5G radio access networks : centralized RAN, cloud-RAN, and by Hrishikesh Venkataraman, Ramona Trestian

By Hrishikesh Venkataraman, Ramona Trestian

C-RAN and virtualized Small cellphone expertise poses numerous significant learn demanding situations. those contain dynamic source allocation, self-configuration within the baseband pool, excessive latency in facts move among radio unit and baseband unit, the price of information supply, excessive quantity of information within the community, software program networking points, power power reductions, safeguard matters, privateness of user’s own info at a distant position, barriers of virtualized setting, and so on. This booklet offers deeper insights into the following new release RAN structure and surveys the coexistence of SDN, C-RAN and Small Cells recommendations proposed within the literature at varied levels.

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By Hrishikesh Venkataraman, Ramona Trestian

C-RAN and virtualized Small cellphone expertise poses numerous significant learn demanding situations. those contain dynamic source allocation, self-configuration within the baseband pool, excessive latency in facts move among radio unit and baseband unit, the price of information supply, excessive quantity of information within the community, software program networking points, power power reductions, safeguard matters, privateness of user’s own info at a distant position, barriers of virtualized setting, and so on. This booklet offers deeper insights into the following new release RAN structure and surveys the coexistence of SDN, C-RAN and Small Cells recommendations proposed within the literature at varied levels.

Show description

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Additional info for 5G radio access networks : centralized RAN, cloud-RAN, and virtualization of small cells

Example text

4). The L-SCM is located close to the SCeNBces. Due to a need for proximity between the L-SCM and the SCeNBces, the L-SCM is assumed to coordinate several SCeNBces in its vicinity (the number of the SCeNBs basically depends on their density in L-SCM vicinity). Consequently, the L-SCM can only handle computing requests of relatively low complexity. Note that the SCeNBces are assumed to be similar in their computing power to common personal computers [8,26]. Hence, the low computing demand is understood as a demand, which can be handled by several SCeNBces.

1 Architecture of 4G Mobile Networks.................................................................... 2 Architecture of Mobile Networks Based on C-RAN............................................. 3 Proposed Architecture with Distributed Management of Computation in SCC............... 2 Virtual Hierarchical SCM..................................................................................... 4 Small Cell Cloud Management Protocol (ScCMP)...........................................................

The Macro AE and Small cell AE, each AE has the same bandwidth and is divided into M subchannels. We set P i as the maximum transmission power of the i th data AE. Meanwhile, K users are randomly distributed in the coverage area of the FNA, including K 1 users with guaranteed bit rate (GBR) service and K 2 users with nonGBR service. The space division multiple access scenario is considered, in which each subchannel of an AE can only be allocated to one user. In order to quantify the different QoS requirements of users, the utility theory in economics is introduced to describe the characteristics of service by mapping the data rate to the user satisfaction level [22].

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