TWI456922B - A tdd testing device - Google Patents

A tdd testing device Download PDF

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Publication number
TWI456922B
TWI456922B TW097131318A TW97131318A TWI456922B TW I456922 B TWI456922 B TW I456922B TW 097131318 A TW097131318 A TW 097131318A TW 97131318 A TW97131318 A TW 97131318A TW I456922 B TWI456922 B TW I456922B
Authority
TW
Taiwan
Prior art keywords
base station
radio base
division duplex
time division
signal power
Prior art date
Application number
TW097131318A
Other languages
Chinese (zh)
Other versions
TW200929910A (en
Inventor
Jiuhui Du
Lei Xiao
Bin Xu
Original Assignee
Ericsson Telefon Ab L M
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Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of TW200929910A publication Critical patent/TW200929910A/en
Application granted granted Critical
Publication of TWI456922B publication Critical patent/TWI456922B/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values

Claims (14)

一種判定在一分時雙工(time division duplex)蜂巢式(cellular)無線電系統中的干擾信號功率之方法，其特徵在於以下步驟：-偏移(203、303)一分時雙工無線電基地台之上行鏈路及下行鏈路傳輸時間間隔，俾使該分時雙工無線電基地台可接收一分時雙工無線電基地台下行鏈路傳輸時間槽(transmission time slot)作為上行鏈路時間槽；-量測(207、307)在該所偏移的上行鏈路傳輸時槽中之該信號功率；-基於在該所偏移的上行鏈路傳輸時槽中之該測得的信號功率判定(207、307)該干擾信號功率。 A method of determining the power of an interfering signal in a time division duplex cellular radio system, characterized by the following steps: - Offset (203, 303) a time division duplex radio base station Uplink and downlink transmission time intervals, such that the time division duplex radio base station can receive a time division duplex radio base station downlink transmission time slot as an uplink time slot - measuring (207, 307) the signal power in the offset uplink transmission slot; - determining based on the measured signal power in the offset uplink transmission slot (207, 307) the interference signal power. 如請求項1之方法，其進一步包含以下附加步驟：-回應於該所判定的干擾信號功率，調諧屬於與該分時雙工無線電基地台相同的該無線電系統之至少一個周圍的無線電基地台之若干參數。 The method of claim 1, further comprising the additional step of: tune to a radio base station belonging to at least one of the same radio system as the time division duplex radio base station in response to the determined interference signal power Several parameters. 如請求項2之方法，其中該至少一個周圍的基地台之傾斜角被調整。 The method of claim 2, wherein the tilt angle of the at least one surrounding base station is adjusted. 如請求項1至3之任一項之方法，其進一步包含以下附加步驟：-回應於該所判定的干擾信號功率，調諧屬於如該分時雙工無線電基地台之另一無線電系統之至少一個周圍的無線電基地台之若干參數。 The method of any one of claims 1 to 3, further comprising the additional step of: tuning to at least one of the other radio systems as the time division duplex radio base station in response to the determined interference signal power Several parameters of the surrounding radio base station. 如請求項4之方法，其中屬於另一無線電系統之該至少 一個周圍的無線電基地台採用不同於該分時雙工無線電基地台之另一無線電存取技術。 The method of claim 4, wherein the at least one of the other radio systems A surrounding radio base station employs another radio access technology than the time division duplex radio base station. 如請求項1至3中任一項之方法，其進一步包含以下附加步驟：-回應於該所判定的干擾信號功率，配置該分時雙工無線電基地台之若干參數。 The method of any one of claims 1 to 3, further comprising the additional step of: configuring a number of parameters of the time division duplex radio base station in response to the determined interference signal power. 如請求項1至3中任一項之方法，其中當該TDD無線電系統係一分時同步分碼多重存取(TD-SCDMA)無線電系統時，該分時雙工無線電基地台之該上行鏈路及下行鏈路傳輸時間間隔之該偏移係藉由偏移一TD-SCDMA無線電基地台之該時槽切換點而執行。 The method of any one of claims 1 to 3, wherein the uplink of the time division duplex radio base station when the TDD radio system is a time division synchronous code division multiple access (TD-SCDMA) radio system This offset of the downlink and downlink transmission time intervals is performed by offsetting the time slot switching point of a TD-SCDMA radio base station. 一種用於判定在一分時雙工蜂巢式無線電系統中之干擾信號功率之裝置(105)，其特徵在於：-用於偏移一分時雙工無線電基地台之上行鏈路及下行鏈路傳輸時間間隔之構件(113)，俾使該分時雙工無線電基地台可接收一分時雙工無線電基地台下行鏈路傳輸時間槽作為上行鏈路時間槽；-用於量測在該所偏移的上行鏈路傳輸時槽中之該信號功率之構件(111)；及-用於基於在該所偏移的上行鏈路傳輸時槽中之該所測得的信號功率來判定該干擾信號功率之構件(111、115)。 A device (105) for determining the power of an interfering signal in a time division duplex cellular radio system, characterized by: - for offsetting an uplink and downlink of a time division duplex radio base station Transmitting a time interval component (113) such that the time division duplex radio base station can receive a time division duplex radio base station downlink transmission time slot as an uplink time slot; a component (111) of the signal power in the offset uplink transmission time slot; and - for determining the measured signal power in the offset uplink transmission time slot A component (111, 115) that interferes with signal power. 如請求項8之裝置，其進一步包含：-用於回應於該所判定的干擾信號功率，調諧屬於與該 分時雙工無線電基地台相同的無線電系統之至少一個周圍的無線電基地台之若干參數的構件。 The device of claim 8, further comprising: - responsive to the determined interference signal power, the tuning belongs to A component of several parameters of a radio base station of at least one of the same radio systems of a time-division duplex radio base station. 如請求項9之裝置，其進一步包含用於調整該至少一個周圍的基地台之傾斜角之構件。 The apparatus of claim 9, further comprising means for adjusting a tilt angle of the at least one surrounding base station. 如請求項8至10中任一項之裝置，其進一步包含：-用於回應於該所判定的干擾信號功率，調諧屬於如該分時雙工無線電基地台之另一無線電系統之至少一個周圍的無線電基地台之若干參數之構件。 The apparatus of any one of claims 8 to 10, further comprising: - responsive to the determined interference signal power, tuning to at least one surrounding of another radio system as the time division duplex radio base station A component of several parameters of a radio base station. 如請求項11之裝置，其進一步包含：用於調諧採用不同於該分時雙工無線電基地台之另一無線電存取技術之至少一個周圍的無線電基地台之若干參數之構件。 The apparatus of claim 11, further comprising: means for tuning a number of parameters of the radio base station that is different from at least one of the other radio access technologies of the time division duplex radio base station. 如請求項8至10中任一項之裝置，其進一步包含：-用於回應於該所判定的干擾信號功率，配置該分時雙工無線電基地台之若干參數之構件。 The apparatus of any one of claims 8 to 10, further comprising: - means for configuring a number of parameters of the time division duplex radio base station in response to the determined interference signal power. 如請求項8至10中任一項之裝置，其中該TDD無線電系統係一分時同步分碼多重存取(TD-SCDMA)無線電系統，其中：用於偏移該分時雙工無線電基地台之該上行鏈路及下行鏈路傳輸時間間隔之該構件被配置為偏移一TD-SCDMA無線電基地台之該時槽切換點。The apparatus of any one of claims 8 to 10, wherein the TDD radio system is a time division synchronous code division multiple access (TD-SCDMA) radio system, wherein: for shifting the time division duplex radio base station The means for the uplink and downlink transmission time intervals is configured to offset the time slot switching point of a TD-SCDMA radio base station.
TW097131318A 2007-09-18 2008-08-15 A tdd testing device TWI456922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2007/050664 WO2009038507A1 (en) 2007-09-18 2007-09-18 A tdd testing device

Publications (2)

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TW200929910A TW200929910A (en) 2009-07-01
TWI456922B true TWI456922B (en) 2014-10-11

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TW097131318A TWI456922B (en) 2007-09-18 2008-08-15 A tdd testing device

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TW (1) TWI456922B (en)
WO (1) WO2009038507A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3278122A4 (en) * 2015-04-03 2018-12-05 Dali Systems Co. Ltd. Method and system for link synchronization in an lte-tdd architecture

Citations (3)

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Publication number Priority date Publication date Assignee Title
US20040081121A1 (en) * 2002-08-23 2004-04-29 Navini Networks, Inc. Method and system for multi-cell interference reduction in a wireless communication system
US20070149242A1 (en) * 2005-12-03 2007-06-28 Samsung Electronics Co., Ltd. Method and apparatus for canceling neighbor cell interference signals in an orthogonal frequency division multiple access system
US20090245082A1 (en) * 2008-03-28 2009-10-01 Qualcomm Incorporated System and Methods For Cancelling Interference In a Communication System

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842438B1 (en) * 2000-06-26 2005-01-11 Lucent Technologies Inc. Method to dynamically determine interference and carrier-to-interference ration during TDMA calls
NO20051366L (en) * 2005-03-16 2006-09-18 Telenor Asa Procedure for canceling interference

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040081121A1 (en) * 2002-08-23 2004-04-29 Navini Networks, Inc. Method and system for multi-cell interference reduction in a wireless communication system
US20070149242A1 (en) * 2005-12-03 2007-06-28 Samsung Electronics Co., Ltd. Method and apparatus for canceling neighbor cell interference signals in an orthogonal frequency division multiple access system
US20090245082A1 (en) * 2008-03-28 2009-10-01 Qualcomm Incorporated System and Methods For Cancelling Interference In a Communication System

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WO2009038507A1 (en) 2009-03-26
TW200929910A (en) 2009-07-01
CN101803249A (en) 2010-08-11
CN101803249B (en) 2014-07-09

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