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Hybrid Novel Approach for Channel Allocation in Heterogeneous Cognitive Radio Networks
1.
International Journal of
Scientific Research and Engineering Development-– Volume 3 Issue 4, July –Aug 2020 Available at www.ijsred.com ISSN : 2581-7175 ©IJSRED:All Rights are Reserved Page 63 Hybrid Novel Approach for Channel Allocation in Heterogeneous Cognitive Radio Networks Dr.Tamilarasan.S Department of Computer Science and Engineering, Brindavan College Of Engineering, Bengaluru, India Email: stamilarasan74@rediffmail.com ----------------------------------------************************---------------------------------- Abstract: Wireless communication system includes a number of wireless devices so that it has lack of spectrum usages. The communication system meets spectrum scarcity; the cognitive radio (CR) is promising technology which provides smart solution to spectrum scarcity problem. The static channel allocation system leads to congestion. There is quality of service and delay issues are also included in cognitive radio network (CRN). The primary goal of CR is to improve the spectrum utilization by secondary users (SUs) when primary users (PUs) become idle. In this paper, we can propose to design efficient MAC protocol for CR to improve throughput and minimize the packet transmission delay. The simulation result provides better performance with the metrics as throughput, delay and packet delivery ratio. Keywords —CQI, CCC, CRN, MAC, PU, SU ----------------------------------------************************---------------------------------- I. INTRODUCTION The CRN is the novel intelligent paradigm for wireless communication technology. The CR mainly focuses on effective existing spectrum utilisation without interference [1].Presented static allocation technology in wireless communication system is leads to spectrum scarcity and should not effectively utilize according to time, space and environmentalplatform [2].The CRN embraces wireless users, random access capability based on cognitive radio cleverness the limited spectrum availability and the unused spectrum band, the CRN uses these factors to build a strategy to permit its secondary users (SUs) to share and access licensed wireless spectrum band with its primary users (PUs) without any intervention with these users and without any poverty in their QoS [1]. Generally, the idle or free licensed channels are detected by SUs and then it can access the available channels [2]. The CRN includes primary network (PN) and secondary network (SN). The PN includes PU and primary base station (PBS). The SN includes SU and secondary base station (SBC). The PU is a licensed user and SU is an unlicensed user. Generally, PU can occupied the licensed channels and then the SU can be used the channels during the communication [3]. The main goal of CR is to spread the presented spectrum effectively [6]. The design of CR-MAC protocol has two methods which are leads to formulation of the IEEE 802.22 working group and application/scenario specific protocols.An application or states of affairs specific protocols are optimized for a particular type of atmosphere, or user specified application goal [7]. The architecture of CRN offers the spectrum sharing mechanism between PN and SN. The PUs has the higher priority in underlay approach. In CRN, the major role of dynamic spectrum sharing is to allow both PNs and SNs to communicate synchronously on the equal frequency with suitable interference control to possess PNs [9]. The SUs in CRN can cooperate with every node in CRN to perform spectrum sensing, cooperative spectrum sensing problems has recently expanded much importance due to its ability fading and interference RESEARCH ARTICLE OPEN ACCESS
2.
International Journal of
Scientific Research and Engineering Development-– Volume 3 Issue 4, July –Aug 2020 Available at www.ijsred.com ISSN : 2581-7175 ©IJSRED: All Rights are Reserved Page 64 [10]. The proposed approach includes channel quality indicator (CQI) which identified the best channel for effective communication, the common control channel (CCC), which controls the channel states, TDMA based Slotted Cognitive Function (SCF), and antenna based Distribution Co- Ordination Function (DCF) are used to improve the channel quality, throughput and packets transmission delay. The rest of this paper organized as section II described the related works, section III specifies the problem identification, section IV discuss about proposed system, section V discuss about simulation results and section VI states the conclusion of the proposed system. . II. RELATED WORKS They proposed throughput maximization algorithm to maximize the total throughput of the secondary network to achieve significant performance gains of the optimal sensing and protocol configuration [9]. They proposed TDMA based energy efficient cognitive radio multichannel MAC protocol called ECR-MAC for wireless Ad Hoc networks [13]. They developed a multi- constrained QoS aware MAC protocol, MQ-MAC, for a cluster based CRSN. In MQ-MAC, and prioritized with respect to the urgency of their generated data packets [11]. They proposed MAC protocol with the collision-free access to the current data channels and further they presented the provision of reservation of free channels by secondary’s for extended periods to increase utilization without affecting dangerous interference to primaries [14] They proposed a parallel sensing scheme with sequential channel selection order as part of MAC protocol and they evaluated the energy efficiency and throughput of the system [15]. They proposed a lowest ID clustering algorithm and generic algorithm for fairness improvement [16]. They presented an Antenna selection (AS) scheme; in particular, they presented a joint transmit and receive multiple AS method for underlay CR environment, consequently maintaining the multiplexing benefit of Multiple Input Multiple Output (MIMO) systems[17]. They proposed a cooperative and a non-cooperative multichannel (MC)-MAC protocol and the fair multichannel (FMC)-MAC protocol for cognitive radio ad hoc network (CRAHN). Furthermore a mathematical model by Markov chain is constructed for FMC-MAC and the performance measures are derived [18]. III. PROBLEM IDENTIFICATION There is no work jointly channel allocation with priority scheduling algorithm based on channel weight in the cognitive radio network.In [11] multi- constraint QoS aware MAC protocol (MQ-MAC) for a cluster based cognitive radio sensor network has developed. In this system they used static channel allocation system which leads congestion. In [12] a dynamic resource allocation and priority based scheduling for heterogeneous services in CRN has been developed. The Secondary Base Station is the most responsible for resource allocation for SU. The SUs in SNs are classified into four categorized SU with Minimum-Rate Guarantee (MRG) SU with Minimum Delay Guarantee (MDG) SU with Minimum-Rate and Delay Guarantee (MRDG) SU with Best Effort Service (BES) For every incoming packet streams, the packets priority is calculated on the service type and queuing delay. The objective function of channel quality indicator is estimated for every stream by multiplying the priority with channel gain. Then the streams are stored in the descending order of theses objective values, and then allocated to the respective category of SU. IV. PROPOSED SYSTEM In this paper, we propose to design a channel quality based MAC (CQHMAC) protocol for CRNs. Channel Quality Indicator (CQI) used to find every channel quality in the presented networks [19]. The
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International Journal of
Scientific Research and Engineering Development-– Volume 3 Issue 4, July –Aug 2020 Available at www.ijsred.com ISSN : 2581-7175 ©IJSRED: All Rights are Reserved Page 65 functionality of CQI of any sub channels are defined using Signal–to-Interference plus Ratio (SINR) during channel allocation and accessing The CQI is calculated as 2log 1CQI SINR (1) The SINR is calculated as signal i SINR (2) Where ρsignal is an incoming signal power, ρi is the power of the interference and σ is the noise respectively. If ρi = 0, then the SINR is reduced to Signal-to-Noise Ratio (SNR). The best quality of channel is preferred as the CCC and dynamically changed in all round. Tho denotes to the maximum period that each ring contributing node is permissible to transmit before passing the token. Considering N ring contributing nodes which are accessing the medium, the network layer can upper bounded by the maximum token rotation time (Tro). Considering N ring participating nodes which is accessing the medium, the network layer is upper bounded by the maximum token rotation time (Tro) ro hoT NT (3) In addition, for multiple available channels, the time required by G to scan a set Q of spectrum opportunities, sc g geG T QCTho N (4) Where C is the cost introduced by channel switching Ng is the number of ring-participating Gs found in channel g. Thus a channel with best CQI is chosen as the common control channel (CCC) and dynamically changed in each round. The control of the transmission controlled by omni-directional TDMA based Slotted Cognitive Function (SCF) and the data transmission is controlled by directional antenna based Distributed Co-ordination Function (DCF) [20]. Different weighted values with the channels are assigned to the SUs based on their category [12]. The highest weighted channels are allotted to SU with higher priority. V. SIMULATION RESULT The proposed CQHMAC Protocol is simulated in NS2 and compared with Interference Aware Hybrid MAC (IAHMAC) [23] and Cognitive MAC with mobility support (CMMAC) [24] protocols. The simulation settings are summarized in Table 1. The performances of these protocols are evaluated in terms of the metrics CBR-throughput, and EXP- throughput. Figure 1 shows the CBR-Throughput measured for CQHMAC, CMMAC and IAHMAC when the rate is varied. The rate is increased from 100 to 500Kb, throughput of CQHMAC increases from 0.17 to 0.7, the throughput of IAHMAC increases from 0.13 to 0.72 and the throughput of CMMAC increases from 0.15 to 0.7. Henceforth the throughput of CQHMAC is 12% of higher once compared to IAHMAC and 18% of higher than CMMAC. Figure 1. CBR-Throughput for varying rate
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International Journal of
Scientific Research and Engineering Development-– Volume 3 Issue 4, July –Aug 2020 Available at www.ijsred.com ISSN : 2581-7175 ©IJSRED: All Rights are Reserved Page 66 Figure 2. Simulation for 50 nodes Figure 3.Result Generation stage-1 Figure 4 shows the EXP-Throughput measured for CQHMAC and IAHMAC when the rate is varied. The rate is increased from 100 to 500Kb, the throughput of CQHMAC increases from 0.10 to 0.36, the throughput of IAHMAC increases from 0.06 to 0.33 and the throughput of CMMAC increases from 0.08 to 0.28. Hence the throughput of CQHMAC is 17% of higher when compared to IAHMAC and 21% of higher than CMMAC. Figure 4. EXP Throughput for varying rate Figure 5. Simulation Topology for 50 nodes (Data Flow Rate) VI. CONCLUSIONS In this paper, we have proposed to design a channel quality based MAC protocol cognitive radio networks. Here a channel quality indicator (CQI) is used as a utility function for each channel. Then a channel with best CQI is chosen as the CCC and dynamically changed in each round. Omni- directional TDMA based Slotted Cognitive Function (SCF) is used for control transmission and
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International Journal of
Scientific Research and Engineering Development-– Volume 3 Issue 4, July –Aug 2020 Available at www.ijsred.com ISSN : 2581-7175 ©IJSRED: All Rights are Reserved Page 67 directional antenna based Distributed Co-ordination Function (DCF) is used for data transmission The channels with higher weights are assigned to higher priority SU. By simulation results, we have shown that the proposed technique minimizes congestion and delay. REFERENCES [1] PushpMaheshwari and Awadhesh Kumar Singh, “A Fuzzy Logic Based Approach to Spectrum Assignment in Cognitive Radio Networks,” in 2015 IEEE International Advance Computing Conference (IACC), IEEE, 978-1-4799-8047-5/15/$31.00©2015 IEEE pp.278–281. July 2015. [2] Anil Carie, Mingchu Li, SatishAnamalamudi, Syed Bilal Shah, and Wahab Khan, “An Internet of Software Defined Cognitive Radio Ad- hoc Networks based on Directional Antenna for Smart Environments”, Sustainable Cities and Society, vol. 39, pp. 527-536, may 2018. [3] Zaw HTIKE, ChoongSeon HONG and IIKwon CHO, “DYN-MAC: A MAC protocol for cognitive radio networks with dynamic control channel assignment”, IEICE TRANS. COMMUN, Vol. E97-B, no. 8, pp. 1577-1585, August 2014. [4] J.Arun and M.Karthikeyan, “Optimized cognitive radio network (CRN) using genetic algorithm and artificial bee colony algorithm”, springer, cluster computing, March 2018. [5] Long Zhang, Fan Zhuo and HaitaoXu, “A cross-layer optimization framework for congestion and power control in cognitive radio adhoc networks under predictable contact”, EURASIP Journal on wireless communication and networking, Vol. 2018, no. 57, pp. 1-23, 2018. [6] MahfuzulhoqChowdhury, Asaduzzaman, Md.Fazlul Kader and Mohammad ObaidurRahman, “Design of an efficient MAC protocol for opportunistic cognitive radio networks”, International journal of computer science & information technology (IJCSIT), Vol. 4, no. 4, pp. 233-242, October 2012. [7] Claudia Cormio and Kaushik R. Chowdhury, “A survey on MAC protocols for cognitive radio networks”, Ad Hoc Networks, 7(2009), pp. 1315-1329, Feb 2009. [8] Anargyros J. Roumeliotis, StavroulaVassaki and Athanasios D. Panagopoulo, "Joint Power and Time Allocation Scheme with QoS Constraints in Overlay Multi-user Cognitive Radio Networks", Springer, Wireless Personal Communication, August 2017. [9] Le Thanh Tan and Long Bao Le, “Distributed MAC protocol for cognitive radio networks: Design, Analysis and Optimization”, IEEE Transactions on vehicular Technology, Vol. 60, no. 8, pp. 3990-4003, Oct 2011. [10] SedatAtmaca, Omer Sayli, Jin Yuan and Adnan Kavak, “Throughput maximization of CSMA in cognitive radio networks with cooperative spectrum sensing”, Wireless persCommun, springer publication, Oct 2016. [11] Mir MehediAhsanPritom,SujanSarker,Md. AbdurRazzaque, Mohammad Mehedi Hassan, M. Anwar Hossain and AbdulhameedAlelaiwi, "A MulticonstrainedQoS Aware MAC Protocol for Cluster-Based Cognitive Radio Sensor Networks", International Journal of Distributed Sensor Networks, Hindawi, pp. 1-24, 2015. [12] S.Tamilarasan and Kumar P, “Dynamic Resource Allocation and Priority Based Scheduling for Heterogeneous Services in Cognitive Radio Networks”, International Journal of intelligent Engineering Systems, Vol.9, no.3, pp. 127-136, 2016. [13] S. M. Kamruzzaman,"An Energy Efficient Multichannel MAC Protocol for Cognitive Radio Ad Hoc Networks", International Journal of Communication Networks and Information Security (IJCNIS) Vol. 2, No. 2, pp. 112-119, August 2010. [14] SaptarshiDebroy, Swades De and MainakChatterjee," Contention Based Multichannel MAC Protocol for Distributed Cognitive Radio Networks", IEEE Transactions On Mobile Computing, Vol. 13, no. 12, pp. 2749-2762, December 2014. [15] IrfanLatif khan, RiazHussain, AtifShakeel, AdeelIqbal, Junaid Ahmed, ShakeelAlvi, QadeerulHasan and Shahzad A. Malik, "Efficient idle channel discovery mechanism through cooperative parallel sensing in cognitive radio network" ,EURASIP Journal on Wireless Communications and Networking (2018) 2018:75, pp. 1-15, 2018. [16] J.Arun and M. Karthikeyan, "Optimized cognitive radio network (CRN) using genetic algorithm and artificial bee colony algorithm", Springer, Cluster Computing, 2018. [17] P. Reba, Govindaswamy Uma Maheswari, and Moses SatheeshBabu, “Multiple Antenna Selection for Underlay Cognitive Radio Systems with Interference Constraint”, Springer Wireless PersCommun, September 2017. [18] AghusSofwan, and Salman A. AlQahtani, “Cooperative and fair MAC protocols for cognitive radio ad-hoc Networks”, Springer Wireless Netw, May 2016. [19] Paulo M. R. dos Santos, Mohamed A. Kalil, OleksandrArtemenko, Anastasia Lavrenko, Andreas Mitschele-Thiel,“ Self-Organized Common Control Channel Design for Cognitive Radio Ad Hoc Networks“ , IEEE 24th International Symposium on Personal, Indoor and Mobile Radio Communications: Mobile and Wireless Networks, pp. 2419-2423, 2013. [20] SatishAnamalamudi, Minglu JIN and Jae Moung Kim,” Interference- Aware Hybrid MAC protocol for Cognitive Radio Ad-Hoc Networks with Directional Antennas’, EAI Endorsed Transactions on Wireless Spectrum, Vol. 1, no. 3, pp. 1-10, July 2015. [21] Le Thanh Tan and Long Bao Le," Joint cooperative spectrum sensing and MAC protocol design for multi-channel cognitive radio networks", EURASIP Journal on wireless communications and networking, Springer, pp. 1-24, 2014. [22] Peng Hu and Mohamed Ibnkahla,” A MAC protocol with mobility support in cognitive radio ad hoc networks: Protocol design and analysis”, Ad Hoc Networks, Elsevier, 17 (2014), pp. 114–128, 2014. .
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