Abstract
Capital expenditures (CAPEX) and operational expenditure (OPEX) has always been on the high side if transmission networks are not efficiently planned to minimize these costs. The arrays of antenna often sighted on mast/tower around often post a major risk to the industry as CAPEX increases with increased hardware and signal processing cost. This paper explores the use of point to multipoint (PMP) method of backhauling traffic for cognitive radio network as veritable alternative to existing transmission Point to Point (PTP) Topology in other to minimize the CAPEX and OPEX as well as improve spectra utilization efficiency. The work is focused on small cell deployment for more data penetration in a redundant setup to improve system availability. In the work, the Dijkstra Algorithm for Shortest route analysis was used to prove the advantage of Point to multi point approach in the optimal path planning in a transmission network taking cognizance of path costs as the capital expenditure, path loss, latency, throughput, frequency channel allocation. Furthermore, a spectrum utilization problem was defined, formulated and analyzed. Solution of this model was validated using a simulated setup on a section of Ikorodu (6°35”.37 N and 3°31”.53.99 E) transmission axis. Results obtained from the analysis show that our model of PMP method of transmitting/backhauling is more capable of improving the spectral efficiency of a wireless telecommunication network and outperforms the PTP topology on all network measures influencing capital and operational expenditures.
Highlights
With the rapid growth in wireless industry that gives room for multiple accesses, there is need for channel optimization for more efficient transmission
Since the capital expenditure is a function of the number of components used and the latter is in turn proportional to the number of nodes in the network
The results show reduced latency for each of the frame sizes for the point to multipoint (PMP) Topology compared to the Point to Point (PTP) Topology
Summary
With the rapid growth in wireless industry that gives room for multiple accesses, there is need for channel optimization for more efficient transmission. Spectrum sensing (SpSe) optimization at the physical layer is directly proportional to the class of optimization which reduces the interference in cognitive radio networks. With increasing number of “data hungry devices” in mobile networks, it is very paramount to initiate an efficient resource control/ allocation technique to maximize the network throughput as well as effective spectral utilization. Transmission optimization technique is employed to maximize effective backhauling of data traffic from one node to another. This work lays emphasis on cooperation among several multiple radios based on distributed detection technique. It is aimed at establishing the overall spectrum utilization enhancement using improved system Topology.
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