CN101414876A - Method and apparatus for sending and receiving TDD down data - Google Patents
Method and apparatus for sending and receiving TDD down data Download PDFInfo
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Abstract
The invention discloses a method and a device for transmitting and receiving time division duplex downstream data in the communications field, wherein, the transmission method includes the steps: control information is generated and transmitted to a terminal and is used for indicating a source which occupies an HSDPA signal channel at the first downward time slot of a subsequent subframe to send data; and the source which occupies the HSDPA signal channel at the first downward time slot of the subsequent subframe sends the data. The invention realizes the purpose of transmitting the S-CCPCH signal channel source to the HSDPA signal channel, reducing the load of the HSDPA signal channel and balancing the loads of the S-CCPCH signal channel and the HSDPA signal channel.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of sending, receiving method and device of TDD down data.
Background technology
The tradition common down channel has forward access channel (FACH, Forward Access Channel) and paging channel (PCH, Paging Channel) etc., FACH is used for bearer network inserts request at random to the user response message, the small number of users exclusive data also can be carried on the FACH channel, such as short message service; Traditional PCH channel can only bearing call control channel (PCCH, Paging Control Channel) data, common down channel FACH and PCH shine upon together and are multiplexed on the Secondary Common Control Physical Channel (S-CCPCH, Secondary Common Control Physical Channel).
For making full use of time division duplex (TDD, Time Division Duplex) code channel resource of system, first descending time slot in subframe is to utilize S-CCPCH to send downlink data on the time slot TS0 generally speaking, usually S-CCPCH indicates physical channel (PICH with paging again, Paging Indicator Channel) time division multiplexing is on identical physical code channel resource, when the S-CCPCH Typical Disposition is the code channel of 2 SF=16, Transmission Time Interval (the TTI of FACH and PCH, Transmitting Time Interval) be 20ms, in each TTI, maximum PCH transmission blocks that the FACH transmission block of one 171 bit arranged respectively or one 80 bit is arranged, the transmission rate of FACH transmission block is equivalent to: 171bit/20ms=8.55kbps, and the transmission rate of PCH transmission block only is: 80bit/20ms=4kbps.Generally speaking, user finishes and intactly inserts or paging needs continuous a plurality of TTI could pass institute's carrier signaling, causes access delay bigger, and under the many situations of the access user of system, the time delay of FACH and PCH will be more obvious.
In order to satisfy growing demand to the HRPD (high rate packet data) access service, 3GPP Re15 has introduced high speed downlink packet access (HSDPA, HighSpeed Downlink Packages Access) technology, downlink data can obtain higher user's peak rate and cell data throughput and reduce data transmission delay by the HSDPA channel bearing.
Based on the introducing of HSDPA technology, the channel of corresponding introducing is as follows:
Transmission channel: high speed descending sharing channel (HS-DSCH, High Speed Downlink SharedChannel), be used for bearing downlink HSDPA data, be mapped on the high speed down sharing physical channel (HS-PDSCH, High Speed Physical Downlink Shared Channel).A plurality of subscriber equipment (UE, User Equipment) shares this channel by time division multiplexing and code division multiplexing, adopt link adaptation techniques, always be attended by a DPCH (DPCH, Dedicated Physical Channel) and one or more downlink high-speed shared control channel (HS-SCCH, Shared Control ChannelforHS-DSCH).
Physical channel: high speed down sharing physical channel (HS-PDSCH, High Speed PhysicalDownlink Shared Channel), downlink high-speed shared control channel (HS-SCCH, Shared ControlChannel for HS-DSCH), high-speed shared indication channel (HS-SICH, Shared InformationChannel)
Wherein, the HS-SCCH channel is a HSDPA descending scheduling control channel, takies the code channel of two descending SF=16, adopts fixedly QPSK modulation system.Being used to carry the scheduling control information of HS-DSCH, to the HS-DSCH of each TTI, is that UE carries the relevant descending scheduling control information of HS-DSCH by HS-SCCH all.The HS-SCCH loaded information has: (TFRI, information are indicated HS-DSCH transformat subsequently to transmission format resource combination, comprise the time-slot code channel information of HS-DSCH, the TBS information of modulation system and transmission block; HARQ information comprises the HARQ process number, redundancy versions, new data indication and the HCSN sequence that is used for the HS-SCCH channel quality estimation; The user ID sign is used to distinguish the different UEs on the shared channel; HS-SCCH also carries the command word information TPC/SS of uplink synchronous and power control in addition.The channel architecture of HS-SCCH such as following table in the existing protocol.
The information of HSDPA HS-SCCH channel bearing in table 1 existing protocol
HS-SICH is the ascending control channel of HSDPA, takies the code channel of a up SF=16, adopts fixedly QPSK modulation system.Be used for the data block that receives on the HS-DSCH channel is replied (ACK/NACK), and the quality information CQI of feeding back downlink link helps base station scheduling better, in addition the HS-SICH TPC command word of carries downlink also.
As shown in Figure 1, control procedure schematic diagram for HSDPA channel timing relationship and HS-SCCH, downlink data arrives after the NodeB scheduling, send the descending scheduling control information at the HS-SCCH channel earlier, indicate the HSDPA data of follow-up which UE of HS-DSCH, UE understands HS-SCCH channel and the correct transmission block that receives, and utilizes corresponding HS-SICH channel feedback ACK/NACK and CQI information.
Little for solving the common down channel capacity, the problem that time delay is big strengthens FACH and PCH in Frequency Division Duplexing (FDD) (FDD, the FrequencyDivision Duplex) system, and basic ideas are as follows:
Whether support FACH and PCH to strengthen by this sub-district of system message broadcasting indication, promptly whether support originally to be mapped to the data of FACH and PCH then be mapped to HS-DSCH, system message broadcasting strengthens the relevant parameter configuration information of FACH and PCH, comprise and strengthen the relevant HS-SCCH that FACH and PCH relate to, HS-DSCH channel configuration information and the public H-RNTI that is used to strengthen FACH and PCH addressing;
Terminal receiving system message is also obtained FACH and the relevant HS-DSCH parameter configuration of PCH enhancing, terminal is selected to monitor traditional FACH and PCH channel or is monitored FACH and the PCH channel that strengthens according to self-ability, if FACH that the user terminal support strengthens and PCH receive, then user terminal is monitored the public H-RNTI on the HS-SCCH;
When UE detected correct public H-RNTI on the HS-SCCH channel, UE forwarded corresponding HS-DSCH to according to timing relationship and goes up the data that receive former FACH of being mapped to and PCH;
If UE has set up the RRC connection and obtained C-RNTI and dedicated H-RNTI, UE uses dedicated H-RNTI to monitor the HS-SCCH channel so.
The common down channel of TDD strengthens, data map that also can be by will being mapped to FACH and PCH channel is to sub-district HS-DSCH channel, promptly strengthen by FACH of Technique on T DD system such as the high order modulation used on the HS-DSCH channel and PCH channel, the basic thought of its basic thought and FDD system descending Common Control Channel enhanced scheme is similar.Yet, the data map that simply will be mapped to FACH and PCH channel is to sub-district HS-DSCH channel, along with supporting FACH and PCH to strengthen increasing of user in the system, the number of users that traditional F ACH and PCH need support is fewer and feweri, load will alleviate, the user that correspondingly more and more supports strengthen FACH and PCH receives data by the HSDPA channel, be equivalent to former FACH and PCH channel load are transferred to sub-district HSDPA channel, the overload on the HSDPA channel be can cause, and then HSDPA throughput of system and QoS influenced.Be to solve the load balancing problem, the FDD system is by reaching load balancing for the mode of sub-district HSDPA resource the power transfer of the physical channel S-CCPCH of FACH and PCH mapping.And what be different from the FDD system is that the S-CCPCH of TDD system is configured on the different time slots with HSDPA, can't reach load balancing by the mode of power transfer.The TDD system descending data that therefore need provide load balancing send the scheme of accepting.
Summary of the invention
The invention provides the sending, receiving method of TDD system descending data, with the load unbalanced problem of S-CCPCH channel and HSDPA interchannel under the solution TDD system.
The invention provides a kind of TDD down data sending method, comprise step:
Generate control information and transmit to terminal, described control information is used to indicate and will takies the high-speed downlink packet access channel resource at first descending time slot of subsequent subframe and send data;
First descending time slot in subsequent subframe takies high-speed downlink packet access channel resource transmission data.
Described control information adopts at least a mode to carry:
Based on the former bit carrying in the downlink high-speed shared control channel structure; Or
Based on bit carrying newly-increased in the downlink high-speed shared control channel structure; Or
Based on amended bit carrying in the downlink high-speed shared control channel structure; Or
Carry based on high-level signaling.
Described high-speed downlink packet access channel resource comprises:
The downlink high-speed shared control channel resource; Or
The high speed down sharing physical channel resource; Or
Downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
Described high-speed downlink packet access channel resource and Secondary Common Control Physical Channel resource are shared at first descending time slot of subsequent subframe.
Described high-speed downlink packet access channel resource and Secondary Common Control Physical Channel resource take separately independently resource respectively.
The invention provides a kind of dispensing device of TDD down data, comprising:
The control information generation unit is used to generate indication and will utilizes the high-speed downlink packet access channel resource to send the control information of data at first descending time slot of subsequent subframe;
The control information transmitting element is used for the control information that the control information generation unit generates is sent to terminal;
Data transmission unit is used for taking high-speed downlink packet access channel resource transmission data at first descending time slot of subsequent subframe.
Described control information generation unit specifically comprises:
The scheduling of resource subelement is used for the high-speed downlink packet access channel resource is dispatched at first descending time slot of subframe;
Control information generates subelement, is used for the scheduling based on the scheduling of resource subelement, generates indication and will utilize the high-speed downlink packet access channel resource to send the control information of data at the TS0 of subsequent subframe.
The invention provides a kind of method of reseptance of TDD down data, comprise step:
The control information that end-on is received is resolved, the indication information of putting down in writing in the controlled information that receives data on the high-speed downlink packet access channel resource of first descending time slot of subsequent subframe;
On the high-speed downlink packet access channel resource of first descending time slot of subsequent subframe, receive data as indicated.
The described control information that terminal receives adopts following at least a mode to carry:
Based on the former bit carrying in the downlink high-speed shared control channel structure; Or
Based on bit carrying newly-increased in the downlink high-speed shared control channel structure; Or
Based on amended bit carrying in the downlink high-speed shared control channel structure; Or
Carry based on high-level signaling.
Described high-speed downlink packet access channel resource comprises:
The downlink high-speed shared control channel resource; Or
The high speed down sharing physical channel resource; Or
Downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
The invention provides a kind of receiving system of TDD down data, comprising:
Control information receives resolution unit, is used for receiving control information, and the TS0 that parses in subsequent subframe receives the indication by high-speed downlink packet access channel data that resource is carried;
The Data Receiving unit is used for the indication that parses according to the control information resolution unit, receives the data that high-speed downlink packet access channel resource transmits at first descending time slot of subsequent subframe.
Described control information receives resolution unit and specifically comprises:
Control information receives subelement, is used for receiving control information;
Subelement is resolved in control information, is used for receiving control information that subelement receives based on control information and parses first descending time slot in subsequent subframe and receive indication by high-speed downlink packet access channel data that resource is carried.
Beneficial effect of the present invention: the present invention is that TS0 takies HSDPA channel resource transmission downlink data by first descending time slot in subframe, when will be originally being transferred to the HSDPA channel by the data of S-CCPCH channel bearing, realized the S-CCPCH channel resource is transferred to the HSDPA channel, alleviate the HSDPA channel load, made the load of S-CCPCH channel and HSDPA channel reach balanced.
Description of drawings
Fig. 1 is the control procedure schematic diagram of prior art HSDPA channel timing relationship and HS-SCCH;
Fig. 2 is the sending method flow chart of a kind of downlink data provided by the invention;
Fig. 3 is the dispensing device structure chart of a kind of downlink data provided by the invention;
Fig. 4 is the method for reseptance flow chart of a kind of downlink data provided by the invention;
Fig. 5 is the receiving system structure chart of a kind of downlink data provided by the invention.
Embodiment
The present invention is that TS0 takies HSDPA channel resource transmission downlink data by first descending time slot in subframe, when will be originally being transferred to the HSDPA channel by the data of S-CCPCH channel bearing, realized the S-CCPCH channel resource is transferred to the HSDPA channel, thereby alleviated the HSDPA channel load, made the load of S-CCPCH channel and HSDPA channel reach balanced.
As shown in Figure 2, the sending method flow chart for a kind of TDD down data provided by the invention comprises step:
S110: generate control information and transmit to terminal, described control information is used to indicate and will utilizes the high-speed downlink packet access channel resource to send data at the TS0 of subsequent subframe;
Wherein, control information is based on generating the scheduling of HSDPA channel resource, has following several in the mode of the TS0 of subframe scheduling HSDPA channel resource:
Mode one: HSDPA channel resource and S-CCPCH resource are shared at the TS0 of subframe, and detecting decision current shared resource by the base station still is the S-CCPCH resource as the HSDPA channel resource.When base station decision current shared resource is used as the HSDPA channel resource, then generates the control information indication and utilize this HSDPA channel resource to send data at the TS0 of follow-up subframe.This mode can realize the transfer of the channel resource of S-CCPCH to the HSDPA channel by shared resource;
Mode two: make HSDPA channel resource and S-CCPCH resource take separately independently resource respectively.This kind mode specifically is divided into again:
Make HSDPA channel resource and S-CCPCH resource utilize resource separately to send data at the TS0 of subframe respectively, two kinds of resources are not shared;
The S-CCPCH that takies TS0 time-slot code channel resource generally speaking is assigned on the time slot TS0 time-slot code channel in addition, will originally takies TS0 time-slot code channel resource allocation HSDPA channel by S-CCPCH.This mode has realized the transfer of the channel resource of S-CCPCH to the HSDPA channel by changing efficient higher H SDPA channel resource with the lower S-CCPCH resource of efficient.
Wherein, at least a mode is carried below the control information that terminal transmits is adopted: based on the former bit carrying in the downlink high-speed shared control channel structure, perhaps based on bit carrying newly-increased in the downlink high-speed shared control channel structure, perhaps, perhaps carry based on high-level signaling based on amended bit carrying in the downlink high-speed shared control channel structure.Such as can being that 0 indication will take the HSDPA channel resource at the TS0 of subsequent subframe and send data entirely with TFRI time slot bit mapped bits in the HS-SCCH channel architecture, can also will take the HSDPA channel resource at the TS0 of subsequent subframe with 1 bit indication that increase newly in the HS-SCCH channel architecture or amended and send data, can also be in the high-level signaling indication, under the situation of descending time slot position of conversion point after time slot TS2, will take the HSDPA channel resource at the TS0 of subsequent subframe with the information bit indication that originally identifies time slot TS2 in the TFRI time slot bit mapped bits in the HS-SCCH channel architecture and send data; The code channel resource information that can take at the TS0 of subsequent subframe with the StartCode in the HS-SCCH channel architecture and StopCode indication HSDPA channel resource, the also code channel resource information that can indicate the HSDPA channel resource to take with n bit that increase newly in the HS-SCCH channel architecture or amended at the TS0 of subsequent subframe, the code channel resource information that can also take at the TS0 of subsequent subframe by high-level signaling carrying indication HSDPA channel resource.
In addition, described downlink packet access channel resource is: downlink high-speed shared control channel resource, perhaps high speed down sharing physical channel resource, perhaps downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
S120: first descending time slot in subsequent subframe takies high-speed downlink packet access channel resource transmission data.
As shown in Figure 3, the dispensing device structure chart for a kind of TDD down data provided by the invention comprises:
Control information generation unit 110 is used to generate indication and will utilizes the high-speed downlink packet access channel resource to send the control information of data at the TS0 of subsequent subframe;
Control information transmitting element 120 is used for the control information that control information generation unit 110 generates is sent to terminal;
Data transmission unit 130 is used for taking high-speed downlink packet access channel resource transmission data at first descending time slot of subsequent subframe.
Wherein, control information generation unit 110 bodies comprise:
Scheduling of resource subelement 1101 is used for the high-speed downlink packet access channel resource is dispatched at first descending time slot of subframe;
Control information generates subelement 1102, is used for the scheduling based on scheduling of resource subelement 1101, generates indication and will utilize the high-speed downlink packet access channel resource to send the control information of data at the TS0 of subsequent subframe.
As shown in Figure 4, be a kind of load balancing method of reseptance flow chart that strengthens based on the TDD down common signal channel provided by the invention, comprise step:
S210: the control information that terminal parses receives, the TS0 that draws in subsequent subframe receives the indication information by high-speed downlink packet access channel data that resource is carried; Wherein, the control information that terminal receives adopts at least a mode to carry: based on the former bit carrying in the downlink high-speed shared control channel structure, perhaps based on bit carrying newly-increased in the downlink high-speed shared control channel structure, perhaps, perhaps carry based on high-level signaling based on amended bit carrying in the downlink high-speed shared control channel structure.Such as: if TFRI time slot bit mapped bits is 0 entirely in the HS-SCCH channel architecture, then terminal parses goes out the indication that receives data on the HSDPA channel resource of the TS0 of subsequent subframe, if 1 bit that increase newly in the HS-SCCH channel architecture or amended is 1 (or being 0), then terminal parses goes out to indicate to take at the TS0 of subsequent subframe HSDPA channel resource transmission data, if in the high-level signaling indication, under the situation of descending time slot position of conversion point after time slot TS2, the information bit that originally identifies time slot TS2 in the HS-SCCH channel architecture in the TFRI time slot bit mapped bits is 1 (or being 0), and then terminal parses goes out to indicate to take at the TS0 of subsequent subframe HSDPA channel resource transmission data; Start Code from the HS-SCCH channel architecture and Stop Code parse the code channel resource information that the HSDPA channel resource takies at the TS0 of subsequent subframe for another example, n bit that perhaps increase newly from the HS-SCCH channel architecture or amended parses the code channel resource information that the HSDPA channel resource takies at the TS0 of subsequent subframe, and perhaps the TS0 that parses in subsequent subframe from high-level signaling receives the concrete code channel by high-speed downlink packet access channel data that resource is carried.
S220: first descending time slot in subsequent subframe receives the data that the high-speed downlink packet access channel resource transmits as indicated;
As shown in Figure 5, the receiving system structure chart for a kind of TDD down data provided by the invention comprises:
Control information receives resolution unit 210, is used to resolve the control information of reception, and the TS0 that draws in subsequent subframe receives the Indication message by high-speed downlink packet access channel data that resource is carried;
Wherein, control information reception resolution unit 210 specifically comprises:
Control information receives subelement 2101, is used for receiving control information;
With regard to a kind of TDD down data sending method provided by the invention and method of reseptance, be elaborated below with embodiment.
Embodiment one,
Utilize a kind of TDD down data sending method provided by the invention, the step that sends data comprises:
S1100:HSDPA channel resource and S-CCPCH resource are shared at the TS0 of subframe, detecting decision current shared resource by the base station still is the S-CCPCH resource as the HSDPA channel resource, when base station decision current shared resource is used as the HSDPA channel resource, then generate the control information indication and utilize this HSDPA channel resource to send data, and the control information that generates is sent to terminal at the TS0 of follow-up subframe.Wherein, it is that 0 indication will take the HSDPA channel resource at the TS0 of subsequent subframe and send data entirely that described control information utilizes in the HS-SCCH channel architecture TFRI time slot bit mapped bits, the code channel resource information of utilizing Start Code in the HS-SCCH channel architecture and Stop Code indication HSDPA channel resource to take at the TS0 of subsequent subframe.In addition, described HSDPA channel resource is: downlink high-speed shared control channel resource, perhaps high speed down sharing physical channel resource, perhaps downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
S1200: take the HSDPA channel resource at the TS0 of subsequent subframe and send data.Wherein, the indicated HSDPA channel resource of the code channel that takies on the TS0 of subsequent subframe of HSDPA channel resource and control letter information is consistent at the code channel that the TS0 of subsequent subframe takies.
Accordingly, utilize a kind of TDD down data method of reseptance provided by the invention, the step that receives data comprises:
S2100: terminal receives the control information by the carrying of the bit in the former HS-SCCH channel architecture, by TFRI time slot bit mapped bits in the HS-SCCH channel architecture is that 0 TS0 that parses in subsequent subframe receives the indication by high-speed downlink packet access channel data that resource is carried entirely, and the TS0 reception that is parsed in subsequent subframe by Start Code in the HS-SCCH channel architecture and Stop Code is by the concrete code channel of high-speed downlink packet access channel data that resource is carried.In addition, described HSDPA channel resource is: downlink high-speed shared control channel resource, perhaps high speed down sharing physical channel resource, perhaps downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
S2200: terminal receives the data that the HSDPA channel resource transmits according to the indication that parses on the corresponding code channel of the TS0 of subsequent subframe;
In the present embodiment, when sending data in step 1100, described control information can also utilize 1 bit indication that increase newly in the HS-SCCH channel architecture or amended will take the HSDPA channel resource at the TS0 of subsequent subframe and send data, the code channel resource information of utilizing n bit indication HSDPA channel resource that increase newly in the HS-SCCH channel architecture or amended to take at the TS0 of subsequent subframe.
Accordingly, when receiving data in step 2100, terminal receive by increase newly or amended HS-SCCH channel architecture in the control information of bit carrying, by 1 bit that increase newly in the HS-SCCH channel architecture or amended is that the TS0 that parses in subsequent subframe of 1 (or being 0) receives the indication by high-speed downlink packet access channel data that resource is carried, by the concrete code channel of the TS0 reception that increase newly or that amended n bit parses in subsequent subframe in the HS-SCCH channel architecture by high-speed downlink packet access channel data that resource is carried.
In addition, in the present embodiment, in step 1100, can also make HSDPA channel resource and S-CCPCH resource take separately independently resource respectively when sending data: make HSDPA channel resource and S-CCPCH resource utilize resource separately to send data at TS0 respectively, two kinds of resources are not shared; The S-CCPCH that perhaps will take TS0 time-slot code channel resource generally speaking is assigned on the time slot TS0 time-slot code channel in addition, to originally take TS0 time-slot code channel resource allocation HSDPA channel by S-CCPCH, this mode has realized the transfer of the channel resource of S-CCPCH to the HSDPA channel by changing efficient higher H SDPA channel resource with the lower S-CCPCH resource of efficient.
Embodiment two,
Utilize a kind of TDD down data sending method provided by the invention, the step that sends data comprises:
S3100: make HSDPA channel resource and S-CCPCH resource utilize resource separately to send data at the TS0 of subframe respectively, two kinds of resources are not shared; Perhaps make the S-CCPCH resource on the time slot beyond the time slot TS0 of subframe, send data, make the HSDPA channel resource send data at the time slot TS0 of subframe., generate the control information indication and utilize the HSDPA channel resource to send data, and the control information that generates is sent to terminal the scheduling situation of HSDPA channel resource based on above-mentioned at the TS0 of follow-up subframe at the TS0 of subframe.Wherein, the mode that described control information utilizes high-level signaling to combine with bit in the HS-SCCH channel architecture is carried: the high-level signaling carrying sends the message of uplink and downlink time slot position of conversion point after time slot TS2, indication utilizes the information bit indication that identifies time slot TS2 in the HS-SCCH channel architecture in the TFRI time slot bit mapped bits originally will take the HSDPA channel resource at the TS0 of subsequent subframe and sends data, in addition, the code channel resource information of utilizing high-level signaling indication HSDPA channel resource to take at the TS0 of subsequent subframe.In addition, described HSDPA channel resource is: downlink high-speed shared control channel resource, perhaps high speed down sharing physical channel resource, perhaps downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
S3200: take the HSDPA channel resource at the TS0 of subsequent subframe and send data.Wherein, the indicated HSDPA channel resource of the code channel that takies on the TS0 of subsequent subframe of HSDPA channel resource and control letter information is consistent at the code channel that the TS0 of subsequent subframe takies.
Accordingly, utilize a kind of TDD down data method of reseptance provided by the invention, the step that receives data comprises:
S4100: terminal receiving control information, comprise high-level signaling and HS-SCCH channel architecture loaded information, wherein terminal parses from the high-level signaling that receives, the indication of descending time slot position of conversion point after time slot TS2, then originally identify the information bit of time slot TS2 in the TFRI time slot bit mapped bits in this indication parsing of terminal HS-SCCH channel architecture, if identifying the information bit of time slot TS2 in the TFRI time slot bit mapped bits in the HS-SCCH channel architecture originally is 1 (or being 0), the TS0 that then indicates in subsequent subframe receives by high-speed downlink packet access channel data that resource is carried.In addition, terminal parses the concrete code channel of the TS0 reception of subsequent subframe by high-speed downlink packet access channel data that resource is carried from the high-level signaling that receives.In addition, described HSDPA channel resource is: downlink high-speed shared control channel resource, perhaps high speed down sharing physical channel resource, perhaps downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
S4200: terminal receives the data that the HSDPA channel resource transmits according to the indication that parses on the corresponding code channel of the TS0 of subsequent subframe.
Embodiment three
Utilize a kind of TDD down data sending method provided by the invention, the step that sends data comprises:
S5100: make the S-CCPCH resource on the time slot beyond the descending time slot TS0 of subframe, send data, make the HSDPA channel resource send data at the descending time slot TS0 of subframe, based on above-mentioned to the scheduling situation of HSDPA channel resource at the descending time slot TS0 of subframe, generate the control information indication and utilize the HSDPA channel resource to send data, and the control information that generates is sent to terminal at the TS0 of follow-up subframe.Wherein, the mode that described control information utilizes high-level signaling to combine with bit in the HS-SCCH channel architecture is carried: utilize 1 bit indication that increase newly in the HS-SCCH channel architecture or amended will take the HSDPA channel resource at the TS0 of subsequent subframe and send data, the code channel resource information of utilizing high-level signaling indication HSDPA channel resource to take at the TS0 of follow-up subframe.
In addition, described HSDPA channel resource is: downlink high-speed shared control channel resource, perhaps high speed down sharing physical channel resource, perhaps downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
S5200: take the HSDPA channel resource at the TS0 of subsequent subframe and send data.Wherein, the indicated HSDPA channel resource of the code channel that takies on the TS0 of subsequent subframe of HSDPA channel resource and control letter information is consistent at the code channel that the TS0 of subsequent subframe takies.
Accordingly, utilize a kind of TDD down data method of reseptance provided by the invention, the step that receives data comprises:
S6100: terminal receives the control information that is combined with high-level signaling and carried by the bit in the HS-SCCH channel architecture, by 1 bit that increase newly in the HS-SCCH channel architecture or amended is that the TS0 that parses in subsequent subframe of 1 (or being 0) receives the indication by high-speed downlink packet access channel data that resource is carried, and the TS0 reception that is parsed in subsequent subframe by high-level signaling is by the concrete code channel of high-speed downlink packet access channel data that resource is carried.
S6200: terminal receives the data that the HSDPA channel resource transmits according to the indication that parses on the corresponding code channel of the TS0 of subsequent subframe.
In present embodiment step 5100, for the first time before terminal sends downlink data, the code channel resource information that can utilize high-level signaling indication HSDPA channel resource to take at subframe TS0, send downlink data, the code channel resource information that control information can no longer indicate the HSDPA channel resource to take at follow-up subframe TS0 to terminal more later on.In step 5200, when the TS0 of subsequent subframe took the HSDPA channel resource and sends data, the indicated HSDPA channel resource of the code channel that the HSDPA channel resource takies on the TS0 of subsequent subframe and high-level signaling was consistent at the code channel that the TS0 of subframe takies.
Accordingly, when receiving data in step 6100, terminal receives high-level signaling first, and the TS0 that parses in subframe receives the concrete code channel by high-speed downlink packet access channel data that resource is carried, terminal can be stored this information, after the TS0 that receives afterwards in subsequent subframe receives indication by high-speed downlink packet access channel data that resource is carried, on the code channel that the TS0 of subsequent subframe directly writes down to the concrete code channel information of storage, receive and get final product by high-speed downlink packet access channel data that resource is carried.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1, a kind of TDD down data sending method is characterized in that, comprises step:
Generate control information and transmit to terminal, described control information is used to indicate and will takies the high-speed downlink packet access channel resource at first descending time slot of subsequent subframe and send data;
First descending time slot in subsequent subframe takies high-speed downlink packet access channel resource transmission data.
2, the method for claim 1 is characterized in that, described control information adopts at least a mode to carry:
Based on the former bit carrying in the downlink high-speed shared control channel structure; Or
Based on bit carrying newly-increased in the downlink high-speed shared control channel structure; Or
Based on amended bit carrying in the downlink high-speed shared control channel structure; Or
Carry based on high-level signaling.
3, the method for claim 1 is characterized in that, described high-speed downlink packet access channel resource comprises:
The downlink high-speed shared control channel resource; Or
The high speed down sharing physical channel resource; Or
Downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
4, method as claimed in claim 3 is characterized in that, described high-speed downlink packet access channel resource and Secondary Common Control Physical Channel resource are shared at first descending time slot of subsequent subframe.
5, method as claimed in claim 3 is characterized in that, described high-speed downlink packet access channel resource and Secondary Common Control Physical Channel resource take separately independently resource respectively.
6, a kind of dispensing device of TDD down data is characterized in that, comprising:
The control information generation unit is used to generate indication and will utilizes the high-speed downlink packet access channel resource to send the control information of data at first descending time slot of subsequent subframe;
The control information transmitting element is used for the control information that the control information generation unit generates is sent to terminal;
Data transmission unit is used for taking high-speed downlink packet access channel resource transmission data at first descending time slot of subsequent subframe.
7, dispensing device as claimed in claim 6 is characterized in that, described control information generation unit specifically comprises:
The scheduling of resource subelement is used for the high-speed downlink packet access channel resource is dispatched at first descending time slot of subframe;
Control information generates subelement, is used for the scheduling based on the scheduling of resource subelement, generates indication and will utilize the high-speed downlink packet access channel resource to send the control information of data at the TS0 of subsequent subframe.
8, a kind of method of reseptance of TDD down data is characterized in that, comprises step:
The control information that end-on is received is resolved, the indication information of putting down in writing in the controlled information that receives data on the high-speed downlink packet access channel resource of first descending time slot of subsequent subframe;
On the high-speed downlink packet access channel resource of first descending time slot of subsequent subframe, receive data as indicated.
9, method as claimed in claim 8 is characterized in that, the described control information that terminal receives adopts following at least a mode to carry:
Based on the former bit carrying in the downlink high-speed shared control channel structure; Or
Based on bit carrying newly-increased in the downlink high-speed shared control channel structure; Or
Based on amended bit carrying in the downlink high-speed shared control channel structure; Or
Carry based on high-level signaling.
10, method as claimed in claim 8 is characterized in that, described high-speed downlink packet access channel resource comprises:
The downlink high-speed shared control channel resource; Or
The high speed down sharing physical channel resource; Or
Downlink high-speed shared control channel resource and high speed down sharing physical channel resource.
11, a kind of receiving system of TDD down data is characterized in that, comprising:
Control information receives resolution unit, is used for receiving control information, parses first descending time slot in subsequent subframe and receives indication by high-speed downlink packet access channel data that resource is carried;
The Data Receiving unit is used for the indication that parses according to the control information resolution unit, receives the data that high-speed downlink packet access channel resource transmits at first descending time slot of subsequent subframe.
12, receiving system as claimed in claim 11 is characterized in that, described control information receives resolution unit and specifically comprises:
Control information receives subelement, is used for receiving control information;
Subelement is resolved in control information, is used for receiving control information that subelement receives based on control information and parses first descending time slot in subsequent subframe and receive indication by high-speed downlink packet access channel data that resource is carried.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710175947A CN101414876B (en) | 2007-10-16 | 2007-10-16 | Method and apparatus for sending and receiving TDD down data |
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| CN200710175947A CN101414876B (en) | 2007-10-16 | 2007-10-16 | Method and apparatus for sending and receiving TDD down data |
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| CN101414876A true CN101414876A (en) | 2009-04-22 |
| CN101414876B CN101414876B (en) | 2012-10-03 |
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| CN200710175947A Expired - Fee Related CN101414876B (en) | 2007-10-16 | 2007-10-16 | Method and apparatus for sending and receiving TDD down data |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185576A1 (en) * | 2012-06-15 | 2013-12-19 | 华为技术有限公司 | Method, device, and communication for transmission control |
| CN107820318A (en) * | 2016-09-10 | 2018-03-20 | 北京信威通信技术股份有限公司 | A kind of method and device for sending information |
| CN107925470A (en) * | 2015-08-07 | 2018-04-17 | 纽瑞科姆有限公司 | Control information for the multi-user transmission in wlan system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180556C (en) * | 2001-09-27 | 2004-12-15 | 华为技术有限公司 | A method for dynamically allocating shared control channels |
| CN1658541B (en) * | 2004-02-17 | 2010-12-08 | 大唐移动通信设备有限公司 | Data transmission method based on high-speed down packet access |
| CN100512093C (en) * | 2005-07-04 | 2009-07-08 | 上海原动力通信科技有限公司 | Multi-carrier-wave communication system TSO time-slot resource distribution method and grouped data transmission method |
| CN101043718B (en) * | 2006-03-24 | 2011-09-14 | 电信科学技术研究院 | Method for performing paging using downlink sharing physical channel |
-
2007
- 2007-10-16 CN CN200710175947A patent/CN101414876B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185576A1 (en) * | 2012-06-15 | 2013-12-19 | 华为技术有限公司 | Method, device, and communication for transmission control |
| CN103517421A (en) * | 2012-06-15 | 2014-01-15 | 华为技术有限公司 | Transmission control method, related device and communication system |
| US9615367B2 (en) | 2012-06-15 | 2017-04-04 | Huawei Technologies Co., Ltd. | Method, device, and communication system for transmission control |
| CN103517421B (en) * | 2012-06-15 | 2017-06-27 | 华为技术有限公司 | Transmission control method, related device and communication system |
| CN107925470A (en) * | 2015-08-07 | 2018-04-17 | 纽瑞科姆有限公司 | Control information for the multi-user transmission in wlan system |
| CN107925470B (en) * | 2015-08-07 | 2021-03-19 | 纽瑞科姆有限公司 | An access point, station, implementation method and apparatus for facilitating wireless network communication |
| US10965425B2 (en) | 2015-08-07 | 2021-03-30 | Newracom, Inc. | Control information for multi-user transmissions in WLAN systems |
| US11728949B2 (en) | 2015-08-07 | 2023-08-15 | Atlas Global Technologies Llc | Control information for multi-user transmissions in WLAN systems |
| CN107820318A (en) * | 2016-09-10 | 2018-03-20 | 北京信威通信技术股份有限公司 | A kind of method and device for sending information |
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| CN101414876B (en) | 2012-10-03 |
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