Technical Specification. LTE;. Evolved Universal Terrestrial Radio Access (E- UTRA);. Physical layer procedures. (3GPP TS version Release 8). 3GPP TS V (). Technical Specification. 3 rd. Generation Partnership Project;. Technical Specification Group Radio Access Network;. Descriptor and Table of Contents (1 of 9) for 3GPP TS – Evolved Universal Terrestrial Radio Access (E-UTRA) – Physical layer procedures.
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A downlink signal 3fpp to a set of resource elements used by the physical layer but does not carry information originating from higher layers. Some important parameter sets for each transmission mode are as follows.
In terms of interpreting the general meaning of the graph, you will get some insight from the interpretation of SNR vs BER graph. One of 3hpp confusing but important thing about transmission mode is to understand the relationship between each transmissiom mode and reference signal antenna ports. Select the China site in Chinese or English for best site performance. Three important blocks in physical layer to determin the transmission mode can be illustrated as follows.
However, you would see much increased error rate in C. Followings are four plots from Ref . Trial Software Product Updates. UpPTS and subframe 2 3g;p reserved for uplink transmission and subframes 7 to 9 are reserved for downlink transmission.
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Modulation and code scheme lookup – MATLAB lteMCS
To understand very details of each transmission mode requires almost complete knowledge of physical 36.2133 processing. Agilent’s former Test and Measurement business has become Keysight Technologies. For example, you have two downlink antenna. Click the button below to return to the English version of the page. Translated by Mouseover text to see original.
Each radio frame of length consists of two half-frames of length each. Or you can just use only one of 3hpp antenna and sometimes you would like to use various different multiplexing, precoding methods etc. The basic transmission parameters are then specified in more detail in the following table.
Of course, one ways is to use it as 2 x 2 MIMO, but this is not the only way.
Let’s take a look at a measurement done by a UE in the field. Each transmission mode determin which path the input data should follow through. The following downlink physical signals are defined:.
Reserved values of itbs are returned as NaN and 36.2213 values of mod are returned as the empty character vector.
The following uplink physical channels are defined:. The values of imcs must be in the range 0, Evaluations can be made regarding degraded system performance due to system impairments that may include non-ideal component performance.
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This page has been translated by MathWorks. MathWorks does not warrant, and disclaims all liability for, the accuracy, suitability, or fitness for purpose of the translation. The major purpose of MIMO is to increase the throughput but throughput part is not shown in this graph.
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An uplink physical channel corresponds to a set of resource elements carrying information originating from higher layers and is the interface defined between Created by Greg Miller on Mar 63.213, Uplink and downlink transmissions are separated in the frequency domain.
Modeling and coding scheme indices, specified as a vector of values from 0 through Both 5 ms and 10 ms switch-point periodicity is supported.
Transport block size indices, returned as a column vector of values from 0 through 33 or To understad this process in detail, it is crucial to understand details of Precoding in basic procedure page. The output from the encoding process is the channel bits given by the size N bits see Channel Bits Calculationwhich will be sent to Symbol Modulation transmitted in the given subframe.
Modulation orders, returned as a single column cell array of character vectors.