Optical Code Division Multiple Access (OCDMA) systems represent a cutting‐edge approach to broadband communications, enabling simultaneous data transmission from multiple users over a single optical ...

APIC Corporation, Culver City, California, recently announced that it has received a U.S. Naval Air Systems Command Small Business Innovation Research Phase I contract to design an integrated optical ...

No audio available for this content. GLONASS satellites traditionally use L1 and L2 frequency division multiple access (FDMA) signals. FDMA is characterized by a different transmit frequency for each ...

Access methods are multiplexing techniques that provide communications services to multiple users in a single-bandwidth wired or wireless medium. Communications channels, whether they’re wireless ...

Wideband CDMA is a third-generation (3G) wireless standard which allows use of both voice and data and offers data speeds of up to 384 Kbps. The frequency bands for WCDMA are as follows: Europe and ...

Understanding the difference between Code Division Multiple Access (CDMA) and Global System for Mobiles (GSM) — two legacy radio telecommunications standards — is becoming less and less critical for ...

Unlike Verizon’s lineup of LTE Android smartphones, we just confirmed with the carrier that the new iPhone 5 would not support simultaneous voice and data over its LTE network. A Verizon spokesperson ...

YARMOUTH, Maine—AT&T will phase out its 2G networks by 2017, setting a long-anticipated timeline for the “sunset” of the technology and giving the alarm industry a target date to upgrade cellular ...

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