When we talk about GSM Rf planning then first thing into mind is Link Budget,here i write about why link Budget analysis in GSM Link budget analysis provides: Coverage design thresholds EIRP needed to balance the path Maximum allowable path loss It is important that the uplink and downlink paths be balanced, otherwise not enough … Read more
Here I write down some passive characteristics definition for antenna which include Port Isolation, Power capacity, Input Port of Antenna, Passive Intermodulation (PIM) and Dimensions and Weight of Antenna. For multi-port antennas, such as dual polarization antenna and dual band dual polarization antenna, the isolation must exceed 30 dB when the Rx port is the … Read more
Understanding the current subscriber behavior and trends is a valuable guide for a product manufacturer and operator of the capital investment. In this post a few key observations will be shared via the Internet and existing wireless high speed data transfer. The first observation is: 1. Increased bandwidth translates into more demanding users. This is not … Read more