The pilot channel corresponds to the all zeros Walsh code (Walsh
channel 0), and contains the unmodulated quadrature PN spreading code. It is
transmitted at higher power than the user channels, and is provided so that each
subscriber within the cell can determine and react to the channel characteristics
while employing coherent detection
1. Their abbreviation meanings actually give light to the manner they optimize channels. TDMA is short for Time-Division Multiple Access while CDMA is for Code-Division Multiple Access. 2. TDMA emerged and was utilized first. CDMA is the more recent technology gradually replacing TDMA. 3. TDMA chops or divides the channel into sequential time portions as each user has its respective right turn for channel use. 4. CDMA uses a process called Spread Spectrum '" scattering of digital bits in pseudo-random manner and collecting them for interpretation. 5. CDMA allows numerous users to use the channel at the same time while TDMA does not.
Disney channel
A CDMA repeater is a device that extends the signal range for cell phone providers that use the CDMA technology. CDMA (Code Division Multiple Access) is one of the technologies cell phone companies use for their phone service. More information on CDMA is available here: http://en.wikipedia.org/wiki/CDMA
if Bell Mobility is a CDMA then yeah
Yes. The Iusacel company uses CDMA; the rest use GSM.
There is no such thing as a CDMA SIM card, since CDMA phones do not use SIM cards.
Expresso
No.
gsm
What network does sprint use? I know Verizon uses cdma network
No you cannot. Although there are some phones that support CDMA aswell as GSM.
No they use CDMA tec.