摘要:
The embodiments of the invention relate to a translation apparatus (TA1) for moving an object (OBJ) outside a housing (HS1) of the translation apparatus (TA1). The translation apparatus (TA1) contains the housing (HS1) forming a cavity (CAV1). The translation apparatus (TA1) further contains a first electrical contact surface (E1) and a second electrical contact surface (E2) inside the cavity (CAV1). The translation apparatus (TA1) even further contains an extensible material (EAP) filled into the cavity (CAV1) and in contact to the first electrical contact surface (E1) and to the second electrical contact surface (E2). The extensible material (EAP) is adapted to expand or to contract if a control voltage is applied to the first electrical contact surface (E1) and the second electrical contact surface (E2) and the translation apparatus (TA1) is adapted to expand or to contract in a linear direction (MD) by an expansion or by a contraction of the extensible material (EAP). The embodiments further relate to a translation system, which contains at least two translation apparatuses and to an RF component for mobile communication which contains at least one translation apparatus.
摘要:
The invention relates to a method of operating a base station (100) of a cellular communications network, wherein said method comprises the following steps: - determining (200) properties of at least one terminal (10a, 10b) that is capable of communicating with said base station (100), wherein said properties characterize at least one of: the communications capabilities of said terminal (10a, 10b), at least one physical parameter of said terminal (10a, 10b), - allocating (210) one or more communications resources to said terminal (10a, 10b) depending on said properties of said terminal (10a, 10b).
摘要:
The communication system (1) presented here comprises a base transceiver station (BTS) equipped with a scanning receiver (10) and an air interface, i.e. an antenna (AN). The scanning receiver (10) is configured for a scanning operation (SC) for scanning a broad RF communication frequency range of RF signals received through the antenna (AN), monitoring means (11) configured for monitoring the scanned RF communication frequency range, detecting means (12) for detecting actually occupied frequency resources (OR) and free, momentarily unused chunks (FR) of the scanned broad frequency range, scheduling means (13) for scheduling and allocating RF resources and occupying one or more of the detected unused chunks (FR) and adapting means (14) for adapting the communication from/to each terminal (T) on a dedicated standard and on at least one of the now occupied frequency chunks depending on a specific standard and capability of the terminal (T) and type of the communication service as desired by the user (U).
摘要:
A matching architecture for use in an amplifier arrangement (1) to amplify fragmented frequency slots comprises a number of RF signal input matching strip lines (ℓIN(f 1 ) and ℓIN(f 2 )) branching from a common RF signal input line (ℓ i ) and connected in common to an RF input terminal lug (TRL IN ) of a RF power transistor (TR). A first and second RF signal input matching strip line (ℓIN(f 1 ) and ℓIN(f 2 )) are each configured for impedance matching to a respective wavelength (λf 1 , λf 2 ) of a number of different wavelengths (λf 1 , λf 2 ) of the RF signal and are respectively coupled to at least one blocking means (C 11 , C 12 , C 21 , C 22 ), each with a length of λ/4 according to a wavelength (λf 2 , λf 1 ) of the RF signal not travelling through the respective RF signal input matching strip line (ℓOUT(f 1 ) and ℓOUT (f 2 )). At the output side the amplifier arrangement (1) further comprises a number of RF signal output matching strip lines (ℓOUT(f 1 ) and ℓOUT(f 2 )) being in common connected to an RF output terminal lug (TRL OUT ) of the RF power transistor (TR) and further respectively coupled to at least one blocking means (C 13 ,C 14 ;C 23 ,C 24 ) each with a length of λ/4 according to a wavelength (λf 2 , λf 1 ) of the RF signal not travelling through the respective output matching strip line (ℓOUT(f 1 ) and ℓOUT(f 2 )).
摘要:
The invention relates to a network element for a multiband mobile communications system, the network element comprising: a first set of transmission filters and a second set of reception filters, each filter having a stop band, a pass band around a carrier frequency, an input port, an output port, wherein each filter is designed for maximum reflection at the output port in the stop bands; a first set of quarter-wavelength transmission lines connecting the first set of transmission filters with a first connection point and a second set of quarter-wavelength transmission lines connecting the second set of reception filters with a second connection point. The network element further comprises: a first circulator with a first, a second and a third port, wherein the first port is coupled to the first connection point, and the third port is coupled to a first termination; a second circulator with a forth, a fifth and a sixth port, wherein the forth port is coupled to the second port of the first circulator, and the fifth port coupled to an antenna; a third circulator with a seventh, an eight and a ninth port, wherein the seventh port is coupled to the sixth port of the second circulator, the eight port is coupled to the second connection point and the ninth port coupled to a second termination.
摘要:
The invention relates to a reflector device (100) for microwaves, particularly for millimeter waves, comprising a plurality of reflector elements (102_1, 102_2, ..), wherein said reflector device (100) is configured to move at least one reflector element (102_1) of said plurality of reflector elements (102_1, 102_2, ..) with respect to at least one further reflector element (102_2) of said plurality of reflector elements (102_1, 102_2, ..).
摘要:
The present invention relates to power reduction within mobile or wireless network infrastructures. In accordance with a first aspect of the invention, a transceiver unit (21 1 ) forming part of a base station comprises an analog power amplifier (211) for amplifying a radio signal for further transmission over the air, and an amplifier control unit (201) configured to be coupled to a Radio Resource Management (RRM) unit (101) for managing radio resources of the transceiver unit, and further configured to control operation of the analog power amplifier according to RRM information (tx_activity, tx_pwr, tx_spectrum) supplied by the RRM unit. In accordance with another aspect of the invention, a RRM unit (101) for managing radio resources of a transceiver unit (21 1 ) is configured to be coupled to an amplifier control unit (201) of the transceiver unit, and is further configured to supply RRM information (tx_activity, tx_pwr, tx_spectrum) to the amplifier control unit for it to control operation of an analog power amplifier (211) of the transceiver unit.
摘要:
The present invention relates to a method for configuring a base station (10) of a mobile communication network over a software defined radio module (12), that base station (10) serving at least one mobile terminal (20, 30, 40) over an air interface (52, 53, 54) served by that software defined radio module. When selecting the communication standard for the configuration of the base station (10) the characteristics of the air interface (52, 53, 54) are taken into account. The invention also relates to a base station (10) of a mobile communication network, that base station (10) serving at least one mobile terminal (20, 30, 40) over an air interface (52, 53, 54), that base station (10) comprising a configurable software defined radio module (12). The configurable software defined radio module (12) is adapted to take into account the characteristics of the air interface (52, 53, 54) when selecting the communication standard for the configuration of the base station (10).
摘要:
Method of correcting a gain and phase imbalance of an analogue modulator (32) for multiple channels (CHi) of a multi-carrier transmission signal, the method comprising the steps of determining a gain imbalance correction factor (GCFi) and phase imbalance correction factor (PCFi) for each channel individually and applying said correction factors (GCFi, PCFi) to the corresponding channel (CHi) individually, before the multi-carrier synthesis of the channels is done, whereas step a) for each one of the multiple channels (CHi) is performed in a time-multiplexed manner with step a) for the other ones of the multiple channels (CHi).