Downlink Parameters Details

8
Cell Parameters (Advanced LTE FDD Downlink)  Additional Dow nlink parameters ar e described in Cell Specific Reference Signal (Advanced LTE FDD Downlink)  !ositioning Reference Signals (!RS) " (Advanced LTE FDD Downlink)  S#nc$roni%ation Signals (Advanced LTE FDD Downlink) and !ower Relevant !arameters (Advanced LTE FDD Downlink)& 1. Cell Parameters Cell 'D !$#sical La#er Cell 'D rop !$#sical La#er Cell 'D Sector *mber of +rt$ogonal Se,ence  Antenna !ort Total nmber of Antennas S#stem -andwidt$ Total nmber of Resorce -locks Total nmber of +ccpied Sb"carriers Sbcarrier Spacing C#clic !refi. *mber of Sbcarriers for Resorce -lock *mber of S#mbols for Resorce -lock Cell ID Range: 0 to 503 Default: 1

Transcript of Downlink Parameters Details

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 1/8

Cell Parameters (Advanced LTE FDD Downlink) Additional Downlink parameters are described in Cell Specific Reference Signal (Advanced LTE FDDDownlink) !ositioning Reference Signals (!RS) " (Advanced LTE FDD Downlink)  S#nc$roni%ationSignals (Advanced LTE FDD Downlink) and !ower Relevant !arameters (Advanced LTE FDD Downlink)&

1. Cell Parameters

Cell 'D

!$#sical La#er Cell 'D rop

!$#sical La#er Cell 'D Sector 

*mber of +rt$ogonal Se,ence

 Antenna !ort

Total nmber of Antennas

S#stem -andwidt$

Total nmber of Resorce -locks

Total nmber of +ccpied Sb"carriers

Sbcarrier Spacing

C#clic !refi.

*mber of Sbcarriers for Resorce -lock

*mber of S#mbols for Resorce -lock

Cell IDRange: 0 to 503Default: 1

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 2/8

Enter a vale for t$e Cell 'D& T$e software sets t$e vales in t$e Physical Layer Cell ID

Group and Physical Layer Cell ID Sector cells based on t$e Cell ID entr#& Cell 'D / 0(1 .!$#sical Cell 'D rop) 2 !$#sical Cell 'D Sector3& See 1!! TS 14&566&

Physical Layer Cell ID ro!"Range: 0 to 167 

Default: 0 T$e software sets t$is vale based on t$e Cell ID entr#& Cell 'D / 0(1 . !$#sical Cell 'D rop) 2!$#sical Cell 'D Sector3& (See 1!! TS 14&566&)

Physical Layer Cell ID #ector Choice: 0 | 1 | 2 Default: 0 

T$e software sets t$is vale based on t$e Cell ID entr#& Cell 'D / 0(1 . !$#sical Cell 'D rop) 2!$#sical Cell 'D Sector3& (See 1!! TS 14&566&)

$!m%er o& 'rthoonal #e!enceRange: 0 to 2 

7$en #o set t$e vale in t$e !$#sical La#er Cell 'D Sector cell t$e software sets t$e *mber of+rt$ogonal Se,ence to t$e corresponding vale& (See 1!! TS 14&566&)

Antenna PortChoice: 0 | 1 | 2 | 3Default: 0 

'n mlti"antenna configrations specif# t$e antenna to be sed for transmitting t$e downlink signal& T$e

available selections are determined b# t$e Total Number of Antennas setting&

Total n!m%er o& AntennasChoice: 1 Antenna | 2 Antennas | 4 AntennasDefault: 1 Antenna

Specif# t$e total nmber of base station antennas&For mltiple signal generator configrations set t$e C$annel State parameter in t$e Fading section of t$e

Carrier node to On to make t$is cell active& 7$en t$e c$annel state is off #o mst c$ange t$e nmberof signal generators (for e.ample se a 8ick Setp) to c$ange t$e nmber of -S antennas&

#ystem *andwidthChoice: 1.4 MH !6R"# | 3 MH !15R"# | 5 MH !25R"# | 10 MH !50R"# | 15 MH !75R"# | 20 MH !100R"#Default: 5 MH !25R"#

Doble"click or se t$e drop"down men to set t$e s#stem bandwidt$ and nmber of Resorce -locks(R-)&

Total n!m%er o& +eso!rce *locks

T$e vale in t$is cell is set b# t$e software based on t$e System Bandidth setting&

Total n!m%er o& 'cc!"ied #!%,carriersT$e vale in t$is cell is set b# t$e software based on t$e System Bandidth setting& T$e centersbcarrier is not sed for downlink transmission so t$e nmber of transmitted sbcarriers is one less t$ant$e nmber of occpied sbcarriers&

#!%carrier #"acin

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 3/8

Default: 15 $H Displa#s t$e sbcarrier spacing for t$e downlink& +nl# 69 k:% spacing is available in t$is release&

Cyclic Pre&i-Choice: %o&'al | ()ten*e* Default: %o&'al 

Doble"click or se t$e drop"down men to select a Normal or !"tended c#clic prefi.& T$e softwaresets t$e Number of Symbols for #esource Bloc$ based on t$e c#clic prefi. selection&

$!m%er o& #!%carriers &or +eso!rce *lockDefault: 12 

Displa#s t$e nmber of consective sbcarriers in a downlink resorce block&

$!m%er o& #ym%ols &or +eso!rce *lockDefault: 7 fo& Normal  C+clic ,&efi)- 6 fo& Extended  C+clic ,&efi) 

Displa#s t$e nmber of consective +FD; s#mbols in a downlink slot&

Cell Specific Reference Signal (Advanced LTE FDD Downlink)+ne cell specific reference signal is transmitted from eac$ downlink antenna port&

T$e downlink cell specific reference signal can be sed for t$e following prposes<

• Cell searc$ and initial ac,isition

• Downlink c$annel ,alit# measrements

• Downlink c$annel estimation for co$erent demodlation=detection at t$e >E

 Additional Downlink parameters are described in Cell !arameters (Advanced LTE FDD

Downlink) !ositioning Reference Signals (!RS) " (Advanced LTE FDD Downlink)  S#nc$roni%ation

Signals (Advanced LTE FDD Downlink) and!ower Relevant !arameters (Advanced LTE FDD Downlink)&

Cell specific Reference Signal !ower 

Range: 60 to 20 *"

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 4/8

Default: 0.000 *"

Enter a power level in d- for t$e cell specific reference signal&

Positionin +e&erence #inals (P+#) , (Advanced LTE FDDDownlink)

!RS +verview

 Additional Downlink parameters are described in Cell !arameters (Advanced LTE FDD Downlink) CellSpecific Reference Signal (Advanced LTE FDD Downlink) S#nc$roni%ation Signals (Advanced LTE FDDDownlink) and !ower Relevant !arameters (Advanced LTE FDD Downlink)&

. Positionin +e&erence #inals (P+#)

State

!ower 

 Antenna ;apping for !ort 4

*mber of !DCC: S#mbols

!RS -andwidt$*mber of Consective DL Frames (*?!RS)

!RS Configration 'nde. ('?!RS)

!RS !eriodicit# (T?!RS)

!RS Sbframe +ffset (Delta?!RS)

!RS ;ting Se,ence Lengt$

!RS ;ting Se,ence

#tateChoice: /ff | /nDefault: /ff 

Doble"click or se t$e drop"down men to enable or disable t$e c$annel& See 1!! TS 14&566&

Power Range: 60.000 to 20.000 *"Default: 0.000 *"

Enter a power level in d- for t$e selected c$annel& See +tpt !ower Calclation (Downlink) for adescription of $ow t$e software applies to #or power setting& See 1!! TS 14&566&

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 5/8

Antenna /a""in &or Port 0Range: 0 o& 1 as co''a sea&ate* alues !C# eual to the nu'e& of antennas selecte*.Default: 1

Enter @ or 6 separated b# commas to assign t$e !ositioning Reference Signals (!RS) to t$e p$#sicalantennas& T$e comma separate lengt$ is p to t$e Total *mber of Antennas& @ and 6 mean +ff and +nrespectivel#& Comma separate se,ence order means p$#sical antenna port nmber&

E.ample< Total *mber of Antennas / Antennas and Antenna ;apping / 06 6 6 63 case !RS isassigned to all antennas (port @ to 1)& See 1!! TS 14&566&

$!m%er o& PDCC #ym%olsRange: 1 to 3 !%D8R" 9 10# 2 o& 3 !%D8R" ; 10#Default: 2 

Enter t$e nmber of !DCC: s#mbols for all of t$e positioning reference signal (!RS) sbframes&T$is parameter defines t$e nmber of !DCC: +FD; s#mbols for all of t$e !RS sbframes& T$e !RS areassigned b# t$e *mber of Consective DL Frames (*?!RS) !RS Configration 'nde. ('?!RS) !RS!eriodicit# (T?!RS) and !RS Sbframe +ffset (Delta?!RS)&'f t$e !RS State / on and a !RS sbframe is assigned corresponding sbframe of !DCC: Allocationsparameters in DC' are c$anged b# t$e *mber of !DCC: S#mbols&

• 7$ere< *?DL?R- B/ 6@ t$e *mber of !DCC: S#mbols allowed is 5 or 1&

• 7$ere< *?DL?R- 6@ t$e *mber of !DCC: S#mbols allowed is 6 to 1&

Refer 1!! TS 14&566 and 14&116&

P+# *andwidthChoice: 1.4 MH !6R"# | 3 MH !15R"# | 5 MH !25R"# | 10 MH !50R"# | 15 MH !75R"# |20 MH !100R"#Default: 5 MH !25R"#

Specifies t$e bandwidt$ (resorce block si%e) t$at is sed to configre t$e positioning reference signals(!RS)&T$e available !RS -andwidt$ setting vale is determined b# t$e S#stem -andwidt$& 'f t$e S#stem-andwidt$ was set to less t$an t$e !RS -andwidt$ t$e !RS -andwidt$ is atomaticall# set t$e same ast$e S#stem -andwidt$&Refer 1!! TS 14&566 and 14&199&

$!m%er o& Consec!tive DL Frames ($2P+#)Choice: 1 suf&a'e | 2 suf&a'es | 4 suf&a'es | 6 suf&a'esDefault: 1 suf&a'e

Specifies t$e nmber of consective downlink sbframes *?!RS wit$ positioning reference signals(!RS)&T$is is a time accmlation for accrac# improvement to configre t$e consective !RS&Refer 1!! TS 14&566&

P+# Con&i!ration Inde- (I2P+#)Range: 0 to 23<<Default: 0 

Enter t$e !RS Configration 'nde. for t$e positioning reference signals (!RS)&T$is atomaticall# defines bot$ t$e !RS !eriodicit# and t$e !RS Sbframe +ffset&T$e first Sbframe of t$e *?!RS downlink sbframes s$all satisf# (6@ SF* 2 Floor(Slot = 5) "Delta?!RS) mod T?!RS / @&7$ere< 7ave eneration Lengt$ B (!RS Sbframe +ffset 2 *mber of Consective DL Frames) a partof or all of !RSs are not available for t$e crrent waveform&Refer 1!! TS 14&566&

P+# Periodicity (T2P+#)

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 6/8

Choice: 160 !suf&a'es# | 320 !suf&a'es# | 640 !suf&a'es# | 12=0 !suf&a'es#Default: 160 !suf&a'es#

T$is is a read"onl# parameter atomaticall# decided b# !RS Configration ('?!RS) as follows<T$e first sbframe of *?!RS downlink sbframes s$all satisf# (6@ SF* 2 Floor(Slot = 5) " Delta?!RS)mod T?!RS / @&

• '?!RS / @ to 69 case T?!RS / 64@ (sbframes)&

'?!RS / 64@ to G case T?!RS / 15@ (sbframes)&• '?!RS / H@ to 666 case T?!RS / 4@ (sbframes)&

• '?!RS / 665@ to 51 case T?!RS / 65H@ (sbframes)&

7$ere< 7ave eneration Lengt$ B (!RS Sbframe +ffset 2 *mber of Consective DL Frames) a partof or all of !RSs are not available for t$e crrent waveform&Refer 1!! TS 14&566&

P+# #!%&rame '&&set (Delta2P+#)Range: 0 to 12=0 !suf&a'es#Default: 0 !suf&a'e#

T$is is a read onl# parameter atomaticall# decided b# t$e !RS Configration ('?!RS) as follows<T$e first sbframe of t$e *?!RS downlink sbframes s$all satisf# (6@ SF* 2 Floor(Slot = 5) "Delta?!RS) mod T?!RS / @&

•  '?!RS / @ to 69 case Delta?!RS / '?!RS

•  '?!RS / 64@ to G case Delta?!RS / '?!RS " 64@

•  '?!RS / H@ to 666 case Delta?!RS / '?!RS " H@

•  '?!RS / 665@ to 51 case Delta?!RS / '?!RS " 665@

7$ere< 7ave eneration Lengt$ B (!RS Sbframe +ffset 2 *mber of Consective DL Frames) a partof or all of !RSs are not available for t$e crrent waveform&For more detail refer 1!! TS 14&566&

P+# /!tin #e!ence LenthChoice: 2 | 4 | = | 16 Default: 2 

Specifies t$e bit lengt$ of !RS ;ting Se,ence parameter&

P+# /!tin #e!enceRange: 0 o& 1 >ith co''a sea&ate inut 8ength: ,R Muting euence 8engthDefault: 11

Specifies !RS ;ting Se,ence& T$e vale I@I means mting and I6I means not mting in t$e se,ence&T$e se,ence lengt$ is defined b# !RS ;ting Se,ence Lengt$ parameter&'f a bit in t$e !RS mting se,ence is set to I@I t$e !RS is mted in t$e corresponding !RS positioningoccasion& A !RS positioning occasion comprises of *?!RS downlink positioning sbframes& T$e first bitof t$e !RS mting se,ence corresponds to t$e first !RS positioning occasion&Refer 1!! TS 14&199&

S#nc$roni%ation Signals (Advanced LTE FDD Downlink)

Two t#pes of s#nc$roni%ation signals are sed for t$e downlink in LTE<

• !rimar# s#nc$roni%ation signal (!"SS)

T$e primar# s#nc$roni%ation signal is sed to s#nc$roni%e timing dring cell searc$&

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 7/8

• Secondar# s#nc$roni%ation signal (S"SS)

T$e secondar# s#nc$roni%ation signal is sed to s#nc$roni%e timing and to transmit cell grop

identification dring cell searc$

 Additional Downlink parameters are described in Cell !arameters (Advanced LTE FDD Downlink) Cell

Specific Reference Signal (Advanced LTE FDD Downlink) !ositioning Reference Signals (!RS) "

(Advanced LTE FDD Downlink) and !ower Relevant !arameters (Advanced LTE FDD Downlink)&

!rimar# S#nc$ Signal State

Choice: /ff | /n

Default: /n

T$e software sets t$e state of t$e primar# s#nc$roni%ation signal (!"SS) to On& Jo can control t$e !"SS

power as described below&

!rimar# S#nc$ Signal !ower 

Range: 60 to 20 *"

Default: 0.000 *"

Enter t$e power level in d- for t$e primar# s#nc$roni%ation signal relative to t$e reference signal perresorce element (i&e& w$en t$e reference signal power is set to @ d-)&

Secondar# S#nc$ Signal State

Choice: /ff | /n

Default: /n

T$e software sets t$e state of t$e secondar# s#nc$roni%ation signal (S"SS) to On& Jo can control t$e S"

SS power as described below&

Secondar# S#nc$ Signal !ower 

Range: 60 to 20 *"

Default: 0.000 *"

8/17/2019 Downlink Parameters Details

http://slidepdf.com/reader/full/downlink-parameters-details 8/8

Enter t$e power level in d- for t$e secondar# s#nc$roni%ation signal relative to t$e average sbcarrier

power&

!"SS=S"SS Transmit Antenna !ort

Choice: ,o&t 0 | ,o&t 1 | ,o&t 2 | ,o&t 3 | All ,o&t 

Default: ,o&t 0 

Doble"click or se t$e drop"down men to select t$e !"SS=S"SS transmit antenna port&

T$is parameter specifies t$e antenna port(s) t$at !"SS and S"SS are transmitted on& !"SS and S"SS can

be transmitted on a single antenna (!ort@=6=5=1) or all t$e antenna ports&