Interference Mitigation Using Coordinated Backhaul Timing Allocation for LTE-Advanced Relay Systems

Yuda, Yasuaki; Iwata, Atsushi; Imamura, Daichi

doi:10.1109/icc.2011.5963129

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…(2) Interference reduction mechanisms among neighboring base stations and relays [9][10][11][12]. (3) Dynamic TDD configuration mechanisms adapting to different traffic loads in heterogeneous wireless networks [13][14][15].…”

Section: Lte-a Rn and Tddmentioning

confidence: 99%

Integrated sleep scheduling for multiple relays and UEs in LTE-TDD

Yang

Mai

Chen

et al. 2019

J Wireless Com Network

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Energy-saving for the LTE-A network with relay nodes in TDD mode is addressed in this paper, and integrated sleep scheduling schemes for relay nodes and user devices under a base station are designed. The authors' two previously proposed ideas, namely, Load-Based Power Saving (LBPS) and Virtual Time, are adopted in the design, and two strategies, namely, top-down and bottom-up each with three LBPS schemes are proposed. In the top-down strategy, the load as well as the channel quality on the backhaul link is first considered to determine the sleep pattern for all relay nodes, and then the sleep schedule for UEs under each relay node is determined accordingly. On the contrary, the load and the channel quality on the access links are first considered and then integrated into the sleep schedule on the backhaul link. Two associated mechanisms for the proposed LBPS schemes to operate in the virtual time domain are also proposed in the paper, i.e., calculation of the virtual subframe capacity and the mapping mechanisms from the virtual time to the actual time. The benefit of the proposed schemes in power saving over the standard-based scheme is demonstrated by the simulation study, and the bottom-up scheme of BU-Split outperforms the other schemes under equally distributed input load as well as the hotspot scenario. Discussion on the tradeoff of the processing overhead and the performance for the proposed schemes is presented in the paper.

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Section: Lte-a Rn and Tddmentioning

confidence: 99%

Integrated sleep scheduling for multiple relays and UEs in LTE-TDD

Yang

Mai

Chen

et al. 2019

J Wireless Com Network

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“…If the same frequency band is used for the both links and the split is done in the time domain, then it is called an inband relay. There are several studies for the appropriate resource sharing between backhaul and access links and mitigation of interference using the proper resource scheduling techniques [171][172][173][174][175][176][177][178][179][180][181][182][183][184]. CA feature can provide more flexible resource allocation in relaying networks [185,186].…”

Section: Overviewmentioning

confidence: 99%

LTE-Advanced Radio Access Enhancements: A Survey

Dehghani

Arshad

MacKenzie

2014

Wireless Pers Commun

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Long Term Evolution Advanced (LTE-Advanced) is the next step in LTE evolution and allows operators to improve network performance and service capabilities through smooth deployment of new techniques and technologies. LTE-Advanced uses some new features on top of the existing LTE standards to provide better user experience and higher throughputs. Some of the most significant features introduced in LTE-Advanced are carrier aggregation, enhancements in heterogeneous networks, coordinated multipoint transmission and reception, enhanced Multiple Input Multiple Output (MIMO) usage and deployment of relay nodes in the radio network. Mentioned features are mainly aimed to enhance the radio access part of the cellular networks. This survey article presents an overview of the key radio access features and functionalities of the LTE-Advanced radio access network, supported by the simulation results. We also provide a detailed review of the literature together with a very rich list of the references for each of the features. An LTE-Advanced roadmap and the latest updates and trends in LTE markets are also presented.

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“…These show that coordinated resource partitioning can mitigate ICI among macro cell and relay cells and that it leads to improvement in the system performance, especially for the cell edge user throughput. ICI mitigation based on backhaul subframe coordination was also investigated [30]. CoMP and eICIC application: LTE-Advanced relay was designed with full L3 functionality and behaves as an eNB from the UE perspective.…”

Section: Cooperative Operations For Relay Enhancementmentioning

confidence: 99%

Radio Interface Technologies for Cooperative Transmission in 3GPP LTE-Advanced

Abe

Kishiyama

Kakura³

et al. 2011

IEICE Trans. Commun.

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This paper presents an overview of radio interface technologies for cooperative transmission in 3GPP LTE-Advanced, i.e., coordinated multi-point (CoMP) transmission, enhanced inter-cell interference coordination (eICIC) for heterogeneous deployments, and relay transmission techniques. This paper covers not only the technical components in the 3GPP specifications that have already been released, but also those that were discussed in the Study Item phase of LTE-Advanced, and those that are currently being discussed in 3GPP for potential specification in future LTE releases.

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Interference Mitigation Using Coordinated Backhaul Timing Allocation for LTE-Advanced Relay Systems

Cited by 3 publications

References 4 publications

Integrated sleep scheduling for multiple relays and UEs in LTE-TDD

Integrated sleep scheduling for multiple relays and UEs in LTE-TDD

LTE-Advanced Radio Access Enhancements: A Survey

Radio Interface Technologies for Cooperative Transmission in 3GPP LTE-Advanced

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