiliary mixer and the frequency translating filter backend circuit perform high-frequency filtering. When the receiver path need not receive the external signal, the auxiliary mixer up-converts a low-frequency auxiliary signal provided by the signal source circuit to a high-frequency domain, and the up-converted signal is received by the receiver path. Thus, an operation parameter of the receiver path can be adjusted and calibrated according to a response of the receiver path.

Abstract: A wireless communications device includes multiple switchable antenna elements that may be used to improve interfacing of the wireless communications device with other devices, such as for interfacing of an RFID-equipped mobile communications device with other RFID devices (e.g., to better ensure power delivery to and/or communication with such other RFID devices) and/or may be used to characterize various aspects of the environment around the wireless communications device, such as for proximity-based functionality.

Abstract: A transceiver front-end for a communication device comprises a transmit frequency blocking arrangement and a receive frequency blocking arrangement. The transmit frequency blocking arrangement has a blocking frequency interval associated with the transmit frequency and a non-blocking frequency interval associated with the receive frequency, and is configured to block passage of transmit frequency signals between the signal transmission and reception arrangement and the receiver. The receive frequency blocking arrangement has a blocking frequency interval associated with the receive frequency and a non-blocking frequency interval associated with the transmit frequency, and is configured to block passage of receive frequency signals between the signal transmission and reception arrangement and the transmitter.

Abstract: A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric substrate formed within a board, for example, a printed circuit board. In another embodiment of the invention, the wave guide is formed within a die of an integrated circuit radio transceiver. A plurality of transceivers with different functionality is defined. Substrate transceivers are operable to transmit through the wave guides, while local transceivers are operable to produce very short range wireless transmissions through space. A third and final transceiver is a typical wireless transceiver for communication with remote (non-local to the device) transceivers.

Abstract: A method includes determining whether information is to be transmitted via a radio frequency (RF) bus that supports direct intra-device communication between at least three circuits in a millimeter wave frequency band. When the information is to be transmitted via the RF bus, the method determines whether the RF bus is available. When the RF bus is available, the information is converted into RF bus signal, access to the RF bus is secured, and after access to the RF bus is secured, the RF bus signal is transmitted via the RF bus.

Abstract: An apparatus and method are provided for transmitting data and control information in a wireless communication system. The method include determining if the control information is to be transmitted via a data channel; and if the control information is to be transmitted in the data channel, determining a number of symbols for coded control information in consideration of the data, generating the coded control information based on the number of symbols for the coded control information, generating coded data based on an MCS for the data, multiplexing the coded data and the coded control information, modulating the multiplexed coded control information and coded data by a modulation scheme, performing FT on the modulated coded control information and coded data, performing IFT on the FTed coded control information and coded data based on sub-carrier mapping, and transmitting the IFTed coded control information and coded data via the data channel.

Abstract: A single pole double throw (SPDT) switch is fabricated on an integrated circuit (IC) and may comprise two radio frequency (RF) switching devices each having a separate DC blocking capacitor coupled between respective RF switching devices and a common node. A DC connection is provided between the two RF switching devices with a thin electrically conductive line. This thin electrically conductive line provides for increased isolation between the two RF switching devices and decreased insertion loss. The increased isolation and/or decreased insertion loss is accomplished by tuning the thin electrically conductive line through the characteristic impedance of the line when impedance matching conditions are met. Undesired circuit resonance(s) in the SPDT switch may be substantially reduced by using two or more thin electrically conductive lines that further reduce the thin electrically line(s) inductance.

Abstract: A wireless communication device comprises a first antenna, a second antenna, a switch, and a balun. The first antenna and the second antenna transmit and receive signals. The wireless communication device can use only one antenna (the first antenna) or the two antennas (the first antenna and the second antenna) at the same time according to a comparison between received signal strength indications (RSSIs) of the antennas and a maximum input level of the wireless communication device.

Abstract: In accordance with an embodiment, a system has an audio amplifier configured to be coupled to a speaker coil port via a parallel resonant circuit, and a radio frequency (RF) amplifier configured to transmit a RF signal at a first RF transmission frequency. The speaker coil port is configured to be coupled to a speaker coil, and the parallel resonant circuit has a resonance frequency of about the first RF transmission frequency.

Abstract: A digital network for communication between a plurality of subscribers by means of streaming data comprises at least one subscriber that is a transmitter, and at least one subscriber that is a receiver. At least one transmitter is adapted to be activated, and then to feed streaming data in the form of broadcasts or multicasts into the network. Furthermore, at least one receiver is adapted to be activated, and then to select from the network streaming data that are compatible with its data formats, and to read the selected streaming data from the network.

Abstract: Described herein is a wireless transceiver and related method that enables ultra low power transmission and reception of wireless communications. In an example embodiment of the wireless transceiver, the wireless transceiver receives a first-reference signal having a first-reference frequency. The wireless transceiver then uses the first-reference signal to injection lock a local oscillator, which provides a set of oscillation signals each having an oscillation frequency that is equal to the first-reference frequency, and each having equally spaced phases. Then the wireless transceiver combines the set of oscillation signals into an output signal having an output frequency that is one of (i) a multiple of the first-reference frequency (in accordance with a transmitter implementation) or (ii) a difference of (a) a second-reference frequency of a second-reference signal and (b) a multiple of the first-reference frequency (in accordance with a receiver implementation).

Abstract: A first mobile device reports its current location in response to a message from a second computing device. The first mobile device extracts a source identifier and a location inquiry from the message and determines whether the source identifier and the location inquiry satisfy pre-determined conditions. If it is determined that the pre-determined conditions are satisfied, the first mobile device retrieves current location information from a location positioning module in the first mobile device and generates a message including the current location information. The first mobile device then sends the message to the second computing device. Upon receipt of the message, an instant messaging application of the second computing device is configured to visualize the first mobile device's location on a map application in accordance with the current location information extracted from the message.

Abstract: Digital spur reduction in which spurs are kept outside selected channels of interest. An integrated radiofrequency transceiver circuit has digital and analogue components, the circuit includes a radiofrequency signal receiver having a local oscillator signal generator configured to provide a local oscillator signal at a frequency fLO and a mixer configured to combine an input radiofrequency signal with the local oscillator signal to produce an intermediate frequency signal; and a clock signal generator configured to generate a digital clock signal at a frequency fDIG for operation of the digital components, where the local oscillator signal and/or a reference signal from which the local oscillator signal is derived are generated such that digital spurs lie outside a band selected by the receiver.

Abstract: A method, device, and system for communication signal transmission are provided, which relate to the field of communications, so as to improve reception performance of the network. The method includes dividing, by a multi-frequency receiver, Radio Frequency (RF) signals by frequency bands received from an antenna to obtain RF signals of different frequency bands; sending a first group of RF signals of a predetermined frequency band to an RF unit so that the RF unit converts the received first group of the RF signals of the predetermined frequency band into first baseband digital signals and sends the first baseband digital signals to a baseband processing unit; and converting a second group of the RF signals of the predetermined frequency band into second baseband digital signals and sending the second baseband digital signals to the baseband processing unit by using a digital baseband interface.

Abstract: A radio communication apparatus includes a baseband processing unit and a radio unit. The baseband processing unit transmits, to the radio unit, first data indicating a plurality of candidates for instructions corresponding to a plurality of values to be taken by the control information before obtaining the control information on radio communication. Furthermore, the baseband processing unit transmits, to the radio unit, second data for identifying the instruction corresponding to the value of the obtained control information of the plurality of candidates for instructions, after obtaining the control information. The radio unit performs processing in accordance with the instruction identified by the received second data of the plurality of candidates for instructions indicated by the received first data.

Abstract: A portable radio communication device is provided that receives communications on a primary channel and a secondary channel as part of a dual-watch mode of operation. The portable radio communication device detects a gesture associated with the portable radio communication device and identifies a channel from one of the primary channel and the secondary channel corresponding to the detected gesture. Further, the portable radio communication device associates controls of a user interface in the portable radio communication device to the identified channel for controlling one or more operational parameters pertaining to the identified channel during the dual-watch mode of operation.

Abstract: In accordance with some embodiments, the present disclosure relates to a dual mode control interface that can be used to provide both a radio frequency front end (RFFE) serial interface and a two-mode general purpose input/output (GPIO) interface within a single digital control interface die. In certain embodiments, the dual mode control interface, or digital control interface, can communicate with a power amplifier. Further, the dual mode control interface can be used to set the mode of the power amplifier.

Abstract: A data transmission method includes transmitting an encoded data signal in form of a data stream of data bursts between a transmitter and a receiver, making a decision as a function of at least one data transmission parameter as to whether an interference treatment o the data signal to be transmitted will be performed in the transmitter or in the reciver, performing the interference treatment in terms of at least on code in the transmitter, and performing ther interference treatment of the data to be transmitted in terms of at least one further code in the reciver.

Abstract: The present invention relates to a method for antenna mode switching from a first antenna mode to a second antenna mode in a multi-antenna port radio access node. In the first antenna mode, a set of logical antenna ports and its associated resource elements are mapped to a first set of physical antenna ports. Each physical antenna port comprises at least one power amplifier. The switching from first antenna mode to a second antenna mode is initiated upon receipt (31) of information triggering antenna mode switching at a first point of time (t1). During a time interval (?t) from the first point of time (t1) to a second point of time (t2), the logical antenna ports are re-mapped (33) to a second set of physical antenna ports.