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Large Area Synchronized Code Division Multiple Access (LASCDMA)

Definition - What does Large Area Synchronized Code Division Multiple Access (LASCDMA) mean?

Large Area Synchronized Code Division Multiple Access (LAS-CDMA) is a technology developed by Link Air that provides an improved spectral efficiency and moving speed intended for superior mobile application support. In addition, its better throughput, smaller delay, and asymmetric traffic offer enhanced IP support.

At present, LAS-CDMA is considered the phase 2 of the 1xEV standards. A TDD variant of LAS-CDMA works with systems like TD-SCDMA. LAS-CDMA is the foremost illustration of a wireless technology that goes past the IMT-2000 requirements.

Techopedia explains Large Area Synchronized Code Division Multiple Access (LASCDMA)

LAS-CDMA is a cutting-edge technology that improves existing 3G CDMA technologies by enhancing their spectral efficiency at least three times. It will satisfy the bandwidth and requirements of operators in 3G's mature phases. Also, it is one of the leading candidates for Fourth Generation (4G) wireless systems.

LAS-CDMA characteristics:
  • Features the highest spectral efficiency associated with 2G or 3G technology, which ranges from .7 to 4.4 b/s/Hz
  • Enhanced for data services
  • It is backward compatible; therefore, it optimizes existing infrastructure investments by improving present Global Systems for Mobile (GSM) and CDMA-based schemes
  • It is considered an obvious option for future IP packet data systems
  • Data and voice support via same RF carrier
  • Great voice capacity with not less than three times (3X) boost over existing 3G standards
  • High-speed packet data of up to 5.5 Mbps on a duplex 1.25 MHz carrier
  • Progression from present-day 3G standards
  • Ideal choice for next generation wireless systems
  • It provides the first step in the direction of wireless standards' convergence

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