Abstract
We consider the real-time transmission of encoded video from distributed, uncoordinated wireless terminals to a central base station in a multi-code CDMA system. Our approach is to employ the recently proposed simultaneous MAC packet transmission (SMPT) approach at the data link layer (in conjunction with UDP at the transport layer). We consider the real-time transmission of both video encoded in an open loop (i.e., without rate control) and video encoded in a closed loop (i.e., with rate control). We conduct extensive simulations and study quantitatively the trade-off between video quality, transmission delay (and jitter), and number of supported video streams (capacity). We find that the simple-to-deploy SMPT approach achieves significantly higher video quality and smaller delays than the conventional sequential transmission approach, while ensuring high capacity. In typical scenarios, with SMPT the probability of in-time video frame delivery is more than twice as large as with sequential transmission (for given delay bounds). Our results provide guidelines for the design and dimensioning of cellular wireless systems as well as ad hoc wireless systems.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 100-110 |
| Number of pages | 11 |
| Journal | IEEE Wireless Communications |
| Volume | 9 |
| Issue number | 5 |
| DOIs | |
| State | Published - Oct 2002 |
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ASJC Scopus subject areas
- Media Technology
Cite this
Uncoordinated real-time video transmission in wireless multicode CDMA systems : An SMPT-based approach. / Fitzek, Frank; Reisslein, Martin; Wolisz, Adam.
In: IEEE Wireless Communications, Vol. 9, No. 5, 10.2002, p. 100-110.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Uncoordinated real-time video transmission in wireless multicode CDMA systems
T2 - An SMPT-based approach
AU - Fitzek, Frank
AU - Reisslein, Martin
AU - Wolisz, Adam
PY - 2002/10
Y1 - 2002/10
N2 - We consider the real-time transmission of encoded video from distributed, uncoordinated wireless terminals to a central base station in a multi-code CDMA system. Our approach is to employ the recently proposed simultaneous MAC packet transmission (SMPT) approach at the data link layer (in conjunction with UDP at the transport layer). We consider the real-time transmission of both video encoded in an open loop (i.e., without rate control) and video encoded in a closed loop (i.e., with rate control). We conduct extensive simulations and study quantitatively the trade-off between video quality, transmission delay (and jitter), and number of supported video streams (capacity). We find that the simple-to-deploy SMPT approach achieves significantly higher video quality and smaller delays than the conventional sequential transmission approach, while ensuring high capacity. In typical scenarios, with SMPT the probability of in-time video frame delivery is more than twice as large as with sequential transmission (for given delay bounds). Our results provide guidelines for the design and dimensioning of cellular wireless systems as well as ad hoc wireless systems.
AB - We consider the real-time transmission of encoded video from distributed, uncoordinated wireless terminals to a central base station in a multi-code CDMA system. Our approach is to employ the recently proposed simultaneous MAC packet transmission (SMPT) approach at the data link layer (in conjunction with UDP at the transport layer). We consider the real-time transmission of both video encoded in an open loop (i.e., without rate control) and video encoded in a closed loop (i.e., with rate control). We conduct extensive simulations and study quantitatively the trade-off between video quality, transmission delay (and jitter), and number of supported video streams (capacity). We find that the simple-to-deploy SMPT approach achieves significantly higher video quality and smaller delays than the conventional sequential transmission approach, while ensuring high capacity. In typical scenarios, with SMPT the probability of in-time video frame delivery is more than twice as large as with sequential transmission (for given delay bounds). Our results provide guidelines for the design and dimensioning of cellular wireless systems as well as ad hoc wireless systems.
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U2 - 10.1109/MWC.2002.1043860
DO - 10.1109/MWC.2002.1043860
M3 - Article
AN - SCOPUS:0036817995
VL - 9
SP - 100
EP - 110
JO - IEEE Wireless Communications
JF - IEEE Wireless Communications
SN - 1536-1284
IS - 5
ER -