WO2004088899A2 - Wireless multi-cell communication system for managing resource power to provide high speed downlink packet access services - Google Patents

Wireless multi-cell communication system for managing resource power to provide high speed downlink packet access services Download PDF

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Publication number
WO2004088899A2
WO2004088899A2 PCT/US2004/008790 US2004008790W WO2004088899A2 WO 2004088899 A2 WO2004088899 A2 WO 2004088899A2 US 2004008790 W US2004008790 W US 2004008790W WO 2004088899 A2 WO2004088899 A2 WO 2004088899A2
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WO
WIPO (PCT)
Prior art keywords
hsdpa
rnc
cell
timeslots
base station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2004/008790
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English (en)
French (fr)
Other versions
WO2004088899A3 (en
Inventor
Marian Rudolf
James M. Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP04758199A priority Critical patent/EP1614301B1/en
Priority to BRPI0409030-6A priority patent/BRPI0409030A/pt
Priority to CA2520006A priority patent/CA2520006C/en
Priority to KR1020107004907A priority patent/KR101049840B1/ko
Priority to KR1020087008563A priority patent/KR101049838B1/ko
Priority to AT04758199T priority patent/ATE507699T1/de
Priority to MXPA05010267A priority patent/MXPA05010267A/es
Priority to CN200480008214.8A priority patent/CN1802860B/zh
Priority to JP2006507468A priority patent/JP4425909B2/ja
Application filed by InterDigital Technology Corp filed Critical InterDigital Technology Corp
Priority to AU2004225419A priority patent/AU2004225419B2/en
Priority to DE602004032430T priority patent/DE602004032430D1/de
Publication of WO2004088899A2 publication Critical patent/WO2004088899A2/en
Publication of WO2004088899A3 publication Critical patent/WO2004088899A3/en
Priority to IL170565A priority patent/IL170565A/en
Anticipated expiration legal-status Critical
Priority to NO20054869A priority patent/NO330877B1/no
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission
    • H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission during data packet transmission, e.g. high speed packet access [HSPA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/386—TPC being performed in particular situations centralized, e.g. when the radio network controller or equivalent takes part in the power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention generally relates to a wireless multi-cell communication system. More particularly, the present invention relates to controlling the transmission power used by base stations when providing high speed downlink packet access (HSDPA) services.
  • HSDPA high speed downlink packet access
  • the third generation partnership project (3GPP) wideband code division multiple access (W-CDMA) system is outlined in the operational scenarios for universal mobile telecommunications system (UMTS) releases R99/R4 and R5.
  • UMTS universal mobile telecommunications system
  • FDD frequency division duplex
  • TDD time division duplex
  • HSDPA high speed downlink packet access
  • the principle of HSDPA is to schedule packet transmissions on the air interface to different mobiles as a function of their instantaneous experienced radio and service conditions in a dynamic manner (i.e., fast, every 2 ms in FDD or every 10 ms in wideband TDD, for example).
  • HSDPA fast retransmissions
  • Uu air interface
  • UL uplink
  • WTRU wireless transmit/receive unit
  • RNC radio network controller
  • the RNC in a UMTS network has responsibility for network control and radio resource management (RRM).
  • the RNC performs tasks such as, for example, user admission control and interference management using dynamic channel allocation (DCA) algorithms, and is thus key to ensuring reliable system operation and maximizing system efficiency.
  • DCA dynamic channel allocation
  • One measure of high efficiency is when the users are served or when the overall throughput is achieved.
  • TTI HS transmission timing interval
  • the RNC communicates with the base station, noting that the spreading codes can be used for HSDPA by means of Iub/Iur signaling, and subsequently passes control on when to send DL packets in these codes to the base station.
  • the RNC also notifies the WTRU by means of RRC signaling regarding which physical channels to listen for the HSDPA control channels, i.e., high speed shared control channels (HS-SCCHs), which in turn are used by the base station to dynamically notify WTRUs of the arrival of scheduled DL packets on its HS- DSCH.
  • HS-SCCHs high speed shared control channels
  • the same information is sent from the RNC to base station, such that the base station is informed regarding which HS-SCCH channel a WTRU is to be alerted when HSDPA data is to be sent to the WTRU.
  • the base station acts on an independent basis to determine, based on its own HSDPA scheduler, when to transmit HSDPA data to a particular WTRU. [0008] In a TDD system, the RNC allocates a certain number of timeslots
  • TSs HSDPA data channels
  • HS-DSCHs HSDPA data channels
  • the RNC communicates with the base station, noting that the TSs and spreading codes can be used for HSDPA by means of Iub/Iur signaling, and subsequently passes control on when to send DL packets in these TSs and codes to the base station.
  • the RNC also notifies the WTRU by means of RRC signaling regarding which physical channels to listen for the HSDPA control channels, (i.e., high speed shared control channels (HS-SCCHs)), which in turn are used by the base station to dynamically notify WTRUs of the arrival of scheduled DL packets on its HS- DSCH.
  • HS-SCCHs high speed shared control channels
  • the same information is sent from the RNC to base station, such that the base station is informed regarding which HS-SCCH channel a WTRU is to be alerted when HSDPA data is to be sent to the WTRU.
  • the base station acts on an independent basis to determine, based on its own HSDPA scheduler, when to transmit HSDPA data to a particular WTRU.
  • both FDD and TDD employ fast closed-loop (CL) power-control (PC) in the DL for the dedicated channels.
  • CL PC closed-loop power-control
  • DCHs dedicated channels
  • a dynamic range is pre-established at DCH setup and eventually adjusted during the life-time of the DCH by the RNC.
  • the Node B is signaled the PC dynamic range by the RNC in the form of a maximum Tx power not to be exceeded and a minimum Tx power to be maintained because the RNC must make complex decisions to enhance the system performance.
  • a WTRU For example, a WTRU, requiring too much power, and thus frequently attaining the upper limit of the allowed dynamic range, creates over-proportional interference levels to other users in the system.
  • the RNC may want to drop or to handover this WTRU's connection. Therefore, tight RNC control of power limits while still allowing autonomous base station operation within the established power limits is a key feature in a CDMA system operating with power-control. [0011] For common channels of both TDD and FDD systems, tight control over the possible power settings is essential to ensuring that adequate coverage and service is available.
  • R5 much more autonomy is given to the base station as compared to R99 and R4.
  • the HS-DSCH is scheduled and sent solely under Node B responsibility.
  • the RNC still retains semi-static control by signaling both the WTRU and the base station with spreading codes and TSs, which are to be used for the HSDPA service, and ensuring that control channels (HS-SCCH) and high speed shared information channels (HS-SICH) are used.
  • HS-SCCH control channels
  • H-SICH high speed shared information channels
  • the RNC allocates in a semi-static manner a maximum amount of DL power, as a fraction of the total available base station Tx DL power, for the HSDPA service not to be exceeded in order to maintain the relatively high-level of interference created by the HSDPA channels within reasonable limits. This is implemented by signaling over the RNC / base station interfaces (Iub) when configuring DL channels in the base station.
  • an HSDPA WTRU at a cell border could eventually be served by the Node B at a high HSDPA data rate and create such a high level of interference that any service in the neighboring cells would be heavily impacted, even adversely, and result in an unacceptable degradation of overall system capacity or service to non-HSDPA (R99 and R4) WTRUs.
  • the RNC set maximum HSDPA power fraction per cell in turn indirectly determines the m ⁇ iximum data rate with which any given WTRU can be serviced. Another reason for the existence of such a control mechanism is that a certain amount of Node B DL Tx power needs to be reserved for non-HSDPA channels, such as pilot channels, common control channels or non-HSDPA DCHs.
  • a method and system for using an RNC control mechanism to establish a maximum HSDPA power level for each cell to provide HSDPA services does not exist for TDD.
  • the only way to mitigate this at all is to dedicate certain timeslots to HS-DSCH and others timeslots to the other existing services (dedicated, shared, etc.).
  • this does not allow the system to optimize the resource/power use of the WTRU by minimizing the timeslots a WTRU needs for handling the HS-DSCH channel along with the supporting channels (HS-SCCH or associated dedicated channels), since these channels cannot exist in common timeslots.
  • the maximum allowed Node B Tx power is configurable at cell setup by the RNC, but it does not discriminate between a base station's timeslots and applies to all of them. Furthermore, it does not differentiate between non- HSDPA and HSDPA channels.
  • a method and wireless multi-cell communication system for providing high speed downlink packet access (HSDPA) services.
  • the system includes a radio network controller (RNC) in communication with a plurality of base stations.
  • the RNC sends a control signal to at least one base station having a plurality of timeslots, e.g., in a time division duplex (TDD) system and/or frames including transmission timing intervals (TTIs), e.g., in a frequency division duplex (FDD) system assigned thereto for the establishment of HSDPA channels.
  • TDD time division duplex
  • the control signal indicates a maximum allowed HSDPA transmit power for each of the timeslots and/or TTIs.
  • the base station sends a feedback signal to the RNC indicating the results of measurements of the power of the transmitted HSDPA timeslots and/or TTIs during a predetermined time period.
  • Figure 1 shows a wireless multi-cell communication system for providing HSDPA services in accordance with the present invention
  • Figure 2A illustrates downlink transmission power allocation in cells based on time slots transmitted by a TDD system in accordance with one embodiment of the present invention
  • Figure 2B illustrates downlink transmission power allocation in cells based on HS transmission timing intervals transmitted by an FDD system in accordance with one embodiment of the present invention.
  • Figure 3 is a flow chart including method steps used by the system of Figure 1 to provide HSDPA services.
  • WTRU wireless transmit/receive unit
  • a WTRU includes but is not limited to a user equipment, mobile station, fixed or mobile subscriber unit, pager, or any other type of device capable of operating in a wireless environment.
  • wireless environments include, but are not limited to, wireless local area networks and public land mobile networks.
  • the WTRUs described herein are capable of operating in a time slotted mode or a frequency divided mode such as TDD and FDD respectively.
  • a "base station” includes but is not limited to a Node B, site controller, access point or other interfacing device in a wireless environment.
  • FIG. 1 shows a wireless multi-cell communication system 100 which provides HSDPA services in accordance with the present invention.
  • the system 100 includes a radio network controller (RNC) 105 and a plurality of base stations 110, 115, 120, operating in respective cells 125, 130 and 135.
  • the RNC 105 sends a control signal 140A, 140B, 140C, to at least one of the base stations 110, 115, 120, the at least one base station having a plurality of timeslots assigned thereto for the establishment of HSDPA channels, and the control signal 140A, 140B, 140C, indicating a maximum allowed HSDPA transmit power for each of the timeslots.
  • the at least one base station 110, 115, 120 sends a feedback signal 145A, 145B, 145C, to the RNC 105, the feedback signal 145A, 145B, 145C, indicating the results of measurements of the power of the transmitted HSDPA timeslots during a predetermined time period.
  • the system 100 may be a TDD system which uses an existing Iub interface whereby some or all of the cells / sectors in a deployment area of the system 100 offer the possibility of HSDPA service.
  • the RNC 105 communicates with individual base stations 110, 115, 120, and on a per timeslot basis control information on the maximum allowed HSDPA TS transmit (Tx) power not to be exceeded for a base station's 110, 115, 120, individual HS-DSCH timeslots.
  • the maximum allowed HSDPA TS Tx power may be set to different values for different HSDPA TSs of a particular cell. Also, if the same TS is enabled for HSDPA service in different cells, different maximum allowed HSDPA TS Tx power levels are configurable for the respective cells. For example, the cell 125 may not be allowed to exceed 5 dBm in TS m for its HSDPA service, whereas the cell 130 may not exceed 25 dBm for its HSDPA service in this same TS m .
  • Figure 2A illustrates an exemplary HSDPA TS configuration 200 whereby various HSDPA power settings used by the RNC 105 for each of a plurality of timeslots 205, (consisting of timeslots TS m , TS m + ⁇ , TS m +2, TS m +s, TSm+4, TS m +5), for each of a plurality of cells 125, 130, 135.
  • the maximum possible radio frequency (RF) base station power level for each cell and respective timeslot is depicted by dotted lines 210A, 210B and 210C, respectively.
  • Figure 2A illustrates three different allocation scenarios 220, 230,
  • the set of timeslots per frame allocated to HSDPA service in a TDD may be different from cell to cell.
  • multiple cells provide HSDPA service in the same
  • Scenario 220 maximizes system- wide HSDPA throughput.
  • the TSs are used by multiple cells for non-HS channels to, for example, guarantee sufficient coverage for the common channels.
  • Scenario 230 ensures simultaneous support of non-HSDPA channels in the same TS.
  • cell 1 is for providing HSDPA service and cell
  • Scenario 240 ensures simultaneous support of non-HSDPA channels in the same TS in neighboring cells.
  • the control information from the RNC 105 with these maximum allowed HSDPA TS Tx power settings to the cells 125, 130, 135, can be communicated at setup of the HSDPA resource pool in the particular base station 110, 115, 120, along with the information of which TSs and spreading codes are available to the base station for use with a HSDPA resource pool setup sent from the RNC 105 to the base stations. It shall also be possible to adjust the value of the maximum allowed HSDPA TS Tx power setting during the lifetime of the HSDPA resource pool of a given base station.
  • the individual base station 110, 115, 120 can communicate to the
  • RNC 105 feedback information 145A, 145B, 145C, advantageously realized, but not exclusively restricted to, in the form of measurements such as the effectively transmitted HSDPA TS Tx power observed during a given time period, (for example 100 ms or longer).
  • This provides feedback to the radio resource management (RRM) algorithms residing in the RNC 105 about the efficiency of these HSDPA power allocations and assists in the decision making process.
  • RRM radio resource management
  • RRM algorithms such as slow/fast-DC A, congestion / link control or others, residing in the RNC 105 take advantage of their knowledge of used Tx power / interference levels, (originating from HSDPA and non-HSDPA channels), observed by WTRUs (not shown) and base stations 110, 115, 120, in the system 100 to maximize system throughput or user capacity for HSDPA service or non-HSDPA service in the presence of HSDPA in one or more cells 125, 130, 135.
  • the maximum allowed HSDPA TS Tx power should ideally correspond to the maximum allowed sum of individual code powers of all spreading codes in the same TS allowed to be used on a cell HS-DSCH. Equivalent forms of signaling this may exist, but will still be functionally the same in principle.
  • the feedback information 145A, 145B, 145C, sent from the base stations 110, 115, 120, to the RNC 105 should ideally correspond to measurements on the effectively transmitted power on the sum of individual code powers of all spreading codes in the same TS, averaged over a certain reporting period. Other functionally equivalent measurements or feedback may also exist.
  • the allowed power for HSDPA service in the DL is settable by the RNC on a per cell basis only. There is no difference in "time domain.” Thus, for a given FDD cell, the very same power setting applies for all TTIs used to execute the HSDPA service.
  • FIG. 2B illustrates an exemplary FDD HSDPA system configuration 270 whereby various HSDPA power settings used by the RNC 105 for each of a plurality of frames (e.g., each 10 ms long) include five TTIs (TTIi - TTI 6 ), for each of a plurality of cells 125, 130, 135, each of the TTIs being 2 ms long.
  • TTIi - TTI 6 The maximum possible radio frequency (RF) base station power level for each cell and respective TTI is depicted by dotted lines 280A, 280B and 280C, respectively.
  • different FDD TTIs in a cell are allocated different max Tx power settings.
  • different sets of FDD HS-TTIs in a cell are allocated different max Tx power settings. For example, all of the 5 HS TTFs in frame n share a common maximum power setting, but the 5 HS-TTIs in the next following frame n+1 are assigned a different maximum power setting.
  • the RNC is able to totally shut off one or more HS TTIs in a cell.
  • FIG. 3 is a flow chart of a process 300 including method steps used by the system 100 to provide HSDPA services.
  • the RNC 105 sends a control signal 140A, 140B, 140C, to at least one of the base stations 110, 115, 120, the at least one base station being associated with a plurality of timeslots and the control signal 140A, 140B, 140C, indicating a maximum allowed HSDPA transmit power for each of the timeslots.
  • step 310 the at least one base station 110, 115, 120, sends a feedback signal 145A, 145B, 145C to the RNC 105 indicating the results of measurements of the power of the transmitted HSDPA timeslots during a predetermined time period.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/US2004/008790 2003-03-26 2004-03-23 Wireless multi-cell communication system for managing resource power to provide high speed downlink packet access services Ceased WO2004088899A2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP2006507468A JP4425909B2 (ja) 2003-03-26 2004-03-23 リソースパワーを管理することにより高速ダウンリンクパケットアクセスサービスを提供する無線マルチセル通信システムおよび方法
CA2520006A CA2520006C (en) 2003-03-26 2004-03-23 Wireless communication method and apparatus for providing high speed downlink packet access services
KR1020107004907A KR101049840B1 (ko) 2003-03-26 2004-03-23 고속 하향링크 패킷 접속 서비스를 제공하기 위한 무선 통신 방법 및 장치
KR1020087008563A KR101049838B1 (ko) 2003-03-26 2004-03-23 고속 하향링크 패킷 접속 서비스를 제공하기 위한 무선통신 방법 및 장치
AT04758199T ATE507699T1 (de) 2003-03-26 2004-03-23 Drahtloses mehrzellenkommunikationssystem und verfahren zur verwaltung der betriebsmittelleistung zur bereitstellung von schnellen abwärtsstreckenpaketzugangsdiensten
MXPA05010267A MXPA05010267A (es) 2003-03-26 2004-03-23 Sistema de comunicacion inalambrica multi-celula para gestion de potencia de recursos con el fin de proveer servicios de acceso de paquete de enlace descendente de alta velocidad.
CN200480008214.8A CN1802860B (zh) 2003-03-26 2004-03-23 用于提供高速下链封包存取服务的无线通信方法及装置
EP04758199A EP1614301B1 (en) 2003-03-26 2004-03-23 Wireless multi-cell communication system and method for managing resource power to provide high speed downlink packet access services
AU2004225419A AU2004225419B2 (en) 2003-03-26 2004-03-23 Wireless multi-cell communication system for managing resource power to provide high speed downlink packet access services
BRPI0409030-6A BRPI0409030A (pt) 2003-03-26 2004-03-23 sistema de comunicação de múltiplas células sem fio para administração de potência de recursos para fornecer serviços de acesso a pacotes de link inferior em alta velocidade
DE602004032430T DE602004032430D1 (de) 2003-03-26 2004-03-23 Drahtloses mehrzellenkommunikationssystem und verfahren zur verwaltung der betriebsmittelleistung zur bereitstellung von schnellen abwärtsstreckenpaketzugangsdiensten
IL170565A IL170565A (en) 2003-03-26 2005-08-30 A method and device for wireless communication to provide hsdpa services
NO20054869A NO330877B1 (no) 2003-03-26 2005-10-21 Tradlost multicellekommunikasjonssystem og fremgangsmate for a styre ressurseffekt for a gi hoyhastighetsnedlinkspakke-aksesstjeneste

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45802303P 2003-03-26 2003-03-26
US60/458,023 2003-03-26

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WO2004088899A2 true WO2004088899A2 (en) 2004-10-14
WO2004088899A3 WO2004088899A3 (en) 2004-11-25

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US (3) US8374190B2 (https=)
EP (1) EP1614301B1 (https=)
JP (1) JP4425909B2 (https=)
KR (4) KR20050105286A (https=)
CN (3) CN102421180B (https=)
AR (1) AR043932A1 (https=)
AT (1) ATE507699T1 (https=)
AU (2) AU2004225419B2 (https=)
BR (1) BRPI0409030A (https=)
CA (3) CA2807352C (https=)
DE (1) DE602004032430D1 (https=)
GE (2) GEP20094593B (https=)
IL (1) IL170565A (https=)
MX (1) MXPA05010267A (https=)
NO (1) NO330877B1 (https=)
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