Focus on China's cable broadband: EPON dominates market GPON has made significant progress
According to iSuppli, following the first half of 2009 dedicated to expanding the size of 3G wireless users, Chinese telecom operators are now turning their attention…
Technical comparison between DS-UWB and WLAN
Introduction With the increasing popularity of wireless technology, people are increasingly demanding consumer electronics. According to demand, these devices can be divided into two major camps: (1) Indoor wireless …
Network equipment failure analysis
---- CRCError:
---- Meaning: indicates that there is a bad frame in data transmission. Bad frames will be discarded and retransmitted through high-level protocols.
---- Cause: Usually caused by cable or network hardw…
PHS network optimization analysis
Abstract: Network optimization is the key to PHS operation. This article discusses the issues of PHS network optimization including: coverage, capacity, handover, paging area settings, interference, synchronization and othe…
Address Resolution Protocol ARP
The address resolution protocol ARP is a broadcast protocol through which the host can dynamically discover the MAC layer address corresponding to a sp…
Word / word2003 failed to start last time, the solution to start in safe mode
This problem is actually easy to solve: The problem is that the bad word file causes the word template to be wrong.
Solutions for electronic enthusiasts:
Normal.dot is…
Camera tube structure diagram
The camera tube is composed of mesh electrode, target, focusing coil, deflection coil, and accelerating pole.
…
ApplicaTIons such as spread-spectrum communications, security, encryption and modems req…
Digital has become a very familiar term for people. Digital technology and digital products enable people to enjoy more and more conveniences. It is also becoming a part of our lives. With the travel and people's improvement of cultural life, the camera began to en…