A Unified Approach to QoS-Guaranteed Scheduling for Channel-Adaptive Wireless Networks

Wang, Xin; Giannakis, Georgios B.; Marqués, Antonio G.

doi:10.1109/jproc.2007.907120

Cited by 178 publications

(175 citation statements)

References 76 publications

(141 reference statements)

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“…Next generation wireless networks are challenged to meet the diverse QoS requirements imposed by various services [8]. The research on mixed-traffic scenarios is receiving more attention due to its significance in practical deployment of the Evolved UTRAN (E-UTRAN).…”

Section: Introductionmentioning

confidence: 99%

“…The research on mixed-traffic scenarios is receiving more attention due to its significance in practical deployment of the Evolved UTRAN (E-UTRAN). Currently, research on resource allocation with mixed-traffic models focuses mainly on single-cell scenarios [8][9][10]. In [8], a unified approach based on utility functions to QoSguaranteed scheduling is proposed for the downlink of time-division multiplexing (TDM).…”

Section: Introductionmentioning

confidence: 99%

“…Currently, research on resource allocation with mixed-traffic models focuses mainly on single-cell scenarios [8][9][10]. In [8], a unified approach based on utility functions to QoSguaranteed scheduling is proposed for the downlink of time-division multiplexing (TDM). In [9], a mixed best-effort (BE) and VoIP traffic is studied, and a dynamic packet scheduling architecture is proposed to differentiate scheduling of different traffic classes.…”

Section: Introductionmentioning

confidence: 99%

“…In [10], a utility-based optimization is proposed for networks with mixed real-time and non-real-time traffic patterns, and it is shown to be able to satisfy the delay requirement of real-time traffic while balancing the fairness and efficiency. The main limitation of [8][9][10] is that RRM is designed only for the single cell scenario and no joint transmission is undertaken.…”

Section: Introductionmentioning

confidence: 99%

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A Utility-Based Joint Resource Allocation Approach for Multi-Service in CoMP Networks

Huang

Svensson

2013

Wireless Pers Commun

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Coordinated multi-point (CoMP) joint transmission is considered as a key technique to mitigate inter-cell interference and improve the cell-edge performance in 3GPP LTE-Advanced. In this paper, a utility-based joint resource allocation approach is proposed to support CoMP joint transmission in orthogonal frequency division multiple access systems. Two different utility functions are considered with diverse quality of service provisioning. The objective is to maximize the sum utility of a clustered CoMP network, considering mixed real-time voice over IP (VoIP) and best-effort (BE) traffic patterns. A centralized joint resource allocation algorithm is proposed by decoupling the optimization problem into per-subchannel subproblems. Further more, a greedy user selection based low-complexity algorithm is proposed for practical implementation. For the sake of performance comparison, the proportional-fair based joint scheduling, as well as two non-coordinated scheduling schemes are also evaluated. Via system-level simulation we show that the proposed algorithms not only substantially improve the cell-edge spectrum efficiency of BE users, but also significantly decrease the packet drop ratio and call outage ratio of VoIP users.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Utility-Based Joint Resource Allocation Approach for Multi-Service in CoMP Networks

Huang

Svensson

2013

Wireless Pers Commun

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“…Real-time services [23] constrains a sum rate for individual users, which is not required in delay tolerant services, where only minimum rate requirements are needed for each user. Due to the fixed bidirectional total bit rates constraints, the methods of [5] and [22] to allocate resources are not suitable in delay-tolerant services.…”

mentioning

confidence: 99%

Low‐complexity energy‐efficient resource allocation for delay‐tolerant two‐way orthogonal frequency‐division multiplexing relays

Jin

Guo

et al. 2016

IET Communications

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Abstract-Energy-efficient wireless communication is becoming increasingly important, especially forwireless devices with a limited battery life and cannot be recharged on a frequent basis. In this paper, a bit allocation algorithm to minimize the total energy consumption for transmitting a bit successfully is proposed for a two-way orthogonal frequency-division multiplexing (OFDM) relay system, whilst considering the constraints of quality-of-service (QoS) and total transmit power. Our scenario is fit for the delay-tolerant services delivered through low-complexity devices in application areas of IoT and M2M communications. Unlike existing bit allocation schemes, which maximize the energy efficiency by measuring "bits-per-Joule" with fixed bidirectional total bit rates constraint and no power limitation, our scheme adapts the bidirectional total bit rates and their allocation on each subcarrier with a total transmit power constraint.In order to do so, we propose a new idea to decompose the optimization problem. The problem is solved in two general steps. The first step allocates the bit rates on each subcarrier when the total bit rate of each user is fixed. In the second step, the Lagrangian multipliers are used as the optimization variants, and the dimension of the variant optimization is reduced from 2N to 2, where N is the number of subcarriers. We also prove that the optimal point is on the bounds of the feasible region, thus the optimal solution could be

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Energy‐efficient WirelessOFDMANetworks

Vannithamby

Talwar

2016

Towards 5G

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A Unified Approach to QoS-Guaranteed Scheduling for Channel-Adaptive Wireless Networks

Abstract: Terminals wirelessly-linked to an access point should be able to achieve near-optimal data rates, while maintaining required quality of service, by using simple scheduling algorithms.

Cited by 178 publications

References 76 publications

A Utility-Based Joint Resource Allocation Approach for Multi-Service in CoMP Networks

A Utility-Based Joint Resource Allocation Approach for Multi-Service in CoMP Networks

Low‐complexity energy‐efficient resource allocation for delay‐tolerant two‐way orthogonal frequency‐division multiplexing relays

Energy‐efficient WirelessOFDMANetworks

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