Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Thus, six bits of the original information sequence using QPSK 3/4 were transmitted in four time slots, and using QAM16 1/2 - in three, this demonstrates the QAM16 1/2 modulation code scheme advantage in channel and information rate. The high modulation code schemes using can improve the communication channel performance by increasing the throughput, however, as it is shown in the online course, the high modulation code schemes using is possible only for radio channels with a large link margin.

In the R5000 family InfiLINK 2x2, InfiMAN 2x2, InfiLINK Evolution and InfiMAN Evolutionfamilies devices, the modulation code scheme type is shown as a bitrate, in the InfiLINK XG and InfiLINK XG 1000 families devices, MCS itself is displayed.  In In order to eliminate confusions, in the document below the MCS (modulation code scheme) index will be used.  The The correspondence between modulation and index is shown in the table below.

Table of the correspondence between modulation code scheme and bitrate in

...

InfiLINK 2x2, InfiMAN 2x2 devices
Center
Channel width, MHz5102040
Modulation code scheme indexModulation typeBitrate, Kbps
MCS15QAM64 5/63200065000130000300000
MCS14QAM64 3/42900058000117000270000
MCS13QAM64 2/32600052000104000240000
MCS12QAM16 3/4190003900078000180000
MCS11QAM16 1/2130002600052000120000
MCS10QPSK 3/49000190003900090000
MCS9QPSK 1/26000130002600060000
MCS8BPSK 1/2300060001300030000
Table of the correspondence between modulation code scheme and bitrate in InfiLINK Evolution, InfiMAN Evolution
Center
Channel width, MHz204080
Modulation code scheme indexModulation typeBitrate, Kbps
MCS 9QAM256 5/6-400000866700
MCS 8QAM256 3/4173300360000780000
MCS 7QAM64 5/6144400300000650000
MCS 6QAM64 3/4130300270000585000
MCS 5QAM64 2/3115600240000520000
MCS 4QAM16 3/486700180000390000
MCS 3QAM16 1/257800120000260000
MCS 2QPSK 3/44330090000195000
MCS 1QPSK 1/22890060000130000
MCS 0BPSK 1/2144003000065000
Table of the correspondence between MCS index and modulation type in InfiLINK XG/InfiLINK XG 1000 family devices
Center
Modulation code scheme indexModulation type
MCS10QAM1024 8/10
MCS9QAM256 30/32
MCS8QAM256 7/8
MCS7QAM256 6/8
MCS6QAM64 5/6
MCS5QAM64 4/6
MCS4QAM16 3/4
MCS3QAM16 1/2
MCS2QPSK 3/4
MCS1QPSK 1/2
MCS0QPSK 1/4
Table of the correspondence between MCS index and modulation type in Quanta 5

...

, Quanta 6 families devices
Center
Modulation code scheme indexModulation type
MCS 13QAM256 7/8
MCS 12QAM256 13/16
MCS 11QAM256 3/4
MCS 10QAM64 5/6
MCS 9QAM64 3/4
MCS 8QAM64 2/3
MCS 7QAM16 3/4
MCS 6QAM16 5/8
MCS 5QAM16 1/2
MCS 4QPSK 3/4
MCS 3QPSK 5/8
MCS 2QPSK 1/2
MCS 1QPSK 1/3
MCS 0QPSK 1/4

...

The VBR option is available only on the R5000 family devices  InfiLINK 2x2, InfiMAN 2x2 families devices with software that supports TDMA technology and on the InfiLINK Evolution, InfiMAN Evolution families devices.