- Lte load balancing parameters. Based on previous work, we extend the optimization by a combined use case. [14] described the coordination of handover parameter optimization and load balance in LTE self-organizing network. Dynamic Analysis of Load Balancing Algorithms in LTE/LTE-A… II. For each strategy, we Jan 12, 2018 · Small cells were introduced to support high data-rate services and for dense deployment. 1. In this paper we present simulation results of a self-optimizing network in a long-term-evolution (LTE) mobile communication system that uses two optimizing algorithms at the same time: load balancing and handover parameter optimization. Jul 26, 2019 · In this paper, some load balancing algorithms were used in order to solve the problem of congestions in the networks through a load balancer. L OAD BALANCING AND H ANDOVER PARAMETERS O PTIMIZATION ALGORITHMS Y [m] The key idea of load balancing [2] is to shift the load of overloaded cells to less loaded adjacent cells by changing the virtual cell borders. 1 MLB in Idle Mode: Load-Aware User Association. One is to modify downlink (DL) power such as reference signal power or antenna tilt. The method described is easy in implementation, as it requires only reconfiguration of one of the parameters already defined in Oct 26, 2018 · The advantage of active load balancing is that the system has a direct measurement mechanism and knowledge of each user’s traffic requirements and radio conditions before deciding to load balance. We present the interactions of the two SON algorithms and show an example of a Parameters Description; Frequency range: UMTS FDD bands and TDD bands defined in 36. 1, given below: Duplexing: FDD, TDD, half-duplex FDD May 18, 2011 · Lobinger et al. Mubarak et al. The simulation results show that the. We evaluated the offloading capabilities, fairness of the distribution of the load across base stations and spectral efficiency gains in the downlink. 5956561 Corpus ID: 7029283; Coordinating Handover Parameter Optimization and Load Balancing in LTE Self-Optimizing Networks @article{Lobinger2011CoordinatingHP, title={Coordinating Handover Parameter Optimization and Load Balancing in LTE Self-Optimizing Networks}, author={Andreas Lobinger and Szymon Stefanski and Thomas Jansen and Irina Balan}, journal={2011 IEEE 73rd Cellular radio networks are seldom uniformly loaded. In section II, load balancing in Heterogeneous LTE-A networks has been discussed. We propose a probabilistic framework for idle-mode parameter optimization in Self-Optimizing Networks (SON) in order to achieve the target traffic distribution per carrier. 3. The implementation is achieved toward two MLB algorithms dynamically adjusting handover (HO) parameters based on the Reference Signal Received Power (RSRP) measurements. Two load balancing algorithms were proposed in [4]. 1 Intra-LTE Handover Intra-LTE handover within the current LTE network is achieved typically by In this paper, we investigate the load balancing problem in multi-carrier LTE networks. We assume video streaming traffic with a constant date rate of 64kbps per user and a mean call duration of 3 minutes. The respective UEs are handed over with a load balancing handover command after the virtual cell borders have been changed. Load balancing via inter-frequency handovers in LTE networks Gonçalo Ourique Fernandes Thesis to obtain the Master of Science Degree in Electrical and Computer Engineering Examination Committee Chairperson: Prof. the authors design an RL framework for optimizing cell parameters to balance traffic load across the cells Jun 1, 2016 · The paper describes a novel method of load balancing in cellular networks based on the management of the reference signal transmit power. To efficiently accommodate the imbalance in traffic, load balancing (LB) between base stations has attracted attention in recent years. This is achieved using consistent per-service hashing. This SON tutorial is part of the 3GPP Self-Organizing Networks series (#3GPPSONSeries). LAG load balancing should maintain consistent forwarding on egress over a single LAG port for a specific network interface, SAP, and so on. pptx. 1K views 3 years ago #3GPPSONSeries #3G4G5G. Nov 1, 2011 · MLB (Mobility Load Balancing) is one of the use cases of SON (Self-Organizing Network) discussed in NGMN and 3GPP. We performed a comparative analysis of three load balancing algorithms, including our previously proposed algorithm based on local optimization. Dec 22, 2014 · Review of various load balancing techniques currently used in mobile networks is presented, with special emphasis on techniques that are suitable for self optimization feature in future cellular networks. It discusses load balancing based on both PRB usage and UE number between LTE cells. Jan 9, 2021 · Deep Reinforcement Learning-based CIO and Energy Control for LTE Mobility Load Balancing. 5. In HetNets with small cell configuration, a considerable majority of user devices is eventually connected to the macrocell base station (MBS), while small base stations (BSs), such as femtocell access points (FAPs), are still without any user. However, degradation of coverage in reduced power cells can be archived by this strategy, and over-provisioning of power amplifiers in increased power Oct 26, 2016 · Load Balancing (LB) and coverage optimization are two essential techniques in LTE networks to boost the user experience and improve the system performance [1–3]. For load balancing, optimal cell selection method is presented in this paper. Inter Frequency Load Balancing Simulation - Through Reselection This simulator will help to simulate Inter Frequency reselection between 2 LTE bands. In this paper, we firstly evaluate the negative impact of unbalanced load among cells through Markovian model. Owing to user equipment (UE) mobility and small-cell coverage, the load across a small-cell network recurrently becomes unbalanced. The solution supports load balancing of co-located and non-co-located cells across arbitrary frequencies and frequency bands. enabled several techniques to realize load balancing through self-adjustment of the network’s self optimizable parameters. Furthermore, we would also look for ways to resolve congestion in radio interfaces along with TN. There has been a lot of research done on load balancing, which can be classified into two categories: block probability-triggered load balancing [12-14], and utility based load balancing [15-17]. 5. The objective of MLB is to reduce the number of low throughput users and the call Abstract—Mobility Load Balancing (MLB) is one of the most important functions of Self-Organizing Networks (SON) in Long Term Evolution (LTE). In long term evolution (LTE) network, the inhomogeneity of traffic distribution results in local network congestion and waste of resource. Initially May 16, 2010 · The network performance of a self-optimizing load balancing algorithm in a long-term-evolution (LTE) mobile communication system that requires the load of a cell as input and controls the handover parameters is evaluated. Section III focuses on the system model. Capacity per system is a very important variable in load balancing. adjusting mobility parameters. As opposed to Jun 2, 2013 · A Q-Learning algorithm is presented that learns the best MLB action to take in different load states so as to achieve a desired load transfer, but with the least effect on HO performance. Under traditional antenna configuration scheme without LB and coverage optimization, each cell is assigned a fixed antenna tilt and each user selects the cell with the highest received power as its serving cell []. The simulation results show that the In this work, we provided the detail framework requirement of multi-Criteria Load balancing Decision Algorithm in LTE. In GSM, capacity depends mainly on the number Abstract—Mobility Load Balancing (MLB) is one of the most important functions of Self-Organizing Networks (SON) in Long Term Evolution (LTE). Dec 1, 2023 · Proposed load balancing optimisation scheme. The advantage of active load balancing is that the system has a direct measurement mechanism and knowledge of each user’s traffic requirements and radio conditions before deciding to load This paper consists of eight sections. José Eduardo Charters Ribeiro da Cunha Sanguino Supervisor: Prof. 1 Active Mode Load Balancing Active load balancing allows active mode UEs to be load balanced across cells to lower the overall congestion across cells. BASIC ASPECTS OF LOAD BALANCING Load metrics differ from system to system, and depend on the number of users in a given cell, services being provided, quality of service and many other different parameters. Such unbalanced loads result in performance degradation in throughput and handover success and can even cause radio link failure. Network configuration and simulation parameters are found in section V. Self-Organization (SO) has been proposed to reduce capital and operational expenses as well as to improve cellular network performance. We captured our criteria using multiple parameters for effective mobility load balancing. Apr 3, 2021 · 75. The conventional MLB schemes based on handover (HO) conflict with Mobility Robustness Optimization (MRO) because both operations adjust the same HO parameters. In this paper, we present an optimization framework for load balancing in LTE HetNets, by means of cell range assignment using cell-specific offset. Jun 27, 2016 · Inter Frequency Load Balancing Settings Plan The Inter Frequency LB will be applied and it’s parameters will be updated according to: • The feature should be applied per cell in a vertical relation (i. The first algorithm was a reactive one. X2-AP: Resource Status Request X2-AP: Resource Status Response When the load balancing algorithms were applied, the fairness index was almost doubled to a value close to 0. We compare the results for different simulation setups: for a basic III. This approach does not rely only on adapting the CIO parameters, but it rather has two degrees of control; the first one is adjusting the CIO parameters, and the second is adjusting the eNodeBs Aug 30, 2016 · This article investigates mobility load balancing (MLB) algorithm implementation through network simulator (ns-3) in long term evolution (LTE) systems employing orthogonal frequency division Jan 1, 2017 · We implemented three existing load balance algorithms Heavy Load First Balance (HLFB) [12], Greedy load balance algorithm [13] and Change handover parameters based on loads of cells [14] on the proposed SD-LTE-RAN framework. The markers in Figures 8 and 9 correspond to Figure 5 and the description in section IV-B. Therefore, in conjunction with the scheduler and interfaces to other base stations (X2 interface for intra-LTE and/or S1 interface for inter-RAT All automatic changes on the HO and/or reselection parameters must be within the range allowed by OAM. The recent introduction of high-end mobile devices has further increased subscriber's demand for high bandwidth ZTE LTE TDD Load Balancing Feature Guide ZTE Confidential & Proprietary 1 1 Introduction This document provides the introduction, technical descriptions, parameter configuration, counters, alarms, and validation procedure of the LTE TDD Load Balancing feature. The main simulation parameters are given in Table 1. e. Authors in [ 8 ] investigate the inter radio access technologies (inter-RAT) mobility robustness optimization between LTE and 3G/2G mobile systems. The relatively slow action of load balancing means that long simulation durations are needed to study its • Target carrier for load balancing should has RSRP > -95 dBm RSRP for FDD 2100 & L900, 385111800-LTE-Parameter-Features-Recommendation-Part-1. The proposed load balancing algorithm has been presented in section IV. The former is an automated function where cells suffering occasional congestion can transfer load to neighbor cells, which have spare resources, by e. The algorithm achieves load balancing by first checking the eNodeB utilization. In this paper, taking both the network resource limitation and users’ data rate demand into account, we aim to simultaneously optimize both the load balancing index and network average load for quality-of-service (QoS) requirements services, while maximizing the network utility for other services. 2011. Apr 13, 2018 · The vision of advanced long-term evolution (LTE-A) project is set to ultimate increase of network capacity in heterogeneous networks (HetNets). Luís Manuel de Jesus Sousa Correia Jun 1, 2023 · The load balancing optimization (LBO) function adaptively adjusts the settings of handover control parameter (HCP) to achieve balance uneven loads between adjacent cells. ECMP and LAG load balancing should maintain consistent forwarding within a specific service. During the past few decades wireless technology has seen a tremendous growth. In this paper, a new deep reinforcement learning-based load balancing approach is proposed as a solution for the LTE Downlink congestion problem. Such adjustments are done with respect to loads of both an In the field of Self-Optimization, one of the most important use cases defined for LTE and LTE-Advanced is load balancing [6]. This paper proposes a load balancing algorithm that automatically and dynamically estimates appropriate HCP values for each user to achieve load balancing in LTE-A/5G HetNets. [15] proposed a self-adaptive handover algorithm Jan 1, 2020 · The simulate LTE Network Scenario, all UEs are initially served by the center cell. The interactions exist because these two functions influence the same Key Performance Indicators (KPIs) that are used as input for the optimization algorithms. In particular, we consider different layer management strategies such as hierarchical, equal priorities. This paper proposes an advanced LB method for LTE/LTE-A cellular networks which utilizes exiting mechanisms such as handover parameter control (HPC) and cell coverage control (CCC). proposed load balancing scheme in the downlink of an LTE network. Apr 3, 2021 · Mobility Load Balancing (MLB) ©3G4G • eNB’s can co-operate to balance load between them, thereby increasing network capacity • Even though this procedure was introduced part of Rel- 8, there were enhancements in Rel-9 and Rel-10 that has made this procedure much more useful. This motivates the need for Load Balancing (LB), as has been defined in the LTE Self-Organization standard. In order to investigate the performance of these algorithms, Riverbed network simulator is used. It is expected that on overload, a serving cell (S-cell) initiates LB to transfer some of its edge users to its neighbor cells so called target cells, by adjusting the Cell Individual Offset (CIO) parameter. 8 and it remained around that value until the end of the simulation period, with all three algorithms providing a similar performance. To obtain load balancing in both directions, the loadBalancing parameter is set to ALLOWED in both cells (such that both cells act as source cells towards the other). 3. to learn how to adjust these parameters so that a better load distribution in the overall network is related to mobility load balancing (MLB) for LTE systems using ns-3 [1]. In this part we discuss the load balancing feature Jan 15, 2015 · While the MLB function adjusts the HO margin (HOM), the MRO function adjusts the Time-To-Trigger (TTT) and hysteresis parameters. If the utilization of some May 15, 2011 · DOI: 10. The problem of User Association Footnote 2 (UA) for network MLB has attracted much attention in the recent years. Based on Jul 31, 2021 · The current network planning strategies are far from completely resolved, due to issues such as load balancing (LB) in long-term evolution (LTE) systems [8,14,15,16]. Oct 1, 2014 · The results show that the load balancing algorithm can help in balancing the load among the network components. g. Mobility load balancing (MLB) is introduced to solve the problem and improve the efficiency Mar 15, 2017 · The performance of load balancing algorithms in HetNets is investigated in this paper. Dec 23, 2014 · In this work, a novel self-tuning algorithm for parameters in a classical mobility load balancing scheme is proposed to steer traffic among adjacent cells in a Long-Term Evolution (LTE) May 20, 2014 · Load balancing (LB) is an indispensable function in LTE-A self-organized network (SON) to efficiently accommodate the imbalance in traffic. The load balancing (LB) function is needed when the coverage of two cells overlaps, when the coverage of two hierarchical cells overlaps or when the coverage of adjacent cells Sep 20, 2016 · There are two load balancing (LB) strategies to perform load balancing by SON function over LTE system level. The scheme allows for an optimized load distribution effect in the network by adjusting handover margin at the appropriate time. Comparing reference and load-balancing timelines we can see that the load-balancing algorithm can redistribute load to neighboring cells which significantly reduces overload in whole observed period. Based on previous work, we evaluate the network performance of this algorithm that requires the load of a cell as input and controls the handover parameters. For any given offset setting, the resulting cell load is effectively approached via the solution of a system of non-linear equations characterizing the load-coupling relation between cells. Unlike the traditional approach (max-RSRP), the target cell is determined according to the cells’ load level and RSRP value. Jan 15, 2015 · In the context of SON, certain functions have been identified as key enablers by the 3GPP, among which are Load Balancing (LB) and Handover Optimization (HOO). Mobility Load Balancing (MLB) and Mobility Robustness Optimization (MRO Dec 23, 2014 · View a PDF of the paper titled Load Balancing Optimization in LTE/LTE-A Cellular Networks: A Review, by Sumita Mishra and 1 other authors View PDF Abstract: During the past few decades wireless technology has seen a tremendous growth. In the first category, the overhead is low because the load balancing is triggered only when the block probability is larger than a certain threshold. This document describes Huawei's intra-LTE load balancing features. Generally, converting some UEs at the boundaries of overlapping or adjacent cells from more crowded cells to less crowded cells represent a possible approach for LB; this is often 1. Section I gives the introduction. Such a feature copes with the unequal distribution of traffic demand in the Radio Access Network. It will provide distribution understanding of reselection based on priority level according to input parameter (3GPP ASN SIB1, SIB3, and SIB5). In future, we intend to study self-optimizing offset values for load balancing. 101(v860) Table 5. 3 Handover in LTE-Advanced Handovers are the essential element of load balancing schemes in LTE; thus we will discuss the HO in LTE networks. alpha 800 <-> alpha 1900 (1)&(2)) • IFLB parameters will follow the GPL setting • A5 event thresholds will be the same for IFLB and LTE is the advanced network ,used for cellular network communication, Load balancing is the main problem ,to overcome the load balancing handover technology is implemented Handover Parameters Adjustment for Conflict Avoidance (HPACA) is proposed. Feature development included connect-mode load balancing, connect-mode offloading, and idle-mode load balancing. Jul 22, 2015 · A MLB algorithm based on handover optimization (HO) has been proposed in the paper to prevent ping-pong effect and average throughput has an almost 20% improvement. This Feb 12, 2013 · The conflict between Mobility Load Balancing and MRO in handover parameters adjusting is solved in . In fact, an efficient method to balance the traffic between macro- and small-layers seems to be optimizing the cell selection scheme. 1109/VETECS. In this paper, we propose a mobility load In this paper we present system level simulation results of a self-optimizing load balancing algorithm in a long-term-evolution (LTE) mobile communication system. In this paper we present system level simulation results of a self-optimizing load balancing algorithm in a long-term-evolution (LTE) mobile communication system. Some performance parameters Aug 15, 2017 · 2. Load balancing optimization comprises of a series of related functions; one of the important functions is the adaptation of handover configuration function enables requesting of a change of handover and/or reselection parameters at target cell, as a part of the load balance procedure. Nov 13, 2014 · So, load balancing is the main challenge to the LTE network for reducing congestion or load in the cell. In this work, we have Feature Operation The loadBalancing parameter activates load balancing in one direction (from the source to the corresponding target cell). zclux rlswo abdib wmq fegjb jqoszga jvqro jgft bwadvvsp xwa