bbh presentation
TRANSCRIPT
Doc #:
Title: BBH
Date of In
H Technique
nitial Issue: 17/1
Pre
Re
10/2011
epared by: Yawe
eviewed by: Faisa
er Nafis
al Tasleem
Fr
C
Doc #:
Title: BBH
Date of In
requen
Base
Comparing
H Technique
nitial Issue: 17/1
cy Hop
e Band Intr
g Discrete H
Pre
Re
10/2011
pping O
Hoppiroduction
Hopping / B
epared by: Yawe
eviewed by: Faisa
Optimi
ing (BBn
Baseband H
er Nafis
al Tasleem
ization
BH)
Hopping
n
Frequen
FrequencGSM theare sever
B
In BBH, tthan or e
The abovBCCH TRX
3 kinds o
• M• M
fo• M
T
ncy Hoppin
cy hopping c frequency iral methods
Base Band H
he hopping equal to the
ve plot showX can’t hop &
of MAL lists (
MA group coMA Group coor all other TMA group coN7 for all TR
Doc #:
Title: BBH
Date of In
ng Techniq
consists in chs changed adefined.
Hopping (BB
consists of hnumber of T
ws the techni& having no
MA Groups)
ntaining onlontaining theTRXs. ntaining theRXs.
H Technique
nitial Issue: 17/1
ques
hanging the fter each TD
BH)
having a MATRX installed
ique of BBHo power cont
) are defined
y BCCH freqe entire cell’
e entire cell’s
Pre
Re
10/2011
frequency uDMA frame (
AL list havingd on BTS.
using in ordtrol while all
d for the cell
uency allocas frequency
s frequency
epared by: Yawe
eviewed by: Faisa
used by a cha(8 TS). From
g the numbe
der to hop. Al other times
l.
ated only to except the
including th
er Nafis
al Tasleem
annel at reghopping po
r of hopping
As shown, onslots allowe
TN0 in the fBCCH alloca
e BCCH alloc
ular intervalint of view t
g frequencie
nly first TS frd to hop.
first TRX. ted only to T
cated to TN1
ls. In there
s less
rom
TN0
1 to
Advantag
• Dfroe
• Wfu
• S
ges over Dis
Discrete SFH requencies tver 4 frequenvironmentWill allow powurthermore DCCH TS on
Doc #:
Title: BBH
Date of In
screte SFH
forbids the o hop on. Oencies includ. wer control the radio coBCCH TRX s
H Technique
nitial Issue: 17/1
BCCH to be n other handing the BCC
to act over tonditions. tart hopping
Pre
Re
10/2011
used for hopd, in the samCH, hence red
the 7 timesl
g thus reduc
epared by: Yawe
eviewed by: Faisa
pping, henceme scenario,ducing RF lo
ots on the B
cing interfere
er Nafis
al Tasleem
e a 4 TRX site, BBH will alload & enhan
BCCH TRX, he
ence during
e will use onlow hoppingcing the rad
ence reducin
signaling.
nly 3 g dio
ng
S
In SFH, thinstalled
The abovexcept th
Only oneallocatedstatically
In SFH,
• Tto
• F• M
ynthesized
he number oon BTS.
ve plot showhe BCCH TRX
e MAL list (Md for the TRXy allocated to
he TRX doeso TS accordinrequency plaMIAO plannin
Doc #:
Title: BBH
Date of In
Frequency
of hopping fr
ws the hoppinX, it can’t ho
MA group) is Xs in order too BCCH TRX.
s not get fixeng to a predanning perfong requested
H Technique
nitial Issue: 17/1
y Hopping (
requencies c
ng techniquep.
defined for o hop on exc
ed frequencyefined hoppormed in thed (for co‐cel
Pre
Re
10/2011
(SFH)
can be highe
e of SFH. As
the cell. Thecluding of co
y assignmenping sequence same way l, co‐site con
epared by: Yawe
eviewed by: Faisa
er or equal t
shown, all T
e MAL includourse the be
nts and chance called HSas for non‐hnstraints sep
er Nafis
al Tasleem
o the numbe
TRXs are allo
des all frequeeacon freque
ge their freqN. hopping onlyparation).
er of TRXs
owed to hop
encies to beency that wi
quencies fro
y for BCCH.
p
e ll be
m TS
D
Below ar
Difference b
re some majo
Power ConHopping
Hopping on S
BCCH A
Doc #:
Title: BBH
Date of In
between BB
or difference
trol on BCCHg on BCCH TRSD TS located
RFCN include
H Technique
nitial Issue: 17/1
BH & Discre
es between
H TRX (TS 1‐7)RX (TS 1‐7) d on BCCH TR
ed in MAL
Pre
Re
10/2011
ete SFH
BBH & SFH.
)
RX
epared by: Yawe
eviewed by: Faisa
BBHYesYesYes
Yes
er Nafis
al Tasleem
DDiscrete SFHNo No No
No