Vascular Dementia: Introduction. Vascular dementia is the second most common type of dementia after Alzheimer's disease. Vascular dementia is a neurodegenerative disorder of the brain in which there is cognitive decline and deficiencies in mental performance that generally occur in steps.
Basics of RF drive test/testing. RF Drive test/testing is the procedure to evaluate performance of wireless modem/system while driving(or in motion). The wireless modem or system may include any wireless standards such as GSM,WCDMA,HSPA,UMTS,LTE,WIMAX,WLAN etc.
However, mechanical RF systems do exist (see mechanical filter and RF MEMS). Although radio frequency is a rate of oscillation, the term radio frequency or its abbreviation RF are used as a synonym for radio â i.e., to describe the use of wireless communication, as opposed to communication via electric wires. Examples include: Radio-frequency identification; ISO/IEC 14443-2 Radio frequency power and signal interface