Experimentation Description

0091-EX-PL-2003 Text Documents

AT&T; CORP.

2003-05-05ELS_61159

AT&T Corp.
FCC Form 442

Exhibit 2

This application requests an experimental authorization to enable AT&T Corp. (AT&T) to
engage in experiments to test RF equipment, RF propagation, new and developing technologies
and enhancements to existing technologies and services. The application proposes the use of a
variety of modulation techniques and power levels in the WCS and MDS bands. Depending on
the experiment in question, the tests may be conducted in numerous and varied locations, and
using resources from the multiple AT&T locations in the State of New Jersey, thereby
necessitating that the experimental license be granted for statewide use.

Specific components of the testing are expected to include procedures to:

(1) Correlate the actual performance of various systems with predictive software-based
algorithms using multiple temporary base locations to assess interference.

(2) Assess the effectiveness of various technologies and designs in providing high speed data,
Internet access and voice services to typical customer locations.

(3) Investigate the propagation performance at various frequencies and under a variety of
attenuation conditions using CW and swept frequency transmission techniques (sounding the
RF channels).

AT&T is constantly engaged in the process of developing and testing the suitability of
technologies for new services to ensure that innovative and competitive services can be
commercially deployed at the earliest time. In order to enable AT&T to engage in the
experimental testing required to bring new and innovative services to the public, AT&T submits
that grant of this application would serve the public interest, convenience and necessity.

Document Created: 2003-05-05 09:59:18
Document Modified: 2003-05-05 09:59:18

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