نتایج جستجو برای: unit cell diversity
تعداد نتایج: 2200013 فیلتر نتایج به سال:
We propose a novel resource allocation scheme, which can reduce MAP overhead and maximize the throughput in the MIMO-OFDM systems. In the message based broadband access system, we need to minimize the MAP overhead since the excessive MAP overhead causes degradation of system throughput. Increasing the size of resource allocation unit can reduce MAP overhead. However, multiuser diversity gain be...
Auxetic material structures exhibit a negative Poisson ratio. The structure expands in the axial and transverse directions under tensile loading vice versa compression loading. Many fabricated designs for auxetic materials exist such as re-entrant hexagonal, chiral, arrowhead geometries. This paper studies unit cell of hexagonal geometry to understand how changing internal angle fillet radius a...
Background and purpose: Autologous hematopoietic stem cell transplantation may be one of the best treatment options for some patients with hematological malignancies. The process of stem cell homing in the bone marrow and the production and proliferation of denovo cell populations is called engraftment and could be considered as one of the key factors in the success of stem cell transplantation...
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