Uplink throughput calculation in lte
Uplink throughput calculation in lte. 3 Modulation Oct 22, 2017 · Thank you for sharing this insightful article on LTE throughput optimization and the role of PDCCH enhancements in achieving it. The numerous services brought to the users by 4G network have caused an increasing load demand. Another notice is calculated throughput includes LTE headers (i. This parameter is taken with some inaccuracy, i. Modulation Downlink Modulation. Net throughput in Mbps: 50,400 bits/ms × 1,000 ms/s / 1,000,000 bits/Mbps = 50. The breakdown of PDCCH structure and its aggregation layers provided a clear understanding of how scheduling allocations work for PDSCH and PUSCH, making it easier to comprehend the overall optimization process. Thus, the ESPE LTE network was deployed and can be used as a testbed and a platform for teaching the LTE standard. 83 for the downlink and 0. Uplink Modulation MiMo. A proper assignment of PCIs must prevent neighbor cells from using the same DM RS to avoid interference problems, thus ensuring adequate performance both in control . It is recommended to read OFDMA/SC-FDMA sections to clearly understand throughput calculation in LTE. This modulation order is defined as a Parameter called Qm in 3GPP and the relationship between MCS value and Qm is defined in a little bit differently for PDSCH and PUSCH in the three tables Mar 16, 2011 · LTE Release 10 (aka LTE Advanced) includes bandwidth extension via carrier aggregation to support deployment bandwidths up to 100 MHz, downlink spatial multiplexing including single-cell multi-user multiple-input multiple-output transmission and coordinated multi point transmission, uplink spatial multiplexing including extension to four-layer HI all,Please go through video of Throughput Calculation in LTE (FDD & TDD) # How to Calculate LTE Data Rate. Basic Uplink Throughput in LTE (FDD Case) There has been a series of posts for LTE Throughput computation in both FDD and TDD. There is another technique to calculate the peak capacity which I include here as well for a 2×20 MHz LTE system with 4×4 MIMO configuration and 64QAM code rate 1: Downlink data rate: Ue Сategories LTE calculator help us to get information about Ue Peak LTE Throughput DL (UL), number of MIMO DL layers, support for 64QAM in UL etc Jun 6, 2020 · LTE Throughput Calculation in both Downlink & Uplink For practicality, SC-OFDMA is implemented in LTE using a Discrete Fourier Transform Spread OFDM transmission (DFTS-OFDM) which is commonly referred to as a frequency-domain generalization of SC-FDMA. Sep 8, 2017 · In Long Term Evolution (LTE) systems, the physical cell identity (PCI) assigned to a cell during network planning determines the set of sequences used by subscribers as de-modulation reference signals (DM RS) in the uplink (UL). If you know the MCS index and number of RBs, you can calculate the throughput for that specific MCS idex and RB as follows: Feb 1, 2017 · With this technology, it achieves peak spectral efficiency of 30 bit/s/Hz for downlink and 15 bit/sec/Hz for uplink. Throughput Calculation Example - FDD. DMRS in LTE uplink LTE uplink is based on single-carrier frequency division multiple access (SC-FDMA) due to its low peak-to-average power ratio (PAPR). PDCP, RLC and MAC). Ltd. A very good approach has been proposed on [18] where packet delays may be deduced from buffer status reports (BSR) from UE’s in LTE uplink. Select network type 4G LTE 3G UMTS 2G GSM Cell Identifier Feb 12, 2015 · The maximum data rate depends on channel bandwidth. Baltagiannis** * Technological Institution of Messologi/Department of Telecommunication Systems & Networks, Nafpaktos, Greece ** University of Patras/Department of Engineering Sciences Applied Mathematics and Mechanics, Patras, Greece This page covers 5G NR Throughput Calculator. 3 Carrier frequency and EARFCN. 3. Сalculator allows to calculate the maximum Link budget of 4G LTE network depending on Cell Radius, eNodeB/UE configuration, Propagation model, attenuations, etc. Jan 2, 2024 · The current and next generations of cellular networks produce a massive amount of data. Feb 3, 2022 · A 4G LTE network was implemented by using SDR and open-source LTE software. SINR is used a lot by operators, and the LTE industry in general, as it better quantifies the relationship between RF conditions and Throughput. Feb 5, 2024 · This article "LTE Throughput Optimization: Part 2 - Spectral Efficiency" explains data part (PDSCH) of the LTE subframe and discusses various ways to improve its efficiency. 4 6 3 15 5 25 10 50 15 20 75 100 One resource block includes 12 sub carriers Modulation Order QPST – 2 16QAM – 4 64QAM – 6 Uplink Tput Uplink MCS Index 36. note: All calculations below is for 20MHz, for less bandwidth you just divide. For 16QAM modulation: Downlink Net Throughput: 100. The DFT is used to multiplex uplink transmissions in specific frequency allocation blocks within the overall system bandwidth Dec 29, 2022 · DL Throughput = (DRB Data Transmitted – Last TTI data) / Time Elapsed where DRB stands for Data Radio Bearer. Throughput calculation To calculate LTE throughput the following steps should be performed: Define bandwidth. Example 1 > Throughput, CQI, BLER while driving on a highway This page describes 5G Throughput Test case, Test procedure and minimum conformance requirements. 4G/LTE - Throughput. 20. eNB estimate of the throughput of PDCP SDU bits in uplink for packet sizes or data bursts (where a UL data burst is the collective data received while the eNB estimate of the UE buffer size is continuously above zero) that are large enough to require transmissions to be split across several TTIs, by excluding transmission of the last piece of data. In addition, these cellular networks are unmanaged with conventional techniques, and a more advanced design and optimization methodology that depends on Machine Learning (ML) models is necessary. In LTE release 8 there is no carrier aggregation, so let’s just consider simple cases. 2. 4. Simply put, the code rate can be defined as the ratio of the data rate that is allocated for a subframe and the maximum data rate that ideally can be allocated in the subframe. Throughput Calculation - From UE Cateogory. 22 Mbps LTE throughput calculator formula. Code Rate . Today is the start of uplink throughput computation. The following calculator on LTE throughput uses throughput calculation based on MCS, Number of PRBs (Physical Resource Blocks) and number of MIMO antennas. 15. limit intracell and intercell interference; reduce UE power So the more subscribers are active and receive/transmit data the less resources are allocated to a given subscriber. Despite this flexibility, scheduling in LTE is a challenging functionality to design Jan 1, 2019 · LTE also maintains aggregation of multiple cells in both uplink and downlink directions with up to five serving cells, where each serving cell can have a transmission bandwidth of up to 20 MHz. The way to calculate the ideal throughput using these factors are explained in "Throughput Calculation Example" in Quick Reference page. With OFDMA in the downlink and SC-FDMA in the uplink, LTE possesses a robust and adaptive multiple access scheme that facilitates many physical layer enhancements. 306, 38. (The reason is same as above) iii) With low CQI, it is for sure that you cannot achieve the maximum throughput. 8 UE only. There are two types of frame structure in the LTE Long Term Evolution standard, Type 1 and Type 2. MCS and Modulation Order . Frame Duration (ms) I will calculate the number of LTE level throughput (e. 171. Uplink power control is used mainly for the following two reasons. 3 LTE cell Throughput Calculation Example use this 20 MHz bandwidth for both Downlink and uplink [4]. LTE throughput calculator EXAMPLE: Input : MCS = 10, PRBs = 20, Number of MIMO Antennas = 2 Outputs : LTE throughput = 6. Last TTI with data is an indicator that the data transmitted has finished, and does not add to the user throughput so is normally removed from the equation. The 5G NR Throughput Calculator is developed as per 3GPP TS 38. The key difference is 'number of subframes /sec' parts as marked in red. The results in scenario 1 show that the normalized throughput of the implemented LTE ESPE network is 0. Citation preview. I made several examples of resource allocation and its ideal throughput as follows. As the battery of the phone(UE) is power limited compared to base station power in the DL. This increasing demand in The calculation is based on CRC (Cyclic Redundancy Check) evaluation which is used for inspection the transport blocks at receiver side. 1. 213 Table8. Both Ericsson and Huawei user throughput formula taken into consideration this. e. In other words, single 20MHz bandwidth to achieve up to 600Mbps downlink speed. 6. CRC is attached to each transport block and sending by the transmitter, at the destination the transport block is cross checked by the receiver. Louvros*, K. initial throughput is multiplied by 2 or 4 either MIMO 2x2 or MIMO 4x4 selected, respectively. 10. Aug 17, 2020 · shows uplink cell capacity in Mb/s versus neighbor cell load. g, QPSK, 16 QAM, 64 QAM, 256 QAM). 1 LTE Basic Terminology: This site is for everything on 4G/LTE. Uplink Throughput: SC-FDMA (Single-Carrier Frequency Division Multiple Access): LTE uses SC-FDMA for the uplink transmission, which provides a lower peak-to-average power ratio compared to traditional FDMA. For many people working in LTE, one of the most important question would be what is the maximum throughput for a network, device or network operator. In reality throughput will be a bit lower due to increased number of pilot signals. :) FDD Downlink Throughput: We need to calculate the total physical Jul 12, 2023 · The calculation is based on the 3GPP TS 38. 3-1 and NDL is the downlink EARFCN. Another difference is about TBS each subframe as marked in blue. 4G Theoretical Throughput Calculator Bandwidth Resource Blocks Bandwidth. In case of Uplink in LTE, Power control is used. 4 6 3 15 5 25 10 50 15 20 75 100 One resource block inc . 101-1,2 documents. 4. In other words, it means "The code rate is defined as the ratio between the transport block size and the total number of physical layer bits per subframe tha Mar 23, 2022 · The dataset was divided into four categories based on the average uplink and downlink throughput values where these average values were calculated from dataset, upon which three machine learning algorithms viz. TDD throughput calculation is very similar to FDD case as you see below. LTE Throughput Calculator. 4, 3, 5, 10, 15 or 20 MHz. This work Apr 7, 2013 · DL and UL Throughput calculation for LTE FDD The FDD system has a paired spectrum, same bandwidth for Downlink as well as for Uplink. 7. Mobile wireless technologies have undergone four distinct generations; from uncomplicated voice calls in the first generation to high-speed, low latency and video streaming in the fourth generation. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. Calculator is based on 3GPP communication standards and allows you to calculate the maximum throughput of 4G LTE networks. Add LTE Throughput Calculator. Options Remove Carrier. EARFCN in the LTE system is the short form of E-UTRA Absolute Radio Frequency Channel Number. 4G/LTE - PHY Channel Channel Bandwidth (Mhz) 1. In normal DL or UL subframe, TBS/subframe can be calculated in the same way as in FDD. ii) Low throughput does not necessarily mean low CQI. Following equation/formula is used for this LTE throughput calculator. The spectral efficiency is simply the number of bits transmitted over a frequency bandwidth in a specific time and is measured in bits/s/Hz. These conditions are the most common condition for maximum throughput test. There are two types of reference si gnal in LTE uplink: DMRS used for data reception and sounding reference signal (SRS) u sed for scheduling and link adaptation. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. 3 Modulation supported- as per Cat 3 TBS 75 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Pvt. 305 33 279KB Read more It is not reported to the network. It covers the same for 5G downlink throughput and 5G uplink throughput. LTE network base on live data and to examine the validity of different downlink throughput and inter-site distance in a realistic LTE deployment. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. This Page provides information about 4G LTE Link budget calculator. Throughput Calculation in LTE. * MIMO 8x8 is available to Cat. LTE Physical Layer Overview. Support Vector Machine (SVM), Naïve Bayes and K-Nearest Neighbours (K-NN) were implemented for the prediction of the user throughput Dec 15, 2012 · For example, for LTE, given the knowledge of the current band, bandwidth and modulation and whether or not MIMO is used, one can calculate the PHY-rate and the overheads that need to be accounted Mar 14, 2023 · This Page provides LTE Max (Maximum) users capacity calculator based on CCE. The physical uplink shared Channel (PUSCH) is used to transfer application data. You may know that MCS (Modulation Coding Scheme) is related to Modulation Order (Modulation Depth, e. The value of Uplink throughput is less that downlink throughput, this effect because the UL direction sends less power value than down Jul 1, 2014 · End-to-end QoS performance of Bandwidth and QoS Aware (BQA) scheduler for LTE uplink, together with delay sensitive traffic thresholds, is evaluated in heterogeneous traffic environment in [17]. 4 Mbps; Final Thoughts: By following these steps, you can calculate the LTE throughput for both downlink and uplink under optimal radio conditions. Resource Block Allocation Bandwidth (MHz) Resource Block 1. -1 UE Categories and Maximum Tput LTE Cell Coverage Planning Algorithm Optimising Uplink User Cell Throughput S. To obtain the correct result, it is necessary to enter such important parameters as: mode of 4G LTE network, number of aggregated carriers, number of MIMO layers, Bandwidth, modulation type, and so on. So if the system bandwidth of LTE channel changes, number of the channels (sub carriers) changes but the space between channels does not change. So, it is very likely that you would see low CQI when you see throughput drop in livenetwork test. Physical resource allocations May 24, 2017 · UL: same as DL. The relation between EARFCN and the carrier frequency in MHz for the downlink is given by the following equation, where FDL_low and NOffs-DL are given in Table 5. Uplink throughput in LTE refers to the rate at which data is successfully transmitted from the User Equipment (UE) to the eNodeB (base station). 8 Mbps; Uplink Net Throughput: 50. LTE EARFCN CALCULATOR EXAMPLE: Input : LTE EARFCN = 700 Outputs : LTE Downlink Frequency = 1940 MHz, LTE Uplink Frequency = 1860 MHz LTE EARFCN Calculator Formula or Equation. Achieving high uplink throughput is critical for applications such as video conferencing, live streaming, and cloud-based services, where large amounts of data need to be sent from the user to the network. 104. The first main factor you can think of is 'how many carriers are used for the data traffic'. Let’s assume, the UE is in good radio condition and its capability is available for 150 Mbps for downlink and 50 Mbps for uplink. Let’s take the example for LTE using FDD, where channel bandwidth can be 5 MHz, 10 MHz and 20 MHz. 213 Table 7. The throughput for a device working in a live network would vary at every moment as you can see this drive test. 5. The ultimate goal is to support or make it suitable for the network planning and optimization of LTE. 20 MHz FDD system have 20 MHz for Downlink and 20 MHz for Uplink. g, you can monitor the CPU utilization using Windows Task Manager) Jun 5, 2020 · LTE radio metric, such as Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), and Signal to Noise Ratio (SNR) are used to train models to estimate expected uplink This example demonstrates how to measure the Physical Uplink Shared Channel (PUSCH) throughput performance using the LTE Toolbox™ under conformance test conditions as defined in TS36. 101: 5. Space between the chhanel and the next channel is always same regardless of the system bandwidth of the LTE band. Also Refer LTE throughput basics>> and LTE code rate calculator>> to understand the concept to derive TBS from 36. Q> What is the space between a subcarrier and the next sub carrier ? A> 15 Khz Jun 11, 2016 · Do we Still Perform Power Control on Uplink (UL)? As compared to Downlink. For throughput calculation, suppose: Bandwidth – 20MHz Multiplexing scheme - FDD UE category- Cat. 1-1 TBS index and PRBs are used to determine TBS and Tput Downlink Tput Downlink MCS Index 36. This site is for everything on 4G/LTE. Dec 18, 2013 · The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. LTE UEs typically use SINR to calculate the CQI (Channel Quality Indicator) they report to the network. Throughput Calculation - TDD . Throughput for TDD and FDD 4 G LTE Systems For throughput calculation, suppose: Bandwidth – 20MHz Multiplexing Scheme- TDD TDD Configuration- 2 (D-6, S-2 and U-2) Special Sub frame configuration-7 (DwPTS-10, GP-2 and UpPTS-2) UE category- Cat. 4 Mbps Jun 27, 2011 · Note that the uplink would have lower throughput because the modulation scheme for most device classes is 16QAM in SISO mode only. 306 standard: NR User Equipment (UE) radio access capabilities and uses formula to obtain a 5G NR Throughput data rate in the DL (downlink) and the UL (uplink). Calculator is based on 3GPP 36. 211 communication standards and allows you to calculate Max LTE Users depend on Bandwidth, CFI format, Aggregation CCE levels, DCI, etc. May 20, 2018 · 2. Aggelis* and A. Assuming that the bandwidth of each carrier is same, the more carriers are used the higher throughput you can expect (NOTE : In reality, there are cases where the bandwidth of each carrier would not be same. Jan 2, 2024 · Through efficient resource allocation and scheduling, eNB maximizes downlink throughput. Simply select network type and type in the LCID/CID. LTE Throughput. Hi All,There are lot of new member joined so i a The past decade has witnessed a staggering evolution in cellular networks. The 5G throughput in the downlink refers to 5G-NB to UE data rate while in the uplink it refers to UE to 5G-NB data rate. Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. It can be 1. CA Using LTE Advanced carrier aggregation, it is possible to utilise more than one carrier and in this way increase the overall transmission bandwidth. 39 for the uplink. The formula used in 5G NR throughput (i. As LTE uses different channel bandwidths both for FDD and TDD. With this vast parameter increase, cellular communication networks have grown incredibly complicated. Type 1 uses Frequency Division Duplexing (uplink and downlink separated by frequency), and TDD Time Division Duplex: A duplexing technique dividing a radio channel in time to allow downlink operation during part of the frame period and uplink operation in the The way to calculate the ideal throughput using these factors are explained in "Throughput Calculation Example" in Quick Reference page. Downlink and uplink are focused within the scope of this paper. data rate) calculator is also described. It also depends on subscriber and connection (bearer in terms of LTE) priorities. gvjv zjhx xnszg sesml qtnqqnm vyvl nfmfpby ozeb nijxy ejeemgo