370
307755989012055111
AHMED5775950243148284464568708
GHULAM13415950243168304432520668848
MUSTAFA22455950243180308412496644740888
SABER31895950243104252368472588
KARAM5778150243124272388536716
Department5771055014684161240319358394506583655691
of13021055014677110
Networking14461055014689165201297374413482511583662
College5771215014694170199228305384461
of10711215014677111
Information12151215014634106140216255368447483512588660
Technology19091215014650127204276348425454530610679
Title438180601344673106132202
Development14181727018879128177226257312367452501562593
of2038172701885592
An21531727018874135
Efficient23151727018874110141171220251300361391
Ad27301727018873128
Hoc28861727018885140189
Broadcasting31031727018873116171226281330385427458489550605
Scheme37351727018861110171220306355
for4117172701883792135
Critical42791727018873116147177208257312342
Networking46491727018879128159232287330385415477532
Environments52081727018874135184214257312373459507569599642
Faculty4382032013453125196262288321385
Advisor8542032013481154215242290361396
Prof.14182029016061100159194220
Liren1672202901605580120177238
Zhang19452029016061123180242303
Defense4382251013477147178249315363433
Date9022251013477150183253
0914182248016060120
May15732248016084142196
201618032248016060121181241
Abstract4383906013481154202235271343414447
Mobile14182451016085145205231256314
ad17662451016053114
hoc19102451016061121172
network21112451016062120156238298337392
has25332451016061119168
been27312451016061119177238
widely29992451016081107168225251305
deployed33342451016061119180205265319376436
in3805245101602082
support39212451016045106167228287327364
of4315245101605994
the4444245101603293151
communications46302451016046106198290352413438489547583609668730779
in5443245101602182
hostile55552451016061121170207232257315
environment59052451016053114168193233292353446504565602
without14182602016082107144205265326363
conventional18152602016044104165219276337374399459521578603
networking24462602016061119156237297337392417478539
infrastructure,3019260201601980115154210259296335397447484545585643676
especially37222602016058107168226277302360385410465
in4222260201601879
the4336260201602991148
environments45122602016058119173198238297358451509570607656
with51952602016082107144205
critical5435260201604483108145171221279304
conditions57742602016043103164225251287313372434483
such62912602016042104154216
as14182752016058107
emergency15522752016058151208248308366428478533
rescue2120275201603290139189251309
activities24562752016058109145171225251288313371420
in2910275201601880
burning30172752016061123162223249310371
building34152752016061122148173234259320381
or38232752016060100
earth39502752016058116156192254
quick42312752016061122148198253
evacuation.45122752016057112168219280338375400459521554
However,50942752016074134215273328385425443
most55652752016092152201238
of5830275201606095
the5959275201603092149
existing61362752016058112138187223249310371
ad14182902016058119
hoc15672902016061121172
based17692902016061119168226286
broadcasting20862902016061100159217278329386436472497559620
schemes2740290201604596157215307365414
either3189290201605479116177235275
rely3498290201603693118173
on37052902016056118
GPS38532902016073134195
location4083290201602181131189226251311372
or4489290201605696
topology4619290201603393153213238298359414
information5067290201602182117176216308366403428487549
or5650290201605696
angle-of-arrival57802902016054115176201259299359394430487526566591646701727
(AoA)14183052016042108168234276
calculation17283052016046104129180241267324361386446507
or2265305201606099
combination23993052016046106198259284345403440465525586
of3015305201605994
some31443052016044104196254
or3428305201606099
all3562305201605378104
to3700305201603292
achieve38263052016053104166191249303360
high4216305201606287148209
reachability.4459305201603592150201262320381406431456493547571
Therefore,50603052016064125183223280315374413471504
these5598305201603394152201259
broadcasting58873052016060100159217278329386435472497559619
schemes14183202016049100161219311369418
cannot18713202016050108169231290327
be22333202016060118
directly2385320201606186125183233270295350
used27703202016061110167228
in3033320201602486
critical3153320201605090115152177228286311
environments34993202016057118172197237296357450508569606655
such41883202016049110161222
as44453202016057106
battlefield,45863202016060118155190216273303332390415476509
sensor51303202016048106168217276316
networks54803202016061119156238297337392441
and59553202016058119180
natural61693202016061119156217257313338
disasters1418335201606186135193242279336376425
due18713352016061122180
to2085335201603090
lack2210335201601876127181
of2419335201606095
node25413352016062121182240
location2816335201601878128186223248308369
and32133352016058119180
topology3427335201603090151210236295356411
information3872335201601980115174213306363400425485546
in4453335201601880
such45673352016042104154216
critical4817335201604484109146171222280305
environments.51493352016058120173199238297359451509570607656690
This58663352016064126151200
research6101335201603290139197254294344406
work14183502016082141181236
first168235020160295898147184
begins18943502016061119179205266315
by22373502016061115
analyzing23803502016058119177202257306331392453
the2868350201603091149
broadcast30453502016061101160218278329387436473
coverage35523502016044104158215255311372430
problem40103502016060100159220245303396
and44333502016058120180
node46413502016062121182240
displacement4909350201606186135196221279330387480538599636
form5579350201602987127219
ideal5833350201601980137195220
locations6088350201601878129187223249308370419
problem14183652016061100160220246304396
in1848365201603899
ad19823652016070131
hoc21473652016074134185
networks23663652016074132169250310350404453
using28543652016074123148209270
theoretical31593652016049110168228267325362387438495520
analysis.37143652016070132189215269318344393426
Then,41743652016077138196258291
this44993652016050111136185
research47193652016052109158216274313364425
work51793652016094153193248
proposes54613652016074113173233293342400449
an59443652016071132
efficient61113652016070105134164214240297359396
broadcast14183802016061100160217278329387436472
relaying1925380201603996122179233259320381
scheme,2340380201604999161219311369402
called27773802016050108133158216277
Random30883802016068125186247307399
Directional35213802016075100140197248284310369431488514
Broadcasting40693802016064104164221282333391440477502563624
Relay47273802016068124149207261
(RDBR),50223802016042110185250318360394
which54493802016082143169219281
greatly57643802016060100157215252277332
reduces6130380201603997158219270327377
the1418395201603798156
number16083952016065126219279337377
of2019395201606398
retransmitting21513952016043100137176232294343435461497533558620681
nodes28663952016064124185243292
and31923952016061122183
end-to-end34093952016061123183223260320360418479540
delay39833952016064122147205259
while42793952016082143168193251
achieving45653952016060111172198255310335397458
high5057395201606489150212
reachability.53033952016042100157208269327388413438464501554578
This59153952016067129154203
is6153395201602877
done62643952016064123185243
by14184102016061115
selecting15684102016050107133190241278303364425
a20284102016058
subset21214102016049111171221278315
of2471410201606095
neighboring26004102016062120146206268329388428453514575
nodes32104102016062121182240289
to3533410201603898
relay3665410201604098123181235
the3934410201603799157
packet41254102016062119170225282318
using44784102016062111136198258
directional4771410201606186126183234271296356417475500
antennas53054102016059120157215276338395444
without57844102016082107144206265327363
relying6182410201604097123177203264325
on14184252016060121
node15744252016068127188246
location,1855425201603291142200237262321383416
network23064252016068126162244304343398
topology27394252016043103164223249308369424
and31974252016065126187
complex34194252016057117209270295353408
angle-of-arrival38614252016065126187212270310370405441498537577602657712738
(AoA)46334252016049115175241283
calculations.49504252016058116141191253278336372398457519568601
To55864252016071119
further57404252016041102141178239297337
improve61114252016032125186225284339396
the1418440201603798156
performance16034402016061118158193252291384442503554611
of2243440201606095
the2372440201603293151
RDBR25524402016068143207276
scheme2862440201604394155213306364
in3260440201602081
complex33754402016045105197258284341396
environments38004402016057119173198237297358450508570606655
with44844402016082107144205
high4718440201606287148209
node49564402016061121182239
density,52244402016061119180229254291345369
high5622440201606186147208
node58594402016061121182240
mobility61274402016093153213239264289326380
and14184552016058119180
high1632455201607297158219
traffic1885455201604787143178207236287
rate,22074552016049105142200233
an24754552016068129
improved26384552016036128189228288342399459
RDBR31324552016078153218286
scheme34524552016060110172230322380
is3866455201603685
proposed.39854552016071111170231290339397458491
The45114552016074136193
improved47394552016035128188228287341398459
RDBR52324552016079153218287
scheme55534552016059110171229321379
utilizes59674552016071108133159184233290339
the63404552016047109167
concept14184702016051110172223280341378
of18304702016067102
gaps19674702016068126186236
between22374702016068126163244302360421
neighboring26934702016068126151212274334394434459520581
sectors33094702016056113164201261300349
to36934702016044104
minimize38384702016093118179205297322371428
the43004702016044106164
overlap44984702016067121178218243301362
between48944702016068126163244302360421
selected53504702016056114139197248285342403
relaying57884702016047104129187241266327388
nodes62114702016068128189247296
in1418485201602587
high1539485201606792153214
density17884852016066124185234259296350
environments.21734852016063124178203243302364456514575612661694
The29024852016070131189
concept31254852016057116178228286347384
of35434852016066101
gaps36784852016067124185234
greatly39474852016066106163221257283337
reduces43194852016045102163225275333382
both47364852016066126163224
contention49944852016057116178215272334371396455517
and55454852016064125186
collision57654852016056116141167192241266326387
and61874852016063124185
at64074852016063100
the1418500201603798156
same16085002016063121213271
time1913500201605176168226
achieves21745002016071122183208266321378427
high26355002016075100161223
reachability.28925002016053110168219280338399424449474511565589
The35155002016078139197
performance37465002016075133172207266306398456517568626
of44065002016073108
the45495002016050111169
proposed47535002016074114173234293342400461
RDBR52495002016081156221289
schemes55735002016062113174232324382431
has60395002016075133182
been62555002016074132190252
evaluated14185152016058113168194255313349407468
by19215152016077132
comparing20875152016068128220281339378404465526
them26475152016054115173266
against29475152016075136193219280329366
flooding3347515201604675135195256281342403
and37855152016074136196
Distance-based40165152016091117166202260322372430470531589638696756
schemes.48075152016066117178236328386435469
Simulation53105152016078104196257283340377402462523
results58685152016056114163224249286335
show62385152016066127187269
that1418530201603798156193
both16455302016060120157218
proposed1898530201606099159219279328386447
RDBR23795302016068143207276
schemes2689530201604999161219311369418
achieve31415302016058108170195253308365
high3540530201606186147208
reachability3783530201603996154204266323384409435460497551
while43675302016082143169194252
reducing4653530201603996157219269295356417
the5104530201603698155
number52945302016061122214275333373
of5701530201605994
retransmitting5830530201603996133172228290339431456493529554616677
nodes14185452016061121182240289
and17415452016067128189
end-to-end19645452016067128189229266325365423484545
delay25445452016069127152210264
especially28425452016067116177235285311368393419474
in3350545201603495
high3480545201607095156217
density37315452016070128189238263300354
environments.41195452016067128182207247306367460518579616665698
Furthermore,48515452016066128167204265323363455515555612645
the55315452016045107164
improved57305452016034126187227286340397458
RDBR62225452016077152216285
scheme14185602016049100161219311369
achieves18225602016059110171197254309366415
better22725602016062120157193251290
performance25975602016062120160195254293386443505555613
than32455602016038100157219
RDBR34985602016070145210278
in3810560201602789
high3933560201606388149210
density41785602016062120182231256293346
and45595602016059121182
high4775560201606388149210
traffic5020560201603878134169198227278
environment53335602016059121174200239298360452510571608
in5976560201602688
terms6098560201603997136229278
of6410560201606297
reachability,1418575201604097155205267325385411436461498552575
end-to-end20285752016060121182222258318358416477538
delay26015752016063120146203257
and28935752016059121182
the31095752016039100158
number33015752016064125218279336376
of3711575201606297
retransmitting3843575201604199135175231292341434459496532557618679
nodes.45575752016063123183241290324
Dissertation3971558017098132193255344389431524566599689773