ITTC Project

CDMA Capacity Assessment for Personal Wireless Communications

Project Award Date: 10-09-1995


The project assesses the capacity of a cellular personal communications system using code-division-multipe-access (CDMA). With a multiple user CDMA system where all the users have the same data rate, the same activity factor, and the same fidelity requirement, and where perfect power control is employed for users talking to the cellular base station, the formulas for computing the maximum number of CDMA users that can be accommodated in a given bandwidth have been found. However, the case with different classes of users - differentiated by their individual data rate, activity factor, and fidelity requirement - had not. This project is developing a methodology for predicting the allowable number of users of each class. Such an analysis is important for considering the mixing of voice and data users in a wireless system.


Faculty Investigator(s): James Roberts (PI), Victor Frost, Glenn Prescott, Sam Shanmugan

Project Sponsors

Primary Sponsor(s): Sprint

Partner with ITTC

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ITTC assistance includes initial free consulting (normally one to five hours). If additional support is needed, ITTC will offer one of the following approaches: 

Sponsored Research Agreement

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Licensing and Royalty/Equity Agreement

An ITTC goal is the development of investment-grade technologies for transfer to, and marketing by, local, Kansas, and national businesses. To enhance this process, the Center has developed flexible policies that allow for licensing, royalty, and equity arrangements to meet both the needs of ITTC and the company.

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Companies with a technology need that can be satisfied with ITTC's resources can look to us for assistance. We can develop a relationship with interested partners that will provide for the development of a technology suited for commercialization.

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ITTC resources, including computers and software systems, may be made available to Kansas companies in accordance with the Center's mission and applicable Regents and University policies.

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