EP1696503B1 - Mobiles drahtloses Kommunikationsgerät mit Mensch / Diversityantennen - Schnittstelle und zugehöriges Verfahren zum Betrieb eines derartigen Geräts - Google Patents

Mobiles drahtloses Kommunikationsgerät mit Mensch / Diversityantennen - Schnittstelle und zugehöriges Verfahren zum Betrieb eines derartigen Geräts Download PDF

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Publication number
EP1696503B1
EP1696503B1 EP05251173.0A EP05251173A EP1696503B1 EP 1696503 B1 EP1696503 B1 EP 1696503B1 EP 05251173 A EP05251173 A EP 05251173A EP 1696503 B1 EP1696503 B1 EP 1696503B1
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EP
European Patent Office
Prior art keywords
antennas
pair
antenna
portable handheld
handheld housing
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Active
Application number
EP05251173.0A
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English (en)
French (fr)
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EP1696503A1 (de
Inventor
Vitas Kezys
Yihong Qi
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BlackBerry Ltd
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BlackBerry Ltd
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Priority to EP05251173.0A priority Critical patent/EP1696503B1/de
Priority to CA002536427A priority patent/CA2536427C/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/245—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching

Definitions

  • the present invention relates to the field of communications systems, and, more particularly, to wireless communications systems and related methods.
  • One of the challenges of wireless communications is designing suitable antennas that can provide desired performance characteristics, yet are relatively small in size to fit within mobile devices. For example, with wireless devices such as mobile telephones, it is desirable to keep the overall size of the telephone as small as possible. Furthermore, internal antennas are generally preferred over external antennas, as externally mounted antennas take up more space and may be damaged while traveling, etc.
  • antenna designs have to be optimized for only a single position, e.g. one handheld scenario, or the antenna has to be designed to compromise between mulitple scenarios.
  • the antenna assembly includes two folded, U-shaped antennas, which may be dipoles or slot radiators, that are disposed orthogonally to one another to provide polarization diversity.
  • Polarization diversity means that signals are transmitted and received on two different polarizations to increase the likelihood that the signal is received.
  • Signals are carried to and from the antenna by microstrip feed lines.
  • the microstrip lines are placed off center along each antenna slot to establish an acceptable impedance match for the antenna, and the feed lines are coupled to the communications card by coaxial cables.
  • a receiving antenna is determined at reception from among transmitting/receiving antennas and on a per transmitting slot basis by way of the space diversity. Then, a determined result BRNC is output to a controller. The controller outputs a control signal to a logic circuit based on the determination result BRNC. The logic circuit outputs switching signals and corresponding to the control signal to an antenna switching section, which selects a transmitting antenna. It is possible to select an antenna whose receiving quality is better at reception as a transmitting antenna in the next transmitting slot. Switching between transmitting antennas is made on a per transmitting slot basis.
  • US2004198473 relates to a system and method for diversifying radiated electromagnetic communications in a wireless telephone device.
  • the method comprises: mounting antennas internal to a wireless telephone device chassis; sensing conducted electromagnetic transmission line signals communicated by the antennas; and, selecting between the antennas in response to sensing the transmission line signals.
  • sensing transmission line signals includes sensing transmission line signal power levels. For example, the transmission line signal power levels of transmitted signals reflected by the antennas are sensed.
  • sensing transmission line signals includes sensing the radiated signals received at the antennas and conducted on the transmission line. For example, the power levels of the radiated signals conducted on the transmission lines can be sensed. Alternately, the radiated are received and decoded. Then, the antenna supplying the transmission line signal with the fewest number of decoding errors is selected.
  • EP0752735 relates to an antenna system including several antennas which are attached to or integrated in the housing of the mobile telephone.
  • the high frequency power emitted from each antenna is individually controllable.
  • the antennas are pref. formed as planar antennas and the resistance of each antenna is measured by an impedance sensor.
  • the power emitted from each antenna is regulated by an associated damping element. Alternatively, the power may be regulated by associated switch unit is pref. provided to carry out all necessary measuring and control functions
  • WO03/050917 discloses an antenna arrangement which provides three dimensional spatial diversity, polarisation diversity and radiation pattern diversity for receiving and transmitting radio frequency signals for wireless local area network applications, for example a PCMCA card. Signals are received by two separate antennas and the two received signals can be summed to produce a stronger received signal or a selection process can determine which of the two antenna signals should be selected as an input to the receiver circuitry based on one or more predetermined received signal metrics.
  • US4584709 details an adaptable homotropic antenna system for use with a portable communication transceiver.
  • the antenna system can be used for reception or transmission and can be completely enclosed within the portable transceiver housing.
  • the homotropic antenna system evaluates the quality of a received signal and if the signal is below a predetermined threshold level, an alternate antenna will be selected. The antenna system will continue to sample the available antennas until an antenna produces a signal of acceptable quality.
  • WO 97/24818 details a diversity antenna system in a mobile unit which provides time, space and antenna pattern diversity to mitigate the effects of fading at a CDMA mobile unit.
  • the system is comprised of a diversity antenna and a main antenna.
  • the main antenna and diversity antenna are physically separated and oriented such that they have different antenna gain patterns.
  • US 2004/0240419 is directed to techniques for estimating signal-to-noise ratio (SNR) of signals received by a wireless communication device.
  • the techniques take advantage of spatial receive diversity in a wireless communication device to achieve accurate estimates of SNR.
  • a spatial projection wiener filter function can be applied to incoming symbol estimates to support efficient computation of SNR.
  • the estimated SNR can be used to produce power control commands for use in forward power control.
  • EP0987834 details spreading sections of a base station that spread respective distributed data using mutually orthogonal spreading codes and.
  • Despreading sections of a mobile station that despread the received signals using the same spreading codes as those used at the base station.
  • Demodulation sections demodulate the despread signals
  • received signal power measuring sections measure their received signal powers from the demodulation result
  • received signal power combination section combines the measured received signal powers and transmit power control section controls transmission power based on the combined received signal power.
  • EP1333576 details antenna elements provided on a linear line at regular intervals to be parallel to each other, that receive signals transmitted from a communicating partner, and output them to a receiving beam former.
  • phase shifters phase-shift the received signals input from the antenna elements of an even element number by PI .
  • a combiner adds up the received signals that are phase-shifted by n in phase shifters and the signals input from the antenna elements of an odd number, and thus so forms a received beam.
  • an adaptive antenna unit includes feeding antenna elements arranged so as to reduce spatial correlations thereof, parasitic antenna elements provided with respect to each of the feeding antenna elements and arranged so as to increase mutual coupling between a corresponding one of the feeding antenna elements, variable reactance elements each terminating a corresponding one of the parasitic antenna elements, and a control section.
  • the control section controls reactances of the reactance elements and controls weighting of the reception signals received by the feeding antenna elements, in response to the reception signals.
  • EP1280230 discloses a handheld device comprising two planar internal antenna elements which are parallel to the rear surface of said handheld device. The antennas are energized such that the energy is essentially radiated in a direction opposite to the direction directed to the human body.
  • EP1124391 and US6396439 both disclose a handheld device comprising a plurality of antennas.
  • the antenna elements and associated weights form an adaptive array.
  • the device is configured to set the weights such as to optimize the received signal strength.
  • EP0883206 discloses a handheld device comprising a phased planar array antenna.
  • the antenna array includes a plurality of dipole antenna elements.
  • the device To set the weights associated to the antenna elements, the device first determines the direction from which the received signal originates and then sets the weight such as to focus the energy in said direction.
  • a mobile wireless communication device according to claim 1 and a method for operating a mobile wireless communication device according to claim 11.
  • Optional features are set out in the dependent claims.
  • the mobile wireless communications device 21 illustratively includes a portable, handheld housing 24, and a wireless transceiver 25 carried by the portable, handheld housing.
  • the device 21 also illustratively includes an antenna assembly 26 for cooperating with the wireless transceiver 25 to communicate over the wireless network, as will be discussed further below.
  • the device 21 may be a PDA-type device in which the wireless transceiver and antenna assembly 26 cooperate to communicate various types of data, such as voice data, video data, text (e.g., email) data, Internet data, etc. over the wireless network.
  • the antenna assembly 26 may be used for placing telephone calls, in which case the device 21 may generally take the form or shape of a typical cellular telephone or a cellular-enabled PDA device, for example.
  • the antenna assembly 26 includes a plurality of antennas, preferably a pair of an antennas 30, 33 as illustrated.
  • the pair of antennas 30, 33 are positioned in side-by-side relation preferably in the upper portion of the portable handheld housing 24.
  • a human interface diversity controller 27 is connected to the wireless transceiver 25 to preferentially operate with the pair of antennas 30, 33 based upon a relative position of the portable handheld housing 24 with respect to a hand of a human user.
  • an internal antenna in a handheld device particularly those that can be held in various positions, such as by either, both or no hands, leads to the antenna environment being modified in different ways depending on how the user holds/positions the device. Accordingly, conventional antenna designs are optimized for only a single position, e.g. one handheld scenario, or the antenna is designed to compromise between mulitple scenarios.
  • the mobile wireless communications device 21 can select the best antenna, or weighted combination, based upon how the user is holding the device.
  • the antennas 30, 33 are designed to provide an overall high antenna system efficiency for the common user holding positions.
  • the figures respectively illustrate a user holding the device 21 in a right hand and a left hand. As can be seen, the user's hand may be directly adjacent one of antennas 30, 33 thereby affecting the performance of the antennas. Accordingly, the associated human interface diversity controller 27 will preferentially operate the pair of antennas 30, 33 to provide the better or stronger signal tranmsission/reception.
  • the human interface diversity controller 27 preferentially weights transmit signals, and/or switches at least one antenna on and at least one antenna off, for example, based upon received signal strength.
  • the plurality of antennas 30, 33 may be operable on a same frequency, have different polarizations, have different conductive patterns and/or have different frequencies for transmit and receive.
  • the portable handheld housing 24 preferably has opposing parallel front and back surfaces and the plurality of antennas 30,33 are arranged in side-by-side relation extending in a plane parallel to the front and back surfaces.
  • a display, user input device and an input/output transducer are carried by the portable handheld housing 24 and connected to the transceiver 25 as discussed below.
  • the transceiver 25 and the plurality of antennas are operable in a cellular wireless network 60 and/or a LAN wireless network.
  • the wireless LAN may operate in accordance with various wireless LAN standards, such as IEEE 802.11/802.1 lb or Bluetooth, for example, as will also be appreciated by those skilled in the art.
  • the antenna assembly 26 further details of an embodiment of the antenna assembly 26 will be described and illustratively include the first antenna 30 coupled to the transceiver 25 at a feed point 31 and having a first shape.
  • the antenna assembly 26 also illustratively includes the second antenna 33 coupled to the wireless transceiver 25 at a feed point 34.
  • the second antenna 33 has a second shape different from the first shape of the first antenna 30.
  • the polarizations of the first and second antennas 30, 33 may be orthogonal to one another to provide maximum polarization diversity, as will be appreciated by those skilled in the art. Of course, other arrangements may be possible in other embodiments.
  • the first and second antennas 30, 33 may advantageously be implemented as planar, printed conductive elements on a circuit board 36.
  • the circuit board may be mounted on the back side of the device 21 (i.e., the side pointing away from the user when holding the device to place a telephone call) at the top of the device (i.e., adjacent the end of the device with the ear speaker).
  • the first and second antennas 30, 33 are shown with hatching to provide greater clarity of illustration.
  • the first antenna 30 illustratively includes a feed branch 37 including the first feed point 31, a second feed point 38 which is connected to ground, and a feed section 39 connected between the first and second feed points.
  • the first antenna 30 further illustratively includes a loop branch 45 having a first end 46 coupled to the feed section 39 adjacent the first feed point 31.
  • a second end 47 of the loop branch 45 is spaced apart from the feed section 39 by a gap 48, and the second end is adjacent the second feed point 38.
  • a loop-back section 49 extends between the first and second ends 46, 47. More specifically, the loop-back section 49 generally loops in a clockwise direction from the first end 46 to the second end 47, as shown.
  • the first antenna 30 thus generally defines a dual feed point, open loop configuration. This configuration advantageously provides increased space savings (i.e., reduced antenna footprint), as will be appreciated by those skilled in the art.
  • the second antenna 33 also illustratively includes a feed branch defined by the feed point 34 and a feed section 50. Further, a loop branch having a first end 51 coupled to the feed section 50, a second end 52 adjacent the feed branch and separated therefrom by a gap 53, and a loop-back 54 section extending between the first and second ends.
  • the loop-back section 54 illustratively includes an arcuate portion 55.
  • the second antenna 33 thus defines a single feed point, open loop element configuration. Again, this provides space savings, and, thus, reduced antenna footprint.
  • first and second antennas 30, 33 may be altered in the first and second antennas 30, 33 to provide different signal characteristics.
  • the overall dimensions of the first and second antennas 30, 33 may be 2 to 3 cm high by 2 to 3 cm wide for each element, although other dimensions may also be used.
  • the antennas 30, 33 preferably operate over a wireless frequency range of about 2.4 to 2.5 GHz, for example, although other frequencies are also possible.
  • the coupling between the first and second antennas 30, 33 may also be adjusted to provide desired performance characteristics.
  • a preferred coupling distance or gap between the first and second antennas 30, 33 may be in a range of about 3 to 7 mm, although other gap distances may also be used as appropriate for different embodiments.
  • first and second antennas 30, 33 have different shapes, they will also have different gain patterns, and thus advantageously provide pattern diversity, as will be appreciated by those skilled in the art. Moreover, the first and second antennas 30, 33 are preferably tuned to have substantially equal main lobe gain for enhanced performance. Of course, it will be appreciated that other antenna element shapes or types may be used in addition to those noted above. Electromagnetic shielding may be placed over one or both sides of the circuit board 36 as necessary in certain applications, as will also be appreciated by those skilled in the art.
  • a method aspect of the invention may include controlling the wireless transceiver 25 to preferentially operate with the pair of antennas 30, 33 based upon a relative position of the portable handheld housing 24 with respect to a hand of a human user.
  • controlling the wireless transceiver 25 may include preferentially weighting transmit signals, and/or preferentially switching one antenna on and one antenna off for transmit signals. Additional method aspects will be appreciated by those skilled in the art from the foregoing description.
  • the device 1000 includes a housing 1200, a keyboard 1400 and an output device 1600.
  • the output device shown is a display 1600, which is preferably a full graphic LCD. Other types of output devices may alternatively be utilized.
  • a processing device 1800 is contained within the housing 1200 and is coupled between the keyboard 1400 and the display 1600. The processing device 1800 controls the operation of the display 1600, as well as the overall operation of the mobile device 1000, in response to actuation of keys on the keyboard 1400 by the user.
  • the housing 1200 may be elongated vertically, or may take on other sizes and shapes (including clamshell housing structures).
  • the keyboard may include a mode selection key, or other hardware or software for switching between text entry and telephony entry.
  • FIG. 4 In addition to the processing device 1800, other parts of the mobile device 1000 are shown schematically in FIG. 4 . These include a communications subsystem 1001; a short-range communications subsystem 1020; the keyboard 1400 and the display 1600, along with other input/output devices 1060, 1080, 1100 and 1120; as well as memory devices 1160, 1180 and various other device subsystems 1201.
  • the mobile device 1000 is preferably a two-way RF communications device having voice and data communications capabilities.
  • the mobile device 1000 preferably has the capability to communicate with other computer systems via the Internet.
  • Operating system software executed by the processing device 1800 is preferably stored in a persistent store, such as the flash memory 1160, but may be stored in other types of memory devices, such as a read only memory (ROM) or similar storage element.
  • system software, specific device applications, or parts thereof may be temporarily loaded into a volatile store, such as the random access memory (RAM) 1180. Communications signals received by the mobile device may also be stored in the RAM 1180.
  • the processing device 1800 in addition to its operating system functions, enables execution of software applications 1300A-1300N on the device 1000.
  • a predetermined set of applications that control basic device operations, such as data and voice communications 1300A and 1300B, may be installed on the device 1000 during manufacture.
  • a personal information manager (PIM) application may be installed during manufacture.
  • the PIM is preferably capable of organizing and managing data items, such as e-mail, calendar events, voice mails, appointments, and task items.
  • the PIM application is also preferably capable of sending and receiving data items via a wireless network 1401.
  • the PIM data items are seamlessly integrated, synchronized and updated via the wireless network 1401 with the device user's corresponding data items stored or associated with a host computer system.
  • the communications subsystem 1001 includes a receiver 1500, a transmitter 1520, and one or more antennas 1540 and 1560.
  • the antenna system can be designed so that when one antenna is covered by a hand, performance of one or more other antennas, including antenna gain and match, may not be degraded.
  • the communications subsystem 1001 also includes a processing module, such as a digital signal processor (DSP) 1580, and local oscillators (LOs) 1601.
  • DSP digital signal processor
  • LOs local oscillators
  • a mobile device 1000 may include a communications subsystem 1001 designed to operate with the MobitexTM, Data TACTM or General Packet Radio Service (GPRS) mobile data communications networks, and also designed to operate with any of a variety of voice communications networks, such as AMPS, TDMA, CDMA, PCS, GSM, etc. Other types of data and voice networks, both separate and integrated, may also be utilized with the mobile device 1000.
  • GPRS General Packet Radio Service
  • Network access requirements vary depending upon the type of communication system. For example, in the Mobitex and DataTAC networks, mobile devices are registered on the network using a unique personal identification number or PIN associated with each device. In GPRS networks, however, network access is associated with a subscriber or user of a device. A GPRS device therefore requires a subscriber identity module, commonly referred to as a SIM card, in order to operate on a GPRS network.
  • SIM card subscriber identity module
  • the mobile device 1000 may send and receive communications signals over the communication network 1401.
  • Signals received from the communications network 1401 by the antenna 1540 are routed to the receiver 1500, which provides for signal amplification, frequency down conversion, filtering, channel selection, etc., and may also provide analog to digital conversion. Analog-to-digital conversion of the received signal allows the DSP 1580 to perform more complex communications functions, such as demodulation and decoding.
  • signals to be transmitted to the network 1401 are processed (e.g. modulated and encoded) by the DSP 1580 and are then provided to the transmitter 1520 for digital to analog conversion, frequency up conversion, filtering, amplification and transmission to the communication network 1401 (or networks) via the antenna 1560.
  • the DSP 1580 provides for control of the receiver 1500 and the transmitter 1520. For example, gains applied to communications signals in the receiver 1500 and transmitter 1520 may be adaptively controlled through automatic gain control algorithms implemented in the DSP 1580.
  • a received signal such as a text message or web page download
  • the communications subsystem 1001 is input to the processing device 1800.
  • the received signal is then further processed by the processing device 1800 for an output to the display 1600, or alternatively to some other auxiliary I/O device 1060.
  • a device user may also compose data items, such as e-mail messages, using the keyboard 1400 and/or some other auxiliary I/O device 1060, such as a touchpad, a rocker switch, a thumb-wheel, or some other type of input device.
  • the composed data items may then be transmitted over the communications network 1401 via the communications subsystem 1001.
  • a voice communications mode In a voice communications mode, overall operation of the device is substantially similar to the data communications mode, except that received signals are output to a speaker 1100, and signals for transmission are generated by a microphone 1120.
  • Alternative voice or audio I/O subsystems such as a voice message recording subsystem, may also be implemented on the device 1000.
  • the display 1600 may also be utilized in voice communications mode, for example to display the identity of a calling party, the duration of a voice call, or other voice call related information.
  • the short-range communications subsystem enables communication between the mobile device 1000 and other proximate systems or devices, which need not necessarily be similar devices.
  • the short-range communications subsystem may include an infrared device and associated circuits and components, or a Bluetooth communications module to provide for communication with similarly-enabled systems and devices.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Transceivers (AREA)

Claims (11)

  1. Mobile drahtlose Kommunikationsvorrichtung, die Folgendes umfasst:
    ein tragbares, handgehaltenes Gehäuse (24), das gegenüberliegende parallele Vorder- und Rückflächen aufweist;
    einen drahtlosen Sende-Empfänger (25), der von dem tragbaren, handgehaltenen Gehäuse getragen wird;
    ein Paar interne Antennen (30, 33), das in einer Seite-an-Seite-Beziehung in dem tragbaren, handgehaltenen Gehäuse (24) positioniert ist, wobei jede der Antennen (30, 33) ein planares leitendes Element umfasst, das auf eine Leiterplatte (36) gedruckt ist, und das Paar von Antennen in einer Seite-an-Seite-Beziehung in einem oberen Abschnitt des tragbaren, handgehaltenen Gehäuses derart angeordnet ist, dass ihre planaren leitenden Elemente sich in einer Ebene erstrecken, die parallel zu der Vorder- und Rückfläche verläuft, und derart, dass eine Leitung, die sich innerhalb der Ebene, innerhalb der sich die planaren leitenden Elemente des Paares von Antennen erstreckt, befindet und die sich von einem unteren Abschnitt des tragbaren, handgehaltenen Gehäuses zu dessen oberen Abschnitt erstreckt, zwischen den einander zugewandten Seiten des Paars von Antennen liegt; und
    eine Anwenderschnittstelle-Diversitätssteuereinrichtung (27) zum Betreiben des Paares von Antennen (30, 33) basierend auf einer relativen Position des tragbaren, handgehaltenen Gehäuses bezüglich einer Hand eines menschlichen Anwenders, wobei die Anwenderschnittstelle-Diversitätssteuereinrichtung (27) mit dem drahtlosen Sende-Empfänger (25) verbunden ist, wobei die Anwenderschnittstelle-Diversitätssteuereinrichtung Sendesignale basierend auf empfangenen Signalstärken gewichtet.
  2. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, wobei das Paar von Antennen (30, 33) auf einer gleichen Frequenz betrieben werden kann.
  3. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, wobei jede Antenne das Paares von Antennen (30, 33) eine andere Polarisation aufweist.
  4. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, wobei jede Antenne das Paares von Antennen (30, 33) ein anderes leitendes Muster aufweist.
  5. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, wobei jede Antenne das Paares von Antennen (30, 33) eine andere Frequenz zum Senden und Empfangen aufweist.
  6. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, die ferner eine Anzeige (1600) umfasst, die von dem tragbaren, handgehaltenen Gehäuse (24) getragen wird und mit dem Sende-Empfänger (25) verbunden ist.
  7. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, die ferner mindestens eine Anwendereingabevorrichtung (1400) umfasst, die von dem tragbaren, handgehaltenen Gehäuse (24) getragen wird und mit dem Sende-Empfänger (25) verbunden ist.
  8. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, die ferner mindestens einen Eingabe/Ausgabe-Wandler umfasst, der von dem tragbaren, handgehaltenen Gehäuse (24) getragen wird und mit dem Sende-Empfänger (25) verbunden ist.
  9. Mobile drahtlose Kommunikationsvorrichtung nach Anspruch 1, wobei der Sende-Empfänger (25) und das Paar von Antennen (30, 33) in einem drahtlosen LAN-Netz und/oder einem drahtlosen Mobilfunknetz betrieben werden können.
  10. Verfahren zum Betreiben einer mobilen drahtlosen Kommunikationsvorrichtung, um verschiedene Anwenderschnittstellen zu berücksichtigen, wobei die mobile drahtlose Kommunikationsvorrichtung ein tragbares, handgehaltenes Gehäuse und darin einen drahtlosen Sende-Empfänger, und ein Paar von internen Antennen, die sich Seite-an-Seite in einem oberen Abschnitt des tragbaren, handgehaltenen Gehäuses befinden und mit dem drahtlosen Sende-Empfänger verbunden sind, aufweist, wobei jede der Antennen ein planares leitendes Element umfasst, das auf eine Leiterplatte gedruckt ist, und das tragbare, handgehaltene Gehäuse gegenüberliegende parallele Vorder- und Rückflächen aufweist, und das Paar von Antennen in Seite-an-Seite-Beziehung derart angeordnet ist, dass sich ihre planaren leitenden Elemente in einer Ebene erstrecken, die parallel zu der Vorder- und Rückfläche verläuft, und derart, dass eine Leitung, die sich innerhalb der Ebene, innerhalb der sich die planaren leitenden Elemente des Paars von Antennen erstreckt, befindet, und die sich von einem unteren Abschnitt des tragbaren, handgehaltenen Gehäuses zu dessen oberen Abschnitt erstreckt, zwischen den einander zugewandten Seiten des Paars von Antennen liegt, wobei das Verfahren Folgendes umfasst:
    Steuern des drahtlose Sende-Empfängers, um das Paar von Antennen basierend auf einer relativen Position des tragbaren, handgehaltenen Gehäuses bezüglich einer Hand eines menschlichen Anwenders durch das Gewichten von Sendesignalen basierend auf der empfangenen Signalstärke, zu betreiben.
  11. Verfahren nach Anspruch 10, wobei jede Antenne das Paares von Antennen ein anderes leitendes Muster aufweist.
EP05251173.0A 2005-02-28 2005-02-28 Mobiles drahtloses Kommunikationsgerät mit Mensch / Diversityantennen - Schnittstelle und zugehöriges Verfahren zum Betrieb eines derartigen Geräts Active EP1696503B1 (de)

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US20100302119A1 (en) * 2009-05-26 2010-12-02 Sony Ericsson Mobile Communications Ab Antenna Arrangement
US10122399B2 (en) 2015-03-10 2018-11-06 Mediatek Inc. Antenna ground and feed swapping in handheld applications
EP3211801A1 (de) * 2016-02-24 2017-08-30 MediaTek Inc. Antennenmasse- und -zuleitungsaustausch in tragbaren anwendungen
KR102526543B1 (ko) * 2018-09-10 2023-04-28 삼성전자주식회사 안테나 모듈을 포함하는 전자 장치
CN112956240B (zh) * 2019-09-09 2023-05-05 华为技术有限公司 天线切换方法及装置

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CA2536427A1 (en) 2006-06-03
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