Complexity-bounded power control in video transmission over a CDMA wireless network

Xiaoan Lu, David Goodman, Yao Wang, Elza Erkip

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this work, we consider a CDMA cell with multiple terminals transmitting video signals. The concept of a utility function is used to maximize the number of received picture frames with adequate quality per Joule of energy. For a reconstructed signal at the video decoder, the quality is controlled by the encoded bit rate, compression complexity as well as received signal-to-interference-noise ratio (SINR). In this work video quality is measured in peak signal-to-noise ratio (PSNR) rather than SINR. We find that for a given compression complexity, maximum utility is achieved when the product of bit rate and required SINR is minimized. This maximum usually occurs at maximum video coding complexity. We also investigate the capacity in terms of the number of users that can be supported simultaneously for this system, and how the total utility varies with the number of users in this system. This can be used as admission policy by the central station.

Original languageEnglish (US)
Title of host publicationGLOBECOM'04 - IEEE Global Telecommunications Conference
Pages4076-4080
Number of pages5
Volume6
StatePublished - 2004
EventGLOBECOM'04 - IEEE Global Telecommunications Conference - Dallas, TX, United States
Duration: Nov 29 2004Dec 3 2004

Other

OtherGLOBECOM'04 - IEEE Global Telecommunications Conference
CountryUnited States
CityDallas, TX
Period11/29/0412/3/04

Fingerprint

Power control
Code division multiple access
Wireless networks
Image coding
Signal to noise ratio

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Lu, X., Goodman, D., Wang, Y., & Erkip, E. (2004). Complexity-bounded power control in video transmission over a CDMA wireless network. In GLOBECOM'04 - IEEE Global Telecommunications Conference (Vol. 6, pp. 4076-4080). [WC42-3]

Complexity-bounded power control in video transmission over a CDMA wireless network. / Lu, Xiaoan; Goodman, David; Wang, Yao; Erkip, Elza.

GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 6 2004. p. 4076-4080 WC42-3.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lu, X, Goodman, D, Wang, Y & Erkip, E 2004, Complexity-bounded power control in video transmission over a CDMA wireless network. in GLOBECOM'04 - IEEE Global Telecommunications Conference. vol. 6, WC42-3, pp. 4076-4080, GLOBECOM'04 - IEEE Global Telecommunications Conference, Dallas, TX, United States, 11/29/04.
Lu X, Goodman D, Wang Y, Erkip E. Complexity-bounded power control in video transmission over a CDMA wireless network. In GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 6. 2004. p. 4076-4080. WC42-3
Lu, Xiaoan ; Goodman, David ; Wang, Yao ; Erkip, Elza. / Complexity-bounded power control in video transmission over a CDMA wireless network. GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 6 2004. pp. 4076-4080
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