CN101803445A - Improved uplink access in a wireless communications tdd system - Google Patents

Improved uplink access in a wireless communications tdd system Download PDF

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Publication number
CN101803445A
CN101803445A CN200880107436A CN200880107436A CN101803445A CN 101803445 A CN101803445 A CN 101803445A CN 200880107436 A CN200880107436 A CN 200880107436A CN 200880107436 A CN200880107436 A CN 200880107436A CN 101803445 A CN101803445 A CN 101803445A
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CN
China
Prior art keywords
base station
subscriber equipment
communication system
wireless communication
information
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CN200880107436A
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Chinese (zh)
Inventor
毛杰
朱怀松
乜京月
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of CN101803445A publication Critical patent/CN101803445A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Abstract

A method for use in a cellular communications TDD system, the system comprising at least a first controlling transceiver and a number of user terminals within a geographical area in the system. The controlling receiver controls the traffic to ( down link ) and from ( uplink ) said user terminals. The uplink traffic can comprise both scheduled and non- scheduled traffic, and the scheduled uplink traffic is preceded by uplink scheduling information. A number of user terminals in the system transmit continuously in a non- scheduled uplink channel of the system, said transmissions involving at least one of the following: some of said scheduling information, data traffic, a bit stream according to a pre-defined format.

Description

Improving up link in wireless communications tdd system inserts
Technical field
The present invention relates to method and apparatus in a kind of subscriber equipment and the method and apparatus in a kind of base station.More specifically, the present invention relates to be used in a kind of wireless communication system improving mechanism of up link access.
Background technology
At present, be used for the standard commercial wireless access technology of wireless communication system in quick growth.These wireless access technologys comprise the cellular communication system with time division duplex (TDD) operate.An example that operates in the cellular radio Communication system of TDD is that TD SDMA inserts (TD-SCDMA) system.
In the TD-SCDMA system, with the same in other cellular radio Communication systems, first transceiver (so-called base station is arranged, perhaps so-called in this case Node B (Node B)), it is used for controlling and mails to and from the business of the user terminal in the geographic area (sub-district) of wireless communication system.
Business from the user terminal to the Node B is called as uplink service, and the business from the Node B to the user terminal is called downlink traffic.
TD-SCDMA EUL is the improvement of TD-SCDMA system, and wherein EUL represents enhanced uplink.
In TD-SCDMA EUL system, two kinds of resources are arranged: scheduling resource and non-scheduling resource in the up link.The business that high quality-of-service (QoS) requires is transmitted on non-scheduling resource as guaranteeing that bit rate (GBR) is professional and Signaling Radio Bearer (SRB) is professional, and the business that low QOS requires is transmitted on scheduling resource.
The ul transmissions on the scheduling resource from user terminal after Node B is transmitted so-called schedule information.In some cases, user terminal uses in a plurality of signatures available in the specific cell one to the Node B transmitting scheduling information.Signature is selected at random by user terminal, and this just means and can clash, and therefore can stop certain user's terminal to insert up link, thereby causes the delay in the up-link information transmission.
In TD-SCDMA enhanced uplink (EUL) system, two kinds of resources are arranged: scheduling resource and non-scheduling resource in the up link.As mentioned above, transmit on the non-scheduling resource by radio network controller (RNC) configuration such as the business of the high qos requirement of GBR and SRB business, the business of low qos requirement is transmitted on scheduling resource.
Not from the transmission mandate of Node B or RNC, and total E-DCH buffer state (TEBS) inserts the transmission that uplink control channel (E-RUCCH) triggers so-called schedule information greater than under zero the situation at random by E-DCH at subscriber equipment.
As follows from the process prescription of Node B transport service:
At first, need be on E-RUCCH during transmitting scheduling information when subscriber equipment, subscriber equipment is selected uplink synchronisation sign indicating number (SYNC_UL) signature at random from the available signatures subclass, and this signature is sent to Node B.Node B receives signature from subscriber equipment.Then, Node B is by physical access channel (FPACH) notifying user equipment power setting and time adjustment information.Subscriber equipment inserts on the uplink control channel E-RUCCH to its schedule information of Node B transmission at E-DCH at random with the Timing Advance of initial power through adjusting and relative Node B.Node B receives the schedule information of subscriber equipment, and authorizes to the user equipment allocation transmission by E-DCH absolute grant channel E-AGCH according to the dispatching algorithm that Node B is used.At last, subscriber equipment is accepted mandate, and on enhanced uplink physical channel E-PUCH to its data of Node B transmission.
Yet for subscriber equipment, the process of obtaining scheduling authorization from Node B may be unsuccessful.To propose now and the relevant problem of describing of process.
In the TD-SCDMA system, eight available SYNC_UL signatures are arranged in the sub-district, these signatures are divided into two subclass, and a subclass is used for the access of Random Access Channel (RACH) information, and another subclass is used for the access that E-DCH inserts uplink control channel (E-RUCCH) information at random.
Yet, if subscriber equipment is not authorized and need the transmission data to give Node B, subscriber equipment will with the subscriber equipment sharing E-RUCCH resource of other similarity conditions.
The subscriber equipment of transmitting scheduling information will be selected available SYNC_UL signature randomly and be transferred to Node B in E-RUCCH.If there is subscriber equipment to be in same state more than one, the risk that clashes in up link inserts is so just arranged, the user device quantity that relates to certainly is many more, and the probability of the risk that clashes will be high more.
As a result, possible some subscriber equipment can not insert up link in attempting their first time, and through the delay of one-period, subscriber equipment will send its SYNC_UL once more.Then, when subscriber equipment when Node B obtains the indication of transmission, subscriber equipment will send schedule information by E-RUCCH in the mode of describing before.
Can recognize, because above-described conflict for some subscriber equipmenies in the system, may need to spend long time before their schedule information arrives Node B.The deterioration that this will reduce the success rate of SYNC_UL signature access and cause systematic function.
Summary of the invention
Therefore the objective of the invention is to eliminate some above-mentioned shortcomings at least, improving mechanism that up link inserts in a kind of wireless communication system is provided.
According to first aspect, realize this purpose by the method that is used for the information that receives from subscriber equipment in the base station.Base station and subscriber equipment are included in the wireless communication system.Base station and subscriber equipment also all are configured to exchange wireless signal.Wireless communication system is configured to according to the work of TDD principle.This method comprises from subscriber equipment receiving scheduling information.Receive this schedule information on the non-dispatching uplink channel in wireless communication system.
According to second aspect, also realize this purpose by the device in the base station.This device is configured to receive information from subscriber equipment.This base station and subscriber equipment are included in the wireless communication system.Base station and subscriber equipment are configured to intercourse wireless signal.Wireless communication system is configured to according to the work of TDD principle.This device comprises receiving element.This receiving element is configured on the non-dispatching uplink channel in wireless communication system from subscriber equipment receiving scheduling information.
According to the third aspect, realize this purpose to the method for base station by the transmission information that is used in subscriber equipment.This subscriber equipment and base station are included in the wireless communication system.This subscriber equipment and base station also are configured to exchange wireless signal.Wireless communication system is configured to according to the work of TDD principle.This method is included on the non-dispatching uplink channel in the wireless communication system and sends schedule information to the base station.
According to fourth aspect, also realize this purpose by the device in subscriber equipment.This device is configured to send information to the base station.This subscriber equipment and base station are included in the wireless communication system.Subscriber equipment and base station also are configured to exchange wireless signal.Wireless communication system is configured to according to the work of TDD principle.This device comprises transmitting element.This transmitting element is configured to send schedule information to the base station on the non-dispatching uplink channel in wireless communication system.
Owing to can insert non-dispatching uplink channel continuously according to user terminal of the present invention, they can send schedule information, and can not take place to select the conflict that causes according to the signature of prior art.Therefore the mechanism that provides a kind of up link of in wireless communication system, having improved to insert.
If in up link, do not send other data, then can carry out uplink synchronisation and beam shaping according to the schedule information that each time transmission intercal (TTI) or every several TTI send to the base station continuously.
Therefore, the stand-by period of subscriber equipment in up link inserts reduced, and need not increase extra signaling or parameter.Even when in up link, not sending other data, also can carry out uplink synchronisation and beam shaping, this has improved the performance of whole system.
Description of drawings
Now will in conjunction with the accompanying drawings the present invention be described in more detail, in the accompanying drawings:
Fig. 1 is the schematic block diagram that shows according to the wireless communication system of some execution mode.
Fig. 2 is the schematic block diagram that shows according to the example components of the base station of some execution mode.
Fig. 3 A is the schematic block diagram that shows according to the example components of the subscriber equipment of some execution mode.
Fig. 3 B is the schematic block diagram that shows according to the subscriber equipment of some execution mode, and wherein subscriber equipment is implemented as cell phone.
Fig. 4 is the combination to the block diagram and the signaling diagram of small part signaling that shows according between the subscriber equipment of execution mode and the base station.
Fig. 5 is the schematic flow diagram that shows the execution mode of this method in the base station.
Fig. 6 is the schematic block diagram that shows according to the device in the base station of some execution mode.
Fig. 7 is the schematic flow diagram that shows the execution mode of this method in the subscriber equipment.
Fig. 8 is the schematic block diagram that shows according to the device in the subscriber equipment of some execution mode.
Fig. 9 is the schematic flow diagram that shows the execution mode of this method in the subscriber equipment.
Figure 10 is the schematic block diagram that shows according to the device in the subscriber equipment of some execution mode.
Embodiment
The present invention is defined as method and apparatus in the base station and the method and apparatus in the subscriber equipment, and they can be implemented with the execution mode that describes below.Yet the present invention can realize with multiple different form, should not be restricted to execution mode described herein; But, provide these execution modes so that disclosed content is comprehensive and complete, thereby to those skilled in the art's comprehensive representation scope of the present invention.Should be appreciated that, do not wish that this method and the method and apparatus in device and the subscriber equipment in the base station just are defined as any disclosed particular form, but opposite, this method and device will be contained all modification, equivalents and the alternative form within the scope of the invention that has fallen into the claim definition.
In addition, in conjunction with the accompanying drawings, according to following detailed, it is clear that the other objects and features of the invention become.Yet be appreciated that accompanying drawing is only used for the purpose of example, and can not be as the definition of the present invention restriction, for additional claim for referencial use.Will be further understood that accompanying drawing is inevitable describe in proportion, except as otherwise noted, only wishes their schematically illustrated structure described herein and processes.
Fig. 1 is the schematic block diagram that shows according to the example wireless communications 100 of some execution mode.Wireless communication system 100 comprises: the base station 110 that has defined sub-district 120; Subscriber equipment 130; With Control Node 140.
Wireless communication system 100 is known as radio honeycomb communication system sometimes.
Base station 110 may also be referred to as for example access point, Node B, control transceiver, first transceiver, evolved Node B (eNode B) and/or base station transceiver station sometimes, access point base station, base station router, or the like, by wireless access technology of for example using or term decision.In the description afterwards, for the ease of understanding this method and device, with term " base station " expression base station 110.
Base station 110 is used for controlling to be mail to and from the business that is positioned at as the subscriber equipment 130 of the specific geographical area of the sub-district 120 of wireless communication system 100.
Subscriber equipment 130 can be expressed as wireless communication terminal for example, mobile cellular telephone, user terminal, PCS Personal Communications System terminal, PDA(Personal Digital Assistant), kneetop computer, computer or any other can managing radio resources, and can be in wireless communication system 100 and the equipment of base station 110 radio communications.The PCS Personal Communications System terminal can have data processing with the cellular radio combination, fax and data communication function.PDA can comprise radio telephone, beep-pager, the Internet/intranet (internet/intranet) access device, web browser, Filofax, calendar and/or global positioning system (GPS) receiver.Subscriber equipment 130 can be known as " general fit calculation " equipment.Yet, in the description afterwards, subscriber equipment 130 represented in the use term " subscriber equipment " of unanimity, so that understand this method and device.
Wireless communication system 100 also comprises Control Node 140.Control Node 140 can be a radio network controller (RNC) for example.Radio network controller 140 is the managent components in the wireless communication system 100, is responsible for being operatively connected to the base station (as base station 110) of radio network controller 140.Radio network controller 140 can be carried out RRM; Some mobile management functions, and may be user data mail to or from least one subscriber equipment 130 before finish the point of encryption therein.
Subscriber equipment 130 is communicated by letter with other subscriber equipmenies or the device that do not illustrate by the base station 110 that is included in the wireless communication system 100.
110 business is known as uplink service (UL) to the base station from subscriber equipment 130, and 110 business to subscriber equipment 130 are known as downlink traffic (DL) from the base station, as shown in Figure 1.
Wireless communication system 100 can comprise the network of one or more any type, comprises Local Area Network; Wide area network (WAN); Metropolitan area network (MAN); Telephone network is as public switch telephone network (PSDN) or public-land mobile network (PLMN); Satellite network; Intranet; The Internet; Or the combination of these networks or other networks.PLMN also can comprise the packet switching subnet, for example GPRS (GPRS), Cellular Digital Packet Data (CDPD) or Mobile Internet Protocol (IP) network.
Wireless communication system 100 can be based on multiple technologies, for example code division multiple access (CDMA), time division multiple access (TDMA), Wideband Code Division Multiple Access (WCDMA) (CDMA), CDMA 2000, comprise that the high-speed packet that enhanced uplink (EUL) and high speed downlink packet access insert (HSDPA) inserts EVDO version of (HSPA), CDMA 2000 or the like, some examples that these are just mentioned.
Yet technical solution of the present invention is used in the wireless communication system 100 with time division duplex (TDD) operate has special advantage.The present invention can be applied to the TDD system of wide region, but followingly makes an explanation with reference to so-called TD-SCDMA system (being the time-division S-CDMA).
TD-SCDMA is a kind of 3G mobile communication standard, and it is proposed in the People's Republic of China (PRC) by Institute for Research and Technology of China Telecom (CATT).
TD-SCDMA uses Frequency Division Duplexing (FDD) (FDD) scheme of using among TDD and the W-CDMA to form contrast.By the timeslot number that dynamic adjustment down link and up link are used, system 100 is than the asymmetric traffic that has the different pieces of information rate requirement on easier adaptation up link of FDD scheme and the down link.Because it does not require the paired frequency spectrum that is used for down link and up link, has increased the flexibility of spectrum allocation may.Simultaneously, it is identical that down link and up link use identical carrier frequency to mean in both direction upper signal channel condition, and base station 130 can release downlink channel information from uplink channel estimation, and this helps the application of beam forming technique.
Except the CDMA that uses among the WCDMA, TD-SCDMA also uses TDMA.The number of users that this can reduce in each time slot has reduced the complexity that realizes Multiuser Detection and beam shaping scheme.
In addition, in TD-SCDMA, uplink signal obtains synchronously by continuous timing adjustment in base station 130.By improving the orthogonality of intersymbol, can reduce the interference between the subscriber equipment 130 that uses different sign indicating numbers in the identical time slot, therefore increased power system capacity.
The number that is to be appreciated that the assembly shown in Fig. 1 only is an example.Other configurations of can realize having still less, difference more or assembly being arranged.And, in some embodiments, one or more task that one or more other assemblies of describing in one or more assembly possibility execution graph 1 among Fig. 1 are carried out.Just give one example, in some embodiments, the function of radio network controller 140 can be distributed in the base station 110.
Fig. 2 example the 110 1 kinds of exemplary implementations in base station.Base station 110 can comprise for example transceiver 205, processing unit 210, memory 215, interface 220, bus 225 and antenna 230.Control Node 140 can similarly dispose; But according to some execution mode, Control Node 140 may not comprise transceiver 205.
Transceiver 205 can comprise transceiver circuit, and this transceiver circuit is used for using wireless frequency signal to send and/or the receiving symbol sequence by one or more antenna 230.One or more antenna 230 can comprise single antenna 230 or antenna array, also may comprise orientation and/or omnidirectional antenna 230.
Processing unit 210 can comprise processor, microprocessor or the processing logic of explaining and executing instruction.And processing unit 210 can be carried out all data processing functions of base station 110.That data that memory 215 uses when the actuating equipment processing capacity for processing unit 210 and instruction provide is permanent, semipermanent or odd-job storage.In addition, memory 215 can comprise main memory unit such as processor register, cache memory, incoming memory (RAM) etc. at random.Memory cell 215 can comprise second memory cell in some embodiments, as read-only memory (ROM), electronics Erasable Programmable Read Only Memory EPROM (EEPROM), programmable read-only memory (prom) or Erasable Programmable Read Only Memory EPROM (EPROM) or hard disk drive.Memory cell 215 can comprise off-line store unit, flash memory, USB storage or storage card in some embodiments.Memory cell 215 may further comprise network attached storage (NAS) in some embodiments or in fact be any other suitable medium, as and/or optical recording media and corresponding driving thereof, or any other can preserve hard disk, tape or the medium of machine-readable data.
Interface 220 can comprise and be used for and be connected to for example circuit of the link interfaces of base station 110.Bus 225 makes the various assemblies 205,210,215,220,230 of base station 110 interconnected, allows the mutual communication of these inter-modules with this.
The configuration of the assembly of the base station 110 shown in Fig. 2 is for the purpose of illustration only purpose.Other configurations of also can realize having still less, difference more or assembly being arranged.
Fig. 3 A has described the subscriber equipment 130 of abideing by illustrative embodiments.Subscriber equipment 130 comprises transceiver 305, processing unit 310, memory 315, input equipment 320, output equipment 325 and bus 330.
Transceiver 305 can comprise transceiver circuit, and transceiver circuit is used for using radiofrequency signal to send and/or the receiving symbol sequence by one or more antenna.
Processing unit 310 can comprise CPU (CPU), processor, microprocessor or the processing logic of explaining and executing instruction.And processing unit 310 may be all data processing functions of input, output and the processing execution of data, comprises metadata cache and Equipment Control function, as call treatment control, user interface control or the like.
Memory 315 provides permanent for data and the instruction that processing unit 310 uses when the actuating equipment processing capacity, semipermanent or odd-job storage.Memory 315 can comprise ROM, RAM, mass-memory unit, as magnetic and/or optical recording media and corresponding driving device thereof, and/or the memory cell of other types.Input equipment 320 can comprise the mechanism to subscriber equipment 130 input data.Keypad allows manual user to subscriber equipment 130 input data.Microphone comprises the mechanism that sense of hearing input is converted to the signal of telecommunication.Display unit comprises screen display, and it provides user interface (as graphical user interface), and the user can select functions of the equipments with it.The screen display of display unit can comprise the visual display unit of any kind, for example LCD (LCD), plasma screen display, light-emitting diode (LED) display, cathode ray tube (CRT) display, organic light emitting diode display (OLED) or the like.
Output equipment 325 comprises the mechanism with audio frequency, video and/or hard copy format dateout.For example, output equipment 325 can comprise the loud speaker (not shown), and loud speaker comprises with electrical signal conversion being the mechanism of sense of hearing output.Output equipment 325 can further comprise the display unit that dateout is shown to the user.For example, display unit can provide the graphical user interface that dateout is shown to the user.Bus 330 makes a plurality of component interconnect of subscriber equipment 130, to allow the mutual communication of inter-module.
The arrangement of components of the subscriber equipment 130 shown in Fig. 3 A only is used for the example purpose.Also can realize having more, still less assembly or assembly other configurations of being arranged by difference.For example, in some embodiments, subscriber equipment 130 can comprise or be connected to the GPS position measurement apparatus.
Fig. 3 B example the exemplary realization of subscriber equipment 130, wherein subscriber equipment 130 comprises cellular radio.Shown in Fig. 3 B, subscriber equipment 130 can comprise: for example as the microphone 335 of input equipment 320, be used for importing audio-frequency information to subscriber equipment 130; For example, be used for providing audio frequency output from radio telephone as the loud speaker 340 of output equipment 325; For example, be used for hand input-data or select telephony feature as the keypad 345 of input equipment 320; And for example as the display 350 of input equipment 320 or output equipment 325, its visually video data give the user and/or user interface be provided, the user can use this user interface to import data or select telephony feature in conjunction with keypad 345.
Fig. 4 example according to the signaling and the treatment step of some execution mode of technical solution of the present invention.Therefore, among Fig. 4 example according to some optional execution mode, how to use the continuous non-scheduled transmission of this method to come transmitting scheduling information and data.The example purpose of Fig. 4 is to explain the General Principle of support according to the inventive method of some execution mode.But, not every interpretation procedure 410-430 must be included in all execution modes of this method.
Step 410
Upward to its base station 110 its schedule informations of transmission, because compared with prior art the risk of access interference has reduced, schedule information can successfully arrive base station 110 to subscriber equipment 130 at non-scheduling enhanced uplink physical channel (NS E-PUCH).
Step 420
Base station 110 is after subscriber equipment 130 receives schedule information, and according to the dispatching algorithm that use base station 110, base station 110 is gone up to subscriber equipment 130 in enhancement type special channel absolute grant channel (E-AGCH) and distributed transmission to authorize.
Step 430
When subscriber equipment 130 had received the transmission mandate, its can be at scheduling enhanced uplink physical channel (E-PUCH) transmitting data.
In some embodiments, the transmission continuously in non-dispatching uplink channel of Control Node 140 configure user equipment 130 as shown in Figure 1.For example, continuously transmission can occur in each Transmission Time Interval (TTI) of subscriber equipment 130, and TTI equals a plurality of subframes in the TD-SCDMA system.Yet alternatively, transmission can occur among every several TTI of subscriber equipment 130 continuously, for example, and per two TTI, per three TTI, per four TTI or the like.
Above-mentionedly for example occur in when subscriber equipment 130 does not have schedule information or data service to send to Node B with predetermined form transmission bit stream, purpose is in order to transmit continuously from subscriber equipment 130.
Subscriber equipment 130 also can be used by wireless communication system 100 in the continuous transmission of non-dispatching uplink channel, so that obtain other advantage.Such advantage is that base station 110 can use continuous uplink from subscriber equipment 130 to transmit to carry out uplink synchronisation, and promptly base station 110 uses the continuous uplink business to come the transmission of time control from subscriber equipment 130.
This is can more detailed description as follows: the present invention pointed such as in the such system of TD-SCDMA, the up link " transmission lead " of base station 110 control subscriber equipmenies 130, make the antenna that all arrives base station 110 from the signal of all subscriber equipmenies 130 in the sub-district simultaneously, i.e. " uplink synchronisation ".
Base station 110 sends adjusts order to subscriber equipment 130, is used to adjust the through-put power of subscriber equipment 130.This order can produce based on the measurement of the up link time difference between the 110 pairs of different subscriber equipmenies 130 in base station.By being used for the continuously up link of transmission, base station 110 is can Measuring Time poor, and can therefore generate power adjustment commands and give subscriber equipment 130.In this case, the continuous up channel that is used to measure can be the non-scheduled transmission of E-PUCH for example.
The continuous transmission of use this method can obtain another advantage and be, if base station 110 is equipped with the antenna 230 that can carry out so-called beam shaping, then continuously the user equipment uplink transmission can be used as pilot signal and uses, so as with the beams directed of antenna 230 to subscriber equipment 130.
Therefore, for example in the TD-SCDMA system, the downlink channel except some common channel can be by beam shaping.In up link, need to have the beam shaping algorithm in the antenna for base station 230 of pilot signal, so base station 110 can estimate the direction of subscriber equipment 130, and in the wave beam that with that direction is the center communicating downlink channel.
Fig. 5 is the flow chart that is used for receiving from subscriber equipment 130 method of information in the example base station 110.Base station 110 and subscriber equipment 130 are included in the wireless communication system 100, and are configured to exchange wireless signal.Wireless communication system 100 is configured to according to the work of time division duplex (TDD) principle.
Wireless communication system 100 can be TD SDMA (TD-SCDMA) system for example according to some execution mode.Base station 110 is being represented by Node B in these execution modes at least.
The non-dispatching uplink channel of wireless communication system 100 can be represented by non-scheduling enhancement mode physical uplink channel (E-PUCH) according to some execution mode.
But, according to some execution mode, the non-dispatching uplink channel of wireless communication system 100 can be represented by DPCH (DPCH).
From subscriber equipment 130 reception information, this method comprises several steps 510-550 for suitably.Yet, should be noted that the part in the described method step is optionally, and only in some embodiments involved.In addition, should be noted that method step 510-550 can carry out with the random time order, and the some of them step in addition all method steps can be carried out simultaneously or with change, reset arbitrarily, decompose or even fully conversely order and carrying out.This method may further comprise the steps:
Step 510
On the non-dispatching uplink channel of wireless communication system 100 from subscriber equipment 130 receiving scheduling information.
According to some optional execution mode, on the non-dispatching uplink channel of wireless communication system 100 from subscriber equipment 130 continuous receiving scheduling information.
According to some optional execution mode, each Transmission Time Interval TTI or every several TTI on the non-dispatching uplink channel of wireless communication system 100 from subscriber equipment 130 continuous receiving scheduling information.
Step 520
This method step is optionally, and may only carry out according to some execution mode.Give subscriber equipment 130 with authorized appropriation.Further, this mandate is sent to subscriber equipment 130.
Step 530
This method step is optionally, and may only carry out according to some execution mode.Obtain information from subscriber equipment 130 on the non-dispatching uplink channel of wireless communication system 100, wherein this information can comprise data service and/or according to the bit stream of predetermined format.
According to some optional execution mode, on the non-dispatching uplink channel of wireless communication system 100, obtain information continuously from subscriber equipment 130.
According to some optional execution mode, each Transmission Time Interval (TTI) or every several TTI obtain information continuously from subscriber equipment 130 on the non-dispatching uplink channel of wireless communication system 100.
Step 540
This method step is optionally, and may only carry out according to some execution mode.Subscriber equipment 130 is synchronous based on other subscriber equipmenies in information that receives and the same sub-district 120.Like this, base station 110 can receive the signal from all subscriber equipmenies in the sub-district 120 simultaneously.
Therefore, according to some execution mode, base station 110 can be used from the continuous ul transmissions of the subscriber equipment in the sub-district 120 (as subscriber equipment 130) and be carried out uplink synchronisation, that is, base station 110 can use continuous uplink service in case time control from the transmission of the subscriber equipment in the sub-district 120.
Step 550
This method step is optionally, and may only carry out according to some execution mode.The antenna 230 of base station 110 carries out beam shaping based on the information that receives.
According to some execution mode, base station 110 can be equipped with at least one can carry out the antenna 230 of so-called beam shaping.Transmission can be used as " pilot signal " from the continuous uplink of subscriber equipment 130, with the beam steering of antenna to subscriber equipment 130.
In order to carry out top method, base station 110 comprises device 600, as shown in Figure 6.Device 600 is configured to from subscriber equipment 130 reception information.Base station 110 and subscriber equipment 130 are included in the wireless communication system 100, and are configured to exchange wireless signal.Wireless communication system 100 is configured to according to the work of time division duplex (TDD) principle.
Device 600 comprises receiving element 610.Receiving element 610 is configured on the non-dispatching uplink channel of wireless communication system 100 from subscriber equipment 130 receiving scheduling information.
According to some execution mode, device 600 can comprise allocation units 620.Allocation units 620 are configured to assigns authorized and give subscriber equipment 130.
According to some execution mode, the device 600 in the base station 110 also comprises transmitting element 625.Transmitting element 625 can be configured to send for example will be by the signal of subscriber equipment 130 receptions.
In addition, according to some execution mode, device 600 can comprise acquiring unit 630.Acquiring unit 630 is configured to obtain information from subscriber equipment 130 on the non-dispatching uplink channel of wireless communication system 100.This information can comprise data service and/or according to the bit stream of predetermined format.
According to some execution mode, device 600 can comprise lock unit 640.Lock unit 640 carries out based on the signal of the information that receives with the signal of subscriber equipment 130 transmissions and other subscriber equipmenies transmissions in the same sub-district 120 synchronously.
In addition, according to some execution mode, device 600 can comprise antenna 230.Antenna 230 is configured to be used for beam shaping, wherein based on the information and executing beam shaping that receives from subscriber equipment 130 before.
It should be noted that, in order to know reason, in the base station 110, be not that very necessary any internal electronic device (some internal electronic devices of base station as shown in Figure 2) has been omitted in Fig. 6 for this method of carrying out according to method step 510-550.
Allocation units 620, acquiring unit 630 and/or lock unit 640, these selectable units that can be included in the device 600 of some execution mode of base station 110 can be processing unit, CPU or any logic device that can computer program.
It should be noted that the unit 610-650 in the device that is included in base station 110 600 of description is considered to independently logic entity, but need not to be independently physical entity.Among the unit 610-650 some, some in addition all can be included in or be configured in jointly in the same physical location.Yet,, be optionally by some the unit 620-650 among the unit 610-650 that comprises, and only comprise in some embodiments that they are illustrated as independently physical location in Fig. 6 for the ease of understanding the function of the device 600 in the base station 110.
Like this, according to some execution mode, for example optionally transmitting element 625 and for example receiving element 610 can be included in the physical location, promptly comprise in the transceiver of transmitter circuit and acceptor circuit, transmitter circuit and acceptor circuit send outer emission frequency signal by antenna 230 respectively and receive the radiofrequency signal that arrives to subscriber equipment 130 and from subscriber equipment 130.Antenna 230 can be flush type antenna, retractable antenna or do not break away from the scope of the invention the known any antenna of those skilled in the art.The radiofrequency signal of transmission can comprise service signal and control signal between subscriber equipment 130 and base station 110, as paging signal/incoming call message, it is used to set up and keep the voice call communication with the opposing party, send perhaps and between another remote user equipment and/or receive data, as SMS, Email or MMS message.
According to some execution mode, base station 110 can be represented by Node B, and is configured to run in as in the TD-SCDMA system.
Fig. 7 is for being used for the flow chart of transmission information to the method for base station 110 in the exemplary user equipment 130.Subscriber equipment 130 and base station 110 are included in the wireless communication system 100.Subscriber equipment 130 and base station 110 also are configured to exchange wireless signal.Wireless communication system 100 is configured to according to the work of TDD principle.
According to some execution mode, wireless communication system 100 can be time division synchronization code multiple access (TD-SCDMA) system for example.Base station 110 can be represented by Node B in these execution modes at least.
The non-dispatching uplink channel of wireless communication system 100 can be by non-scheduling enhancement mode physical uplink channel E-PUCH representative according to some execution mode.
But, according to some execution mode, the non-dispatching uplink channel of wireless communication system 100 can be represented by DPCH (DPCH).
In order suitably to send information to base station 110, this method comprises several steps 710-730.Yet, should be noted that the part in the method step of description is optionally, and only in some embodiments involved.In addition, should be noted that method step 710-730 can carry out with random order, some of them step even all method steps can carry out simultaneously or with change, reset arbitrarily, decompose or even fully conversely order and carrying out.This method may further comprise the steps:
Step 710
On the non-dispatching uplink channel of wireless communication system 100, send schedule information to base station 110.
According to some execution mode, schedule information sends in each TTI or every several TTI continuously.
Step 720
According to some optional execution mode, 110 receive mandate from the base station.
According to some execution mode, subscriber equipment 130 needed at first to accept mandate before carrying out next method step.
Step 730
This step is optionally, and may only carry out at some execution mode.On the non-dispatching uplink channel of wireless communication system 100, send information to base station 110.Information comprises data service and/or according to the bit stream of predetermined format.
According to some execution mode, information sends to base station 110 continuously in each TTI or every several TTI.
According to some execution mode, the transmission of bit stream occurs in when not having schedule information or data traffic transmission to base station 110.
In order to realize top method, subscriber equipment 130 comprises device 800, as shown in Figure 8.Device 800 is configured to send information to base station 110.Base station 110 and subscriber equipment 130 are included in the wireless communication system 100, and are configured to exchange wireless signal.Wireless communication system 100 is configured to according to the work of time division duplex (TDD) principle.
This device 800 comprises transmitting element 810.Transmitting element 810 is configured to send schedule information to base station 110 on the non-dispatching uplink channel of wireless communication system 100.
According to some optional execution mode, this device 800 can comprise receiving element 820.Receiving element 820 is configured to for example 110 received signals from the base station.
According to some optional execution mode, the device 800 in the subscriber equipment 130 comprises processing unit 830.Processing unit 830 is for example CPU or any logic device that can computer program according to some execution mode.
It should be noted that, in order to know reason, in the subscriber equipment 130, be not that necessary fully any internal electronic device (some internal electronic devices in the base station as shown in Figure 3A and 3B) is omitted in Fig. 8 for this method of carrying out according to method step 710-730.
It should be noted that unit 810-830 is considered to independently logic entity in the described device 800 that is included in subscriber equipment 130, but unnecessary be physical entity independently.Among the unit 810-830 any one, some in addition all can be included in or be configured in jointly in the same physical location.Yet for the ease of understanding the function of device 800 in the subscriber equipment 130, the unit 820 and 830 among the included unit 810-830 is optionally, and only in some embodiments involved, is illustrated as independently physical location in Fig. 8.
Like this, according to some execution mode, for example optionally receiving element 820 and for example transmitting element 810 can be included in the physical location, can comprise in the transceiver of transmitter circuit and acceptor circuit, transmitter circuit and acceptor circuit respectively by antenna transmission launch outward signal frequently to the base station 110 and from the base station 110 radiofrequency signals that receive arrivals.Antenna can be flush type antenna, retractable antenna or the known any antenna of those skilled in the art that do not depart from the scope of the present invention.The radiofrequency signal of transmission comprises service signal and control signal between subscriber equipment 130 and base station 110, as paging signal/incoming call message, it is used to set up and keep the voice call communication with the opposing party, or send with another remote base stations and/or receive data, as SMS, Email or MMS information.
According to some execution mode, subscriber equipment 130 for example is configured to run in the TD-SCDMA system.
Some specific implementations
Fig. 9 has described the method 900 according to some execution mode.According to these execution modes, method 900 is used in the radio honeycomb communication system 100.Method 900 is according to time division duplex (TDD) principle work (910).Carry out sending and receiving like this in time frame, each frame is divided into a plurality of time slots.System 100 comprises at least the first control transceiver 110.
System 100 has the ability that comprises a plurality of subscriber equipmenies 130 in first geographic area 120 in system.Controlling receiver 110 is used for that (" down link ") mail in control or from the business of the subscriber equipment 130 of (" up link ") first geographic area 120.
Uplink service comprises schedule information and non-schedule information in the system 100.Before the scheduling uplink business, be uplink scheduling information.Method 900 is characterised in that a plurality of at least subscriber equipmenies 130 in the system 100 is configured to transmission (915) continuously on the non-dispatching uplink channel of system 100.It is one of at least following that this transmission relates to: described schedule information 920, data service 925 or according in the bit stream 930 of predetermined format certain.
According to the method 900 of some execution mode, the transmission of bit stream occurs in when when user terminal 130 does not have transmitting scheduling information or data service (935).
According to some execution mode, continuously transmission occurs among each Transmission Time Interval (TTI) of user terminal 130 or the every several TTI (940).
According to some execution mode, transmission is used for the uplink synchronisation (945) of first transceiver 110 continuously, that is, first transceiver 110 uses the continuous uplink business, so that time control is from the transmission of user terminal 130.
According to some execution mode, first transceiver 110 be equipped with can beam shaping antenna (950), and the information that will send continuously comes the wave beam of directional antenna to user terminal 130 as " pilot signal ".
According to some execution mode, this method 900 can be applied in the time division synchronization code multiple access TD-SCDMA system (960), and in this system, Control Node 110 is the Node B in the system.
According to some execution mode, the non-dispatching uplink channel of system is non-scheduling enhancement mode physical uplink channel E-PUCH (965).
According to some execution mode, the non-dispatching uplink channel of system is DPCH DPCH (965).
Figure 10 has described the user terminal 130,1000 according to some execution mode.User terminal 130,1000 is used for radio honeycomb communication system 100.Radio honeycomb communication system 100 is according to the work of time division duplex (TDD) principle.Like this, user terminal 130 comprises the device 1010,1020,1040 that is used for the device 1010,1030,1040 that sends at time frame and receives.Time frame is divided into a plurality of time slots.
User terminal 130,1000 comprises device 1010,1020,1030,1040, is used for transmitting and scheduling business and non-scheduling service.
Be uplink scheduling information before the scheduling uplink business, user terminal 130 comprises device 1030,1040, and it makes terminal configurable be used on the non-dispatching uplink channel of system 100 send continuously.
It is one of at least following that this transmission relates to: described schedule information 920, data service 925 or according in the bit stream 930 of predetermined format certain.
According to some execution mode, user terminal 130,1000 comprises dispensing device 1010,1030,1040, and it makes when the transmission of bit stream occurs in not from user terminal 130,1000 transmitting scheduling informations or data service.
According to some execution mode, dispensing device 1010,1030,1040 makes that transmission is recurred at each Transmission Time Interval TTI continuously, or every several TTI.
According to some execution mode, user terminal 130,1000 is included in time division synchronization code multiple access (TD-SCDMA) system.
According to some execution mode, the non-dispatching uplink channel of system 100 is non-scheduling enhancement mode physical uplink channel E-PUCH.
According to some execution mode, the non-dispatching uplink channel of system 100 is DPCH DPCH.
Also have some specific implementations
The computer program that is used for sending and/or receive one or more processor that this method of information can be by base station 110 and subscriber equipment 130 and is used to carry out the function of this method is realized.Program code above-mentioned can be used as computer program and provides, and such as the form with the data medium of carrying computer program code, carries out when this computer program code is loaded into processor unit according to the method for method step separately.Data medium can be for example CD ROM dish, memory stick or other any suitable media, such as the dish that can preserve machine-readable data or tape.This computer program code further is provided as the pure program code on the server, and is arrived base station 110 and/or subscriber equipment 130 by remote download.
Therefore, the coding computer-readable medium of computer program that is useful on reception information can be carried out the method according at least some method steps among the method step 510-550.
Therefore, the coding computer-readable medium of computer program that is useful on transmission information can be carried out the method according at least some method steps among the method step 710-730.
The invention is not restricted to the example in the above-described and shown in the drawings execution mode, but can freely change within the scope of the appended claims.Like this, the present invention can be applied to other TDD systems, and is not the TD-SCDMA system, has used the TD-SCDMA system in superincumbent description and the accompanying drawing, and purpose is to be convenient to help reader understanding the present invention.

Claims (16)

1. the method in the base station (110), described method is used for from subscriber equipment (130) reception information, described base station (110) and described subscriber equipment (130) are included in the wireless communication system (100) and are configured to exchange wireless signal, described wireless communication system (100) is configured to according to the work of TDD principle, and this method may further comprise the steps:
On the non-dispatching uplink channel of described wireless communication system (100), receive (510) schedule information from described subscriber equipment (130).
2. method according to claim 1, described method is further comprising the steps of:
Distribute (520) to license to described subscriber equipment (130).
3. method according to claim 1 and 2, described method is further comprising the steps of:
Obtain (530) information from described subscriber equipment (130) on the non-dispatching uplink channel of described wireless communication system (100), wherein said information comprises data service and/or according to the bit stream of predetermined format.
4. according to each described method among the claim 1-3, wherein said reception (510) step and/or described obtaining (530) step are carried out in each Transmission Time Interval TTI or every several TTI continuously.
5. according to each described method among the claim 1-4, described method is further comprising the steps of:
Based on the information that receives, synchronous (540) described subscriber equipment (130).
6. according to each described method among the claim 1-5 of front, wherein said base station (110) comprise and are arranged to the antenna (230) that carries out beam shaping, and wherein this method further may further comprise the steps:
Based on received information described antenna (230) is carried out beam shaping (550).
7. according to each described method among the claim 1-6 of front, wherein said wireless communication system (100) is a time division synchronization code multiple access TD-SCDMA system, and described base station (110) are represented by Node B.
8. according to each described method among the claim 1-7 of front, the described non-dispatching uplink channel of wherein said wireless communication system (100) strengthens physics up channel E-PUCH representative by non-scheduling.
9. according to each described method among the claim 1-7 of front, the described non-dispatching uplink channel of wherein said wireless communication system (100) is represented by DPCH DPCH.
10. the device (600) in the base station (110), described device (600) is configured to from subscriber equipment (130) reception information, described base station (110) and described subscriber equipment (130) are included in the wireless communication system (100) and are configured to exchange wireless signal, described wireless communication system (100) is configured to according to the work of TDD principle, and described device (600) comprising:
Receiving element (610), described receiving element (610) are configured on the non-dispatching uplink channel of described wireless communication system (100) from described subscriber equipment (130) receiving scheduling information.
11. the method in the subscriber equipment (130), this method is used for to base station (110) transmission information, described subscriber equipment (130) and described base station (110) are included in the wireless communication system (100) and are configured to exchange wireless signal, described wireless communication system (100) is configured to according to the work of TDD principle, and this method may further comprise the steps:
On the non-dispatching uplink channel of described wireless communication system (100), send (710) schedule information to described base station (110).
12. method according to claim 11, described method is further comprising the steps of:
Receiving (720) from described base station (110) authorizes.
13. according to claim 11 or 12 described methods, described method is further comprising the steps of:
To described base station (110) transmission (730) information, wherein said information comprises data service and/or according to the bit stream of predetermined format on the non-dispatching uplink channel of described wireless communication system (100).
14. according to each described method among the claim 11-13, wherein said transmission (710) step and/or described transmission (730) step are carried out in each Transmission Time Interval TTI or every several TTI continuously.
15. according to each described method among the claim 11-14, wherein said bit stream transmission occurs in not when described base station (110) transmitting scheduling information or data service.
16. the device (800) in the subscriber equipment (130), wherein said device (800) is configured to base station (110) transmission information, described subscriber equipment (130) and described base station (110) are included in the wireless communication system (100) and are configured to exchange wireless signal, described wireless communication system (100) is configured to according to the work of TDD principle, and described device (800) comprising:
Transmitting element (810), described transmitting element are configured to send schedule information to described base station (110) on the non-dispatching uplink channel of described wireless communication system (100).
CN200880107436A 2007-09-17 2008-07-11 Improved uplink access in a wireless communications tdd system Pending CN101803445A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016095407A1 (en) * 2014-12-19 2016-06-23 中兴通讯股份有限公司 Apparatus sharing method, device, server and terminal in multi-user shared environment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060006725A (en) * 2004-07-16 2006-01-19 삼성전자주식회사 Method and apparatus for determining autonomous transmission parameters in mobile telecommunication system for enhanced uplink dedicated channel
US20070064665A1 (en) * 2005-08-23 2007-03-22 Interdigital Technology Corporation Method and apparatus for accessing an uplink random access channel in a single carrier frequency division multiple access system
US7620367B2 (en) * 2005-10-31 2009-11-17 Ipwireless, Inc. Frequency domain unscheduled transmission in a TDD wireless communications system
US7912471B2 (en) * 2006-01-04 2011-03-22 Wireless Technology Solutions Llc Initial connection establishment in a wireless communication system
KR20080092222A (en) * 2007-04-11 2008-10-15 엘지전자 주식회사 Data transmission method in tdd system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016095407A1 (en) * 2014-12-19 2016-06-23 中兴通讯股份有限公司 Apparatus sharing method, device, server and terminal in multi-user shared environment
CN105763593A (en) * 2014-12-19 2016-07-13 中兴通讯股份有限公司 Equipment sharing method and device under multi-user sharing environment, server and terminal
CN105763593B (en) * 2014-12-19 2020-01-24 中兴通讯股份有限公司 Equipment sharing method and device under multi-user sharing environment, server and terminal

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Application publication date: 20100811