The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Fronthaul-constrained cloud radio access networks: insights and challenges
Open accessAbstract
As a promising paradigm for fifth generation wireless communication systems, cloud radio access networks (C-RANs) have been shown to reduce both capital and operating expenditures, as well as to provide high spectral efficiency (SE) and energy efficiency (EE). The fronthaul in such networks, defined as the transmission link between the baseband unit and the remote radio head, requires a high capacity, but is often constrained. This article comprehensively surveys recent advances in fronthaul-constrained CRANs, including system architectures and key techniques. Particularly, major issues relating to the impact of the constrained fronthaul on SE/EE and quality of service for users, including compression and quantization, large-scale coordinated processing and clustering, and resource allocation optimization, are discussed together with corresponding potential solutions. Open issues in terms of software-defined networking, network function virtualization, and partial centralization are also identified.
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Liu, F., Cui, Y., Masouros, C., Xu, J., Han, T. X., Eldar, Y. C., & Buzzi, S. (2022) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2022.3156632 · Cited by 3,857
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Sun, Y., Peng, M., Zhou, Y., Huang, Y., & Mao, S. (2019) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2019.2924243 · Cited by 678
Self-citationPeng, M., Sun, Y., Li, X., Mao, Z., & Wang, C. (2016) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2016.2548658 · Cited by 386
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Metadata
- Authors
- Peng, M., Wang, C., Lau, V., & Poor, H. V.
- Venue
- IEEE Wireless Communications
- Published
- 2015-04
- Volume
- 22
- Issue
- 2
- Pages
- 152-160
- ISSN
- 1536-1284 (ISSN-L)
- 1558-0687
- OpenAlex
- W2019905317
- Cited by
- 438
- References
- 13
- FWCI
- 34.96
- Type
- journal article
- Language
- en
- Open access
- green
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