Opportunistic multicast scheduling for information streaming in cellular networks

Jung-Tsung Tsai, Rene L. Cruz

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We investigate opportunistic multicast scheduling schemes for sending a multicast stream in a wireless cell. We propose schemes that exploit both multiuser diversity and broadcast gains for efficient multicast, preserve the feature of synchronization of served information provided by conventional multicasting, and provide for receivers accepting sequential stream data. With knowledge of the expected sequence number (SN) of stream data and the feasible peak transmission rate for each group member, our scheme decouples the pairing of SN and rate and selects an expected SN and a peak rate that jointly maximize a utility function. Besides the amount of data accepted in one transmission, the function includes a force factor to push expected SNs to drift closely and another force factor to synchronize more expected SNs. Under i.i.d. channel conditions, we show that with the two factors to limit the diffusion of expected SNs, multicast throughput significantly increases and that without them our scheme degenerates into merely tapping multiuser diversity gain. Furthermore, we investigate optimal transmit power allocation subject to an average power constraint for multicast transmission. Results show that multicast throughput increases slightly for our scheme but substantially for traditional ones.

Original languageEnglish
Article number5751195
Pages (from-to)1776-1785
Number of pages10
JournalIEEE Transactions on Wireless Communications
Volume10
Issue number6
DOIs
Publication statusPublished - 2011 Jan 1

Fingerprint

Multicast
Cellular Networks
Streaming
Scheduling
Throughput
Multiuser Diversity
Multicasting
Data Streams
Synchronization
Diversity Gain
Power Allocation
Utility Function
Pairing
Broadcast
Receiver
Maximise
Cell

Keywords

  • Opportunistic multicast scheduling
  • broadcast gain
  • multiuser diversity
  • transmit power allocation

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Opportunistic multicast scheduling for information streaming in cellular networks. / Tsai, Jung-Tsung; Cruz, Rene L.

In: IEEE Transactions on Wireless Communications, Vol. 10, No. 6, 5751195, 01.01.2011, p. 1776-1785.

Research output: Contribution to journalArticle

@article{d4d012569b74400b85ab8b7f78798675,
title = "Opportunistic multicast scheduling for information streaming in cellular networks",
abstract = "We investigate opportunistic multicast scheduling schemes for sending a multicast stream in a wireless cell. We propose schemes that exploit both multiuser diversity and broadcast gains for efficient multicast, preserve the feature of synchronization of served information provided by conventional multicasting, and provide for receivers accepting sequential stream data. With knowledge of the expected sequence number (SN) of stream data and the feasible peak transmission rate for each group member, our scheme decouples the pairing of SN and rate and selects an expected SN and a peak rate that jointly maximize a utility function. Besides the amount of data accepted in one transmission, the function includes a force factor to push expected SNs to drift closely and another force factor to synchronize more expected SNs. Under i.i.d. channel conditions, we show that with the two factors to limit the diffusion of expected SNs, multicast throughput significantly increases and that without them our scheme degenerates into merely tapping multiuser diversity gain. Furthermore, we investigate optimal transmit power allocation subject to an average power constraint for multicast transmission. Results show that multicast throughput increases slightly for our scheme but substantially for traditional ones.",
keywords = "Opportunistic multicast scheduling, broadcast gain, multiuser diversity, transmit power allocation",
author = "Jung-Tsung Tsai and Cruz, {Rene L.}",
year = "2011",
month = "1",
day = "1",
doi = "10.1109/TWC.2011.040411.100517",
language = "English",
volume = "10",
pages = "1776--1785",
journal = "IEEE Transactions on Wireless Communications",
issn = "1536-1276",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "6",

}

TY - JOUR

T1 - Opportunistic multicast scheduling for information streaming in cellular networks

AU - Tsai, Jung-Tsung

AU - Cruz, Rene L.

PY - 2011/1/1

Y1 - 2011/1/1

N2 - We investigate opportunistic multicast scheduling schemes for sending a multicast stream in a wireless cell. We propose schemes that exploit both multiuser diversity and broadcast gains for efficient multicast, preserve the feature of synchronization of served information provided by conventional multicasting, and provide for receivers accepting sequential stream data. With knowledge of the expected sequence number (SN) of stream data and the feasible peak transmission rate for each group member, our scheme decouples the pairing of SN and rate and selects an expected SN and a peak rate that jointly maximize a utility function. Besides the amount of data accepted in one transmission, the function includes a force factor to push expected SNs to drift closely and another force factor to synchronize more expected SNs. Under i.i.d. channel conditions, we show that with the two factors to limit the diffusion of expected SNs, multicast throughput significantly increases and that without them our scheme degenerates into merely tapping multiuser diversity gain. Furthermore, we investigate optimal transmit power allocation subject to an average power constraint for multicast transmission. Results show that multicast throughput increases slightly for our scheme but substantially for traditional ones.

AB - We investigate opportunistic multicast scheduling schemes for sending a multicast stream in a wireless cell. We propose schemes that exploit both multiuser diversity and broadcast gains for efficient multicast, preserve the feature of synchronization of served information provided by conventional multicasting, and provide for receivers accepting sequential stream data. With knowledge of the expected sequence number (SN) of stream data and the feasible peak transmission rate for each group member, our scheme decouples the pairing of SN and rate and selects an expected SN and a peak rate that jointly maximize a utility function. Besides the amount of data accepted in one transmission, the function includes a force factor to push expected SNs to drift closely and another force factor to synchronize more expected SNs. Under i.i.d. channel conditions, we show that with the two factors to limit the diffusion of expected SNs, multicast throughput significantly increases and that without them our scheme degenerates into merely tapping multiuser diversity gain. Furthermore, we investigate optimal transmit power allocation subject to an average power constraint for multicast transmission. Results show that multicast throughput increases slightly for our scheme but substantially for traditional ones.

KW - Opportunistic multicast scheduling

KW - broadcast gain

KW - multiuser diversity

KW - transmit power allocation

UR - http://www.scopus.com/inward/record.url?scp=85027952508&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85027952508&partnerID=8YFLogxK

U2 - 10.1109/TWC.2011.040411.100517

DO - 10.1109/TWC.2011.040411.100517

M3 - Article

AN - SCOPUS:85027952508

VL - 10

SP - 1776

EP - 1785

JO - IEEE Transactions on Wireless Communications

JF - IEEE Transactions on Wireless Communications

SN - 1536-1276

IS - 6

M1 - 5751195

ER -