CN101141171A - Radio communication device, system and method - Google Patents

Radio communication device, system and method Download PDF

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Publication number
CN101141171A
CN101141171A CNA2006101220019A CN200610122001A CN101141171A CN 101141171 A CN101141171 A CN 101141171A CN A2006101220019 A CNA2006101220019 A CN A2006101220019A CN 200610122001 A CN200610122001 A CN 200610122001A CN 101141171 A CN101141171 A CN 101141171A
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data
user terminal
burst
downlink
radio
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CN101141171B (en
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邓世强
张爱民
唐臻飞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The present invention discloses a wireless communication system, a device and a wireless communication method. The wireless communication system comprises a base station, a wireless relay station and a user terminal. Wherein, the base station and the user terminal can transmit uplink data and downlink data to each other through the wireless relay station. In detail, the wireless relay station receives downlink relay sub-frame data from the base station and carries the demodulated downlink data onto downlink relay sub-frames and then transmits the data to the user terminal. In addition, the wireless relay station receives uplink data sub-frame data from the user terminal and carries the demodulated uplink data onto uplink relay sub-frames and then transmits the data to the base station, thus fulfilling communication of the wireless communication system. Moreover, the present invention discloses a wireless communication device and a method. The present invention forms a novel wireless communication system and a wireless communication method applying the wireless communication system by modifying the base station and introducing a novel wireless relay station, thus expanding coverage scope of the base station and removing lower throughput rate on community edges and uncovered shadow regions.

Description

A kind of radio communication device, system and method
Technical field
The present invention relates to wireless communication field, particularly, relate to a kind of base station, radio repeater station that is used for radio communication, the wireless communication system of forming by this base station, radio repeater station and user terminal, and be used for the wireless communications method of uplink and downlink data forwarding.
Background technology
Along with express network technology and development of multimedia technology, undergoing an unusual development of wireless network is swift and violent, and the development trend of wireless network evolves to packet switching from circuit switching gradually, and various WiMAX access technologies emerge in an endless stream.The swift and violent wireless network of development recent years has 3-G (Generation Three mobile communication system) (3G, The thirdGeneration Mobile Communication), local multipoint distributed serice (LMDS, LocalMultipoint Distribution Service), multiple spot multichannel distributed system technology (MMDS, Multichannel Multipoint Distribution Service) and WiMax system (WiMAX, Worldwide Interoperability Microwave Access).The wherein outstanding WiMAX system that is based on the IEEE802.16 agreement, it adopts a kind of service area structure of similar honeycomb, provide professional regional classification to be several service areas needs, establish base station (BS in each service area, BaseStation), BS is through putting multiple spot (subscriber station (SS, the Subscriber Station) communication in the PMP, Radio Link Point-to-Multipoint) and service area.
The existing wireless access network network contains base station controller, 3 devices such as traditional base station and conventional terminal. and base station controller communicates with general transmission network by special use between traditional base station, generally passes through wired connection.Fig. 1 is typical packet radio cellular network, and a BS can cover a plurality of SS simultaneously, and BS is sent to a plurality of subscriber station SS to data by the broadcast mode of PMP.Like this, because the existence of a plurality of users and a plurality of business, the uplink downlink of BS is shared by a plurality of users and a plurality of business.
In the WiMAX system based on the IEEE802.16 agreement, existing multi-access mode is OFDM (OFDMA, the wireless frame structure of TDD wireless communication system Orthogonal Frequency Division Multiple Access) has two subframe upstream data subframes and down data subframes as shown in Figure 2.Wherein synchronization burst is used for the same base station synchronization of terminal, and up and descending the allocation of radio resources mode and the code modulation mode of terminal stipulated in the configuration burst.The broadcast burst subscriber board sends broadcast message; Downlink data burst and upstream data burst are carried the base station respectively and are arrived the service in base station data to user and user; Access burst is used for terminal and inserts at random at random.
Existing wireless access system, the throughput rate difference that provides for the user of diverse location is very big: the user throughput rate near from the base station is very big; And because big Radio Link loss, the throughput rate that can provide in the cell edge place is but very low, has caused unjustness and the waste between the user resource used, can't satisfy the requirement of the terminal use's service quality that is in mobile status.In addition on the one hand, because the transmitting power of base station and terminal is limited, determined the limited coverage area of base station, covering is difficult to expand, and has the shadow region that much can not cover simultaneously, and the user can't accept service in these zones.
Above-mentioned two problems all is because the coverage of base station is big inadequately.Broadband wireless communication systems such as WiMAX itself have very big throughput rate, but because the transmitting power of base station and terminal is limited, have determined the coverage of base station.
Summary of the invention
The technical problem that the present invention solves provides a kind of radio communication device, system and method, with the coverage of raising radio communication device (base station), and solves the low problem that has the shadow region that can not cover that reaches of the throughput that can provide at cell edge.
For addressing the above problem, the invention provides a kind of radio communication device, comprising:
The Data Receiving unit, the upstream data sub-frame data that is used to receive and demodulate the downlink relay sub-frame data that come from the base station and comes from user terminal;
Data transmission unit is used for the upstream data coding and is carried on uplink relay subframe sending to the base station, and downlink data is encoded and is carried on sends to user terminal in the down data subframes;
Controlled processing unit is connected with described Data Receiving unit, data transmission unit, is used for the downlink relay sub-frame data that the control data receiving element demodulates, and sends it to data transmission unit, to produce down data subframes; Be used for the upstream data sub-frame data that the control data receiving element demodulates, send it to data transmission unit, to produce uplink relay subframe.
Wherein, this radio communication device further comprises data storage cell, and described data storage cell specifically comprises:
Uplink data storing unit is used to store the upstream data sub-frame data that demodulates;
The downlink data memory cell is used to store the downlink relay sub-frame data that demodulate.
Wherein, described controlled processing unit further comprises:
The upstream data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from uplink data storing unit, and the control data transmitting element sends to the base station with described data generation uplink relay subframe;
The downlink data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from the downlink data memory cell, and the control data transmitting element sends to user terminal with described data generation down data subframes.
Wherein, described uplink data storing unit includes a plurality of push-up storages, and each push-up storage receives the signal of user terminal by corresponding up link;
Described downlink data memory cell includes a plurality of push-up storages, and each push-up storage sends signal by the down link of correspondence to user terminal.
Wherein, on time sequencing, described downlink relay sub-frame is positioned at before the described uplink relay subframe, and described uplink relay subframe is positioned at before the described down data subframes, and described down data subframes is positioned at before the described upstream data subframe.
Wherein, described downlink relay sub-frame comprises:
Synchronization burst carries and is used for described radio communication device and synchronous targeting sequencing is carried out in the base station;
The configuration burst, carry the configuration information of described radio communication device, be used for indicating the coded modulation pattern and the allocation of radio resources situation of the uplink relay subframe uplink relay burst that described radio communication device sends, and the coded modulation pattern and the allocation of radio resources situation of downlink relay burst in the downlink relay sub-frame that described radio communication device received;
The repeat broadcast burst, institute's loaded information includes configuration burst institute loaded information in the down data subframes that described radio communication device sends, the broadcast message that broadcast burst is carried in the described down data subframes, and the Radio Resource obligate information expanded of the downlink data of being used for distributing for each described radio communication device; And
The downlink relay burst carries the downlink data that sends to described radio communication device;
Described uplink relay subframe comprises:
The uplink relay burst carries the upstream data that described radio communication device sends to the base station; And access burst at random, carry the request of access at random that described radio communication device sends to the base station;
Described down data subframes comprises:
Synchronization burst carries user terminal and base station and described radio communication device carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of user terminal, be used for indicating the code modulation mode and the allocation of radio resources situation of upstream data burst and downlink data burst, or be used for indicating the code modulation mode and the allocation of radio resources situation of the burst of down data subframes expanded configuration to user terminal to user terminal;
Expanded configuration happens suddenly, and carries the expanded configuration information of user terminal, is used for indicating to user terminal the code modulation mode and the allocation of radio resources situation of down data subframes downlink data expansion burst;
Broadcast burst carries the broadcast message that is broadcast to user terminal;
Downlink data burst carries the downlink data that sends to A type user terminal; And
Downlink data expansion burst carries the downlink data that sends to the Type B user terminal;
Described upstream data subframe comprises:
Upstream data burst carries the upstream data that user terminal sends; And
Access burst carries the request of access at random that user terminal sends at random.
Wherein, described A type user terminal is for can not distinguish base station and described users of wireless communication devices terminal; Described Type B user terminal is for can distinguish base station and described users of wireless communication devices terminal.
The present invention also provides another kind of radio communication device, comprising:
The Data Receiving unit is used to receive the also data of demodulation upward signal;
Data transmission unit is used for the downstream signal digital coding and sends;
Controlled processing unit, be connected with data transmission unit with the Data Receiving unit, be used for the control data receiving element upstream data sub-frame data demodulation that the radio frames that receives comes from user terminal is come out, and be used for sending in the down data subframes that downlink data that the control data transmitting element will send to user terminal is carried on radio frames;
Wherein, described controlled processing unit also comprises:
The repeating signal control unit, be used for the control data receiving element uplink relay subframe data demodulates that the radio frames that receives comes from radio repeater station is come out, and be used for sending in the downlink relay sub-frame that downlink data that the control data transmitting element will send to radio repeater station is carried on radio frames.
Wherein, described radio frames comprises uplink relay subframe, downlink relay sub-frame, upstream data subframe and down data subframes;
Wherein, on time sequencing, described downlink relay sub-frame is positioned at before the described uplink relay subframe, and described uplink relay subframe is positioned at before the described down data subframes, and described down data subframes is positioned at before the described upstream data subframe.
Wherein, described downlink relay sub-frame comprises:
Synchronization burst carries and is used for described radio communication device and radio repeater station carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of described radio repeater station, be used for indicating the coded modulation pattern and the allocation of radio resources situation of the uplink relay subframe uplink relay burst that described radio repeater station sends, and the coded modulation pattern and the allocation of radio resources situation of downlink relay burst in the downlink relay sub-frame that described radio repeater station received;
The repeat broadcast burst, institute's loaded information includes configuration burst institute loaded information in the down data subframes that described radio repeater station sends, the broadcast message that broadcast burst is carried in the described down data subframes, and the Radio Resource obligate information expanded of the downlink data of being used for distributing for each radio repeater station;
And the downlink relay burst, carry the downlink data that sends to described radio repeater station;
Described uplink relay subframe comprises:
The uplink relay burst carries the upstream data that radio repeater station sends to described radio communication device;
Access burst carries the request of access at random that radio repeater station sends to described radio communication device at random;
Described down data subframes comprises:
Synchronization burst carries user terminal and radio repeater station and described radio communication device carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of user terminal, be used for indicating the code modulation mode and the allocation of radio resources situation of upstream data burst and downlink data burst, or be used for indicating the code modulation mode and the allocation of radio resources situation of the burst of down data subframes expanded configuration to user terminal to user terminal;
Expanded configuration happens suddenly, and carries the expanded configuration information of user terminal, is used for indicating to user terminal the code modulation mode and the allocation of radio resources situation of down data subframes downlink data expansion burst;
Broadcast burst carries the broadcast message that is broadcast to user terminal;
Downlink data burst carries the downlink data that sends to A type user terminal;
Downlink data expansion burst carries the downlink data that sends to the Type B user terminal;
Described upstream data subframe comprises:
Upstream data burst carries the upstream data that user terminal sends;
Access burst carries the request of access at random that user terminal sends at random.
Wherein, described A type user terminal is for can not distinguish base station and described users of wireless communication devices terminal; Described Type B user terminal is for can distinguish base station and described users of wireless communication devices terminal.
The present invention also provides a kind of wireless communication system, comprises base station, user terminal, and base station and user terminal communicate by the uplink and downlink data burst, and wherein, this system also includes:
Radio repeater station, be used for receiving the downlink relay sub-frame data that come from the base station and the downlink data that demodulates is carried on down data subframes and be transmitted to user terminal, and be used for receiving the upstream data sub-frame data that comes from user terminal and the upstream data that demodulates is carried on uplink relay subframe and be transmitted to the base station.
Wherein, described radio repeater station comprises:
The Data Receiving unit, the upstream data sub-frame data that is used for receiving and demodulate the downlink relay sub-frame data of the radio frames that comes from the base station and comes from user terminal;
Data transmission unit is used for upstream data coding and is carried in the uplink relay subframe of radio frames sending to the base station, with the downlink data coding and be carried on and send to user terminal in the down data subframes;
Controlled processing unit is connected with described Data Receiving unit, data transmission unit, is used for the downlink relay sub-frame data that the control data receiving element demodulates, and sends it to data transmission unit, to produce down data subframes; And be used for the upstream data sub-frame data that the control data receiving element demodulates, send it to data transmission unit, to produce uplink relay subframe.
Wherein, described radio repeater station further comprises data storage cell, and described data storage cell specifically comprises:
Uplink data storing unit is used to store the upstream data sub-frame data that demodulates;
The downlink data memory cell is used to store the downlink relay sub-frame data that demodulate.
Wherein, described controlled processing unit further comprises:
The upstream data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from uplink data storing unit, and the control data transmitting element sends to the base station with described data generation uplink relay subframe;
The downlink data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from the downlink data memory cell, and the control data transmitting element sends to user terminal with described data generation down data subframes.
Wherein, described uplink data storing unit includes a plurality of push-up storages, and each push-up storage receives the signal of user terminal by corresponding up link;
Described downlink data memory cell includes a plurality of push-up storages, and each push-up storage sends signal by the down link of correspondence to user terminal.
Wherein, described base station comprises:
The Data Receiving unit is used to receive the also data of demodulation upward signal;
Data transmission unit is used for the downstream signal digital coding and sends;
The terminal signaling control unit, be used for the upstream data sub-frame data demodulation that comes from user terminal that the control data receiving element will receive and come out, and be used for downlink data that the control data transmitting element will send to user terminal and be carried on down data subframes and send;
The repeating signal control unit, be used for the uplink relay subframe data demodulates that comes from radio repeater station that the control data receiving element will receive and come out, and be used for downlink data that the control data transmitting element will send to radio repeater station and be carried on downlink relay sub-frame and send.
Wherein, described user terminal comprises: the A type user terminal and the Type B user terminal that can distinguish base station and radio repeater station that can not distinguish base station and radio repeater station.
Wherein, described radio frames comprises uplink relay subframe, downlink relay sub-frame, upstream data subframe and down data subframes;
Wherein, on time sequencing, described downlink relay sub-frame is positioned at the front of described uplink relay subframe, and described uplink relay subframe is positioned at the front of described down data subframes, and described down data subframes is positioned at the front of described upstream data subframe.
Wherein, described downlink relay sub-frame comprises:
Synchronization burst carries and is used for radio repeater station and synchronous targeting sequencing is carried out in the base station;
The configuration burst, carry the configuration information of radio repeater station, be used for indicating the coded modulation pattern and the allocation of radio resources situation of the uplink relay subframe uplink relay burst that radio repeater station sends, and the coded modulation pattern and the allocation of radio resources situation of downlink relay burst in the downlink relay sub-frame that radio repeater station received;
The repeat broadcast burst, institute's loaded information includes configuration burst institute loaded information in the down data subframes that radio repeater station sends, the broadcast message that broadcast burst is carried in the described down data subframes, and the Radio Resource obligate information expanded of the downlink data of being used for distributing for each radio repeater station;
And the downlink relay burst, carry the downlink data that sends to radio repeater station;
Described uplink relay subframe comprises:
The uplink relay burst carries the upstream data that radio repeater station sends to the base station;
Access burst carries the request of access at random that radio repeater station sends to the base station at random;
Described down data subframes comprises:
Synchronization burst carries user terminal and base station and radio repeater station and carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of user terminal, be used for indicating the code modulation mode and the allocation of radio resources situation of upstream data burst and downlink data burst, or be used for indicating the code modulation mode and the allocation of radio resources situation of the burst of down data subframes expanded configuration to user terminal to user terminal;
Expanded configuration happens suddenly, and carries the expanded configuration information of user terminal, is used for indicating to user terminal the code modulation mode and the allocation of radio resources situation of down data subframes downlink data expansion burst;
Broadcast burst carries the broadcast message that is broadcast to user terminal;
Downlink data burst carries the downlink data that sends to A type user terminal;
Downlink data expansion burst carries the downlink data that sends to the Type B user terminal;
Described upstream data subframe comprises:
Upstream data burst carries the upstream data that user terminal sends;
Access burst carries the request of access at random that user terminal sends at random.
Correspondingly the present invention also provides a kind of wireless communications method, is used to carry out downlink data and transmits, and it realizes that in the wireless communication system that includes base station, radio repeater station and user terminal this method comprises:
A, base station send to radio repeater station and carry the configuration information of radio repeater station, the configuration information of user terminal and the downlink relay sub-frame of downlink data;
B, radio repeater station receive and demodulate this downlink relay sub-frame according to the configuration information of described radio repeater station, and the configuration information of described user terminal and downlink data be carried in the down data subframes send to user terminal;
Receive and demodulate downlink data on the specified Radio Resource of c, the configuration information of user terminal in described down data subframes.
Wherein, step b specifically may further comprise the steps:
B1, radio repeater station receive and demodulate this downlink relay sub-frame, store described downlink data into the downlink data memory;
B2, radio repeater station select the high data of priority to produce down data subframes from the downlink data memory according to the priority level of business, and the configuration information of described user terminal is carried on wherein sends to user terminal.
Wherein, the configuration information of the configuration information of radio repeater station, user terminal and downlink data described in the step a are carried on respectively in configuration burst, repeat broadcast burst and the downlink relay burst of downlink relay sub-frame;
The configuration information of user terminal described in the step b and downlink data are carried on respectively in the configuration burst and downlink data burst of down data subframes.
Wherein:
The configuration information of radio repeater station described in the step a is used for indicating the code modulation mode and the allocation of radio resources situation of the downlink relay sub-frame downlink relay burst that described radio repeater station receives;
The configuration information of user terminal described in step a, b, the c is used for indicating information of radio resource allocation and the code modulation mode of user terminal at the downlink data burst of down data subframes.
The present invention also provides another kind of wireless communications method, is used to carry out downlink data and transmits, and it realizes that in the wireless communication system that includes base station, radio repeater station and user terminal this method comprises:
A, radio repeater station are configured user terminal, and send the notice that can send downlink data to the base station;
B, base station send the downlink relay sub-frame of the expanded configuration burst information of the configuration information, downlink data and the radio repeater station that carry radio repeater station to radio repeater station;
C, radio repeater station receive and demodulate downlink data according to the configuration information of described radio repeater station, and the configuration information of downlink data and user terminal and expanded configuration information is carried in the down data subframes sends to user terminal;
D, user terminal obtain the configuration information and the described expanded configuration information of described user terminal, and receive and the demodulation downlink data on the Radio Resource of expanded configuration information appointment.
Wherein, steps A specifically may further comprise the steps:
A1, base station send the downlink relay sub-frame of the configuration information that carries user terminal to radio repeater station;
A2, radio repeater station receive described downlink relay sub-frame, and the configuration information of described user terminal is carried in the down data subframes sends to user terminal;
A3, user terminal send the upstream data subframe on the Radio Resource of described configuration information appointment;
A4, wireless relay stand in the described upstream data subframe measurement quality of wireless channel that user terminal sends;
A5, radio repeater station send the notice that can send downlink data to the base station.
Wherein, step C specifically may further comprise the steps:
C1, radio repeater station receive according to the configuration information of described radio repeater station and demodulate downlink data, and are stored to the downlink data memory;
C2, radio repeater station select the high data of priority so that it is carried in the down data subframes from the downlink data memory according to the priority level of business;
C3, radio repeater station with described expanded configuration burst information as the configuration information of user terminal so that it is carried in the down data subframes;
C4, radio repeater station calculate the expanded configuration information of user terminal according to the priority and the described quality of wireless channel of data selected;
The described downlink data that C5, radio repeater station will choose and the described configuration information of user terminal and described expanded configuration information-bearing send to user terminal in down data subframes.
Wherein, the expanded configuration burst information of the configuration information of radio repeater station, downlink data and radio repeater station described in the step B is carried on respectively in configuration burst, downlink relay burst and the repeat broadcast burst of downlink relay sub-frame;
The described configuration information of downlink data described in the step C, user terminal and described expanded configuration information are carried on respectively in downlink data expansion burst, configuration burst and the expanded configuration burst of down data subframes.
Wherein, the configuration information of user terminal described in the steps A 1 is carried in the repeat broadcast burst of downlink relay sub-frame;
The configuration information of user terminal described in the steps A 2 is carried in the configuration burst of down data subframes.
Wherein, the configuration information of described radio repeater station is used for indicating the code modulation mode and the allocation of radio resources situation of the downlink relay sub-frame downlink relay burst that described radio repeater station receives;
The configuration information of described user terminal is used for indicating Radio Resource situation and the code modulation mode of user terminal in the expanded configuration burst of down data subframes;
The expanded configuration information of described user terminal is used for indicating Radio Resource situation and the code modulation mode of user terminal in the downlink data expansion burst of down data subframes.
Wherein, the configuration information of described user terminal is used for indicating information of radio resource allocation and the code modulation mode of user terminal in the upstream data burst of upstream data subframe.
Correspondingly, the present invention also provides a kind of wireless communications method, is used to carry out upstream data and transmits, and it realizes that in the wireless communication system that includes base station, radio repeater station and user terminal this method comprises:
Step 1, base station send the downlink relay sub-frame of the configuration information of the configuration information carry radio repeater station and user terminal to radio repeater station;
Step 2, radio repeater station receive the configuration information of described user terminal, and it is carried in the down data subframes sends to user terminal;
Step 3, user terminal are obtained the configuration information of described user terminal, and send the upstream data subframe that carries upstream data to radio repeater station on the Radio Resource of its appointment;
Step 4, radio repeater station receive and demodulate the upstream data in the described upstream data subframe, and according to the configuration information of described radio repeater station upstream data are carried on and send to the base station in the uplink relay subframe.
Wherein, described step 4 specifically comprises:
Step 41, radio repeater station receive and demodulate the upstream data in the described upstream data subframe, are stored to the upstream data memory;
Step 42, radio repeater station selects the high upstream data generation uplink relay subframe of priority to send to the base station from the upstream data memory according to the priority level of business.
Wherein, the configuration information of the configuration information of radio repeater station described in the step 1 and described user terminal and be carried on the configuration burst of downlink relay sub-frame respectively and the repeat broadcast burst in;
The configuration information of user terminal described in the step 2 is carried in the configuration burst of down data subframes;
Upstream data described in the step 3 is carried in the upstream data burst of upstream data subframe;
Upstream data described in the step 4 is carried in the uplink relay burst of uplink relay subframe.
Wherein, the configuration information of radio repeater station described in the step 1 is used for indicating the code modulation mode and the allocation of radio resources situation of the uplink relay subframe uplink relay burst of radio repeater station;
The configuration information of user terminal described in the step 1,2,3 is used for indicating information of radio resource allocation and the code modulation mode of user terminal in the upstream data burst of upstream data subframe.
The present invention has following beneficial effect: the present invention is by making amendment to original base station and introducing new relay station and formed a kind of new wireless communication system, and the upstream data that user terminal is sent by increase downlink relay sub-frame and uplink relay subframe in wireless frame structure is transmitted to the base station by radio repeater station, the downlink data that the base station sends is transmitted to user terminal by radio repeater station, thereby realized the proper communication of this wireless communication system, therefore improved the coverage of base station greatly, the low problem that has the shadow region that can not cover that reaches of the throughput that has solved cell edge.
Description of drawings
Fig. 1 is a typical packet radio cellular network in the prior art;
Fig. 2 is the wireless frame structure figure of the TDD wireless communication system of OFDM for multi-access mode of the prior art;
Fig. 3 is the wireless communication system schematic diagram among the present invention;
Fig. 4 is the wireless frame structure figure among the present invention;
Fig. 5 forms schematic diagram for the functional unit of the base station among the present invention;
Fig. 6 forms schematic diagram for the functional unit of the radio repeater station among the present invention;
Fig. 7 is the downlink data retransmission method flow chart in embodiment of the present invention one;
Fig. 8 is the downlink data retransmission method flow chart in embodiment of the present invention two;
Fig. 9 is the upstream data retransmission method flow chart among the present invention.
Embodiment
For ease of more being expressly understood the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
The present invention has formed a kind of new wireless communication system, as shown in Figure 3 by new radio repeater station is improved and introduced in base station of the prior art.Wireless communication system provided by the invention comprises base station 1, radio repeater station 2 and user terminal 3.Base station 1 can directly communicate by upstream data subframe and down data subframes as legacy wireless communication system with user terminal 3, also the uplink and downlink data can be transmitted to the other side mutually by radio repeater station 2.Promptly, radio repeater station 2 can receive the downlink relay sub-frame data that come from base station 1 and the downlink data that demodulates is carried on and be transmitted to user terminal 3 in the down data subframes, can also receive the upstream data sub-frame data that comes from user terminal 3 and the upstream data that demodulates is carried on and be transmitted to base station 1 in the uplink relay subframe, thereby finish the communication of this wireless communication system.
Contain 4 kind of means in this system: base station, radio repeater station, A type user terminal and Type B user terminal.A type user terminal is meant the terminal equipment that meets traditional standard, can communicate by letter with radio repeater station with the base station among the present invention, but can't distinguish base station and radio repeater station.Work in the Type B user terminal wireless communication system in the present invention, can distinguish base station and radio repeater station.
From the above, for realizing the forwarding of uplink and downlink data in native system, among the present invention wireless frame structure has been done improvement.The radio frames that base station and radio repeater station receive, send among the present invention has increased downlink relay sub-frame and uplink relay subframe, and its frame structure comprises downlink relay sub-frame, uplink relay subframe, down data subframes and upstream data subframe as shown in Figure 4.
Comprise synchronization burst, configuration burst, repeat broadcast burst and the burst of a plurality of downlink relay in the downlink relay sub-frame.Wherein carry targeting sequencing in the synchronization burst, be used for relay station and carry out synchronously with the base station; The configuration information of carrying is used to indicate code modulation mode and the allocation of radio resources mode corresponding to the downlink relay burst of relay station in the configuration burst, and the coded modulation pattern and the allocation of radio resources mode of the burst of the uplink relay of the uplink relay subframe of relay station; Repeat broadcast burst has comprised configuration burst loaded information in the down data subframes of relay station, the broadcast message that sends to terminal of the broadcast burst of relay station carrying, and the Radio Resource obligate information of giving the downlink data expansion that each relay station is used for distributing; The downlink relay burst is used to carry the downlink data that sends to relay station.
Comprise uplink relay burst and access burst at random in the uplink relay subframe.Wherein carried the upstream data information that sends to the base station in the uplink relay burst; Carried the request of access at random that relay station sends to the base station at random in the access burst.
Comprise synchronization burst in the down data subframes, configuration burst, expanded configuration burst, broadcast burst, downlink data burst and downlink data expansion burst.Wherein carry targeting sequencing in the synchronization burst, the terminal that is used for two types is carried out synchronously with base station and relaying place device; Carry configuration information in the configuration burst, be used for indicating the coded modulation pattern and the allocation of radio resources mode of upstream data burst and downlink data burst, also indicate the coded modulation pattern and the allocation of radio resources mode of expanded configuration burst to the Type B terminal to A type terminal; Carry expanded configuration information in the expanded configuration burst, can be used for indicating coded modulation pattern and the allocation of radio resources mode that the downlink data expansion happens suddenly to the Type B terminal; Broadcast burst is used to carry the broadcast message that is broadcast to terminal.Downlink data burst is used to carry the downlink data information that sends to terminal.Downlink data expansion burst is used to carry the downlink data information that sends to the Type B terminal.In down data subframes, the base station sends identical synchronization burst with relay station on identical Radio Resource, sends identical configuration burst on identical Radio Resource, sends identical broadcast burst on identical Radio Resource.
The upstream data subframe comprises upstream data burst and access burst at random.Wherein upstream data burst is used to carry the upstream data information of two types terminal; Access burst is used to carry the request of access at random that two types terminal is sent at random.
Below in conjunction with Fig. 5 into detailed description is done in the base station among the present invention.This base station comprises: Data Receiving unit 11, data transmission unit 12 and controlled processing unit 13.Data Receiving unit 11 is used to receive the also data of demodulation upward signal; Data transmission unit 12 is used for the downstream signal digital coding and sends.
Controlled processing unit 13 is connected with data transmission unit 12 with Data Receiving unit 11, is used for storage and carries out base station control method of the present invention, and it further comprises terminal signaling control unit 131 and repeating signal control unit 132.Terminal signaling control unit 131 is used for the control data receiving element upstream data sub-frame data demodulation that the radio frames that receives comes from user terminal is come out, and is used for sending in the down data subframes that downlink data that the control data transmitting element will send to user terminal is carried on radio frames; Repeating signal control unit 132 is used for the control data receiving element uplink relay subframe data demodulates that the radio frames that receives comes from radio repeater station is come out, and is used for sending in the downlink relay sub-frame that downlink data that the control data transmitting element will send to radio repeater station is carried on radio frames.
Wherein, the frame structure of described radio frames as previously mentioned.
In addition, as a kind of known technology, the base station also should include antenna 14 and duplexer 15.Antenna 14 is used for receiving and transmitting; Duplexer 15 is connected with Data Receiving unit 11, data transmission unit 12 with antenna 14, is used for sending the signal that antenna 14 receives to Data Receiving unit 11 and handles, and the signal that data transmission unit 12 is sent is issued antenna 14 and launched.
In conjunction with Fig. 6 the radio repeater station among the present invention is elaborated again.As shown in the figure, this radio repeater station comprises: Data Receiving unit 21, data transmission unit 22 and controlled processing unit 23.Data Receiving unit 21 is used for receiving and demodulating the upstream data sub-frame data that radio frames comes from the downlink relay sub-frame data of base station and comes from user terminal; Data transmission unit 22 is used for upstream data coding and is carried in the uplink relay subframe of radio frames sending to the base station, with the downlink data coding and be carried in the down data subframes in the radio frames and send to user terminal;
In actual conditions, often because the data that will transmit are bigger, and channel quality can't satisfy the demand that it is transmitted immediately, at this moment, as a kind of execution mode, radio repeater station can also comprise data storage cell 24, and it specifically comprises uplink data storing unit 24-1 and downlink data memory cell 24-2, is used for the data that buffer memory will be transmitted to base station and user terminal.Uplink data storing unit 24-1 is used to store the upstream data sub-frame data that demodulates; Downlink data memory cell 24-2 is used to store the downlink relay sub-frame data that demodulate.Described uplink data storing unit 24-1 and downlink data memory cell 24-2 are made up of a plurality of first in first out (FIFO) memory respectively.Each user terminal is communicated by letter by a pair of uplink downlink with radio repeater station.Radio repeater station uses down link when user terminal converting downlink data, every down link links to each other with a FIFO memory among the downlink data memory cell 24-2; User terminal uses up link when radio repeater station sends data, every up link links to each other with a FIFO memory among the uplink data storing unit 24-1.
Controlled processing unit 23 is connected with described Data Receiving unit, data transmission unit, is used for the downlink relay sub-frame data that the control data receiving element demodulates, and sends it to data transmission unit to produce down data subframes; And be used for the upstream data sub-frame data that the control data receiving element demodulates, send it to data transmission unit, to produce uplink relay subframe.
Corresponding to uplink data storing unit 24-1 and downlink data memory cell 24-2, as a kind of execution mode, controlled processing unit 23 can also comprise upstream data control unit 23-1 and downlink data control unit 23-2.Upstream data control unit 23-1 is used for selecting the high data of priority to send to data transmission unit according to the priority level of business from uplink data storing unit, and the control data transmitting element sends to the base station with described data generation uplink relay subframe; Downlink data control unit 23-2 is used for selecting the high data of priority to send to data transmission unit according to the priority level of business from the downlink data memory cell, and the control data transmitting element sends to user terminal with described data generation down data subframes.
Wherein, the frame structure of described radio frames as previously mentioned.
In addition and the base station similar, as well known to those skilled in the art, also should comprise dual-mode antenna as a kind of radio communication device radio repeater station, as a kind of execution mode, can realize with the antenna 25 and the duplexer 26 of standard.Antenna 25 is used for receiving and transmitting; Duplexer 26 is connected with Data Receiving unit 21, data transmission unit 22 with antenna 25, is used for sending the signal that antenna 25 receives to Data Receiving unit 21 and handles, and the signal that data transmission unit 22 is sent is issued antenna 25 and launched.
In the wireless communication system of being made up of above-mentioned base station, above-mentioned radio repeater station and user terminal, radio repeater station is transmitted to user terminal with the downlink data of base station, the upstream data of user terminal is transmitted to the base station, to realize normal communication.Retransmission method below in conjunction with Fig. 7 and two kinds of execution modes detailed descriptions of Fig. 8 downlink data.
Downlink data retransmission method execution mode one: as shown in Figure 7, in the present embodiment, user terminal is an A type user terminal, and promptly this user terminal can't be distinguished base station and radio repeater station.Its method flow is as follows:
Step S701, the base station sends to radio repeater station and carries the configuration information of radio repeater station, the configuration information of user terminal and the downlink relay sub-frame of downlink data;
Wherein, the configuration information of the configuration information of described radio repeater station, user terminal and downlink data are carried on respectively in configuration burst, repeat broadcast burst and the downlink relay burst of downlink relay sub-frame.The configuration information of described radio repeater station is used for indicating the code modulation mode and the allocation of radio resources situation of the downlink relay sub-frame downlink relay burst that described radio repeater station receives.
Step S702, radio repeater station receive and also to demodulate this downlink relay sub-frame, and the configuration information of described user terminal and downlink data be carried in the down data subframes send to user terminal;
For the radio repeater station that comprises the downlink data memory, this step specifically can may further comprise the steps:
Step S702-1, radio repeater station receives and demodulates this downlink relay sub-frame, stores described downlink data into the downlink data memory;
Step S702-2, radio repeater station selects the high data of priority to produce down data subframes from the downlink data memory according to the priority level of business, and the configuration information of described user terminal is carried on wherein sends to user terminal.
Wherein, the configuration information of described user terminal and downlink data are carried on respectively in the configuration burst and downlink data burst of down data subframes.
Step S703, downlink data receiving on the specified Radio Resource of the configuration information of user terminal in described down data subframes.
In above-mentioned steps, the configuration information of described user terminal is used for indicating information of radio resource allocation and the code modulation mode of user terminal at the downlink data burst of down data subframes.
Downlink data retransmission method execution mode two: as shown in Figure 8, in the present embodiment, user terminal is the Type B user terminal, and promptly this user terminal can be distinguished base station and radio repeater station.In the system that uses this kind user terminal, can be by measuring the quality of wireless channel of user terminal, and in conjunction with the priority of the data from the FIFO memory, chosen, calculate the allocation of radio resources situation and the code modulation mode thereof of the downlink data burst that is fit to this user terminal, thereby further improve communication quality.Its method flow is as follows:
Step S801, radio repeater station is configured user terminal, and sends the notice that can send downlink data to the base station;
This step comprises following step:
Step S801-1, the base station sends the downlink relay sub-frame of the configuration information that carries user terminal to radio repeater station;
Step S801-2, radio repeater station receive and the described downlink relay sub-frame of demodulation, and the configuration information of described user terminal is carried in the down data subframes sends to user terminal;
Step S801-3, user terminal send the upstream data subframe on the Radio Resource of described configuration information appointment;
Step S801-4, wireless relay stand in the described upstream data subframe measurement quality of wireless channel that user terminal sends;
Step S801-5, radio repeater station send the notice that can send downlink data to the base station.
Wherein, the configuration information of user terminal described in the step S801-1 is carried in the repeat broadcast burst of downlink relay sub-frame; The configuration information of user terminal described in the step S801-2 is carried in the configuration burst of down data subframes.
Wherein, the configuration information of described user terminal is used for indicating information of radio resource allocation and the code modulation mode of user terminal in the upstream data burst of upstream data subframe.
Step S802, the base station sends the downlink relay sub-frame of the expanded configuration burst information of the configuration information, downlink data and the radio repeater station that carry radio repeater station to radio repeater station;
Wherein, the expanded configuration burst information of the configuration information of described radio repeater station, downlink data and radio repeater station is carried on respectively in configuration burst, downlink relay burst and the repeat broadcast burst of downlink relay sub-frame.The configuration information of described radio repeater station is used for indicating the code modulation mode and the allocation of radio resources situation of the downlink relay sub-frame downlink relay burst that described radio repeater station receives.
Step S803, radio repeater station receives and demodulates downlink data according to the configuration information of described radio repeater station, and the configuration information of downlink data and user terminal and expanded configuration information is carried in the down data subframes sends to user terminal;
This step comprises following step:
Step S803-1, radio repeater station receives according to the configuration information of described radio repeater station and demodulates downlink data, and is stored to the downlink data memory;
Step S803-2, radio repeater station selects the high data of priority so that it is carried in the down data subframes from the downlink data memory according to the priority level of business;
Step S803-3, radio repeater station with described expanded configuration burst information as the configuration information of user terminal so that it is carried in the down data subframes;
Step S803-4, radio repeater station calculate the expanded configuration information of user terminal according to the priority and the described quality of wireless channel of data selected;
The described downlink data that step S803-5, radio repeater station will choose and the described configuration information of user terminal and described expanded configuration information-bearing send to user terminal in down data subframes.
Wherein, the described configuration information of described downlink data, user terminal and described expanded configuration information are carried on respectively in downlink data expansion burst, configuration burst and the expanded configuration burst of down data subframes.The configuration information of described user terminal is used for indicating Radio Resource situation and the code modulation mode of user terminal in the expanded configuration burst of down data subframes; The expanded configuration information of described user terminal is used for indicating Radio Resource situation and the code modulation mode of user terminal in the downlink data expansion burst of down data subframes.
Step S804, user terminal obtain the configuration information and the described expanded configuration information of described user terminal, and receive and the demodulation downlink data on the Radio Resource of expanded configuration information appointment.
Certainly, the downlink data between Type B user terminal and base station, the radio repeater station is transmitted and also can be used the downlink data retransmission method of execution mode one to realize.
In conjunction with Fig. 9 the retransmission method of upstream data among the present invention is elaborated again below.User terminal in the present embodiment comprises A type user terminal and Type B user terminal.Its step is as follows:
Step S901, the base station sends the downlink relay sub-frame of the configuration information of the configuration information carry radio repeater station, user terminal to radio repeater station;
Wherein, the configuration information of the configuration information of described radio repeater station and described user terminal and be carried on the configuration burst of downlink relay sub-frame respectively and the repeat broadcast burst in.The configuration information of described radio repeater station is used for indicating the code modulation mode and the allocation of radio resources situation of the uplink relay subframe uplink relay burst of radio repeater station.
Step S902, radio repeater station receive and demodulate the configuration information of described user terminal, and it is carried in the down data subframes sends to user terminal;
Wherein, the configuration information of described user terminal is carried in the configuration burst of down data subframes.
Step S903, user terminal obtain described configuration information, and send the upstream data subframe that carries upstream data to radio repeater station on the Radio Resource of its appointment;
Wherein, described upstream data is carried in the upstream data burst of upstream data subframe.
Step S904, radio repeater station receive and demodulate the upstream data in the described upstream data subframe, and according to the configuration information of described radio repeater station it are carried on and send to the base station in the uplink relay subframe.
This step specifically may further comprise the steps:
Step S904-1, radio repeater station receive and demodulate the upstream data in the described upstream data subframe, are stored to the upstream data memory;
Step S904-2, radio repeater station selects the high upstream data generation uplink relay subframe of priority to send to the base station from the upstream data memory according to the priority level of business.
Wherein, described upstream data is carried in the uplink relay burst of uplink relay subframe.
In the above step, the configuration information of described user terminal is used for indicating information of radio resource allocation and the code modulation mode of user terminal in the upstream data burst of upstream data subframe.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as within protection scope of the present invention.

Claims (35)

1. a radio communication device is characterized in that, comprising:
The Data Receiving unit, the upstream data sub-frame data that is used to receive and demodulate the downlink relay sub-frame data that come from the base station and comes from user terminal;
Data transmission unit is used for the upstream data coding and is carried on uplink relay subframe sending to the base station, and downlink data is encoded and is carried on sends to user terminal in the down data subframes;
Controlled processing unit is connected with described Data Receiving unit, data transmission unit, is used for the downlink relay sub-frame data that the control data receiving element demodulates, and sends it to data transmission unit, to produce down data subframes; Be used for the upstream data sub-frame data that the control data receiving element demodulates, send it to data transmission unit, to produce uplink relay subframe.
2. radio communication device as claimed in claim 1 is characterized in that, further comprises data storage cell, and described data storage cell specifically comprises:
Uplink data storing unit is used to store the upstream data sub-frame data that demodulates;
The downlink data memory cell is used to store the downlink relay sub-frame data that demodulate.
3. radio communication device as claimed in claim 1 or 2 is characterized in that, described controlled processing unit further comprises:
The upstream data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from uplink data storing unit, and the control data transmitting element sends to the base station with described data generation uplink relay subframe;
The downlink data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from the downlink data memory cell, and the control data transmitting element sends to user terminal with described data generation down data subframes.
4. radio communication device as claimed in claim 2 is characterized in that,
Described uplink data storing unit includes a plurality of push-up storages, and each push-up storage receives the signal of user terminal by corresponding up link;
Described downlink data memory cell includes a plurality of push-up storages, and each push-up storage sends signal by the down link of correspondence to user terminal.
5. radio communication device as claimed in claim 1, it is characterized in that, on time sequencing, described downlink relay sub-frame is positioned at before the described uplink relay subframe, described uplink relay subframe is positioned at before the described down data subframes, and described down data subframes is positioned at before the described upstream data subframe.
6. radio communication device as claimed in claim 1 is characterized in that,
Described downlink relay sub-frame comprises:
Synchronization burst carries and is used for described radio communication device and synchronous targeting sequencing is carried out in the base station;
The configuration burst, carry the configuration information of described radio communication device, be used for indicating the coded modulation pattern and the allocation of radio resources situation of the uplink relay subframe uplink relay burst that described radio communication device sends, and the coded modulation pattern and the allocation of radio resources situation of downlink relay burst in the downlink relay sub-frame that described radio communication device received;
The repeat broadcast burst, institute's loaded information includes configuration burst institute loaded information in the down data subframes that described radio communication device sends, the broadcast message that broadcast burst is carried in the described down data subframes, and the Radio Resource obligate information expanded of the downlink data of being used for distributing for each described radio communication device; And
The downlink relay burst carries the downlink data that sends to described radio communication device;
Described uplink relay subframe comprises:
The uplink relay burst carries the upstream data that described radio communication device sends to the base station; And
Access burst carries the request of access at random that described radio communication device sends to the base station at random;
Described down data subframes comprises:
Synchronization burst carries user terminal and base station and described radio communication device carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of user terminal, be used for indicating the code modulation mode and the allocation of radio resources situation of upstream data burst and downlink data burst, or be used for indicating the code modulation mode and the allocation of radio resources situation of the burst of down data subframes expanded configuration to user terminal to user terminal;
Expanded configuration happens suddenly, and carries the expanded configuration information of user terminal, is used for indicating to user terminal the code modulation mode and the allocation of radio resources situation of down data subframes downlink data expansion burst;
Broadcast burst carries the broadcast message that is broadcast to user terminal;
Downlink data burst carries the downlink data that sends to A type user terminal; And
Downlink data expansion burst carries the downlink data that sends to the Type B user terminal;
Described upstream data subframe comprises:
Upstream data burst carries the upstream data that user terminal sends; And
Access burst carries the request of access at random that user terminal sends at random.
7. radio communication device as claimed in claim 6 is characterized in that, described A type user terminal is for can not distinguish base station and described users of wireless communication devices terminal; Described Type B user terminal is for can distinguish base station and described users of wireless communication devices terminal.
8. radio communication device includes:
The Data Receiving unit is used to receive the also data of demodulation upward signal;
Data transmission unit is used for the downstream signal digital coding and sends;
Controlled processing unit, be connected with data transmission unit with the Data Receiving unit, be used for the control data receiving element upstream data sub-frame data demodulation that the radio frames that receives comes from user terminal is come out, and be used for sending in the down data subframes that downlink data that the control data transmitting element will send to user terminal is carried on radio frames;
It is characterized in that described controlled processing unit also comprises:
The repeating signal control unit, be used for the control data receiving element uplink relay subframe data demodulates that the radio frames that receives comes from radio repeater station is come out, and be used for sending in the downlink relay sub-frame that downlink data that the control data transmitting element will send to radio repeater station is carried on radio frames.
9. radio communication device as claimed in claim 8 is characterized in that, described radio frames comprises uplink relay subframe, downlink relay sub-frame, upstream data subframe and down data subframes;
Wherein, on time sequencing, described downlink relay sub-frame is positioned at before the described uplink relay subframe, and described uplink relay subframe is positioned at before the described down data subframes, and described down data subframes is positioned at before the described upstream data subframe.
10. radio communication device as claimed in claim 8 is characterized in that,
Described downlink relay sub-frame comprises:
Synchronization burst carries and is used for described radio communication device and radio repeater station carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of described radio repeater station, be used for indicating the coded modulation pattern and the allocation of radio resources situation of the uplink relay subframe uplink relay burst that described radio repeater station sends, and the coded modulation pattern and the allocation of radio resources situation of downlink relay burst in the downlink relay sub-frame that described radio repeater station received;
The repeat broadcast burst, institute's loaded information includes configuration burst institute loaded information in the down data subframes that described radio repeater station sends, the broadcast message that broadcast burst is carried in the described down data subframes, and the Radio Resource obligate information expanded of the downlink data of being used for distributing for each radio repeater station;
And the downlink relay burst, carry the downlink data that sends to described radio repeater station;
Described uplink relay subframe comprises:
The uplink relay burst carries the upstream data that radio repeater station sends to described radio communication device;
Access burst carries the request of access at random that radio repeater station sends to described radio communication device at random;
Described down data subframes comprises:
Synchronization burst carries user terminal and radio repeater station and described radio communication device carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of user terminal, be used for indicating the code modulation mode and the allocation of radio resources situation of upstream data burst and downlink data burst, or be used for indicating the code modulation mode and the allocation of radio resources situation of the burst of down data subframes expanded configuration to user terminal to user terminal;
Expanded configuration happens suddenly, and carries the expanded configuration information of user terminal, is used for indicating to user terminal the code modulation mode and the allocation of radio resources situation of down data subframes downlink data expansion burst;
Broadcast burst carries the broadcast message that is broadcast to user terminal;
Downlink data burst carries the downlink data that sends to A type user terminal;
Downlink data expansion burst carries the downlink data that sends to the Type B user terminal;
Described upstream data subframe comprises:
Upstream data burst carries the upstream data that user terminal sends;
Access burst carries the request of access at random that user terminal sends at random.
11. radio communication device as claimed in claim 10 is characterized in that, described A type user terminal is for can not distinguish base station and described users of wireless communication devices terminal; Described Type B user terminal is for can distinguish base station and described users of wireless communication devices terminal.
12. a wireless communication system comprises base station, user terminal, base station and user terminal communicate by the uplink and downlink data burst, it is characterized in that, also include:
Radio repeater station, be used for receiving the downlink relay sub-frame data that come from the base station and the downlink data that demodulates is carried on down data subframes and be transmitted to user terminal, and be used for receiving the upstream data sub-frame data that comes from user terminal and the upstream data that demodulates is carried on uplink relay subframe and be transmitted to the base station.
13. wireless communication system as claimed in claim 12 is characterized in that, described radio repeater station comprises:
The Data Receiving unit, the upstream data sub-frame data that is used for receiving and demodulate the downlink relay sub-frame data of the radio frames that comes from the base station and comes from user terminal;
Data transmission unit is used for upstream data coding and is carried in the uplink relay subframe of radio frames sending to the base station, with the downlink data coding and be carried on and send to user terminal in the down data subframes;
Controlled processing unit is connected with described Data Receiving unit, data transmission unit, is used for the downlink relay sub-frame data that the control data receiving element demodulates, and sends it to data transmission unit, to produce down data subframes; And be used for the upstream data sub-frame data that the control data receiving element demodulates, send it to data transmission unit, to produce uplink relay subframe.
14. wireless communication system as claimed in claim 13 is characterized in that, described radio repeater station further comprises data storage cell, and described data storage cell specifically comprises:
Uplink data storing unit is used to store the upstream data sub-frame data that demodulates;
The downlink data memory cell is used to store the downlink relay sub-frame data that demodulate.
15., it is characterized in that it is characterized in that, described controlled processing unit further comprises as claim 13 or 14 described wireless communication systems:
The upstream data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from uplink data storing unit, and the control data transmitting element sends to the base station with described data generation uplink relay subframe;
The downlink data control unit be used for selecting the high data of priority to send to data transmission unit according to the priority level of business from the downlink data memory cell, and the control data transmitting element sends to user terminal with described data generation down data subframes.
16. wireless communication system as claimed in claim 15 is characterized in that,
Described uplink data storing unit includes a plurality of push-up storages, and each push-up storage receives the signal of user terminal by corresponding up link;
Described downlink data memory cell includes a plurality of push-up storages, and each push-up storage sends signal by the down link of correspondence to user terminal.
17. wireless communication system as claimed in claim 12 is characterized in that, described base station comprises:
The Data Receiving unit is used to receive the also data of demodulation upward signal;
Data transmission unit is used for the downstream signal digital coding and sends;
The terminal signaling control unit, be used for the upstream data sub-frame data demodulation that comes from user terminal that the control data receiving element will receive and come out, and be used for downlink data that the control data transmitting element will send to user terminal and be carried on down data subframes and send;
The repeating signal control unit, be used for the uplink relay subframe data demodulates that comes from radio repeater station that the control data receiving element will receive and come out, and be used for downlink data that the control data transmitting element will send to radio repeater station and be carried on downlink relay sub-frame and send.
18. wireless communication system as claimed in claim 12 is characterized in that, described user terminal comprises: the A type user terminal and the Type B user terminal that can distinguish base station and radio repeater station that can not distinguish base station and radio repeater station.
19. wireless communication system as claimed in claim 12 is characterized in that,
Described radio frames comprises uplink relay subframe, downlink relay sub-frame, upstream data subframe and down data subframes;
Wherein, on time sequencing, described downlink relay sub-frame is positioned at the front of described uplink relay subframe, and described uplink relay subframe is positioned at the front of described down data subframes, and described down data subframes is positioned at the front of described upstream data subframe.
20. as claim 12 or 18 described wireless communication systems, it is characterized in that,
Described downlink relay sub-frame comprises:
Synchronization burst carries and is used for radio repeater station and synchronous targeting sequencing is carried out in the base station;
The configuration burst, carry the configuration information of radio repeater station, be used for indicating the coded modulation pattern and the allocation of radio resources situation of the uplink relay subframe uplink relay burst that radio repeater station sends, and the coded modulation pattern and the allocation of radio resources situation of downlink relay burst in the downlink relay sub-frame that radio repeater station received;
The repeat broadcast burst, institute's loaded information includes configuration burst institute loaded information in the down data subframes that radio repeater station sends, the broadcast message that broadcast burst is carried in the described down data subframes, and the Radio Resource obligate information expanded of the downlink data of being used for distributing for each radio repeater station;
And the downlink relay burst, carry the downlink data that sends to radio repeater station;
Described uplink relay subframe comprises:
The uplink relay burst carries the upstream data that radio repeater station sends to the base station;
Access burst carries the request of access at random that radio repeater station sends to the base station at random;
Described down data subframes comprises:
Synchronization burst carries user terminal and base station and radio repeater station and carries out synchronous targeting sequencing;
The configuration burst, carry the configuration information of user terminal, be used for indicating the code modulation mode and the allocation of radio resources situation of upstream data burst and downlink data burst, or be used for indicating the code modulation mode and the allocation of radio resources situation of the burst of down data subframes expanded configuration to user terminal to user terminal;
Expanded configuration happens suddenly, and carries the expanded configuration information of user terminal, is used for indicating to user terminal the code modulation mode and the allocation of radio resources situation of down data subframes downlink data expansion burst;
Broadcast burst carries the broadcast message that is broadcast to user terminal;
Downlink data burst carries the downlink data that sends to A type user terminal;
Downlink data expansion burst carries the downlink data that sends to the Type B user terminal;
Described upstream data subframe comprises:
Upstream data burst carries the upstream data that user terminal sends;
Access burst carries the request of access at random that user terminal sends at random.
21. a wireless communications method is used to carry out downlink data and transmits, it is realized in the wireless communication system that includes base station, radio repeater station and user terminal, it is characterized in that, this method comprises:
A, base station send to radio repeater station and carry the configuration information of radio repeater station, the configuration information of user terminal and the downlink relay sub-frame of downlink data;
B, radio repeater station receive and demodulate this downlink relay sub-frame according to the configuration information of described radio repeater station, and the configuration information of described user terminal and downlink data be carried in the down data subframes send to user terminal;
Receive and demodulate downlink data on the specified Radio Resource of c, the configuration information of user terminal in described down data subframes.
22. wireless communications method as claimed in claim 21 is characterized in that, step b specifically may further comprise the steps:
B1, radio repeater station receive and demodulate this downlink relay sub-frame, store described downlink data into the downlink data memory;
B2, radio repeater station select the high data of priority to produce down data subframes from the downlink data memory according to the priority level of business, and the configuration information of described user terminal is carried on wherein sends to user terminal.
23. wireless communications method as claimed in claim 21, it is characterized in that the configuration information of radio repeater station described in the step a, the configuration information of user terminal and downlink data are carried on respectively in configuration burst, repeat broadcast burst and the downlink relay burst of downlink relay sub-frame;
The configuration information of user terminal described in the step b and downlink data are carried on respectively in the configuration burst and downlink data burst of down data subframes.
24. wireless communications method as claimed in claim 21 is characterized in that,
The configuration information of radio repeater station described in the step a is used for indicating the code modulation mode and the allocation of radio resources situation of the downlink relay sub-frame downlink relay burst that described radio repeater station receives;
The configuration information of user terminal described in step a, b, the c is used for indicating information of radio resource allocation and the code modulation mode of user terminal at the downlink data burst of down data subframes.
25. a wireless communications method is used to carry out downlink data and transmits, it is realized in the wireless communication system that includes base station, radio repeater station and user terminal, it is characterized in that, this method comprises:
A, radio repeater station are configured user terminal, and send the notice that can send downlink data to the base station;
B, base station send the downlink relay sub-frame of the expanded configuration burst information of the configuration information, downlink data and the radio repeater station that carry radio repeater station to radio repeater station;
C, radio repeater station receive and demodulate downlink data according to the configuration information of described radio repeater station, and the configuration information of downlink data and user terminal and expanded configuration information is carried in the down data subframes sends to user terminal;
D, user terminal obtain the configuration information and the described expanded configuration information of described user terminal, and receive and the demodulation downlink data on the Radio Resource of expanded configuration information appointment.
26. wireless communications method as claimed in claim 25 is characterized in that, steps A specifically may further comprise the steps:
A1, base station send the downlink relay sub-frame of the configuration information that carries user terminal to radio repeater station;
A2, radio repeater station receive described downlink relay sub-frame, and the configuration information of described user terminal is carried in the down data subframes sends to user terminal;
A3, user terminal send the upstream data subframe on the Radio Resource of described configuration information appointment;
A4, wireless relay stand in the described upstream data subframe measurement quality of wireless channel that user terminal sends;
A5, radio repeater station send the notice that can send downlink data to the base station.
27. wireless communications method as claimed in claim 25 is characterized in that, step C specifically may further comprise the steps:
C1, radio repeater station receive according to the configuration information of described radio repeater station and demodulate downlink data, and are stored to the downlink data memory;
C2, radio repeater station select the high data of priority so that it is carried in the down data subframes from the downlink data memory according to the priority level of business;
C3, radio repeater station with described expanded configuration burst information as the configuration information of user terminal so that it is carried in the down data subframes;
C4, radio repeater station calculate the expanded configuration information of user terminal according to the priority and the described quality of wireless channel of data selected;
The described downlink data that C5, radio repeater station will choose and the described configuration information of user terminal and described expanded configuration information-bearing send to user terminal in down data subframes.
28. wireless communications method as claimed in claim 25, it is characterized in that the expanded configuration burst information of the configuration information of radio repeater station described in the step B, downlink data and radio repeater station is carried on respectively in the configuration burst of downlink relay sub-frame, downlink relay burst and the repeat broadcast burst;
The described configuration information of downlink data described in the step C, user terminal and described expanded configuration information are carried on respectively in downlink data expansion burst, configuration burst and the expanded configuration burst of down data subframes.
29. wireless communications method as claimed in claim 26 is characterized in that, the configuration information of user terminal described in the steps A 1 is carried in the repeat broadcast burst of downlink relay sub-frame;
The configuration information of user terminal described in the steps A 2 is carried in the configuration burst of down data subframes.
30. wireless communications method as claimed in claim 25 is characterized in that, the configuration information of described radio repeater station is used for indicating the code modulation mode and the allocation of radio resources situation of the downlink relay sub-frame downlink relay burst that described radio repeater station receives;
The configuration information of described user terminal is used for indicating Radio Resource situation and the code modulation mode of user terminal in the expanded configuration burst of down data subframes;
The expanded configuration information of described user terminal is used for indicating Radio Resource situation and the code modulation mode of user terminal in the downlink data expansion burst of down data subframes.
31. wireless communications method as claimed in claim 26 is characterized in that, the configuration information of described user terminal is used for indicating information of radio resource allocation and the code modulation mode of user terminal in the upstream data burst of upstream data subframe.
32. a wireless communications method is used to carry out upstream data and transmits, it is realized in the wireless communication system that includes base station, radio repeater station and user terminal, it is characterized in that, this method comprises:
Step 1, base station send the downlink relay sub-frame of the configuration information of the configuration information carry radio repeater station and user terminal to radio repeater station;
Step 2, radio repeater station receive the configuration information of described user terminal, and it is carried in the down data subframes sends to user terminal;
Step 3, user terminal are obtained the configuration information of described user terminal, and send the upstream data subframe that carries upstream data to radio repeater station on the Radio Resource of its appointment;
Step 4, radio repeater station receive and demodulate the upstream data in the described upstream data subframe, and according to the configuration information of described radio repeater station upstream data are carried on and send to the base station in the uplink relay subframe.
33. wireless communications method as claimed in claim 32 is characterized in that, described step 4 specifically comprises:
Step 41, radio repeater station receive and demodulate the upstream data in the described upstream data subframe, are stored to the upstream data memory;
Step 42, radio repeater station selects the high upstream data generation uplink relay subframe of priority to send to the base station from the upstream data memory according to the priority level of business.
34. wireless communications method as claimed in claim 32 is characterized in that,
The configuration information of radio repeater station described in the step 1 and the configuration information of described user terminal and be carried on the configuration burst of downlink relay sub-frame respectively and the repeat broadcast burst in;
The configuration information of user terminal described in the step 2 is carried in the configuration burst of down data subframes;
Upstream data described in the step 3 is carried in the upstream data burst of upstream data subframe;
Upstream data described in the step 4 is carried in the uplink relay burst of uplink relay subframe.
35. wireless communications method as claimed in claim 32 is characterized in that,
The configuration information of radio repeater station described in the step 1 is used for indicating the code modulation mode and the allocation of radio resources situation of the uplink relay subframe uplink relay burst of radio repeater station;
The configuration information of user terminal described in the step 1,2,3 is used for indicating information of radio resource allocation and the code modulation mode of user terminal in the upstream data burst of upstream data subframe.
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