Creative 2030 manual Direct Sequence Spread Spectrum Dsss

Broadband

Cable modem

Channel

Client

dBm

Domain Name System (DNS)

DNS Server

Domain Name

Direct Sequence Spread Spectrum (DSSS)

A transmission media that can handle the transmission of multiple messages, at different frequencies at one time. Broadband signals use analog carriers.

A modem that sends and receives digital data on the same cable that brings television broadcast signals to your home.

A channel is a separate path through which signals can flow.

A computer that accesses shared network resources provided by another computer (called a server) on a local area network or the Internet.

Power level in decibels relative to 1 mW.

This system allows you to specify a symbolic name, a meaningful and easy-to- remember “handle,” instead of an Internet Protocol (IP) address. The DNS is the way Internet domain names are located and translated into IP addresses.

A server that contains both the English and numerical addresses of all computers connected to the Internet. When you specify an e-mail or IP address using the “English” domain name, the DNS server will return the corresponding numeric address.

The Internet address or the URL of a web site.

Direct Sequence Spread Spectrum — A digital modulation technique that spreads data transmissions across the entire available frequency band in a pre-arranged scheme. Under DSSS, each bit of data to be transmitted is encoded with a redundant

Glossary D-2