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| Dec 4, 2009 |
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Standards >
Data Transmission Standards >
Modulation Techniques >
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ALSO CALLED:
Time Division Multiplexing,
Time Division Multiple Access,
TDM
DEFINITION: D-AMPS is now called Time Division Multiple Access/IS-136. D-AMPS (Digital-Advanced Mobile Phone Service), sometimes spelled DAMPS, is adigital version of AMPS (Advanced Mobile Phone Service), the original analog standard for cellular telephone phone service in the United States. Both D-AMPS and AMPS are now used in many countries. D-AMPS adds time division multiple access (TDMA) to AMPS to get
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Definition continues below.
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TDMA Reports
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10 Matches
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Application Acceleration for Satellite-Based Enterprise Services
sponsored by Blue Coat
WHITE PAPER:
This paper reviews the best of the newest achievements in VSAT performance and utility and shows how these solutions could become part of the mainstream of corporate network deployment and an integral portion of commercial (and competitive) service provider offerings.
Posted: 26 Jun 2009 | Published: 26 Jun 2009
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Bitpipe Research Guide: Wireless
sponsored by Bitpipe
RESOURCE CENTER:
Wireless technology is becoming an important component of most enterprises' IT infrastructure.
Posted: 30 Nov 2006 | Published: 30 Nov 2006
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Efficient Mobile Messaging: Why Windows Phones on Exchange Server is the Best Mix for Your Enterprise
sponsored by Microsoft
PODCAST:
In this second podcast in a series of three, Augusto Valdez of Microsoft discusses the new mobile messaging features of Exchange 2010. Specifically, Valdez highlights the ease of implementing mobile messaging with Exchange 2010 and how to secure and manage devices once they are deployed in an organization.
Posted: 20 Nov 2009 | Premiered: 20 Nov 2009
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Get Personal: Capitalize on Your Subscriber Data with a Unified User Profile
sponsored by Hewlett-Packard Company
WHITE PAPER:
This white paper discusses the role of user profile management. SPs’ efforts to manage, enrich, capitalize on, and provision user information across multiple databases are critical to fuel applications-led service initiatives.
Posted: 16 Sep 2009 | Published: 16 Sep 2009
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Intercepting Interference
sponsored by Motorola, Inc.
WHITE PAPER:
Motorola’s industry leading wireless broadband expertise helps to substantially reduce the effects of interference for point-to-multipoint wireless access and distribution networks in both licensed and unlicensed frequencies. This solution paper gives the details.
Posted: 25 Sep 2009 | Published: 25 Sep 2009
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IT Briefing: Managing the Mobile User -- Best Practices for Technology and People
sponsored by Orange Business Services
IT BRIEFING:
The purpose of this IT Briefing is to help you overcome some of the common hurdles of mobile management and implement a mobile strategy that will put your company where it needs to be, a mobile strategy that will follow all the issues that relate to IT going forward.
Posted: 22 Apr 2009 | Published: 22 Apr 2009
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Key Advantages of Leveraging Business Applications through Windows Phones and How to Secure Them
sponsored by Microsoft
PODCAST:
In this third podcast in a series of three, Augusto Valdez of Microsoft discusses the application advantages of Windows Mobile. Specifically, Valdez reviews what makes Windows phones a good platform for developing mobile applications, how to go about gaining access to applications for Windows phones and how to secure applications on mobile phones.
Posted: 20 Nov 2009 | Premiered: 20 Nov 2009
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Strategic Steps for Moving to LTE
sponsored by Alcatel-Lucent
VIDEO:
The growing success of mobile data services and the success of end user devices, such as the iPhone, are causing performance bottlenecks into our next generation mobile networks. This videocast takes a look at how LTE, the next generation of wireless networking, is dealing with these challenges while taking the user experience to the next level.
Posted: 24 Sep 2009 | Premiered: 24 Sep 2009
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What's new with Windows Phones
sponsored by Microsoft
PODCAST:
In this three-part series podcast, hear from an industry expert as he discusses what's new with Windows Phones. Uncover why Windows Phones on Exchange server is the best mix for your enterprise and key advantages of leveraging business applications through Windows Phones.
Posted: 20 Nov 2009 | Premiered: 20 Nov 2009
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Wireless Broadband: A Versatile and Reliable Network Alternative
sponsored by Motorola, Inc.
BROCHURE:
Read this brochure to learn why Motorola fixed wireless broadband solutions are a smart investment when balancing business needs with network performance and budget reality.
Posted: 19 Aug 2009 | Published: 19 Aug 2009
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TDMA DEFINITION (continued): … three channels for each AMPS channel, tripling the number of calls that can be handled on a channel. D-AMPS is Interim Standard-136 from the Electronics Industries Assocation/Telecommunication Industries Assocation (EIA/TIA).Like AMPS, D-AMPS uses frequency ranges within the 800 and 900 Megahertz (MHz) electromagnetic radiation spectrum. Each service provider can use half of the 824-849 MHz range for receiving signals from cellular phones and half the 869-894 MHz range for transmitting to cellular phones. The bands are divided into 30 kHz sub-bands, called channels. The receiving channels … TDMA definition sponsored by SearchMobileComputing.com, powered by WhatIs.com an online computer dictionary
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