<div dir="ltr"><div dir="ltr">I am not sure What kind of error you got, but, according to your error, it is just a timeout error. <br></div><div dir="ltr"><br></div><div>After you get the error message, You can check kubernetes component status. if it is not working properly, we should find a reason. </div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">2020년 4월 23일 (목) 오후 11:15, Ivandro <<a href="mailto:i201822117@hust.edu.cn">i201822117@hust.edu.cn</a>>님이 작성:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Hello,</p>
<p>The second error is fixed. it was an space on the local.conf file
before ip addres value: "HOST_IP=<b> </b>192.168.11.111".</p>
<p>Now, here are the new error (full logs in attachment):</p>
<p><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:553
sleep 1</i><i><br>
</i><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:548
curl -o /dev/null -s <a href="http://192.168.11.111:8080" target="_blank">http://192.168.11.111:8080</a></i><i><br>
</i><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:549
echo -n .</i><i><br>
</i><i>.+++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:550
date +%s</i><i><br>
</i><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:550
local curr_time=1587649065</i><i><br>
</i><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:551
local time_diff=301</i><i><br>
</i><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:552
[[ 301 -le 300 ]]</i><i><br>
</i><i>++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:552
die 'Timed out waiting for Kubernetes API Server'</i><i><br>
</i><i>++functions-common:die:193 local
exitcode=1</i><i><br>
</i><i>[Call Trace]</i><i><br>
</i><i>./stack.sh:1397:run_phase</i><i><br>
</i><i>/opt/stack/devstack/functions-common:1785:run_plugins</i><i><br>
</i><i>/opt/stack/devstack/functions-common:1752:source</i><i><br>
</i><i>/opt/stack/kuryr-kubernetes/devstack/plugin.sh:1068:run_k8s_controller_manager</i><i><br>
</i><i>/opt/stack/kuryr-kubernetes/devstack/plugin.sh:643:wait_for</i><i><br>
</i><i>/opt/stack/kuryr-kubernetes/devstack/plugin.sh:552:die</i><i><br>
</i><i>[ERROR]
/opt/stack/kuryr-kubernetes/devstack/plugin.sh:Timed out</i><i><br>
</i><i>Error on exit</i><i><br>
</i><i>nova-compute: no process found</i><i><br>
</i><i>neutron-dhcp-agent: no process found</i><i><br>
</i><i>neutron-l3-agent: no process found</i><i><br>
</i><i>neutron-metadata-agent: no process found</i><i><br>
</i><i>neutron-openvswitch-agent: no process found</i><i><br>
</i><i>stack@DevstackMaster:~/devstack$</i><br>
</p>
<p>BR.</p>
<p><br>
</p>
<div>On 4/23/2020 8:13 PM, hyunsikYang
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">
<div>Hi.<br>
for First error , You can modify code like below and it
works.<br>
outfile.write(ts_line.encode('utf-8','surrogatepass'))<br>
<br>
For the second error, I can't see the error log. Please
check above that you captured.<br>
</div>
<div><br>
</div>
<div>thanks</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">2020년 4월 23일 (목) 오후 3:14,
Ivandro <<a href="mailto:i201822117@hust.edu.cn" target="_blank">i201822117@hust.edu.cn</a>>님이
작성:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Hello Mr. Hyunik, <br>
</p>
<p>I try to run a new installation using the local.conf
file that you suggest and the installation was not
successful. here are additional information about my
setup:</p>
<p>- new installation and update ubuntu 18.04.4;</p>
<p>- on vmware workstation, 8Gb RAM, 100G SSD HD, 4 vCPU;</p>
<p>- local file and logs in attachment. <br>
</p>
<p>- I used the same steps as described below (add user,
download devstack, start the installation, ...)</p>
<p>- before the installation, only the python3.6 was
installed:</p>
<p><b>john@opestack:/lib$ ls /usr/bin/py*</b><b><br>
</b><b>/usr/bin/py3clean /usr/bin/pydoc3.6
/usr/bin/pyjwt3
/usr/bin/python3-jsonpointer /usr/bin/python3m</b><b><br>
</b><b>/usr/bin/py3compile /usr/bin/pygettext3
/usr/bin/python3
/usr/bin/python3-jsonschema</b><b><br>
</b><b>/usr/bin/py3versions /usr/bin/pygettext3.6
/usr/bin/python3-jsondiff /usr/bin/python3.6</b><b><br>
</b><b>/usr/bin/pydoc3 /usr/bin/pyhtmlizer3
/usr/bin/python3-jsonpatch /usr/bin/python3.6m</b></p>
<p><b><br>
</b></p>
<p>- after the installation here are the python
installation info:</p>
<p><b>john@DevstackMaster:~$ ls -la /usr/bin/python*</b><b><br>
</b><b>lrwxrwxrwx 1 root root 9 Apr 16 2018
/usr/bin/python -> python2.7</b><b><br>
</b><b>lrwxrwxrwx 1 root root 9 Apr 16 2018
/usr/bin/python2 -> python2.7</b><b><br>
</b><b>-rwxr-xr-x 1 root root 3637096 Apr 16 01:20
/usr/bin/python2.7</b><b><br>
</b><b>lrwxrwxrwx 1 root root 9 Oct 25 2018
/usr/bin/python3 -> python3.6</b><b><br>
</b><b>lrwxrwxrwx 1 root root 16 Oct 25 2018
/usr/bin/python3-config -> python3.6-config</b><b><br>
</b><b>-rwxr-xr-x 1 root root 1018 Oct 29 2017
/usr/bin/python3-jsondiff</b><b><br>
</b><b>-rwxr-xr-x 1 root root 3661 Oct 29 2017
/usr/bin/python3-jsonpatch</b><b><br>
</b><b>-rwxr-xr-x 1 root root 1342 May 2 2016
/usr/bin/python3-jsonpointer</b><b><br>
</b><b>-rwxr-xr-x 1 root root 398 Nov 16 2017
/usr/bin/python3-jsonschema</b><b><br>
</b><b>-rwxr-xr-x 2 root root 4526456 Apr 18 09:56
/usr/bin/python3.6</b><b><br>
</b><b>lrwxrwxrwx 1 root root 33 Apr 18 09:56
/usr/bin/python3.6-config ->
x86_64-linux-gnu-python3.6-config</b><b><br>
</b><b>-rwxr-xr-x 2 root root 4526456 Apr 18 09:56
/usr/bin/python3.6m</b><b><br>
</b><b>lrwxrwxrwx 1 root root 34 Apr 18 09:56
/usr/bin/python3.6m-config ->
x86_64-linux-gnu-python3.6m-config</b><b><br>
</b><b>lrwxrwxrwx 1 root root 10 Oct 25 2018
/usr/bin/python3m -> python3.6m</b><b><br>
</b><b>lrwxrwxrwx 1 root root 17 Oct 25 2018
/usr/bin/python3m-config -> python3.6m-config</b><b><br>
</b></p>
<p><br>
</p>
<p>It occurred two errors (Fie "ERROR ONE AND TWO.txt" in
attachment: Here are the description:</p>
<font size="+1">1: on the first error, I changed line 98
on file <b>"/opt/stack/devstack/tools/outfilter.py"
from </b><b>"</b>outfile.write(ts_line.encode('utf-8'))"
to
"outfile.write(ts_line.encode('utf-8','surrogatepass'))".
then executed the command ./unstack, ./stack</font><br>
<p><b>Created symlink
/etc/systemd/system/multi-user.target.wants/memcached.service
→ /lib/systemd/system/memcached.service.</b><b><br>
</b><b>Traceback (most recent call last):</b><b><br>
</b><b> File "/opt/stack/devstack/tools/outfilter.py",
line 104, in <module></b><b><br>
</b><b> sys.exit(main())</b><b><br>
</b><b> File "/opt/stack/devstack/tools/outfilter.py",
line 98, in main</b><b><br>
</b><b> outfile.write(ts_line.encode('utf-8'))</b><b><br>
</b><b>UnicodeEncodeError: 'utf-8' codec can't encode
characters in position 104-106: surrogates not allowed</b><b><br>
</b><b>stack@DevstackMaster:~/devstack$</b><br>
</p>
<p><br>
</p>
<p>2: here are the second error:<br>
</p>
<p>+./stack.sh:main:796
PYPI_ALTERNATIVE_URL=<br>
+./stack.sh:main:796
/opt/stack/devstack/tools/install_pip.sh<br>
bash: warning: setlocale: LC_ALL: cannot change locale
(en_US.utf8)<br>
/opt/stack/devstack/.localrc.auto: line 2: <a href="http://192.168.11.111" target="_blank">192.168.11.111</a>: command not
found<br>
++./stack.sh:main:796 err_trap<br>
++./stack.sh:err_trap:574 local r=127<br>
stack.sh failed: full log in
/opt/stack/logs/stack.sh.log.2020-04-23-132112<br>
Error on exit<br>
stack@DevstackMaster:~/devstack$<br>
</p>
<p><br>
</p>
<p>Hope you can help e solve this issue.</p>
<p><br>
</p>
<p>BR<br>
</p>
<p><br>
</p>
<p><br>
</p>
<p>On 4/23/2020 9:58 AM, hyunsikYang wrote:<br>
</p>
<blockquote type="cite">
<div dir="ltr">Hi. lvandro.
<div><br>
</div>
<div>I think you have a problem with os.</div>
<div><br>
</div>
<div>Yesterday, I checked the master version of tacker
using devstack. And It installed well. </div>
<div><br>
</div>
<div>I used ubuntu 18.04 and used the master version
devstack. </div>
<div><br>
</div>
<div>I attached my local conf option like below.
Please check it .</div>
<div><br>
</div>
<div>If you have any questions, feel free to contact
me and tacker ML. </div>
<div><br>
</div>
<div><br>
</div>
<div>Thank you.</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>----------------------</div>
<div>[[local|localrc]]<br>
HOST_IP= ip..<br>
<br>
ADMIN_PASSWORD=1111<br>
DATABASE_PASSWORD=$ADMIN_PASSWORD<br>
RABBIT_PASSWORD=$ADMIN_PASSWORD<br>
SERVICE_PASSWORD=$ADMIN_PASSWORD<br>
SERVICE_TOKEN=$ADMIN_PASSWORD<br>
IDENTITY_API_VERSION=3<br>
<br>
LOGFILE=$DEST/logs/stack.sh.log<br>
LOGDAYS=2<br>
LOG_COLOR=True<br>
<br>
ENABLE_DEBUG_LOG_LEVEL=false<br>
<br>
# Disable security groups<br>
Q_USE_SECGROUP=False<br>
<br>
<br>
#enable_plugin os-vif <a href="https://opendev.org/openstack/os-vif" target="_blank">https://opendev.org/openstack/os-vif</a>
master<br>
<br>
## kubernetes master node<br>
##########################<br>
## Loadbalance<br>
##########################<br>
## case of octavia<br>
LIBS_FROM_GIT+=python-octaviaclient<br>
ENABLED_SERVICES+=,octavia,o-api,o-cw,o-hm,o-hk<br>
enable_plugin octavia <a href="https://opendev.org/openstack/octavia" target="_blank">https://opendev.org/openstack/octavia</a>
master<br>
enable_plugin octavia-dashboard <a href="https://opendev.org/openstack/octavia-dashboard" target="_blank">https://opendev.org/openstack/octavia-dashboard</a>
master<br>
# Increase Octavia amphorae timeout so that the
first LB amphora has time to<br>
# build and boot<br>
#IMAGE_URLS+=",<a href="http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img" target="_blank">http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img</a>"<br>
IMAGE_URLS+=",<a href="http://download.cirros-cloud.net/0.3.6/cirros-0.3.6-x86_64-disk.img" target="_blank">http://download.cirros-cloud.net/0.3.6/cirros-0.3.6-x86_64-disk.img</a>"<br>
<br>
<br>
#!# kubernetes and docker environment<br>
enable_plugin kuryr-kubernetes <a href="https://opendev.org/openstack/kuryr-kubernetes" target="_blank">https://opendev.org/openstack/kuryr-kubernetes</a>
master<br>
enable_plugin devstack-plugin-container <a href="https://opendev.org/openstack/devstack-plugin-container" target="_blank">https://opendev.org/openstack/devstack-plugin-container</a>
master<br>
<br>
#!# Etcd<br>
ENABLED_SERVICES+=,etcd3<br>
<br>
#!# Kubernetes-master<br>
ENABLED_SERVICES+=,kubernetes-api,kubernetes-controller-manager,kubernetes-scheduler<br>
<br>
#!# Kubelet<br>
ENABLED_SERVICES+=,kubelet<br>
<br>
#!# Kuryr watcher<br>
ENABLED_SERVICES+=,kuryr-kubernetes<br>
<br>
#!# Kuryr Daemon<br>
ENABLED_SERVICES+=,kuryr-daemon<br>
KUBERNETES_VIM=True<br>
<br>
<br>
<br>
# Tacker<br>
enable_plugin heat <a href="https://opendev.org/openstack/heat" target="_blank">https://opendev.org/openstack/heat</a>
master<br>
enable_plugin networking-sfc <a href="https://opendev.org/openstack/networking-sfc" target="_blank">https://opendev.org/openstack/networking-sfc</a>
master<br>
enable_plugin barbican <a href="https://opendev.org/openstack/barbican" target="_blank">https://opendev.org/openstack/barbican</a>
master<br>
enable_plugin mistral <a href="https://opendev.org/openstack/mistral.git" target="_blank">https://opendev.org/openstack/mistral.git</a>
master<br>
enable_plugin tacker <a href="https://opendev.org/openstack/tacker.git" target="_blank">https://opendev.org/openstack/tacker.git</a>
master<br>
USE_BARBICAN=True<br>
<br>
# alarm<br>
enable_plugin ceilometer <a href="https://opendev.org/openstack/ceilometer" target="_blank">https://opendev.org/openstack/ceilometer</a>
master<br>
enable_plugin aodh <a href="http://opendev.org/openstack/aodh" target="_blank">http://opendev.org/openstack/aodh</a>
master<br>
<br>
disable_service tempest swift<br>
<br>
[[post-config|$OCTAVIA_CONF]]<br>
[controller_worker]<br>
amp_active_retries = 9999<br>
<br>
[[post-config|$NEUTRON_DHCP_CONF]]<br>
[DEFAULT]<br>
enable_isolated_metadata = True<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">2020년 4월 23일 (목) 오전
3:30, Ivandro <<a href="mailto:i201822117@hust.edu.cn" target="_blank">i201822117@hust.edu.cn</a>>님이
작성:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello Mr.
Yasufumi,<br>
<br>
Sorry for later replay. I will be replaying to your
feedback timely.<br>
<br>
hope to have your support and if possible, guide on
how to troubleshooting.<br>
<br>
here are my scenario:<br>
<br>
I want to install tacker project using the following
guide: <br>
<a href="https://docs.openstack.org/tacker/train/install/devstack.html" rel="noreferrer" target="_blank">https://docs.openstack.org/tacker/train/install/devstack.html</a><br>
<br>
My environment info: 2 ubuntu server 18.04.4 LTS,
VMWare workstation, 6G <br>
RAM, 100G SSD HD, 2vCPU.<br>
<br>
Am trying to install both master branch and
stable/train, on each <br>
server. Please find in attachment the local.conf
file used for each <br>
installation..<br>
<br>
MASTER BRANCH REPORT:<br>
<br>
Commands used:<br>
<br>
##User add<br>
sudo useradd -s /bin/bash -d /opt/stack -m stack<br>
echo "stack ALL=(ALL) NOPASSWD: ALL" | sudo tee
/etc/sudoers.d/stack<br>
sudo su - stack<br>
<br>
##Download openstack Train branch<br>
git clone <a href="https://opendev.org/openstack-dev/devstack" rel="noreferrer" target="_blank">https://opendev.org/openstack-dev/devstack</a>
-b stable/train<br>
cd devstack<br>
vi local.conf #Use the all in one config from
manual page<br>
## RECLONE=yes<br>
<br>
##Start installation<br>
./stack.sh<br>
<br>
ERROR INFO:<br>
<br>
++/opt/stack/kuryr-kubernetes/devstack/plugin.sh:wait_for:552 die 'Timed
<br>
out waiting for Kubernetes API Server'<br>
++functions-common:die:193 local
exitcode=1<br>
[Call Trace]<br>
./stack.sh:1400:run_phase<br>
/opt/stack/devstack/functions-common:1785:run_plugins<br>
/opt/stack/devstack/functions-common:1752:source<br>
/opt/stack/kuryr-kubernetes/devstack/plugin.sh:1068:run_k8s_controller_manager<br>
/opt/stack/kuryr-kubernetes/devstack/plugin.sh:643:wait_for<br>
/opt/stack/kuryr-kubernetes/devstack/plugin.sh:552:die<br>
[ERROR]
/opt/stack/kuryr-kubernetes/devstack/plugin.sh:Timed
out<br>
Error on exit<br>
nova-compute: no process found<br>
neutron-dhcp-agent: no process found<br>
neutron-l3-agent: no process found<br>
neutron-metadata-agent: no process found<br>
neutron-openvswitch-agent: no process found<br>
full logs in attachment file master.rar<br>
<br>
<br>
<br>
<br>
TRAIN BRANCH INSTALLATION:<br>
<br>
Commands used:<br>
<br>
##User add<br>
sudo useradd -s /bin/bash -d /opt/stack -m stack<br>
echo "stack ALL=(ALL) NOPASSWD: ALL" | sudo tee
/etc/sudoers.d/stack<br>
sudo su - stack<br>
<br>
##Download openstack Train branch<br>
git clone <a href="https://opendev.org/openstack-dev/devstack" rel="noreferrer" target="_blank">https://opendev.org/openstack-dev/devstack</a>
-b stable/train<br>
cd devstack<br>
vi local.conf #Use the all in one config from
manual page<br>
## RECLONE=yes<br>
<br>
##Start installation<br>
./stack.sh<br>
<br>
then it return the following error:<br>
<br>
Obtaining <a>file:///opt/stack/python-blazarclient</a><br>
python-blazarclient requires Python '>=3.6' but
the running Python is 2.7.17<br>
You are using pip version 9.0.3, however version
20.0.2 is available.<br>
You should consider upgrading via the 'pip install
--upgrade pip' command.<br>
Error on exit<br>
please find in attachment the full logs for this
error in file named <br>
train.rar<br>
<br>
<br>
Please let me know if you need additional
information.<br>
<br>
<br>
BR<br>
<br>
<br>
<br>
<br>
On 4/19/2020 4:38 AM, Yasufumi Ogawa wrote:<br>
> Hi,<br>
><br>
> Could you make a bug report for sharing your
problem exactly if possible?<br>
><br>
> On 2020/04/18 12:51, Ivandro wrote:<br>
>> Hello,<br>
>><br>
>> I have been trying to install the tacker
project in a VM, following <br>
>> the instruction from this url: <br>
>> <a href="https://docs.openstack.org/tacker/train/install/devstack.html" rel="noreferrer" target="_blank">https://docs.openstack.org/tacker/train/install/devstack.html</a>
based <br>
>> on devstack but unsuccessful. Is there a
link to download an already <br>
>> installed VM with tacker?<br>
> I'd like to confirm that we have already have
such a VM, or can provide.<br>
><br>
> Regards,<br>
> Yasufumi<br>
><br>
>><br>
>><br>
>> BR<br>
</blockquote>
</div>
<br clear="all">
<div><br>
</div>
-- <br>
<div dir="ltr">
<div dir="ltr">
<div>
<div dir="ltr">
<div dir="ltr">
<p><a name="m_4822863795158681248_m_8524037850787098901_SignatureSanitizer_SafeHtmlFilter__MailAutoSig"><b><span style="color:rgb(89,89,89)" lang="EN-US">----------------------------------------------------------------</span></b><span lang="EN-US"></span></a></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">Hyunsik Yang (Ph. D
candidate)</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">DCN laboratory / School of
Electronic Engineering</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">Soongsil University </span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">511 Sangdo-dong Dongjak-gu</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">Seoul, 156-743 Korea</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">TEL : (+82)-2-820-0841 </span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">M.P: (+82)-10-9005-7439</span></b></p>
</div>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
<br clear="all">
<div><br>
</div>
-- <br>
<div dir="ltr">
<div dir="ltr">
<div>
<div dir="ltr">
<div dir="ltr">
<p><a name="m_4822863795158681248_SignatureSanitizer_SafeHtmlFilter__MailAutoSig"><b><span style="color:rgb(89,89,89)" lang="EN-US">----------------------------------------------------------------</span></b><span lang="EN-US"></span></a></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">Hyunsik
Yang (Ph. D candidate)</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">DCN
laboratory / School of Electronic
Engineering</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">Soongsil
University </span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">511
Sangdo-dong Dongjak-gu</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">Seoul,
156-743 Korea</span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">TEL
: (+82)-2-820-0841 </span></b><span lang="EN-US"></span></p>
<p><b><span style="color:rgb(89,89,89)" lang="EN-US">M.P:
(+82)-10-9005-7439</span></b></p>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><p><a name="SignatureSanitizer_SafeHtmlFilter__MailAutoSig"><b><span lang="EN-US" style="color:rgb(89,89,89)">----------------------------------------------------------------</span></b><span lang="EN-US"></span></a></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">Hyunsik Yang (Ph. D candidate)</span></b><span lang="EN-US"></span></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">DCN laboratory / School of Electronic
Engineering</span></b><span lang="EN-US"></span></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">Soongsil University </span></b><span lang="EN-US"></span></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">511 Sangdo-dong Dongjak-gu</span></b><span lang="EN-US"></span></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">Seoul, 156-743 Korea</span></b><span lang="EN-US"></span></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">TEL : (+82)-2-820-0841 </span></b><span lang="EN-US"></span></p>
<p><b><span lang="EN-US" style="color:rgb(89,89,89)">M.P: (+82)-10-9005-7439</span></b></p></div></div></div></div></div></div></div>