ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
RSSI×ܽá
ËÓйØÓÚLTEµÄRSSI·ÖÎö×ܽáµÄһЩ×ÊÁÏ£¿Çó¹²ÏíÒ»·Ý¡£Ð»Ð»
ÌáÎÊÕß: ËãÁË°É25 ÌáÎÊʱ¼ä: 2013-12-16
• mtp850¶Ô½²»úÔõô²éѯRSSiÖµ 2020-07-16
• RSSiÒâ˼ÊÇʲô 2019-01-05
• LTEСÇøRSSi²îÒìÓëפ²¨£¿ 2018-09-27
• PRSÔõôÌáÈ¡RSSiÖ¸±ê 2018-09-18
• wcdmaÉäƵµ¥Ôª½ÓÊÕͨµÀRTWP/RSSi²»Æ½ºâ¸æ¾¯ 2018-04-01
• ÖªµÀRSSi£¬Ôõô¼ÆËãRSRP 2018-01-30
• ¡¾µ¥Ñ¡Ìâ¡¿LTEϵͳÖÐÀíÏë״̬RSSi¾ÍÊÇ°×ÔëÉù-174dBm/Hz£¬ 2017-09-16
• ¡¾µ¥Ñ¡Ìâ¡¿Õý³£Çé¿öÏ¿ÕÔØʱÿ¸öRBÉϵÄRSSi´ó¸ÅÓ¦¸ÃÊǶàÉÙ£¿£¨£© 2017-09-15
• RSSiÒâ˼ÊÇʲô 2019-01-05
• LTEСÇøRSSi²îÒìÓëפ²¨£¿ 2018-09-27
• PRSÔõôÌáÈ¡RSSiÖ¸±ê 2018-09-18
• wcdmaÉäƵµ¥Ôª½ÓÊÕͨµÀRTWP/RSSi²»Æ½ºâ¸æ¾¯ 2018-04-01
• ÖªµÀRSSi£¬Ôõô¼ÆËãRSRP 2018-01-30
• ¡¾µ¥Ñ¡Ìâ¡¿LTEϵͳÖÐÀíÏë״̬RSSi¾ÍÊÇ°×ÔëÉù-174dBm/Hz£¬ 2017-09-16
• ¡¾µ¥Ñ¡Ìâ¡¿Õý³£Çé¿öÏ¿ÕÔØʱÿ¸öRBÉϵÄRSSi´ó¸ÅÓ¦¸ÃÊǶàÉÙ£¿£¨£© 2017-09-15
ÎÊÌâ´ð°¸
( 5 )
RSSIÖµ¶àÉÙΪÕý³£
http://wenku.baidu.com/link?url=PY5a2Klr-zX_xpCSYXUD-Y6YcNXVH1i5ZTLnXu_D-9vio0gKVvKRSTqJLEs2mx416xPX3jaY-8Df41Rr5awgxogISQ6NQhrpI6LUkSv4rrG
http://wenku.baidu.com/link?url=PY5a2Klr-zX_xpCSYXUD-Y6YcNXVH1i5ZTLnXu_D-9vio0gKVvKRSTqJLEs2mx416xPX3jaY-8Df41Rr5awgxogISQ6NQhrpI6LUkSv4rrG
»Ø´ðÕߣº
xhy1331
»Ø´ðʱ¼ä£º2013-12-16 12:10
14 10
LTEÖвâÁ¿Ê¹ÓÃRSRPºÍRSRQ£¬Ã»Ìý˵¹ýÓÐRSSIÕâ¸ö²ÎÊý°¡£¡£¿
»Ø´ðÕߣº
wwwmscbsccom
»Ø´ðʱ¼ä£º2013-12-16 12:31
14 16
ÎÒÃÇÖªµÀ RSRQ = N*RSRP/RSSI
NΪRSSIµÄ²âÁ¿´ø¿í£¬¼´RBµÄ¸öÊý¡£Ö®Ç°ÎÒµÄÀí½âÊÇRSRPÊDzο¼ÐźÅREÉϵÄƽ¾ù¹¦ÂÊ£¬¶øRSSIÊDzâÁ¿´ø¿íÉϵÄRE¹¦ÂÊÖ®ºÍ£¬ÄÇôRSRQÏ൱ÓÚ1¸öREÏà¶ÔÓÚ1¸öRB(¼´12¸öRE)µÄ±ÈÖµ¡£ÏÖÓиßͨijһLog×ÊÁÏ£¬Ö¤Ã÷ÎÒµÄÀí½âÓ¦¸ÃÊÇÕýÈ·µÄ£¬»¶Ó̽ÌÖ¡£
¸ßͨLogÈçÏ£¨20M´ø¿í£¬¼´100RB£©£º
--------------------------------------------------------------------------------------
| | | |RSSI |RSRP |RSRP |RSRQ |RSRQ | | | |
| |Physical|Srxlev|Inst |Average|Inst |Average|Inst |Q | |Treselection|
|# |ID |(dB) |(dBm) |(dBm) |(dBm) |(dBm) |(dBm) |Offset|Rank|(s) |
--------------------------------------------------------------------------------------
| 0| 200| 55| -48.13| -74.38| -74.38| -6.25| -6.25| 0 dB| -74| 63|
¼ÆËã¹ý³ÌÈçÏ£º
RSRQ = 10lg{ 100* rsrp/rssi }
rssi = 10µÄ£¨-4.813£©= 1.538*10µÄ-5´Î·½ mW
rsrp = 10µÄ£¨-7.438£©= 3.6475*10µÄ-8´Î·½ mW
RSRQ = 10lg£¨0.2371£©= -6.25 dB
ÕâÀïµÃµ½RSRQÓëlogÖеÄRSRQÏàµÈ¡£
NΪRSSIµÄ²âÁ¿´ø¿í£¬¼´RBµÄ¸öÊý¡£Ö®Ç°ÎÒµÄÀí½âÊÇRSRPÊDzο¼ÐźÅREÉϵÄƽ¾ù¹¦ÂÊ£¬¶øRSSIÊDzâÁ¿´ø¿íÉϵÄRE¹¦ÂÊÖ®ºÍ£¬ÄÇôRSRQÏ൱ÓÚ1¸öREÏà¶ÔÓÚ1¸öRB(¼´12¸öRE)µÄ±ÈÖµ¡£ÏÖÓиßͨijһLog×ÊÁÏ£¬Ö¤Ã÷ÎÒµÄÀí½âÓ¦¸ÃÊÇÕýÈ·µÄ£¬»¶Ó̽ÌÖ¡£
¸ßͨLogÈçÏ£¨20M´ø¿í£¬¼´100RB£©£º
--------------------------------------------------------------------------------------
| | | |RSSI |RSRP |RSRP |RSRQ |RSRQ | | | |
| |Physical|Srxlev|Inst |Average|Inst |Average|Inst |Q | |Treselection|
|# |ID |(dB) |(dBm) |(dBm) |(dBm) |(dBm) |(dBm) |Offset|Rank|(s) |
--------------------------------------------------------------------------------------
| 0| 200| 55| -48.13| -74.38| -74.38| -6.25| -6.25| 0 dB| -74| 63|
¼ÆËã¹ý³ÌÈçÏ£º
RSRQ = 10lg{ 100* rsrp/rssi }
rssi = 10µÄ£¨-4.813£©= 1.538*10µÄ-5´Î·½ mW
rsrp = 10µÄ£¨-7.438£©= 3.6475*10µÄ-8´Î·½ mW
RSRQ = 10lg£¨0.2371£©= -6.25 dB
ÕâÀïµÃµ½RSRQÓëlogÖеÄRSRQÏàµÈ¡£
»Ø´ðÕߣº
OscarDon
»Ø´ðʱ¼ä£º2013-12-16 15:27
15 13
·¹ýѧϰ
»Ø´ðÕߣº
ljj3291
»Ø´ðʱ¼ä£º2013-12-17 13:49
15 10
RSSI:
Received Signal
Strength Indicator
½ÓÊÕÐźÅÇ¿¶È¡ª¡ªÓÐRSµÄÄÇЩsymbolµÄƽ¾ù¹¦ÂÊ
•RSSI²»ÊÇUEÐèÒªÉϱ¨µÄ²âÁ¿Á¿£¬²»¹ý¼ÆËãRSRQÐèÒªÏȵõ½RSSI
•RSSIÔÚƵÓòÉÏÉæ¼°¶àÉÙ×ÓÔز¨ÓÉUE×ÔÐоö¶¨£¨²âÁ¿´ø¿í£©
1
Ôز¨½ÓÊÕÐźÅÇ¿¶Èָʾ(RSSI)
Ôز¨½ÓÊÕÐźÅÇ¿¶ÈָʾµÄ¼ÆËãÈçÏ£º
RSSI = PPRB * NPRB * PathLoss / NSymbol
ÆäÖУ¬RSSI£ºÔز¨½ÓÊÕÐźÅÇ¿¶Èָʾ£»
PPRB: ÔÚϵͳ½ÓÊÕ´ø¿íÄÚ£¬Á½¸öʱ϶ÉÏPRBµÄƽ¾ù·¢É书ÂÊ£»
NPRB£ºÏÂÐд«ÊäÖÐËùÐèÒªµÄPRB×ÜÊý£»
PathLoss: eNodeBÓëUEÖ®¼äµÄ·¾¶ËðºÄ£»
NSymbol£ºÃ¿¸öPRBÉϵÄOFDM·ûºÅÊý£¬ÓÉCPµÄÅäÖþö¶¨¡£
½ÓÊÕÐźÅÇ¿¶È¡ª¡ªÓÐRSµÄÄÇЩsymbolµÄƽ¾ù¹¦ÂÊ
•RSSI²»ÊÇUEÐèÒªÉϱ¨µÄ²âÁ¿Á¿£¬²»¹ý¼ÆËãRSRQÐèÒªÏȵõ½RSSI
•RSSIÔÚƵÓòÉÏÉæ¼°¶àÉÙ×ÓÔز¨ÓÉUE×ÔÐоö¶¨£¨²âÁ¿´ø¿í£©
1
Ôز¨½ÓÊÕÐźÅÇ¿¶Èָʾ(RSSI)
Ôز¨½ÓÊÕÐźÅÇ¿¶ÈָʾµÄ¼ÆËãÈçÏ£ºRSSI = PPRB * NPRB * PathLoss / NSymbol
ÆäÖУ¬RSSI£ºÔز¨½ÓÊÕÐźÅÇ¿¶Èָʾ£»
PPRB: ÔÚϵͳ½ÓÊÕ´ø¿íÄÚ£¬Á½¸öʱ϶ÉÏPRBµÄƽ¾ù·¢É书ÂÊ£»
NPRB£ºÏÂÐд«ÊäÖÐËùÐèÒªµÄPRB×ÜÊý£»
PathLoss: eNodeBÓëUEÖ®¼äµÄ·¾¶ËðºÄ£»
NSymbol£ºÃ¿¸öPRBÉϵÄOFDM·ûºÅÊý£¬ÓÉCPµÄÅäÖþö¶¨¡£
»Ø´ðÕߣº
a544272052
»Ø´ðʱ¼ä£º2013-12-20 09:38
13 11
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |