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.
Radio-frequency identification. Small RFID chips, here compared to a grain of rice, are incorporated in consumer products, and implanted in pets, for identification purposes. Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information. Passive tags collect energy from a nearby RFID reader's interrogating radio waves.