TWI457028B - 蜂巢式通信系統之方法及裝置 - Google Patents
蜂巢式通信系統之方法及裝置 Download PDFInfo
- Publication number
- TWI457028B TWI457028B TW098118597A TW98118597A TWI457028B TW I457028 B TWI457028 B TW I457028B TW 098118597 A TW098118597 A TW 098118597A TW 98118597 A TW98118597 A TW 98118597A TW I457028 B TWI457028 B TW I457028B
- Authority
- TW
- Taiwan
- Prior art keywords
- power
- subframe
- parameter
- ofdm symbol
- power ramp
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract 20
- 230000010267 cellular communication Effects 0.000 title 1
- 230000008054 signal transmission Effects 0.000 claims abstract 10
- 230000001413 cellular effect Effects 0.000 claims abstract 3
- 230000006978 adaptation Effects 0.000 claims 5
- 238000004904 shortening Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 2
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Claims (30)
- 一種在用於蜂巢式電信通訊中之一發射器之發射輸出功率控制的方法,其包括:為一信號發射的一子訊框及一正交分頻多工(OFDM)符號之至少一個設定一預定義功率遮罩,其中該功率遮罩是藉由與下列任一個關聯的至少一個參數定義:一第一功率斜坡(ramp)的一開始點;該第一功率斜坡的一結束點;一第二功率斜坡的一開始點;該第二功率斜坡的一結束點,其中該方法進一步包括以下步驟:調適該功率遮罩的至少一個功率遮罩參數之至少一個,以適於該信號發射的信號發射特徵,俾依據該等信號發射特徵而將該第一及/或第二功率斜坡置於該子訊框或OFDM符號之內部或外部,該等信號發射特徵包含在該子訊框或OFDM符號中待發射的該信號的內容及/或在一後繼子訊框或OFDM符號中待發射的該信號的內容,及將該調適的功率遮罩應用於該子訊框及該OFDM符號之至少一個。
- 如請求項1之方法,其中該方法在一使用者設備中實施。
- 如請求項2之方法,其另包括以下步驟:自一網路節點接收關於如何調適該至少一個功率遮罩參數之指令。
- 如請求項3之方法,其中該指令包括複數個標準功率遮 罩中之一個的一識別。
- 如請求項1之方法,其中該方法在一網路節點中實施。
- 如請求項1之方法,其中當該子訊框的一後繼子訊框包含資料時,該功率遮罩參數的該調適係藉由將該第二功率斜坡的該結束點參數調整為放置於該子訊框內部而執行。
- 如請求項1之方法,其中當該子訊框的一後繼子訊框不包含資料時,該功率遮罩參數的該調適係藉由將該第二功率斜坡的該開始點參數調整為放置於該子訊框外部而執行。
- 如請求項1之方法,其中當該子訊框包含資料及該子訊框的一後繼子訊框包含資料時,該功率遮罩參數的該調適係藉由將該第二功率斜坡的該開始點參數調整為放置於該子訊框內部,藉由將該第二功率斜坡的該結束點參數調整為放置於該子訊框外部,及藉由縮短該第二功率斜坡的該持續時間而執行。
- 如請求項1之方法,其中當該OFDM符號包含一參考信號時,該功率遮罩參數的該調適係藉由將該第一功率斜坡的該結束點參數調整為放置於該OFDM符號外部,及藉由將該第二功率斜坡的該開始點參數調整為放置於該OFDM符號外部而執行。
- 如請求項1之方法,其中當該OFDM符號的一先前OFDM符號包含一參考信號時,該功率遮罩參數的該調適係藉由將該第一功率斜坡的該開始點參數調整為放置於該 OFDM符號內部而執行。
- 如請求項1之方法,其中當該OFDM符號的一後繼OFDM符號包含一參考信號時,該功率遮罩參數的該調適係藉由將該第二功率斜坡的該結束點參數調整為放置於該OFDM符號內部而執行。
- 如請求項1之方法,其中當該子訊框的一後繼子訊框包含具有高階調變的資料時,該功率遮罩參數的該調適係藉由將該第二功率斜坡的該結束點參數調整為放置於該子訊框內部而執行。
- 如請求項1之方法,其中當該子訊框的一後繼子訊框包含具有低階調變的資料時,該功率遮罩參數的該調適係藉由將該第二功率斜坡的該開始點參數調整為放置於該子訊框外部而執行。
- 如請求項1之方法,其中當一信號擾動低於或等於一預定臨限值時,該功率遮罩參數的該調適係藉由將該第一功率斜坡的該結束點參數調整為放置於該子訊框外部,及藉由將該第二功率斜坡的該開始點參數調整為放置於該子訊框外部而執行。
- 如請求項1之方法,其中當一信號擾動大於一預定臨限值時,該功率遮罩參數的該調適係藉由將該第一功率斜坡的該開始點參數調整為放置於該子訊框內部,及藉由將該第二功率斜坡的該結束點參數調整為放置於該子訊框內部而執行。
- 一種在用於蜂巢式電信通訊中之一發射器之發射輸出功 率控制之裝置,其包括:一設定單元,其用於為一信號發射的一子訊框及一正交頻分多工(OFDM)符號之至少一個設定一預定義功率遮罩,其中該功率遮罩藉由與下列任一個關聯的至少一個參數定義:一第一功率斜坡的一開始點;該第一功率斜坡的一結束點;一第二功率斜坡的一開始點;該第二功率斜坡的一結束點,其中該裝置進一步包括:一調適單元,其用於調適該功率遮罩的至少一個功率遮罩參數之至少一個以適於該信號發射的信號發射特徵,俾依據該等信號發射特徵而將該第一及/或第二功率斜坡置於該子訊框或OFDM符號之內部或外部,該等信號發射特徵包含在該子訊框或OFDM符號中待發射的該信號的內容及/或在一後繼子訊框或OFDM符號中待發射的該信號的內容,及用於將該調適的功率遮罩應用於該子訊框及該OFDM符號之至少一個之單元。
- 如請求項16之裝置,其中該裝置在一使用者設備中實施。
- 如請求項17之裝置,其包括:一接收器,其用於自一網路節點接收關於如何調適該至少一個功率遮罩參數之至少一個的指令。
- 如請求項18之裝置,其中該指令包括複數個標準功率遮罩中之一個的一識別。
- 如請求項16之裝置,其中該裝置在一網路節點中實施。
- 如請求項16之裝置,其中該用於調適之單元(104)係經組態用以當該子訊框的一後繼子訊框包含資料時,將該第二功率斜坡的該結束點參數調整為放置於該子訊框內部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該子訊框的一後繼子訊框不包含資料時,將該第二功率斜坡的該開始點參數調整為放置於該子訊框外部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該子訊框包含資料及該子訊框的一後繼子訊框包含資料時,將該第二功率斜坡的該開始點參數調整為放置於該子訊框內部,及將該第二功率斜坡的該結束點參數調整為放置於該子訊框外部,及縮短該第二功率斜坡的該持續時間。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該OFDM符號包含一參考信號時,將該第一功率斜坡的該結束點參數調整為放置於該OFDM符號外部,及將該第二功率斜坡的該開始點參數調整為放置於該OFDM符號外部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該OFDM符號的一先前OFDM符號包含一參考信號時,將該第一功率斜坡的該開始點參數調整為放置於該OFDM符號內部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該OFDM符號的一後繼OFDM符號包含一參考信號 時,將該第二功率斜坡的該結束點參數調整為放置於該OFDM符號內部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該子訊框的一後繼子訊框包含具有高階調變的資料時,將該第二功率斜坡的該結束點參數調整為放置於該子訊框內部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當該子訊框的一後繼子訊框包含具有低階調變的資料時,將該第二功率斜坡的該開始點參數調整為放置於該子訊框外部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當一信號擾動低於或等於一預定臨限值時,將該第一功率斜坡的該結束點參數調整為放置於該子訊框外部,及將該第二功率斜坡的該開始點參數調整為放置於該子訊框外部。
- 如請求項16之裝置,其中該用於調適之單元係經組態用以當一信號擾動大於一預定臨限值時,將該第一功率斜坡的該開始點參數調整為放置於該子訊框內部,及將該第二功率斜坡的該結束點參數調整為放置於該子訊框內部。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5916508P | 2008-06-05 | 2008-06-05 | |
PCT/SE2008/051494 WO2009148372A1 (en) | 2008-06-05 | 2008-12-18 | Method and arrangement in a cellular communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201012268A TW201012268A (en) | 2010-03-16 |
TWI457028B true TWI457028B (zh) | 2014-10-11 |
Family
ID=40512202
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW098118597A TWI457028B (zh) | 2008-06-05 | 2009-06-04 | 蜂巢式通信系統之方法及裝置 |
TW105123658A TWI635766B (zh) | 2008-06-05 | 2009-06-04 | 蜂巢式通信系統之方法及裝置 |
TW103124614A TWI552628B (zh) | 2008-06-05 | 2009-06-04 | 蜂巢式通信系統之方法及裝置 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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TW105123658A TWI635766B (zh) | 2008-06-05 | 2009-06-04 | 蜂巢式通信系統之方法及裝置 |
TW103124614A TWI552628B (zh) | 2008-06-05 | 2009-06-04 | 蜂巢式通信系統之方法及裝置 |
Country Status (22)
Country | Link |
---|---|
US (2) | US8223863B2 (zh) |
EP (3) | EP2301285B2 (zh) |
JP (10) | JP4951718B2 (zh) |
KR (1) | KR101530411B1 (zh) |
CN (2) | CN103974406B (zh) |
AT (1) | ATE536069T1 (zh) |
AU (1) | AU2008357514B2 (zh) |
BR (1) | BRPI0822643B1 (zh) |
CA (1) | CA2726818A1 (zh) |
CO (1) | CO6351839A2 (zh) |
ES (2) | ES2586383T3 (zh) |
HK (2) | HK1157992A1 (zh) |
IL (1) | IL209597A (zh) |
MA (1) | MA32447B1 (zh) |
MX (1) | MX2010012233A (zh) |
MY (1) | MY149743A (zh) |
NZ (1) | NZ588998A (zh) |
PL (1) | PL2301285T5 (zh) |
RU (1) | RU2010154440A (zh) |
TW (3) | TWI457028B (zh) |
WO (1) | WO2009148372A1 (zh) |
ZA (1) | ZA201008047B (zh) |
Families Citing this family (9)
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PL2301285T5 (pl) * | 2008-06-05 | 2016-06-30 | Optis Wireless Technology Llc | Sposób i układ w komórkowym systemie łączności |
US9325555B2 (en) | 2012-02-24 | 2016-04-26 | Lg Electronics Inc. | Method and device for tracking synchronization |
US9763225B2 (en) * | 2013-10-07 | 2017-09-12 | Qualcomm Incorporated | LTE-U clear channel assessment operations |
US9295010B2 (en) * | 2013-10-11 | 2016-03-22 | Qualcomm Incorporated | Dynamic transmit power and signal shaping |
US9742443B2 (en) * | 2015-09-08 | 2017-08-22 | Nxp B.V. | Pulse shaping for radio frequency transmitters |
US11088889B2 (en) | 2016-02-17 | 2021-08-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Systems and methods of providing a guard interval for transmissions in a communication system |
CN109952790B (zh) * | 2016-11-04 | 2022-03-18 | 瑞典爱立信有限公司 | 短tti的on/off时间掩码 |
US10368365B2 (en) | 2017-02-02 | 2019-07-30 | Qualcomm Incorporated | Time mask techniques for shortened transmission time intervals |
JP7027118B2 (ja) | 2017-10-24 | 2022-03-01 | 株式会社Ihiプラント | タンク用ジャッキサポート及びタンクの構築方法 |
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PL2301285T5 (pl) * | 2008-06-05 | 2016-06-30 | Optis Wireless Technology Llc | Sposób i układ w komórkowym systemie łączności |
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2008
- 2008-12-18 PL PL08874563T patent/PL2301285T5/pl unknown
- 2008-12-18 EP EP08874563.3A patent/EP2301285B2/en active Active
- 2008-12-18 ES ES11184349.6T patent/ES2586383T3/es active Active
- 2008-12-18 KR KR1020117000118A patent/KR101530411B1/ko active IP Right Grant
- 2008-12-18 MX MX2010012233A patent/MX2010012233A/es active IP Right Grant
- 2008-12-18 CN CN201410170002.5A patent/CN103974406B/zh active Active
- 2008-12-18 JP JP2011512408A patent/JP4951718B2/ja active Active
- 2008-12-18 AU AU2008357514A patent/AU2008357514B2/en active Active
- 2008-12-18 EP EP16173214.4A patent/EP3107338A1/en not_active Withdrawn
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US6625227B1 (en) * | 1999-09-30 | 2003-09-23 | Ericsson Inc. | Artificial ramping of transmit power for burst transmissions |
US7031677B2 (en) * | 2001-06-29 | 2006-04-18 | Infineon Technologies Ag | Optimization of the operating point of power amplifiers in mobile stations |
US7158494B2 (en) * | 2001-10-22 | 2007-01-02 | Matsushita Electric Industrial Co., Ltd. | Multi-mode communications transmitter |
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