[PDF] Top 20 U Patch Antenna using Variable Substrates for Wireless Communication Systems

... structures patch antennas are frequently now used in GPS transmitters and receivers and throughout modern communication ...miniaturaized patch antenna is presented using stack ...of ... See full document

... in communication between systems, radar systems, microwave high resolution imaging and other data transmission systems having higher ...monopole antenna is a type of radio ... See full document

... art antenna technology allows the use of different types and models of antennas, depending on the area of application ...of wireless communications, it is desirable to design small size, low profile and ... See full document

... of wireless communication systems have been rapidly ever growing demands for broadband service and transmission speeds to support multimedia, image, speech, and data ...an antenna should be ... See full document

... Micro-strip patch antenna is widely considered to be suitable for many wireless applications, even though it usually has a narrow bandwidth ...by using thick substrates, cutting slots ... See full document

... Microstrip antenna structures are most common option used to realize millimeter wava monolithic integrated circuits for microwave, radar and communication purposes ...[1]. Patch antennas play a very ... See full document

... microstrip antenna has a very narrow ...microstrip antenna and the slot loaded technique is deployed [16]. Using this technique, both the simulated and measured results give a bandwidth enhancement ... See full document

... ring patch antenna is theoretically investigated using the equivalent circuit ...ring patch with respect to feed ...the antenna at lower and higher ends are 134 ... See full document

... with wireless communications, the demand for bandwidth or transmission capacity has increased considerably, but there are still basic constraints of power and complexity of ...current communication ... See full document

... printed antenna structures and comprise of integrated radio system elements that are fabricated using inexpensive printed circuit techniques [1] ...conventional systems. The main disadvantage of ... See full document

... of antenna. A trade-off relationship exists between antenna size and bandwidth ...microstrip antenna and the size of the radiation patch can be similar to the following formulas ... See full document

... Signal design for good correlation for wireless communication, cryptography and radar.[r] ... See full document

... dual-band antenna is presented in this paper. The proposed antenna has a simple structure consisting of an octagonal slot, L-shape stub, and a two stepped rectangular ...proposed antenna is ... See full document

... resonance antenna is analysed by introducing L-shaped slot in a semi circular patch, different parametric studies have allows and the results in terms of return loss and radiation pattern are ...various ... See full document

... Cycles can be virtually removed by joining the variable nodes inside the cycle. If this is done for every cycle, the resulting graph becomes a tree. In this case, the message passing performed in the resulting ... See full document

... 4G wireless communication systems, bandwidth is a precious commodity, and service providers are continuously met with the challenge of accommodating more users within a limited allocated ...of ... See full document

... Orthogonal frequency Division multiplexing (OFDM) is the most familiar word in telecommunication and wireless communication systems as it provides enhanced spectral efficiency than Frequency division ... See full document

... The development of control systems for robot manipulators with redundant kinematics is still a demanding task [3, 4, and 11]. This task becomes even more challenging if the robots to be controlled operates in ... See full document

... fabricated using printed circuit ...an antenna ground plane, and its benefits are illustrated in two examples, a patch antenna, and suspended ... See full document

... superconducting patch presents resonances more efficient using the FR-4 as substrate, where the ressonance frequency is ...copper patch presents ...superconductor patch showed a bandwidth of ... See full document