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Efficient allotment of resources in heterogeneous communication

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Abstract

Heterogeneous networks assist in enhancing the data rates. In this context, heterogeneous networks comprising eNodeB, Femtocell and Wi-Fi Access Point (AP) operate conjointly to render higher data rates to the User Equipment (UE). Moreover, as Wi-Fi AP avails of mostly 2.4 GHz ISM band and does not use more of 5 GHz frequency band, Femtocell exploits this unused 5 GHz spectrum for its own data transmission. To be specific, Femtocell adopts both the licensed band and un-licensed bands to improve the capacity of UE. But, while transmitting data to UE, interferences created from one network (either eNodeB or Femtocell or Wi-Fi AP) to the users of other network are to be controlled. At the same time, capacity reaching to UE from multiple networks is optimized by allotting optimum powers and vital number of channels from multiple networks. Consecutively, all the aforementioned process is labelled as ‘HEN-BULB’ (HEterogeneous Networking in Both Unlicensed and Licensed Bands). Essentially, while resolving HEN-BULB, the distinctiveness of the proposed algorithm lies in evaluating the required number of channels in advance. Thereafter, optimal power allocation for these channels is accomplished by making use of the estimated lagrange multipliers. As a result, proposed algorithm unravels the HEN-BULB with lesser number of floating point operations in contrast to the generally used Iterative algorithms.

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Authors and Affiliations

  1. Department of ECE, NIT-Warangal, Hanamkonda, India

    Kalpana Naidu & Akshara Parchuri

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  1. Kalpana Naidu
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  2. Akshara Parchuri
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Correspondence to Kalpana Naidu.

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Naidu, K., Parchuri, A. Efficient allotment of resources in heterogeneous communication. Wireless Netw 27, 3761–3783 (2021). https://doi.org/10.1007/s11276-021-02599-x

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