Now showing items 1-17 of 17

  • Advances in antenna technology for wireless handheld devices 

    Anguera Pros, Jaume; Andújar Linares, Aurora; Huynh, Minh-Chau; Orlenius, Charlie; Picher, Cristina; Puente Baliarda, Carles (2013)
    Article
    Open Access
    The constant evolution of wireless handheld devices together with the apparition of multiple wireless communication systems fosters the antenna community to design new radiating and measurements systems capable of satisfying ...
  • A mechanism to electrically enlarge the ground plane of handset antennas: A bandwidth enhancement technique 

    Anguera, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles (2011-07)
    Article
    Restricted access - publisher's policy
    There is a need of developing new techniques for enhancing the bandwidth of handset antennas without increasing the antenna volume in order to incorporate more frequency bands into the cell phones. The technique to enhance ...
  • Análisis del comportamiento de antenas móviles multibanda en presencia del cuerpo humano 

    Risco, S.; Anguera Pros, Jaume; Andújar Linares, Aurora; Picher, Cristina; Puente Baliarda, Carles (Unión Científica Internacional de Radio (URSI), 2009)
    Conference report
    Open Access
    The great majority of wireless devices are used close to the human head. These changes the antenna performance compared to free space situation. The human head absorbs an amount of power from the antenna radiation. In ...
  • Analysis of a multiband monopole handset antenna combined with a slotted ground plane 

    Picher, C.; Anguera Pros, Jaume; Bujalance, A.; Andújar Linares, Aurora; Puente Baliarda, Carles (2013-01-01)
    Article
    Restricted access - publisher's policy
    The ground plane of a handset device plays an important role in the radiation process. As a consequence, through a ground plane modification, it is possible to obtain a multiband performance while keeping small antenna ...
  • Analysis of a multiband monopole handset antenna combined with a slotted ground plane. 

    Picher, Cristina; Anguera Pros, Jaume; Bujalance Jurado, Adrián; Andújar Linares, Aurora; Puente Baliarda, Carles (2013-01-01)
    Article
    Restricted access - publisher's policy
    The ground plane of a handset device plays an importants role in radiations process. As a consequence, thorugh a ground plane modification, it is possible to obtain a multiband performance while keeping small antenna dimensions.
  • Analysis of the specific absorption rate in handset antennas with slotted ground planes 

    Picher, Cristina; Anguera Pros, Jaume; Puente Baliarda, Carles; Kahng, Sungtek; Andújar Linares, Aurora (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Conference report
    Open Access
    The study of the interaction between human head and handset antennas should be taken into account since all the mobile phones have to guarantee a biological compatibility. This research analyzes several antennas with ...
  • A systematic method to design broadband matching networks 

    Andújar Linares, Aurora; Anguera Pros, Jaume; Puente Baliarda, Carles (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Conference report
    Open Access
    The narrow bandwidth (BW) associated to small antennas featured by a high quality factor (Q) can be enhanced by the addition of a matching network. However, the impedance matching is a difficult and time-consuming process ...
  • Auto-tuning of RRM parameters in UMTS networks. Feasibility study. 

    Andújar Linares, Aurora (Universitat Politècnica de Catalunya, 2007-11-22)
    Master thesis
    Open Access
    The present PFC is located inside the framework of the UMTS networks, and more specifically in the development of new Radio Resource Management (RRM) algorithms capable to maximize the capacity and the performance of the ...
  • Compact multiband antenna system for smartphone platforms 

    Anguera Pros, Jaume; Picher, Cristina; Andújar Linares, Aurora; Puente Baliarda, Carles; Kahng, Sungtek (2013)
    Conference report
    Restricted access - publisher's policy
    Smartphone are gainin interest due to its multifunctional capabilities. In order to facilitate the integration of an antenna system, a compact radiating system comprising non-resonant cubic elements radiating to provide ...
  • Concentrated ground plane booster antenna technology for multiband operation in handset devices 

    Picher, Cristina; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles; Bujalance Jurado, Adrián (2014-12-01)
    Article
    Open Access
    The current demand in the handset antenna field requires multiband antennas due to the existence of multiple communication standards and the emergence of new ones. At the same time, antennas with reduced dimensions are ...
  • Conformación del diagrama de radiación de un monopolo en L 

    Andújar Linares, Aurora; Anguera Pros, Jaume; Puente Baliarda, Carles; Picher, Cristina (Unión Científica Internacional de Radio (URSI), 2009)
    Conference report
    Open Access
    The typical radiation pattern of an L-monopole antenna can be easily modified by changing the geometrical characteristics of the structure. To shape a specific radiation pattern through a basic structure becomes an interesting ...
  • Diseño de una antena multibanda con ranuras en el plano de masa: una técnica para facilitar la integración de la línea de alimentación 

    Picher, Cristina; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles; Risco, Sergi; Kahng, Sungtek (Unión Científica Internacional de Radio (URSI), 2009)
    Conference report
    Open Access
    The integration of transmission lines is a difficult task due to the presence of slots. In order to facilitate the integration of the feeding transmission line which connects the antenna with the RF-module, this research ...
  • Ground plane booster antenna technology for wireless handheld devices 

    Andújar Linares, Aurora (Universitat Politècnica de Catalunya, 2013-10-04)
    Doctoral thesis
    Open Access
    This thesis is framed in the field of mobile communications and more particularly in handset antennas. The wireless industry is constantly growing, which entails challenging handset antenna specifications. Handset antennas ...
  • Handset antenna array to mitigate the finger loading effect 

    Anguera Pros, Jaume; Andújar Linares, Aurora; Cobo, Yolanda; Picher, C.; Puente Baliarda, Carles (2011)
    Conference report
    Restricted access - publisher's policy
    The effect of the human hand over the electromagnetic behavior of handset antennas is an important aspect that should be taken into account. In this r egard, the finger loading is a critical issue since it may det une ...
  • Influence of handset components into the behavior of a handset antenna in a slotted ground plane 

    Bujalance Jurado, Adrián; Picher, Cristina; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles (2013-08)
    Article
    Restricted access - publisher's policy
    The influence of handset components needs to be analyced in order to optimize the integration of the antenna into a handset device.
  • Reuse of the mobile communication antenna for FM reception 

    Picher, C.; Andújar Linares, Aurora; Anguera Pros, Jaume; Borja, C.; Puente Baliarda, Carles; Kahng, Sungtek (2011)
    Conference report
    Restricted access - publisher's policy
    A conventional monopole antenna (λ/4) operating a t FM frequencies is too long for being integrated in a mobile phone. In order to avoid big external antennas or u sing the wire of the headsets, a new solution is ...
  • The Hilbert monopole revisited 

    Sanz, Ivan; Anguera Pros, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles; Borja, C. (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Conference report
    Open Access
    A comparison between the resonant performance of the third iteration Hilbert monopole and a spiral shaped one of the same size and resonant frequency is presented. Quality factor, bandwidth, efficiency and radiation patterns ...