 | Code-division multiple access (redirect from CDMA) Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access... 35 KB (4,742 words) - 18:54, 23 February 2024 |
for networks based on the competing cdmaOne technology. UMTS uses wideband code-division multiple access (W-CDMA) radio access technology to offer greater... 68 KB (8,802 words) - 17:02, 23 April 2024 |
 | developed by 3GPP2 as a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America and South... 8 KB (752 words) - 15:19, 25 April 2024 |
 | Comparison of mobile phone standards (redirect from Gsm vs cdma) uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM. Time-division multiple access (TDMA) provides... 14 KB (1,392 words) - 06:09, 21 December 2023 |
 | Qualcomm (section Wireless CDMA) 1985 by Irwin Jacobs and six other co-founders. Its early research into CDMA wireless cell phone technology was funded by selling a two-way mobile digital... 154 KB (12,403 words) - 20:01, 26 April 2024 |
MC-CDMA may stand for: Multi-carrier code-division multiple access, a multiple access technology used in telecommunication systems based on OFDM. A variant... 365 bytes (84 words) - 16:59, 10 July 2021 |
(PN) code sequence used in direct-sequence code-division multiple access (CDMA) channel access techniques. In a binary direct-sequence system, each chip... 2 KB (280 words) - 18:54, 23 February 2024 |
 | first digital cellular technology that used code-division multiple access (CDMA). It was developed by Qualcomm and later adopted as a standard by the Telecommunications... 13 KB (1,974 words) - 07:06, 26 July 2023 |
CDMA frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of cdmaOne and CDMA2000 mobile phones and... 4 KB (179 words) - 10:12, 4 November 2023 |
 | Cricket Wireless (section CDMA phones) AT&T, Cricket's CDMA network used its home network and roaming agreements with Sprint, among other CDMA carriers. However, Cricket's CDMA network was shut... 20 KB (1,892 words) - 13:02, 26 February 2024 |
| Direct-sequence spread spectrum (redirect from DS-CDMA) practical and effective uses of DSSS include the code-division multiple access (CDMA) method, the IEEE 802.11b specification used in Wi-Fi networks, and the Global... 6 KB (690 words) - 14:48, 30 July 2023 |
done. Since 2008, new CDMA signals are being researched for use with GLONASS. The interface control documents for GLONASS CDMA signals was published in... 72 KB (6,222 words) - 03:09, 23 April 2024 |
 | time-division multiple access (TDMA, used by GSM) and code-division multiple access (CDMA, first used for PCS, and the basis of 3G) were developed. With FDMA, the... 36 KB (4,608 words) - 07:33, 28 April 2024 |
[citation needed] In North America, Digital AMPS (IS-54 and IS-136) and cdmaOne (IS-95) were dominant, but GSM was also used.[citation needed] In Japan... 46 KB (2,920 words) - 20:23, 25 April 2024 |
A CDMA subscriber identity module (CSIM) is an application to support CDMA2000 phones that runs on a UICC, with a file structure derived from the R-UIM... 4 KB (415 words) - 19:46, 19 November 2020 |
CDMA spectral efficiency refers to the system spectral efficiency in bit/s/Hz/site or Erlang/MHz/site that can be achieved in a certain CDMA based wireless... 13 KB (1,829 words) - 02:02, 26 April 2024 |
 | CDMA network even before December 31, 2022, even if the device supported CDMA (for instance, unlocked devices with support for Sprint or Chinese CDMA... 14 KB (1,610 words) - 07:11, 27 April 2024 |
providers support either CDMA or GSM; both are being supplanted by UMTS. Telus shut down its CDMA in mid-2015; Bell Mobility's CDMA network, the country's... 8 KB (660 words) - 04:48, 29 January 2024 |
 | IPhone 4 (redirect from IPhone 4 (CDMA)) FaceTime video chat service, and the first to be released in a version for CDMA networks, ending AT&T's period as the exclusive carrier of iPhone products... 83 KB (7,278 words) - 08:41, 5 April 2024 |
 | although some GSM sites can be retrofitted to broadcast in the UMTS/W-CDMA format. W-CDMA is the most common deployment, commonly operated on the 2,100 MHz... 93 KB (7,358 words) - 16:18, 24 April 2024 |
| Frequency-hopping spread spectrum (redirect from Frequency-hopping CDMA) to prevent eavesdropping, and to enable code-division multiple access (CDMA) communications. The frequency band is divided into smaller sub-bands. Signals... 15 KB (1,866 words) - 20:26, 24 April 2024 |
 | card developed for cdmaOne/CDMA2000 ("CDMA") handsets that extends the GSM SIM card to CDMA phones and networks. To work in CDMA networks, the R-UIM... 3 KB (313 words) - 08:06, 9 February 2024 |
"CIS". Halberd Bastion. Retrieved 2020-05-14. "Market Opportunities for CDMA 450" (PDF). CDG. 6 June 2006. Retrieved 13 May 2015. "Nar launches 4G LTE... 119 KB (1,660 words) - 15:57, 19 April 2024 |
UMTS frequency bands (redirect from W-CDMA 900) frequencies GSM frequency bands LTE frequency bands 5G NR frequency bands CDMA frequency bands Mobile network code Roaming United States 2008 wireless spectrum... 16 KB (489 words) - 19:35, 28 September 2023 |
Dual-mode mobile (redirect from Cdma gsm) data. These phones include combination of GSM and CDMA technology. They can be used as a GSM or CDMA phone according to the user's preference. These handsets... 3 KB (424 words) - 01:26, 7 April 2024 |
GLOBAL PASSPORT GSM & CDMA. URBANO BARONE - Designed for active elderly with large keypad function. It supports GLOBAL PASSPORT CDMA. BRAVIA Phone U1 - The... 62 KB (2,961 words) - 23:21, 8 March 2024 |
services (PDC, J-CDMA, UMTS) 080 Mobile telephony and data services (PDC, J-CDMA, UMTS) 090 Mobile telephony and data services (PDC, J-CDMA, UMTS) 0910 Private... 11 KB (1,015 words) - 02:08, 29 December 2023 |
 | Motorola StarTAC (section CDMA/TDMA models) TDMA and CDMA models obsolete. Carriers such as U.S. Cellular still operate a compatible CDMA network. However, they will no longer activate CDMA StarTACs... 24 KB (2,996 words) - 17:18, 24 April 2024 |
 | Motorola Razr V3 (section MS500 (W-CDMA)) appearance but instead of using the GSM standard, it used CDMA to operate on SK Telecom. It was the first CDMA version of the Razr without expandable memory, Bluetooth... 34 KB (3,975 words) - 02:48, 26 April 2024 |
PSTN lines, more than 5 million GSM cellular phones and more than a million CDMA phone lines as of July 2011. According to recent[when?] data, there are about... 14 KB (1,197 words) - 22:20, 23 April 2024 |