WO2004012370A1 - 無線装置及び基地局装置 - Google Patents
無線装置及び基地局装置 Download PDFInfo
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- WO2004012370A1 WO2004012370A1 PCT/JP2003/008883 JP0308883W WO2004012370A1 WO 2004012370 A1 WO2004012370 A1 WO 2004012370A1 JP 0308883 W JP0308883 W JP 0308883W WO 2004012370 A1 WO2004012370 A1 WO 2004012370A1
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- 230000005540 biological transmission Effects 0.000 claims abstract description 183
- 238000004891 communication Methods 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims description 150
- 230000011664 signaling Effects 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 8
- 230000010485 coping Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 239000000969 carrier Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 4
- 101100465000 Mus musculus Prag1 gene Proteins 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 1
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 1
- 208000033498 Non-syndromic pontocerebellar hypoplasia Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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- 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
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
- H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
Definitions
- the present invention relates to a radio apparatus and a base station apparatus used in a radio communication system that performs high-speed bucket transmission on the downlink.
- HSDPA High Speed Downlink Packet Access
- multiple channels such as HS—High Speed-Physical Downlink Shared CHannel, HS—SCCH (Shared Control CHannel of HS-PDSCH), A—DPCH (Associated-Dedicated Physical CHannel for HS-PDSCH), etc.
- A-DPCH is a DPCH (Dedicated Physical CHannel: DPCH (Dedicated Physical Channel)) to be used as an accompanying channel when performing HSDP A transmission, and its channel configuration, handover control, etc. are described in 3GPP TS 25.211 v5.1.0. I do not replace DP CH.
- HS-PDSCH is a downlink shared channel used for packet transmission.
- HS — SCCH is a shared channel in the downlink direction, and resource allocation information, TFRI: Transport-format and Resource related Information)
- TFRI Transport-format and Resource related Information
- H Regarding Hybrid-Automatic Repeat reQuest (ARQ) control Information and the like are transmitted.
- A-DPCH is an uplink and downlink dedicated associated channel, the number according to the number of users is required.
- the DPCH transmits pilot signals, TPC commands, etc., and in the uplink, there is an ACK signal in addition to these.
- NACK signal, CQ I (Channel Quality Indicator) signal is transmitted.
- the ACK signal is a signal indicating that the high speed packet on the HS-PDSCH transmitted from the base station apparatus has been correctly demodulated by the communication terminal apparatus, and the NAC K signal is transmitted from the base station apparatus.
- a high-speed packet on HS-PDSCH is a signal indicating that the communication terminal apparatus could not be correctly demodulated.
- CQ I is a signal indicating modulation scheme and coding rate of packet data that can be demodulated in each communication terminal apparatus.
- the base station apparatus transmits to the user bucketed data to which the coding rate selection technology and the H-AR Q technology are applied. Therefore, it is necessary to schedule not only the control station apparatus but also the base station apparatus regarding the determination of the user transmitting the packet data, determination of necessity of packet retransmission, determination of modulation scheme and coding rate, etc. is there.
- a cell which is an area in which the mobile station apparatus can communicate with one base station apparatus, is further divided into a plurality of areas called sectors. Since the scheduling described above is performed in units of sectors, the base station apparatus is provided with transmission / reception signal processing circuits by a plurality of A-DPCHs corresponding to the sectors, and transmission signals by HS-PDSCH and HS_SCCH. It has a processing circuit.
- A_DPCH, HS-PDS CH and HS-SCCH processing circuits together form one processing circuit.
- A-DPCH is a channel specific to each user, it is provided for the number of users. When the user moves, the user may move between a plurality of sectors. Therefore, the processing circuit provided for each sector is equivalent to the number of all users that can communicate in the cell of each base station device itself. A-It is necessary to secure DP CH.
- A-DPCH of the user performing HSDPA communication is for HSDPA communication. It is allocated in a fixed manner and transmits CQ I signals etc. using A-DPCH.
- the processing circuit provided for each sector is a base station provided with those processing circuits. Since it is necessary to secure A-DPCH for all users who can communicate in the device's own cell, the number of A-D PCHs that can be accommodated in each transmit / receive signal processing circuit is limited due to the scale of hardware. There is a problem that the number of users is limited. In addition, even when the number of users performing HSDPA communication is not very large, such as in the early stages of HSDPA transmission system introduction, the number of A-D PC Hs used for HSDPA transmission from the beginning in anticipation of an increase in the number of users in the future.
- A-DPCH is fixedly allocated for HSDPA communication, A-DPCH can not be used for communication other than HSDPA communication, and vacant A-DPCH is made effective. There is a problem that it can not be used. Disclosure of the invention
- the subject matter of the present invention separates the A-DPCH signal processing unit and the HSDPA signal processing unit, and changes the number of A-DPCH signal processing blocks implemented in the A-DPCH signal processing unit according to the number of users. It is to be.
- each A-DP CH processing circuit of the A-DP CH signal processing unit is distributed among the sectors according to the number of users performing HSDPA communication for each sector.
- the wireless devices are provided in a number corresponding to the number of users, An individual channel signal processing means for generating an individual transmission signal for each user and separating signaling information from a reception signal of each user, a high speed transmission channel signal processing means for generating bucketed data based on the signaling information, and A transmission means for transmitting an individual transmission signal and the bucket data is provided.
- a transmission method comprising: generating an individual transmission signal for each user according to the number of users; separating signaling information from reception signals of each user; Generating packet data on the basis of the above-mentioned, and transmitting the individual transmission signal and the packet data.
- FIG. 1 is a block diagram showing the configuration of a radio apparatus according to Embodiment 1 of the present invention
- FIG. 2 is a block diagram showing the configuration of an A_D P CH signal processing block according to Embodiment 1 of the present invention.
- FIG. 3 is a block diagram showing the configuration of an H S D PA signal processing block according to the first embodiment of the present invention
- FIG. 4 is a block diagram showing the configuration of a radio apparatus according to Embodiment 2 of the present invention
- FIG. 5 is a block diagram showing the configuration of an A-D P CH signal processing block according to Embodiment 2 of the present invention.
- FIG. 6 is a block diagram showing the configuration of an H S D PA signal processing block according to a second embodiment of the present invention.
- FIG. 7 is a block diagram showing the configuration of an A_D P C H signal processing block according to a third embodiment of the present invention.
- FIG. 8 is a block diagram showing a configuration of an HSDPA signal processing block according to Embodiment 3 of the present invention.
- FIG. 1 is a diagram showing the configuration of radio apparatus 100 according to the present embodiment
- FIG. 2 is a diagram showing the configuration of A-DP CH signal processing blocks 106-1 to 106-n. These are figures which show the structure of a HSDPA signal processing block 107-1-107-n.
- Radio apparatus 100 in this embodiment mainly includes antenna 101, duplexer 102, radio receiver 103, radio transmitter 104, multiplexer 105, A-DPCH signal processor 106, and HSDPA signal processor 107.
- Configured The duplexer 102, the wireless reception unit 103 and the wireless transmission unit 104 constitute a wireless unit 110.
- the radio units 110 are provided in the same number as the number of sectors of the base station apparatus multiplied by the number of carriers.
- the duplexer 102 separates the reception signal received by the antenna 101 and the transmission signal input from the wireless transmission unit 104, and outputs the reception signal received by the antenna 101 to the wireless reception unit 103.
- the transmit signal input from 104 is transmitted from the antenna 101.
- Radio receiving section 103 down-converts the received signal input from duplexer 102 from the radio frequency to the baseband signal and outputs the result to multiplexing section 105.
- the wireless transmission unit 104 modulates the transmission signal input from the multiplexing unit 105 from the base band signal to a radio frequency and outputs the modulated signal to the duplexer 1–2.
- Multiplexing section 105 outputs the received signal received by radio receiving section 103 to each A_DPCH signal processing block 106-1-: L 06-n of A-DPCH signal processing section 106.
- multiplexing section 105 transmits the transmission signal inputted from each of DPCH signal processing blocks 1 06 1 to 106 _ n of each signal processing section 106 and each HSDPA signal processing block 107 1 to 107 n Send message input from Are code-multiplexed for each sector of each carrier and output to the wireless transmission unit 104.
- the A-DPCH signal processing unit 106 includes a plurality of A-DPCH signal processing blocks 106-1 to 106-n which are individual channel signal processing means.
- a DPCH signal processing block 106 — 1: L 06 — n is provided in a number corresponding to the number of users.
- the DPCH signal processing block 106-1 to 106-n decodes individual data for each user from the reception signal input from the multiplexing unit 105, and outputs the data to the transmission path IZF unit 108 via the cell path 109 and Separates the individual data and signaling information for each user from the signal, and outputs the separated signaling information to the cell bus 109.
- each A-DPCH signal processing block 106-1 to 106-n encodes the transmission signal for each user input from the transmission path IZF unit 108 via the cell bus 109, and further spread-modulates the signal using a spreading code.
- the signal After generating each individual transmission signal, the signal is output to multiplexing section 105.
- the details of the A-DPCH signal processing block 106-1 to 106-n will be described later.
- the signaling information is 1-bit Ack signal, 1-bit Nack signal and 5-bit CQ I signal.
- the number of bits of the Ack signal, the Nack signal, and the CQ I signal may be arbitrary.
- the cell bus 109 includes the transmission line I / F unit 108 and each of the A-DP CH signal processing blocks 106-1 to L 06- n and each HS DP A signal processing block 107-1 to 107- n as an ATM. (Asynchronous transfer mode) This is a bus for transmission by senor.
- the [[30? Signal processing unit 107 includes a plurality of HS DP A signal processing blocks 107-1 to 107-n] which are high-speed transmission channel signal processing means.
- the HSD PA signal processing block 107-1 to 107-n performs scheduling using signaling information input from the cell bus 109, and based on the scheduling, bucketed data of the HS-PD SCH and bucketed data of the HS-SCCH. Adaptively modulates the signal, and performs spread modulation with a spreading code, and outputs the result to the multiplexer 105.
- the configuration of the A signal processing block 107-1 to 107-n will be described with reference to FIG. 2 and FIG.
- A— DPCH signal processing block 106_1 Reception sector selection switch (SW) unit 201, AD PCH processing circuit 202-1 to 202-n, bus iZF unit 203, transmission sector selection switch unit 204, code multiplexing unit 205 and a signal multiplexing I / F unit 206.
- SW Reception sector selection switch
- the A-DPCH processing circuit 202-1 to 202-n includes a synchronization unit 207, a RAKE reception unit 208, a channel decoding unit 209, a signaling information determination unit 210, a channel encoding unit 211, a data modulation unit 212, and a spreading unit.
- the modulation unit 213 is mainly configured.
- a plurality of A-DPCH processing circuits 202-1 to 202-n are provided according to the number of users, and can be increased or decreased according to the number of users.
- Reception sector selection switch section 201 determines the assignment to the A-DPCH processing circuit 202-1 to 202-n for the reception signal of each sector input from multiplexing section 105, assigns the reception signal of each sector, respectively. Output to the processed A-DPCH processing circuit 202-1 to 202-n.
- the receiving sector selection switch unit 201 uses the connection indication signal or release indication signal of the HSDP A packet communication for each sector input from the control unit (not shown) to set the A-DPCH to the sector having a large number of users. A lot of processing circuits are allocated, and less A-DPCH processing circuits are allocated to sectors with a small number of users.
- the bus I / F unit 203 converts the received signal output from the channel decoding unit 209 into an ATM cell and outputs it to the transmission path I ZF unit 108 via the cell bus 109 and also outputs the signaling information output from the signaling information determination unit 210. It is converted into ATM cells and output to the cell bus 109.
- set VP I Virtual path identifier
- VCI Virtual cnnel identifier
- each A DPCH processing circuit 202_ 1 to 202 n and the corresponding HS DP A signal processing block 107 1 to 107 n is designating each A DPCH processing circuit 202_ 1 to 202 n and the corresponding HS DP A signal processing block 107 1 to 107 n as a destination Set at least in the ATM cell header.
- the individual data of each user input from the transmission path I / F unit 108 to the A-DPCH signal processing block 106-1 is output to the channel encoding unit 211. Data is transmitted and received between the control station apparatus, which is the upper apparatus, and the base station apparatus by ATM cell transmission.
- the transmission sector selection switch unit 204 distributes the transmission signal input from the spread modulation unit 213 to the code multiplexing unit 205 for each sector.
- transmission sector selection switch section 204 uses the HSDP A packet communication connection indication signal or release indication signal for each sector input from the control section (not shown), and the number of users is large. — Allocate more DPCH, and allocate less A— DP CH to sectors with fewer users.
- the connection instruction signal or the release instruction signal is a signal output from a control unit (not shown) that controls the entire base station based on an instruction from a control station (not shown) that is a higher station of the base station device. It is.
- the code multiplexing unit 205 multiplexes individual transmission signals of a plurality of users input from the transmission sector selection switch unit 204 and outputs the multiplexed signals to the signal multiplexing IZF unit 206.
- the code multiplexing unit 205 is provided in the same number as the number of sectors.
- the number of transmission signals to be multiplexed in the code multiplexing unit 205 is distributed by the transmission sector selection switch unit 204, so the code multiplexing units 205 differ in the number.
- the signal multiplexing I / F unit 206 outputs the transmission signal input from the code multiplexing unit 205 to the multiplexing unit 105.
- the synchronization unit 207 creates a delay profile for the received signal, selects a path to be demodulated by the RAKE reception unit 208, and outputs timing information for demodulating each path to the RAKE reception unit 208.
- RAKE receiving unit 208 demodulates received signals received as direct waves and delayed waves based on timing information for each path specified by synchronization unit 207 and RA KE combines them to obtain channel decoding unit 209 and signaling information determination unit Output to 210.
- the channel decoding unit 209 decodes the received signal input from the RAKE receiving unit 208 and outputs the decoded signal to the bus IZF unit 203.
- the signaling information determination unit 210 separates the signaling information from the received signal input from the RACK receiver 208 and outputs the separated signaling information to the bus I ZF unit 203.
- the channel encoding unit 211 encodes the transmission signal input from the bus IZF unit 203 and outputs the encoded transmission signal to the data modulation unit 212.
- the data modulation unit 212 performs modulation processing on the transmission signal input from the channel encoding unit 211, and outputs the result to the spread modulation unit 213.
- Spread modulation section 213 performs spreading processing on the transmission signal input from data modulation section 212 and outputs the result to transmission sector selection switching section 204.
- A-DPCH signal processing block 106-1 since A-DPCH is subjected to closed loop transmission power control by a transmission power control unit (not shown), one transmitter and one receiver related to A-DPCH are provided. A—provided in DPCH processing circuit 202-1 to 202-n.
- the configuration of the HSDPA signal processing block 107-1 to L 07-n will be described with reference to FIG.
- the configuration of the HSDP A signal processing block 107-1 to: L 07-n is the same as that of the spread modulation unit 306, the spread modulation unit 310, the data modulation unit 309, and the channel encode unit 308 except for different numbers. Therefore, only the configuration of one HS DP A signal processing block 107-1 will be described. Ru.
- the HS DP A signal processing block 107-1 includes a bus IZF unit 301, a MAC_h s unit 302, a channel encoding unit 303, a data modulation unit 304, a code division unit 305, a spread modulation unit 306, a code multiplexing unit 307, and a channel encoder. It mainly comprises a unit 308, a data modulation unit 309, a spread modulation unit 310, a sector selection switching unit 311, and a signal multiplexing I / F unit 312.
- the MAC_h s unit 302 mainly includes a scheduler 31 3 and an H-ARQ unit 314.
- the bus I / F unit 301 is outputted from the transmission data generation unit (not shown) via the transmission line I / F unit 08 and the cell bus 109 and is output from the bucket data and the signaling information determination unit 210 to be transmitted to the cell bus 109.
- the signaling information input via the is output to the scheduler 313.
- the channel encoding unit 303 codes the packet data input from the H-ARQ unit 314 based on the scheduling result of the scheduler 3 1 3 at a high coding rate for the user with a good communication environment. On the other hand, for users with poor communication environment, coding is performed at a low coding rate, and transmission signals encoded at the coding rate according to the communication environment of each transmission destination user are Output to modulator 304.
- the data modulation unit 304 converts the packet data input from the channel encoding unit 303 into a multi-level modulation method such as 16Q AM for a user with a good communication environment.
- modulation is performed using a modulation method such as QP SK, and a transmission signal modulated with the modulation method according to the communication environment of each transmission destination user is coded.
- Output to division section 305 is performed using a modulation method such as QP SK, and a transmission signal modulated with the modulation method according to the communication environment of each transmission destination user is coded.
- the code division unit 305 divides the packet data input from the data modulation unit 304 by the number of users, and outputs the divided packet data to the spread modulation unit 306.
- Spreading modulation section 306 pairs the bucketed data input from code division section 305 with Then, diffusion processing is performed and output to the code multiplexing unit 3 0 7. In this case, in each spreading modulation unit 306, the burst data is spread using different spreading codes.
- the channel encoding unit 3 0 3, the data modulation unit 3 0 4, the code division unit 3 0 5, and the spread modulation unit 3 0 6 are an HS-PDSCH for transmitting packet data transmitted from a control station apparatus (not shown).
- the transmission unit is configured.
- the code multiplexing unit 3 07 multiplexes a plurality of packet data inputted from the spread modulation unit 3 06 and a plurality of pieces of bucketed data inputted from the spread modulation unit 3 1 0 to the sector selection switch unit 3 1 1 Output.
- the channel encoding unit 3108 sign-codes the packet data input from the scheduler 3 1 3 and outputs it to the data modulation unit 3 0 9.
- the packet data encoded by the channel coder 3 0 8 is the code rate used by the channel coder 3 0 3 and the modulation method used by the data modulator 3 0 4. It is packet data for notifying information to each user.
- the data modulation unit 3 0 9 modulates the bucket data received from the channel encoding unit 3 0 8 and outputs the modulated data to the spread modulation unit 3 10.
- Spreading modulation unit 3 10 0 spreads the bucket data received from data modulation unit 3 0 9 and outputs the result to code multiplexing unit 3 0 7.
- channel encoders 3 0 8, data modulators 3 0 9 and diffusion modulators 3 10 0 are for each user the coding rate and modulation scheme used for coding and modulation of bucket data.
- the HS-SCCH transmitter is configured to notify.
- the sector selection switch unit 31 1 selects a sector for transmitting data input from the code multiplexing unit 3 0 7 based on a control signal from a control unit (not shown) that controls the entire base station, and performs signal multiplexing I / I.
- the signal multiplexing I / F unit 3 1 2 outputs the packet data input from the sector selection switch unit 3 1 1 to the multiplexing unit 1 0 5.
- Scheduler 3 1 3 receives the bucketed data input from bus I ZF section 3 0 1 and Scheduling is performed for users existing in the same sector to transmit, using the peering information.
- the scheduler 313 controls the code division unit 305, the data modulation unit 304, and the channel encoding unit 303 based on the result of scheduling.
- the ARQ unit 314 detects the error from the received data after error detection and decoding. As a result, if an error is detected, bucket data including a retransmission request signal for requesting retransmission of the received data having an error is received. generated, and outputs to the channel encoding section 303.
- a method of mounting the A-DPCH signal processing block 106-1 :: LO 6-n and the HSDP A signal processing block 107-1 to 107-n on the base station apparatus will be described using FIG. .
- a One DP CH signal processing block 106-1 to 106-n performs processing for one carrier and is configured to perform A_D PC H transmission / reception for 32 channels per carrier
- a One DP CH signal processing block 106-1 to 106-n is provided with 32 channels of A-DP CH. That is, 32 A-DPCH signal processing blocks 106-1 to 1-06-n A-DPCH processing circuits 202-1 to 202-n are provided.
- the HS-PDSCH transmission unit (channel encoding unit 303 to spread modulation unit 306) of up to 107_n has a maximum of 15 codes
- the HS-SCCH transmission unit (channel encoding unit 308 to spread modulation unit 310) has a maximum of 4 codes.
- one per carrier in one sector up to 15 codes can not share one MAC- hs unit 30 2 of a plurality of radio units 110. If one sector limits HS-PD SCH per carrier to a maximum of 5 codes, the processing volume per sector drops to about 1/3 and multiple sectors, ie multiple radio units 110 It can be divided and shared.
- the configuration per sector of the wireless device 100 may be one HSDPA signal processing block 1 07-1 to: L 07- n and two A-DP CH signal processing blocks 106_1 to 106-11 become.
- the HSDPA signal processing block 107-1 to: L 07-n is the number obtained by multiplying the number of sectors of the base station apparatus by the number of carriers introducing the HSDPA communication in the radio apparatus 100 regardless of the number of users. It would be nice. From this, each base station apparatus has the same number of HSD PA signal processing blocks as the number of carriers introducing HSDPA communication and the number of HS-PD SCH maximum codes per sector for one sector.
- the A-DPCH provided in the A-DPCH signal processing block 106-1 to 106-n may have a channel number other than 32 channels.
- the hardware configuration of _n is the same, and it is possible to switch which signal processor to use as necessary. According to this method, for example, if the number of HSDPA introduction carriers is reduced at the time of initial introduction, and if the number of introduction carriers is expanded later to expand the number of users, the A-DP CH signal Since the allocation ratio to the processing unit and the HSDPA signal processing unit can be freely set, it is possible to cope flexibly.
- the reception signal received by the antenna 101 is output from the multiplexing unit 105 to the A-DPCH signal processing blocks 106-1 to 106_n.
- the received signal input to n is input to the receiving sector selection switch unit 201 and transmitted
- the received signal from the sector in which the original user is present is output to the A-DPCH processing circuit 2 0 2 1 2 0 2-n RAK E receiving unit 2 0 8 and the synchronization unit 2 0 7.
- the received signal input to the R AK E receiver 2 0 8 is R AK E combined based on the synchronization signal of the synchronizer 2 0 7, and output to the channel decoder 2 0 9 and the signaling information determiner 2 10. Ru.
- the received signal input to the channel decoding unit 2 0 9 is decoded to obtain received data. Also, signaling information is generated from the received signal input to the signaling information determination unit 2 1 0, and the generated signaling information is output to the bus I / F unit 2 0 3 and further output to the cell bus 1 0 9
- the HSDPA signal processing block 1 0 7-1 to ⁇ 0 7-n is input to the bus I / F unit 3 0 1 via the cell bus 1 0 9.
- the signaling information input to the bus I Z F unit 301 is input to the scheduler 3 1 3.
- the scheduler 3 1 3 performs scheduling based on the input signaling information.
- the packet data input from the transmission data generation unit (not shown) to the scheduler 3 1 3 via the transmission line I ZF 1 08, the cell bus 1 0 9 and the bus I ZF 3 0 1 Output to 3 1 4 Then, if an error is detected in the received data, the H-AR Q unit 314 generates packet data including the retransmission request signal, and packet data including the retransmission request signal is stored in the channel code portion 3 0 3
- the data is encoded at the coding rate according to the user's communication environment, and further modulated by the data modulation unit 304 according to the modulation scheme corresponding to the user's communication environment.
- the packet data input to the code division unit 305 is subjected to spreading processing with a spreading code different for each physical channel in the spreading modulation unit 306, multiplexed in the code multiplexing unit 307, and It is output to the selection switch part 3 1 1.
- the data output to the sector selection switch section 3 1 1 is sent to the signal multiplex I section F section 3 1 2 so that it is transmitted to the designated sector based on the instruction of the control signal input from the control section (not shown). It is output and output to multiplexer 1 0 5.
- the transmission signal input to bus I ZF section 2 0 3 via 1 0 9 is encoded by channel encoder section 2 1 1, modulated by data modulation section 2 1 2, and spread modulation section 2 1 At 3, the signal is subjected to spreading processing using a spreading code and output to the transmission sector selection switch section 204.
- the transmission signal input to the transmission sector selection switching section 204 is a code corresponding to a sector with a large number of users.
- a large number of transmission signals are output to multiplexing section 205, and a small number of transmission signals are output to code multiplexing section 205 corresponding to a sector with a small number of users.
- the transmission signal output to the code multiplexing unit 2 0 5 is multiplexed, output to the signal multiplexing I ZF unit 2 0 6, and output to the multiplexing unit 1 0 5 and the HSDPA signal processing block 1 0 7 -1 to 1 0 7 1 n is multiplexed with the bucketed data output from n, and output from multiplexing section 1 0 5 to wireless transmission section 1 0 4.
- the transmission signal multiplexed by the multiplexer 105 is the transmission destination of the transmission signal multiplexed by the multiplexer 105. It is switched to the wireless transmission unit 104 corresponding to the existing sector and output. Then, the multiplexed transmission signal is transmitted from the wireless transmission unit 104 through the duplexer 102 to the user of the corresponding sector of the transmission destination from the antenna 101.
- each user performs the operation of the transmission sector selection switch section 204 and the reception sector selection switch section 201 when the user performs HSDPA communication and the sector selection switch for the maximum packet transmission rate of each sector.
- the operation of part 3 1 1 will be described.
- the transmission sector selection switching unit 2 0 4 and the reception sector selection switching unit 2 0 1 are each configured to generate an A-DPCH for the sector each time a connection indication signal or release indication signal for each sector from the control unit (not shown) is generated.
- the sector selection switch unit 31 1 has a high maximum burst transmission speed for each sector instructed by the control unit (not shown), and the HS DP A signal processing block 107-1 to; If the resource for CH transmission is used up, packet data is output to any one sector.
- the maximum bucket transfer rate of each sector specified by the control unit (not shown) is low, and the HS DP A signal processing block 1 07-1 to; L 07- n has a resource for HS-PD SCH transmission. If there is room, distribute packet data to multiple sectors.
- the transmission sector selection switch unit 204 and the sector reception selection switch unit 201 receive a connection instruction signal or a release instruction signal for each sector from a control unit (not shown). Distribute transmission signals according to the number of users for each sector.
- the A-D PCH processing circuit which is empty after allocating the A-DPCH processing circuit 202-1 to 202-n for HSDPA communication, provides services other than HS DP A communication (voice communication system DP It can also be used for packet communication using a CH, TV telephone, etc.).
- the A-DPCH signal processing block 106 one; ⁇ 106-n and HSDP A signal processing block 107-1-: L 07-n are separately configured, and increase or decrease of the number of users is limited to increase or decrease of A-DP CH signal processing block 106-1 to 106-n. Therefore, it can respond flexibly according to the number of users.
- the initial introduction cost can be reduced by providing the necessary A-DPCH signal processing block 106-1 to 106-n.
- A—DPCH processing circuit 202 — 1 — 202 — n by decreasing the number of users according to the number of users. It is possible to cope with the increase and decrease of the number of users inexpensively by a simple method etc.
- FIG. 4 is a diagram showing the configuration of a radio apparatus 400 according to this embodiment
- FIG. 5 is a diagram showing the configuration of A-DPCH signal processing block 401
- FIG. 6 is a diagram of HSD PA signal processing block 402.
- the A-D PCH signal processing block 401 integrates and outputs a plurality of pieces of signaling information separated from the reception signal of each A-DPCH.
- the configuration in which the signaling information transmission unit 501 is provided in FIG. 5 is different from the configuration in FIG. 2, and the configuration in which the signaling information reception unit 601 is provided in FIG. 6 is different from the configuration in FIG.
- the same reference numerals are given to parts having the same configuration as in FIG. 1, FIG. 2 and FIG. 3, and the description thereof is omitted. Further, in FIG. 2, the internal configuration of the A-DPCH processing circuit 202-1 to 202-n is omitted.
- the signaling information transmission unit 501 integrates the signaling information input from the signaling information determination unit 210 into one to generate integrated signaling information, and outputs the generated integrated signaling information to the bus I ZF unit 203.
- the ATM adaptation layer (AAL) tye 2 protocol can be used as a specific example for integrating signaling information into one in the signaling information transmission unit 501.
- each signaling information is CPS (Common Part Sub-layer) packetized, then multiplexed and output to the bus IZF unit 203.
- CPS bucketing in order to identify which A—the DPCH processing circuit is the signaling information, at least the CPID processing circuit and the corresponding CID (Channel ID) etc. Make settings so that CID can be used to determine which user is the signaling information from.
- each user The condition is to multiplex so that the delay amount of the received signal can be reduced.
- the signaling information reception unit 601 outputs the integrated scheduling information input from the bus IZF unit 301 to the scheduler 313.
- Signaling information of each user which is output from the signaling information determining unit 210 are integrated into one at Signaling information transmitting unit 5 01, bus I / F section 2 03, Den sending passage I / F unit 108, a bus
- the signal is input to the signaling information reception unit 601 via the I / F unit 301.
- the integrated signaling information is transmitted from the A-DP CH signal processing block 401-1 to 40- 1-n to the HSDP A signal processing block 402 1 to 402-n, the transmission of the signaling information makes it possible to transmit other signaling information. Transmission of control data etc. is not restricted, and other control data etc. can be transmitted smoothly.
- FIG. 7 is a diagram showing the configuration of the A-DPCH signal processing block 401 according to the present embodiment
- FIG. 8 is a diagram showing the configuration of the HSDPA signal processing block 402.
- the transmission power of the signal processed in the HS DPA signal processing unit is determined from the transmission power of the signal processed in the A-DPCH signal processing unit and the maximum transmission power and power that can be transmitted by the wireless device. It is something to do.
- transmission power measurement unit 701 and power information multiplexing unit 702 are provided.
- the configuration in FIG. 8 is different from that in FIG. 5, and the configuration in FIG. 8 including the information selection unit 801, the addition unit 802, and the transmission power control unit 803 is different from the configuration in FIG.
- the same reference numerals are given to parts having the same configuration as those in FIGS. 5 and 6, and the description thereof will be omitted.
- the transmission power measurement unit 701 measures the transmission power of the transmission signal for each sector.
- the vacant A-DP CH processing circuit 202-1 to 202-n should also be used for services other than HS DP A communication.
- the A-DPCH processing circuit 202-1 to 202-n can also perform processing for channels other than A-DPCH; such as PCH. Therefore, when processing for all channels other than HS-SCCH and HS-PDSCH related to HSDPA communication is performed using the A-DPCH signal processing block, transmission power measurement section 701 includes all common channels. The transmission power of each channel is to be measured for each sector.
- the power information multiplexing unit 702 multiplexes the transmission power information for each sector measured by the transmission power measurement unit 701, and outputs the obtained transmission power information to the signaling information transmission unit 501.
- the information selection unit 801 selects the transmission power corresponding to the sector for which the HSDPA signal processing block 402-1 is in charge of transmission power among the transmission power information included in the integrated signaling information input to the bus I / F unit 301. In addition, in order to select the transmission power to the sector corresponding to the HSDPA signal processing block 402-1 to 402-n to which the information selection unit 801 belongs, the information selection unit 801 shown in FIG. Select transmit power to the sector corresponding to block 402-1.
- the addition unit 802 transmits the transmission power indicated by the transmission power information selected by the information selection unit 801 to the A-DP CH signal processing block 106-1 to: LO 6-n respectively.
- the addition unit 802 measures the transmission power measured in each of the A-DPCH signal processing blocks 106-1 to 1 06-n for the sector corresponding to the HSDPA signal processing block 402-1 to 402-n to which it belongs. to add.
- the transmission power control unit 803 determines the transmission power of the HS-SCCH and the HS-PDSCH by subtracting the addition result by the addition unit 802 from the maximum transmission power that the wireless device 400 can transmit. As a result, the transmission signals of H S -S C CH and H S-P D S C H are transmitted using the maximum transmission power that can be transmitted by the wireless device 400.
- transmission signals for each sector are code-multiplexed by the code multiplexing unit 205
- the transmission power is measured by the transmission power measurement unit 701.
- Information of the measured transmission power is multiplexed by the power information multiplexing unit 702 and output to the signaling information transmission unit 501.
- the transmit power information obtained by multiplexing at this time includes the transmit power information on all sectors.
- the signaling information of each user output from the A-DPCH processing circuit 202-1 to 202-n is integrated into one by the signaling information transmission unit 501, and the transmission power output from the power information multiplexing unit 702.
- the information is input to the bus IZF unit 301 via the bus IZF unit 203 and the transmission path I / F unit 108 together with the information.
- Each of the HSDPA signal processing blocks 402 to 401-n measures the transmission power of each sector and transmits the transmission power information to all the HSDPA signal processing blocks 402-1 to 402-n.
- Transmission power information corresponding to the A-DPCH signal processing block 401-1 to 401-n is input to the bus I / F unit 301 of 1 to 402-n.
- the information selection unit 801 selects the transmission power of the sector corresponding to the HSDPA signal processing protocol 402-1 to 402-n to which the information owning unit belongs. Send Since the selection of power is performed on the transmission power information transmitted from each of the A-DP CH signal processing blocks 401-1 to 40 1-n, n transmission powers are selected for each sector. The selected n transmission powers are added by the adder 802. As a result, the total transmission power of channels other than HS-SCCH and HS-PD SCH in each sector is calculated.
- the transmission power of the HS-SCCH and HS-PDS CH is calculated by the transmission power control unit 803 by subtracting the addition result of the addition unit 802 from the maximum transmission power that the wireless device 400 can transmit.
- the calculated transmission powers of HS-SCCH and HS-PDSCH are set in a transmission power control unit (not shown), and the transmission powers of HS-SCCH and HS-PDSCH to each sector are controlled.
- the individual channels and the common channels in each of the A-DP CH signal processing blocks 401-1 to 401-n.
- the transmission power of the channel is measured for each sector, and the transmission power of the HS-SCCH and HS-PDS CH is determined by subtracting the transmission power of the individual channel and the common channel from the maximum transmission power that the wireless device 400 can transmit.
- the function of the wireless device can be maximized, and the reception characteristics of the HS-SCCH and HS-PDSCH signals can be improved.
- each A-DPCH signal processing block, and each H SDP A signal processing block are configured to use a data transfer
- a senor bus is used.
- the present invention is not limited to this, as long as it is possible to perform many-to-one communication, for example, using 100 Base-One TX, and high-speed data transmission can be performed between the above-described respective components.
- the present invention can be applied to wireless communication that performs high-speed packet transmission on the downlink: wireless devices and base station devices that are used.
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Abstract
Description
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Priority Applications (6)
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US10/485,957 US7248606B2 (en) | 2002-07-29 | 2003-07-14 | Radio apparatus and base station apparatus |
EP20030771264 EP1526670B1 (en) | 2002-07-29 | 2003-07-14 | Radio device |
CN038123320A CN1656720B (zh) | 2002-07-29 | 2003-07-14 | 无线电装置和基站装置 |
KR20047019180A KR100679799B1 (ko) | 2002-07-29 | 2003-07-14 | 무선 장치, 기지국 장치 및 송신 방법 |
AU2003248063A AU2003248063A1 (en) | 2002-07-29 | 2003-07-14 | Radio device and base station device |
JP2004524109A JP4291774B2 (ja) | 2002-07-29 | 2003-07-14 | 無線装置及び基地局装置 |
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JP2002220318 | 2002-07-29 | ||
JP2002-220318 | 2002-07-29 |
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PCT/JP2003/008883 WO2004012370A1 (ja) | 2002-07-29 | 2003-07-14 | 無線装置及び基地局装置 |
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US (1) | US7248606B2 (ja) |
EP (1) | EP1526670B1 (ja) |
JP (1) | JP4291774B2 (ja) |
KR (1) | KR100679799B1 (ja) |
CN (1) | CN1656720B (ja) |
AU (1) | AU2003248063A1 (ja) |
WO (1) | WO2004012370A1 (ja) |
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KR100694593B1 (ko) | 2003-02-10 | 2007-03-13 | 닛본 덴끼 가부시끼가이샤 | 이동 통신 시스템, 기지국, 무선 네트워크 제어장치 및그에 사용되는 자원 할당 제어 방법 |
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Also Published As
Publication number | Publication date |
---|---|
KR20050000432A (ko) | 2005-01-03 |
EP1526670B1 (en) | 2012-02-08 |
CN1656720A (zh) | 2005-08-17 |
CN1656720B (zh) | 2010-12-08 |
KR100679799B1 (ko) | 2007-02-06 |
US20040235501A1 (en) | 2004-11-25 |
EP1526670A4 (en) | 2011-01-26 |
US7248606B2 (en) | 2007-07-24 |
JP4291774B2 (ja) | 2009-07-08 |
JPWO2004012370A1 (ja) | 2005-11-24 |
EP1526670A1 (en) | 2005-04-27 |
AU2003248063A1 (en) | 2004-02-16 |
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