Heterogeneous Networks in LTE‐Advanced

Acharya, Joydeep; Gao, Long; Gaur, Sudhanshu

doi:10.1002/9781118693964

Cited by 35 publications

(26 citation statements)

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“…Note that SI N R * j, m is the result of mapping CQI * j, m for CAG j in (10), where SI N R * j, m ← CQI * j, m . The outcome in (12) is calculated for each CAG j, then substituted in (9) to find the optimal CAG from the objective function in (2).…”

Section: Interference Threshold Calculationmentioning

confidence: 99%

“…FC can take the advantage from the CA, a significant pillar of LTE-A, to acquire bandwidth up to 100 MHz and meet the IMT-Advanced requirement [2]. In CA, more than one CC are cooperated to extend the available bandwidth and increase the transmission rate.…”

Section: Introductionmentioning

confidence: 99%

“…However, this scheme has not considered the co-tier interference, and also a centralized unit was required to make the selection and manage the frequency reuse, where the interference threshold was fixed. This seems questionable since typically, there is no coordination between the FCs and the eNodeBs (macro base station in LTE-A) [2]. In practice, it is highly desirable to develop a scheme that can be implemented with minimum dependence on the direct connection with eNodeB, information exchange between FCs, and frequency reuse.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic Joint Carrier Aggregation Group Formation and Interference Alignments for Femtocell in LTE-A

Al-Doori

Liu

2016

IEEE Commun. Lett.

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The customer-installed femtocell is considered an efficient technique for solving the coverage and data rate problems inside buildings. In this work, we introduce a component carrier (CC) group selection mechanism that helps the femtocells to find the optimal carrier aggregation (CA) for an LTE-A network, relies on the principle of distribution architecture. This mechanism is adopted from cellular manufacturing systems for the machinepart formation problem. By optimizing the CA selection, the proposed scheme can avoid the interference among femtocells and eNodeBs, maximize the system spectral efficiency, and enhance the coverage. A self-organization model for minimizing the variance between the CCs within the CA groups is introduced, where a novel interference threshold calculation is derived to bias the selection of the optimal group.

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Section: Interference Threshold Calculationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dynamic Joint Carrier Aggregation Group Formation and Interference Alignments for Femtocell in LTE-A

Al-Doori

Liu

2016

IEEE Commun. Lett.

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“…Since the UE is anchored to a MC, switching the data path from a SC to another will not trigger a HO as long as the UE stays within the coverage area of the same MC. Thus mobility robustness is considered as the main benefit of dual connectivity with control-data separation [110]. Although transferring the data channel only will incur less overhead and delay as compared with the traditional HO procedures, new signalling mechanisms are required to enable such lightweight HOs [110].…”

Section: A Dual Connectivitymentioning

confidence: 99%

“…Expressed differently, current standards optimise either the UL or the DL performance. This trade-off can be avoided by offloading the UL traffic to the SCs whilst keeping the DL traffic in the MCs [110], [111].…”

Section: A Dual Connectivitymentioning

confidence: 99%

Control-Data Separation Architecture for Cellular Radio Access Networks: A Survey and Outlook

Mohamed

Onireti

Imran

et al. 2016

IEEE Commun. Surv. Tutorials

125

112

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Abstract-Conventional cellular systems are designed to ensure ubiquitous coverage with an always present wireless channel irrespective of the spatial and temporal demand of service. This approach raises several problems due to the tight coupling between network and data access points, as well as the paradigm shift towards data-oriented services, heterogeneous deployments and network densification. A logical separation between control and data planes is seen as a promising solution that could overcome these issues, by providing data services under the umbrella of a coverage layer. This article presents a holistic survey of existing literature on the control-data separation architecture (CDSA) for cellular radio access networks. As a starting point, we discuss the fundamentals, concept and general structure of the CDSA. Then, we point out limitations of the conventional architecture in futuristic deployment scenarios. In addition, we present and critically discuss the work that has been done to investigate potential benefits of the CDSA, as well as its technical challenges and enabling technologies. Finally, an overview of standardisation proposals related to this research vision is provided.

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Dynamic Enhanced Inter‐cell Interference Coordination Strategy with Quality of Service Guarantees for Heterogeneous Networks

Lai

Chang

Yeh

et al. 2016

Backhauling/Fronthauling for Future Wireless Systems

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Heterogeneous Networks in LTE‐Advanced

Cited by 35 publications

References 0 publications

Dynamic Joint Carrier Aggregation Group Formation and Interference Alignments for Femtocell in LTE-A

Dynamic Joint Carrier Aggregation Group Formation and Interference Alignments for Femtocell in LTE-A

Control-Data Separation Architecture for Cellular Radio Access Networks: A Survey and Outlook

Dynamic Enhanced Inter‐cell Interference Coordination Strategy with Quality of Service Guarantees for Heterogeneous Networks

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