Chao et al., 2013 - Google Patents

An enhanced proportional fair scheduling algorithm to maximize QoS traffic in downlink OFDMA systems

Chao et al., 2013

Document ID: 168470272486564938
Author: Chao I; Chiou C
Publication year: 2013
Publication venue: 2013 IEEE Wireless Communications and Networking Conference (WCNC)

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OFDMA-based networks have been considered to be a promising solution to wireless networks especially for broadband multimedia mobile services. In this paper, we propose an enhanced proportional fair (E-PF) scheduling algorithm, which aims at maximizing QoS …

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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATIONS NETWORKS
- H04W72/00—Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
- H04W72/12—Dynamic Wireless traffic scheduling; Dynamically scheduled allocation on shared channel
- H04W72/1205—Schedule definition, set-up or creation
- H04W72/1247—Schedule definition, set-up or creation based on priority of the information source or recipient
- H—ELECTRICITY
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- H04W72/12—Dynamic Wireless traffic scheduling; Dynamically scheduled allocation on shared channel
- H04W72/1205—Schedule definition, set-up or creation
- H04W72/1226—Schedule definition, set-up or creation based on channel quality criteria, e.g. channel state dependent scheduling
- H—ELECTRICITY
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- H04W72/0406—Wireless resource allocation involving control information exchange between nodes
- H—ELECTRICITY
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- H04W72/048—Wireless resource allocation where an allocation plan is defined based on terminal or device properties
- H—ELECTRICITY
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- H04W72/1278—Transmission of control information for scheduling
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication

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