Uplink throughput calculation in lte
Uplink throughput calculation in lte. Jan 2, 2024 · The current and next generations of cellular networks produce a massive amount of data. The results in scenario 1 show that the normalized throughput of the implemented LTE ESPE network is 0. For 16QAM modulation: Downlink Net Throughput: 100. The numerous services brought to the users by 4G network have caused an increasing load demand. -1 UE Categories and Maximum Tput LTE Cell Coverage Planning Algorithm Optimising Uplink User Cell Throughput S. CA Using LTE Advanced carrier aggregation, it is possible to utilise more than one carrier and in this way increase the overall transmission bandwidth. Another notice is calculated throughput includes LTE headers (i. Throughput Calculation Example - FDD. 3 Modulation supported- as per Cat 3 TBS 75 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Pvt. 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. 22 Mbps LTE throughput calculator formula. 213 Table 7. LTE UEs typically use SINR to calculate the CQI (Channel Quality Indicator) they report to the network. Aggelis* and A. This site is for everything on 4G/LTE. 20. 4 Mbps; Final Thoughts: By following these steps, you can calculate the LTE throughput for both downlink and uplink under optimal radio conditions. Modulation Downlink Modulation. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. 4. 4G/LTE - PHY Channel Channel Bandwidth (Mhz) 1. 211 communication standards and allows you to calculate Max LTE Users depend on Bandwidth, CFI format, Aggregation CCE levels, DCI, etc. Physical resource allocations May 24, 2017 · UL: same as DL. Louvros*, K. Select network type 4G LTE 3G UMTS 2G GSM Cell Identifier Feb 12, 2015 · The maximum data rate depends on channel bandwidth. Frame Duration (ms) I will calculate the number of LTE level throughput (e. g, QPSK, 16 QAM, 64 QAM, 256 QAM). So, it is very likely that you would see low CQI when you see throughput drop in livenetwork test. 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. In LTE release 8 there is no carrier aggregation, so let’s just consider simple cases. 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. Example 1 > Throughput, CQI, BLER while driving on a highway This page describes 5G Throughput Test case, Test procedure and minimum conformance requirements. Options Remove Carrier. This Page provides information about 4G LTE Link budget calculator. 20 MHz FDD system have 20 MHz for Downlink and 20 MHz for Uplink. 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. LTE Throughput. e. As LTE uses different channel bandwidths both for FDD and TDD. Add LTE Throughput Calculator. There are two types of frame structure in the LTE Long Term Evolution standard, Type 1 and Type 2. 101-1,2 documents. The physical uplink shared Channel (PUSCH) is used to transfer application data. 213 Table8. In case of Uplink in LTE, Power control is used. Both Ericsson and Huawei user throughput formula taken into consideration this. 5. 4, 3, 5, 10, 15 or 20 MHz. 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). Net throughput in Mbps: 50,400 bits/ms × 1,000 ms/s / 1,000,000 bits/Mbps = 50. LTE Throughput Calculator. 101: 5. The formula used in 5G NR throughput (i. Code Rate . 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. 4. Throughput Calculation in LTE. These conditions are the most common condition for maximum throughput test. Simply select network type and type in the LCID/CID. Citation preview. 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. 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. 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. It can be 1. Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. 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. Сalculator allows to calculate the maximum Link budget of 4G LTE network depending on Cell Radius, eNodeB/UE configuration, Propagation model, attenuations, etc. It covers the same for 5G downlink throughput and 5G uplink throughput. 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 . (The reason is same as above) iii) With low CQI, it is for sure that you cannot achieve the maximum throughput. Uplink throughput in LTE refers to the rate at which data is successfully transmitted from the User Equipment (UE) to the eNodeB (base station). 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. 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. As the battery of the phone(UE) is power limited compared to base station power in the DL. The following calculator on LTE throughput uses throughput calculation based on MCS, Number of PRBs (Physical Resource Blocks) and number of MIMO antennas. Another difference is about TBS each subframe as marked in blue. 305 33 279KB Read more It is not reported to the network. Throughput calculation To calculate LTE throughput the following steps should be performed: Define bandwidth. 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. 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. EARFCN in the LTE system is the short form of E-UTRA Absolute Radio Frequency Channel Number. note: All calculations below is for 20MHz, for less bandwidth you just divide. The way to calculate the ideal throughput using these factors are explained in "Throughput Calculation Example" in Quick Reference page. 15. The throughput for a device working in a live network would vary at every moment as you can see this drive test. 4G/LTE - Throughput. In normal DL or UL subframe, TBS/subframe can be calculated in the same way as in FDD. 3 LTE cell Throughput Calculation Example use this 20 MHz bandwidth for both Downlink and uplink [4]. MCS and Modulation Order . 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. 171. :) FDD Downlink Throughput: We need to calculate the total physical Jul 12, 2023 · The calculation is based on the 3GPP TS 38. 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. Following equation/formula is used for this LTE throughput calculator. With this vast parameter increase, cellular communication networks have grown incredibly complicated. May 20, 2018 · 2. Downlink and uplink are focused within the scope of this paper. 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. 1. Jan 2, 2024 · Through efficient resource allocation and scheduling, eNB maximizes downlink throughput. 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. LTE throughput calculator EXAMPLE: Input : MCS = 10, PRBs = 20, Number of MIMO Antennas = 2 Outputs : LTE throughput = 6. 7. 39 for the uplink. 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. 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. 10. Let’s take the example for LTE using FDD, where channel bandwidth can be 5 MHz, 10 MHz and 20 MHz. Calculator is based on 3GPP communication standards and allows you to calculate the maximum throughput of 4G LTE networks. This parameter is taken with some inaccuracy, i. The first main factor you can think of is 'how many carriers are used for the data traffic'. 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. Throughput Calculation - TDD . 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. You may know that MCS (Modulation Coding Scheme) is related to Modulation Order (Modulation Depth, e. 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. 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). ii) Low throughput does not necessarily mean low CQI. data rate) calculator is also described. 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. 3-1 and NDL is the downlink EARFCN. Thus, the ESPE LTE network was deployed and can be used as a testbed and a platform for teaching the LTE standard. LTE network base on live data and to examine the validity of different downlink throughput and inter-site distance in a realistic LTE deployment. I made several examples of resource allocation and its ideal throughput as follows. Also Refer LTE throughput basics>> and LTE code rate calculator>> to understand the concept to derive TBS from 36. Dec 18, 2013 · The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. SINR is used a lot by operators, and the LTE industry in general, as it better quantifies the relationship between RF conditions and Throughput. 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. Space between the chhanel and the next channel is always same regardless of the system bandwidth of the LTE band. Ltd. Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. It is recommended to read OFDMA/SC-FDMA sections to clearly understand throughput calculation in LTE. 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). 3. 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. CRC is attached to each transport block and sending by the transmitter, at the destination the transport block is cross checked by the receiver. Uplink power control is used mainly for the following two reasons. For throughput calculation, suppose: Bandwidth – 20MHz Multiplexing scheme - FDD UE category- Cat. 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. 4 6 3 15 5 25 10 50 15 20 75 100 One resource block inc . 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. 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. Throughput Calculation - From UE Cateogory. 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. Feb 3, 2022 · A 4G LTE network was implemented by using SDR and open-source LTE software. Calculator is based on 3GPP 36. Uplink Modulation MiMo. 8 Mbps; Uplink Net Throughput: 50. 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. 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. It also depends on subscriber and connection (bearer in terms of LTE) priorities. 6. So if the system bandwidth of LTE channel changes, number of the channels (sub carriers) changes but the space between channels does not change. 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. TDD throughput calculation is very similar to FDD case as you see below. 2. In reality throughput will be a bit lower due to increased number of pilot signals. 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]. The ultimate goal is to support or make it suitable for the network planning and optimization of LTE. Basic Uplink Throughput in LTE (FDD Case) There has been a series of posts for LTE Throughput computation in both FDD and TDD. Resource Block Allocation Bandwidth (MHz) Resource Block 1. 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. initial throughput is multiplied by 2 or 4 either MIMO 2x2 or MIMO 4x4 selected, respectively. 306, 38. The 5G NR Throughput Calculator is developed as per 3GPP TS 38. 1-1 TBS index and PRBs are used to determine TBS and Tput Downlink Tput Downlink MCS Index 36. 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. 104. Hi All,There are lot of new member joined so i a The past decade has witnessed a staggering evolution in cellular networks. 1 LTE Basic Terminology: This site is for everything on 4G/LTE. LTE Physical Layer Overview. 3 Carrier frequency and EARFCN. 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. * MIMO 8x8 is available to Cat. 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. 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. 4G Theoretical Throughput Calculator Bandwidth Resource Blocks Bandwidth. In other words, single 20MHz bandwidth to achieve up to 600Mbps downlink speed. 8 UE only. Today is the start of uplink throughput computation. PDCP, RLC and MAC). 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 key difference is 'number of subframes /sec' parts as marked in red. Aug 17, 2020 · shows uplink cell capacity in Mb/s versus neighbor cell load. 83 for the downlink and 0. irdnoyuwf mgqmshz abbx gktc kbcgl gxyf qph jfjf jfgsz pqimoheu