- Uplink throughput calculation in lte. Compared to geostationary earth orbit, low earth orbit (LEO) satellite communication has the advantage of low propagation loss, but suffers from high Doppler shift. 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. g, QPSK, 16 QAM, 64 QAM, 256 QAM). Networks on LTE band 20 (LTE-FDD) are suitable for roaming in ITU Region 1 only. e. 4 Mbps; Final Thoughts: By following these steps, you can calculate the LTE throughput for both downlink and uplink under optimal radio conditions. In 5G NR, the base station channel bandwidth can be greater than or equal to the UE channel bandwidth. (The reason is same as above) iii) With low CQI, it is for sure that you cannot achieve the maximum throughput. Q> What is the space between a subcarrier and the next sub carrier ? A> 15 Khz So the more subscribers are active and receive/transmit data the less resources are allocated to a given subscriber. This Page provides information about 4G LTE Link budget calculator. These conditions are the most common condition for maximum throughput test. Dec 15, 2012 路 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 HI all,Please go through video of Throughput Calculation in LTE (FDD & TDD) # How to Calculate LTE Data Rate. This calculator on LTE throughput is based on MCS,Number of PRBs (Physical Resource Blocks) and number of MIMO antennas. This increasing demand in Jan 1, 2019 路 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. I made several examples of resource allocation and its ideal throughput as follows. 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. Uplink power control is used mainly for the following two reasons. However, you cannot get the absolute signal quality information from RSRQ only since the value would vary depending on Bandwidth and RB allocation. Calculator is based on 3GPP communication standards and allows you to calculate the maximum throughput of 4G LTE networks. For future mobile networks, intelligent radio resource allocation and power control schemes are required to accommodate the increasing This Page provides information about 4G LTE Timing Advance (TA) Distance Calculator. Ltd. 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. history-based, calculation-based, and ML -based predictions. Feb 5, 2024 路 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. The physical uplink shared Channel (PUSCH) is used to transfer application data. All the cells are same having bandwidth (15MHz) and same frequency configured. Also the counter which keeps track of how throughput is being estimated for the UE is important to know. Uplink Resource Grid; Channels in Communication; Gallery . InitPRBSet,chs. LTE throughput calculation formula or equation Space between the chhanel and the next channel is always same regardless of the system bandwidth of the LTE band. It can be 1. Another difference is about TBS each subframe as marked in blue. So, it is very likely that you would see low CQI when you see throughput drop in livenetwork test. It also depends on subscriber and connection (bearer in terms of LTE) priorities. Subcarrier Spacing: The subcarrier spacing in LTE can be either 15 kHz or 7. Feb 1, 2017 路 LTE-Advanced supports single user MIMO (SU-MIMO) scheme up to eight layers (8x8 MIMO) for downlink and four layers (4x4 MIMO) for uplink. The most common bandwidth that network operators has for LTE is 10 Mhz, which means they are not fully utilizing the LTE capability in terms of bandwidth. Throughput Calculation in LTE. 4 MHz, whereas it has less impact on larger channel bandwidths --- You may think that is obvious 馃檪 Duh 3GPP organization has technical specifications for power control in LTE. (Number of DL RB should should be the multiples of RBG for the corresponding system bandwidth) < 36. 101-1,2 documents. Feb 1, 2017 路 With this technology, it achieves peak spectral efficiency of 30 bit/s/Hz for downlink and 15 bit/sec/Hz for uplink. 15. 4, 3, 5, 10, 15 or 20 MHz. Link adaptation in Long Term Evolution (LTE) systems dynamically adjusts the data rate of transmitted information (modulation scheme and channel code rate) to equalize the existing radio channel capacity assigned for each user. Downlink and uplink are focused within the scope of this paper. 8 UE only. 1-1. 104. This page mentions LTE Resource Block Calculator. Even though the current LTE supports 20 Mhz BW in max, there are only a few network operators who is certified for such a wide bandwidth. 3. Basic Uplink Throughput in LTE (FDD Case) There has been a series of posts for LTE Throughput computation in both FDD and TDD. The LTE PRB calculation outputs FFT size and number of used subcarriers. Downlink System Bandwidth > Jun 21, 2021 路 Effective management of radio resources and service quality assurance are two of the essential aspects to furnish high-quality service in Long Term Evolution (LTE) networks. 213 - Table 7. However Oct 26, 2015 路 In a 3rd Generation Partnership Project Long Term Evolution-Advanced (3GPP LTE-A) uplink, user equipment (UE) has a maximum transmission power limit defined by the UE power class. 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. So, in stead of directly jumping into max throughput test, increase the throughput step-by-step and check CPU utilization (e. note: All calculations below is for 20MHz, for less bandwidth you just divide. There are only %d narrowbands in the bandwidth from 0%d', nNB+1, nNB); end % If frequency hopping is disabled, the allocation is the same for % every subframe if ~chs. Additional assumption about the UL MIMO throughput is that each Component Carrier has the same configuration so the throughput increase is in direct proportion to the number of RF carriers. Hopping prbset = prbsets(chs. Uplink Inter-cell Interference (ICI) is approximated with a lognormal distribution with statistical parameters being determined analytically. 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. 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. LTE provides an increment in downlink speed (100Mbps) and an uplink speed (50Mbps). This site is for everything on 4G/LTE. Support Vector Machine (SVM), Naïve Bayes and K-Nearest Neighbours (K-NN) were implemented for the prediction of the user throughput The Uplink Throughput Above is for Extended Cyclic Prefix. 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: Jun 6, 2020 路 LTE Throughput Calculation in both Downlink & Uplink In reality throughput will be a bit lower due to increased number of pilot signals. 1-1 and Table 5. Let’s take the example for LTE using FDD, where channel bandwidth can be 5 MHz, 10 MHz and 20 MHz. So if the system bandwidth of LTE channel changes, number of the channels (sub carriers) changes but the space between channels does not change. Up to Rel-14, LTE-M device uses QPSK and 16-QAM modulation schemes with a single antenna for downlink and uplink. It covers the same for 5G downlink throughput and 5G uplink throughput. In reality throughput will be a bit lower due to increased number of pilot signals. 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). 39 for the uplink. 4 6 3 15 5 25 10 50 15 20 75 100 One resource block inc . Despite this flexibility, scheduling in LTE is a challenging functionality to design Dec 26, 2023 路 The LTE frequency band is divided into subcarriers, and a PRB represents a specific set of these subcarriers. 2. Feb 3, 2022 路 A 4G LTE network was implemented by using SDR and open-source LTE software. As LTE uses different channel bandwidths both for FDD and TDD. In LTE release 8 there is no carrier aggregation, so let’s just consider simple cases. Oct 5, 2015 路 In this paper, we propose an analytical framework for uplink effective Signal-to-Interference-plus-Noise (SINR) analysis in LTE networks. Ericsson defined throughput (UL or DL) is "the speed at which packets are being transferred by the time the first packet has been scheduled in the air interface". Jun 5, 2018 路 Regarding throughput block in the diagram coding:- 1)How it has been calculated . PDCP, RLC and MAC). LTE Throughput Calculator. Jul 1, 2014 路 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]. 1-1: Type 0 resource allocation RBG size vs. Code Rate . Nov 26, 2022 路 It also has some symbols for uplink control channels like Sounding Reference Signals or SRS. Throughput Calculation Example - FDD. Add Feb 12, 2015 路 The maximum data rate depends on channel bandwidth. 4G Theoretical Throughput Calculator Bandwidth Resource Blocks Bandwidth. The only thing that changes here is the concept that in case of extended cyclic prefix, we have less number of Single Carrier - FDMA (SC-FDMA) symbols compared to normal cyclic prefix in 1 msec subframe. 4 Mbps This page describes 5G Throughput Test case, Test procedure and minimum conformance requirements. You may know that MCS (Modulation Coding Scheme) is related to Modulation Order (Modulation Depth, e. Since AWS-3 deployments (with LTE uplink transmissions in the 1755–1780 MHz range) were not available, the AWS-1 band (with LTE uplink transmissions from 1710 to 1755 MHz) was used as a proxy. In normal DL or UL subframe, TBS/subframe can be calculated in the same way as in FDD. 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. limit intracell and intercell interference; reduce UE power Ue 小ategories 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 LTE throughput calculator EXAMPLE: Input : MCS = 10, PRBs = 20, Number of MIMO Antennas = 2 Outputs : LTE throughput = 6. Vendors might have a bit different calculation including some Jul 22, 2021 路 As the LTE system has a bandwidth from 1. The accessible bandwidth is from 1 MHz to 20 MHz and supports both Frequency Division Duplex (FDD) and Time Division. In wireless system, these terms uplink and downlink are used to indicate channels (uplink channel, downlink channel) , frame structure (uplink frame, downlink frame), packets (uplink packet, downlink packet) and so on. Slot Structure. Throughput calculation To calculate LTE throughput the following steps should be performed: Define bandwidth. g, 100 Mbps and over) is pretty tough task not only for IP stack, but also the IP application software and CPU utilization. 3. Example 1 > Throughput, CQI, BLER while driving on a highway Mar 14, 2023 路 This Page provides LTE Max (Maximum) users capacity calculator based on CCE. Networks on LTE band 5 (LTE-FDD) are suitable for roaming in ITU Regions 2 and 3. The ultimate goal is to support or make it suitable for the network planning and optimization of LTE. Dec 18, 2013 路 The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. 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. Jun 27, 2022 路 In urban areas, the network operators deploy small-cell sites and install a large number of base stations to support densely populated cellular users. g. As the battery of the phone(UE) is power limited compared to base station power in the DL. measure, in carefully selected scenarios, aggregate LTE uplink signal levels to facilitate comparisons between measured and modeled results. 4 j0 = floor((chs Citation preview. Overhead generated by 2 msec PRACH transmission per radio frame has a more significant impact upon the throughput associated with smaller bandwidths such as 1. Following equation/formula is used for this LTE throughput calculator. 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. Original code from Github. 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 ii) Low throughput does not necessarily mean low CQI. Timing advance (TA) is a UE offset between the start of a received downlink subframe and a transmitted uplink subframe. < LTE FDD Uplink Frame Structure > As in downlink, Frame time and slot time in Uplink is the same as The calculation is based on CRC (Cyclic Redundancy Check) evaluation which is used for inspection the transport blocks at receiver side. Calculator is based on 3GPP 38. Resource Block Allocation Bandwidth (MHz) Resource Block 1. The standard channel bandwidths in LTE are divided into PRBs, and each PRB consists of 12 subcarriers. Thus, the ESPE LTE network was deployed and can be used as a testbed and a platform for teaching the LTE standard. 22 Mbps LTE throughput calculator formula. D2D communication aims to improve the spectral efficiency and increases the overall system capacity. It calculates PRB (Physical Resource Block) based on channel Bandwidth. 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 Net throughput in Mbps: 50,400 bits/ms × 1,000 ms/s / 1,000,000 bits/Mbps = 50. 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. When the UE transmission power is constrained by the This page covers 5G NR Throughput Calculator. 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. 10. Today is the start of uplink throughput computation. The throughput for a device working in a live network would vary at every moment as you can see this drive test. 2)On which all parameters the value of throughput is dependent. Networks on LTE bands 1, 3 (LTE-FDD) are suitable for roaming in ITU Regions 1, 3 and partially Region 2 (e. Select network type 4G LTE 3G UMTS 2G GSM Cell Identifier Dec 29, 2022 路 DL Throughput = (DRB Data Transmitted – Last TTI data) / Time Elapsed where DRB stands for Data Radio Bearer. It is recommended to read OFDMA/SC-FDMA sections to clearly understand throughput calculation in LTE. For effective SINR Mar 23, 2022 路 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. 3)Whether all such parameters has been taken into consideration while throughput calculation in the . Keywords—Drive test, LTE, machine learning, uplink throughput prediction. 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. The formula used in 5G NR throughput (i. 3 LTE cell Throughput Calculation Example use this 20 MHz bandwidth for both Downlink and uplink [4]. 211 Section 5. 20. The numerous services brought to the users by 4G network have caused an increasing load demand. 3 Carrier frequency and EARFCN. 小alculator allows to calculate the maximum Link budget of 4G LTE network depending on Cell Radius, eNodeB/UE configuration, Propagation model, attenuations, etc. :) FDD Downlink Throughput: We need to calculate the total physical 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. As we are talking about uplink direction here, then we need to mention PRACH, PUSCH, PUCCH and SRS power control. 4. Hence, the Slot-4 has 7 symbols used for data in this example and if we incorporate that overhead in our calculation then the throughput will be slightly lower as shown by the 5G Throughput Calculator Tool Apr 4, 2024 路 Beyond its role as an uplink transport channel, RACH offers a multifaceted approach to uplink communication: Uplink Synchronization: Imagine two orchestras trying to play together. Just take a look at the overall uplink slot structure. The results in scenario 1 show that the normalized throughput of the implemented LTE ESPE network is 0. 5. The 5G NR Throughput Calculator is developed as per 3GPP TS 38. Jan 2, 2024 路 The current and next generations of cellular networks produce a massive amount of data. 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. Dec 29, 2022 路 DL Throughput = (DRB Data Transmitted – Last TTI data) / Time Elapsed where DRB stands for Data Radio Bearer. But anyway good thing to me was that the most important factors in uplink slot is same as the one in the downlink. Frame Duration (ms) I will calculate the number of 5G Theoritical Throughput Calculator Calculator with practical constraints is also available via menu Select Frequency Range + Direction FR1 - Downlink FR2 - Downlink FR1 - Uplink FR2 - Uplink Frequency Range + Direction Jun 27, 2011 路 Note that the uplink would have lower throughput because the modulation scheme for most device classes is 16QAM in SISO mode only. In other words, single 20MHz bandwidth to achieve up to 600Mbps downlink speed. 214 communication standards and allows you to calculate TBS depends on MCS (Modulation order, code rate), number of used PRB etc. LTE Throughput. The formula used in LTE resource block calculator is also mentioned. 214 Table 5. 305 33 279KB Read more Important Observations. LTE network base on live data and to examine the validity of different downlink throughput and inter-site distance in a realistic LTE deployment. Similarly, in LTE, successful data exchange relies on synchronized uplink and downlink transmissions. Use this calculator to calculate LTE throughput, and carrier aggregation Throughput. A similar small-cell deployment in rural areas is not feasible for the operators, as it will significantly increase the capital expenditure, and the return on the investment will also be comparatively lower. g, you can monitor the CPU utilization using Windows Task Manager) This site is for everything on 4G/LTE. 4. This parameter is taken with some inaccuracy, i. 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. • Accessible bandwidth; • Improvement in spectral efficiency; • IP network; and • Great support for multitude of user types. Another notice is calculated throughput includes LTE headers (i. MCS and Modulation Order . 5 kHz, depending on the LTE channel bandwidth. Each of them has own defined mathematical calculation formula. The placement of the UE channel bandwidth for each UE carrier is flexible but can only be completely within the BS channel bandwidth. 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. 101: 5. InitNarrowbandIndex+1); return end % Hopping narrowband calculation according to TS 36. Without proper synchronization, the music would be chaotic. gvi program Can I get some helping material to unde Aug 31, 2018 路 Three LTE small cells located in a room approximately same distance between each other which are having some interference. CA Using LTE Advanced carrier aggregation, it is possible to utilise more than one carrier and in this way increase the overall transmission bandwidth. 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. Counters such as which show , how much data is there in PDCP , or how much data volume was accumulated in the last Transmission Time Interval (TTI) . 4G/LTE - PHY Channel Channel Bandwidth (Mhz) 1. Despite the base station involving several ingenious scheduling schemes for resource allocation, the intended outcome might be influenced by the interference, especially in heterogeneous scenarios, where many kinds of Oct 29, 2015 路 The principle of link adaptation is essential for the development of a radio interface project for efficient packet switching data traffic [1, 2]. initial throughput is multiplied by 2 or 4 either MIMO 2x2 or MIMO 4x4 selected, respectively. In case of Uplink in LTE, Power control is used. 22 Mbps . May 24, 2017 路 UL: same as DL. Generally, the cell edge UE has a higher probability to be constrained by the maximum transmission power level owing to the compensation of the large pathloss. The use of DFTS-OFDM on the LTE uplink allows for orthogonal separation of uplink transmissions also in the frequency domain. May 15, 2015 路 Device-to-device (D2D) communication-enabled cellular networks allow cellular devices to directly communicate with each other without any evolved NodeB (eNB). Jan 2, 2024 路 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. Hi All,There are lot of new member joined so i a Mar 3, 2024 路 Thank you for sharing this insightful article on LTE throughput optimization and the role of PDCCH enhancements in achieving it. As you see in the RSRQ page, the maximum RSRQ value you can achieve is -3dB. If you know the MCS index and number of RBs, you can calculate the throughput for that specific MCS idex and RB as follows: Use this page calculate things such as eNB ID/RNC-ID/BSIC or hex values of IDs. The values shown above for the case of MIMO are double or 4 times compared to non-MIMO scenario. 4 MHz . EARFCN in the LTE system is the short form of E-UTRA Absolute Radio Frequency Channel Number. This LTE throughput Calculator is used for calculation of throughput as per 4G LTE standard. 83 for the downlink and 0. Costa Rica, Venezuela, Brazil and some Caribbean countries or territories. 3-1 and NDL is the downlink EARFCN. Both Ericsson and Huawei user throughput formula taken into consideration this. The key difference is 'number of subframes /sec' parts as marked in red. 1 LTE Basic Terminology: 2. CRC is attached to each transport block and sending by the transmitter, at the destination the transport block is cross checked by the receiver. Throughput Calculation - TDD . Band 66 : The range 2180-2200 MHz of the DL operating band is restricted to E-UTRA operation when carrier aggregation is configured As far as I know, it is not because of this. 211 communication standards and allows you to calculate Max LTE Users depend on Bandwidth, CFI format, Aggregation CCE levels, DCI, etc. The assumptions in throughput computation are the same as as for normal cyclic prefix. In history-based predictions, the throughput is The first main factor you can think of is 'how many carriers are used for the data traffic'. 1-2. Despite this flexibility, scheduling in LTE is a challenging functionality to design This Page provides information about 5G NR TBS (Transport Block size) Calculator. Modulation Downlink Modulation. Simply select network type and type in the LCID/CID. 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. Jan 11, 2024 路 Although similar to DL throughput, UL throughput has special considerations to take when analyzing performance issues on a network. Then, we rely on log skew normal approximation to model the single-carrier SINR distribution. 6. Calculator is based on 3GPP 36. Jan 2, 2024 路 Through efficient resource allocation and scheduling, eNB maximizes downlink throughput. Modulation Order and Code Rate are determined by tables: 38. 36. 4 to 20 MHz, a number of non-overlapping narrowbands can be used if the LTE bandwidth exceeds 1. May 20, 2018 路 2. The 3GPP proposes Jun 18, 2024 路 LTE frequency band and arfcn calculator. 4G/LTE - Throughput. With this vast parameter increase, cellular communication networks have grown incredibly complicated. Uplink Modulation MiMo. 3 Modulation Jun 11, 2016 路 Do we Still Perform Power Control on Uplink (UL)? As compared to Downlink. Physical resource allocations 75 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Pvt. LTE throughput calculator EXAMPLE: Input : MCS = 10, PRBs = 20, Number of MIMO Antennas = 2 Outputs : LTE throughput = 6. Each cell is connected with a three separate UE(Phone) and calculated downlink and uplink throughput, Each phone is receiving ~ ( 25 to 38 Mbps). With this technology, it achieves peak spectral efficiency of 30 bit/s/Hz for downlink and 15 bit/sec/Hz for uplink. Downlink System Bandwidth > Dec 18, 2013 路 The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. The way to calculate the ideal throughput using these factors are explained in "Throughput Calculation Example" in Quick Reference page. Mar 16, 2011 路 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 Uplink throughput in LTE refers to the rate at which data is successfully transmitted from the User Equipment (UE) to the eNodeB (base station). This rule is derived from the Resource Block Group(RBG) size for each bandwidth, and the RBG size for system bandwidth is shown in TS 36. This work The past decade has witnessed a staggering evolution in cellular networks. The higher RSRQ is, the better the signal quality is if Bandwidth and number of RB allocation is same. Throughput Calculation - From UE Cateogory. 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. 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. 213 Table 7. TDD throughput calculation is very similar to FDD case as you see below. Sep 19, 2022 路 The 3rd Generation Partnership Project (3GPP) narrowband Internet of Things (NB-IoT) over non-terrestrial networks (NTN) is the most promising candidate technology supporting 5G massive machine-type communication. * MIMO 8x8 is available to Cat. Whereas support for 64-QAM in downlink has been introduced in Rel-15 . 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. 7. For 16QAM modulation: Downlink Net Throughput: 100. Note: In 4G LTE, there is a one-to-one mapping between base station channel bandwidth and UE channel bandwidth. Thus, the LTE uplink transmission scheme should be described as OFDM with different techniques, including DFT precoding for data transmission, being used to reduce the cubic metric of the transmitted signal. Options Remove Carrier. 1. data rate) calculator is also described. LTE level throughput (e. Also Refer LTE throughput basics>> and LTE code rate calculator>> to understand the concept to derive TBS from Throughput: Look for Throughput counters for a specific vendor in Downlink and Uplink. 8 Mbps; Uplink Net Throughput: 50. 306, 38. ilg fvgkx lnr tchdd xnn kzpra jtjuvx yir mcy tmor
