Typical Throughput and Latency for Microwave Links

Typical Throughput and Latency for Sagittar LCS Microwave Radio Links

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Typical Throughput (Capacity) and Latency information is important when considering what is achievable with the available bandwidth, be it 7, 14, 28 or 56MHz.

Below are two tables to assist determination of throughput speed vs bandwidth for Sagittar LCS Microwave Radio Links.

The first table summarizes practical data throughput speeds for 1+0 Microwave radio links.

The second table summarizes link latency values for 1+0 Microwave radio links.

If you are considering using 2+0 or 2+0 XPIC for your link, you can double the data throughput speed in the table below.

For example, using 1+0 and 256QAM, you can achieve up to 215Mbps/215Mbps in a 28MHz channel.

Or, using 2+0 or 2+0 XPIC and 256QAM, you can achieve up to 430Mbps/430Mbps in 2 x 28MHz channels or 1 x 28MHz channel (using XPIC).

 

Channel BW (MHz)ModTypical 1+0
Frame size 6412825651210241280151840969600
Throughput(M)7QPSK2.92.82.62.62.62.52.52.52.2
16QAM151414141313131212
32QAM211919191918181717
64QAM282625252424242424
128QAM353231313030292928
256QAM413937363636363635
512QAM484543424241414039
1024QAM534947464646464545
14QPSK171615151414141414
16QAM444139393838383838
32QAM575351504949494948
64QAM716664626262626161
128QAM857976747473737373
256QAM989288868585858584
512QAM112105100989797979696
1024QAM123114110107106106106105105
28QPSK524846454444444444
16QAM1069995939191919191
32QAM131122117115113113113112112
64QAM161150144141139139138138137
128QAM188175168164163162162161161
256QAM215200192188186186185184184
512QAM242226217212210209209208207
1024QAM263245236231228227227226226
56QPSK1069894929191919090
16QAM214200192188186185185183183
32QAM265247249232229229228227227
64QAM323301289283279279279277277
128QAM378352338331326326326324324
256QAM432402386378373373373368368
512QAM486453435426421420420418416
1024QAM528492473463462457456454453

 

Below are practical latency values for 1+0 Microwave radios.  Notice how the link latency varies with frame size and modulation. Latency increases with larger frame sizes and decreases with increasing order of modulation.

Channel BW (MHz)ModTypical 1+0
Frame size 6412825651210241280151840969600
Latency(µs)7QPSK12731468185726344189496756901352030237
16QAM103410731151130716201776192134926847
32QAM102110501108122414561571167928455335
64QAM101210351080117013491439152224264355
128QAM100710261064113812881362143221843790
256QAM100410201053111712451310137020183401
512QAM100210161044110112151271132418953114
1024QAM100010131039109111961248129618212941
14QPSK57160868182611171263139828645994
16QAM54355958965077283389015052818
32QAM53955257662672477381913152375
64QAM53654756760868973076811782053
128QAM53554456159766770373610921853
256QAM53354155758965268371310311709
512QAM5325405545826396686959841599
1024QAM5325395525796326596849541531
28QPSK34535838443553959063811572266
16QAM3373453603894484775048011433
32QAM3363423553804314564807341278
64QAM3353413513744174404606821157
128QAM3343393503694104294486491078
256QAM3343383483664034214386241019
512QAM331336344361396413429602971
1024QAM331335343360392409424589942
56QPSK2022092242533123423636661301
16QAM198203212230267285303488884
32QAM197202210226259275290455807
64QAM197201208223252267281429747
128QAM197200207221248262275412707
256QAM196200206219244257270400677
512QAM196199205217242255266390655
1024QAM196199205217241253264384640

 

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Sagittar LCS Series Microwave Radios

 

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