CN101772183A - Method and system for sending random access feedback messages, base station and terminal - Google Patents
Method and system for sending random access feedback messages, base station and terminal Download PDFInfo
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- CN101772183A CN101772183A CN200910076463A CN200910076463A CN101772183A CN 101772183 A CN101772183 A CN 101772183A CN 200910076463 A CN200910076463 A CN 200910076463A CN 200910076463 A CN200910076463 A CN 200910076463A CN 101772183 A CN101772183 A CN 101772183A
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Abstract
The invention discloses a method and a system for sending random access feedback messages. The sending method comprises the following steps: dividing all downlink member carrier waves into M groups and all available random access sequences into N groups according to each downlink member carrier wave group, wherein the value of N is equal to the number of selected downlink member carrier waves in each downlink member carrier wave group; sending downlink synchronous signals and broadcast information on each selected downlink member carrier wave, wherein the broadcast information carries a random access sequence group and random access channel information corresponding to the selected downlink member carrier waves; and detecting random access sequences from a terminal in a random access channel, and determining a random access sequence group to which the detected random access sequences belong so as to send a random access feedback message on the selected downlink member carrier waves corresponding to the determined random access sequence group. The invention discloses a base station and a terminal at the same time. When the method, system and devices are applied, downlink member carrier wave resources can be saved.
Description
Technical field
The present invention relates to mobile communication technology, random access feedback messages sending method and system and a kind of base station and terminal in particularly a kind of advanced long-term evolution system (LTE-A, Long Term Evolution-Advanced).
Background technology
In the existing LTE-A system,, need carry out carrier aggregation, and the result of carrier aggregation may cause the downlink bandwidth of system and upstream bandwidth inconsistent in order to satisfy demands for frequency resources.Such as, upstream bandwidth is 20MHz, and downlink bandwidth is 80MHz.After carrying out carrier aggregation, may comprise a plurality of continuous or discrete frequency bands in the big bandwidth, each frequency band is called one " member carrier ".Downlink bandwidth for 80MHz, wherein may there be a plurality of member carriers, it is downlink member carrier, such as, may there be 4 downlink member carriers, the width of each downlink member carrier is 20MHz, certainly, the downlink member carrier that also may have multiple different in width, such as 2 width downlink member carrier that is 20MHz, the downlink member carrier that 3 width are 10MHz and downlink member carrier of 2 width 5MHz etc.In a word, the situation of downlink member carrier number greater than the uplink member carrier number appears probably.
In this case, speed when guaranteeing that terminal is carried out cell initial search, the base station need all send downlink synchronous signal and broadcast message (in actual applications on each downlink member carrier, some downlink member carrier may be not need to carry out downlink synchronous signal and broadcast message transmission, because this class downlink member carrier and scheme of the present invention are irrelevant, so the downlink member carrier of the being mentioned downlink member carrier that specially refers to carry out downlink synchronous signal and broadcast message transmission here).Because can be on a plurality of frequencies during starting up of terminal the searching downlink synchronizing signal, if downlink synchronous signal is excessive at interval, can cause terminal to carry out the overlong time of cell initial search, also very power consumption simultaneously.Wherein, carry spendable random access sequence of terminal and Random Access Channel information in the broadcast message.
When terminal at random after having carried out cell initial search on certain downlink member carrier and having read broadcast message, will on the Random Access Channel of uplink member carrier, initiate to insert at random request, promptly send random access sequence to the base station; After the base station receives the random access sequence of self terminal, need be to terminal loopback random access feedback messages, and in principle, the base station need send random access feedback messages on terminal reads the downlink member carrier of broadcast message.But, because the waste of downlink member carrier resource so can only all send random access feedback messages on all downlink member carriers, so, has just been caused in base station and what do not know that terminal reads is broadcast message on which downlink member carrier.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of random access feedback messages sending method, can save the downlink member carrier resource.
Another object of the present invention is to provide a kind of random access feedback messages transmitting system, can save the downlink member carrier resource.
A further object of the present invention is to provide a kind of base station, can save the downlink member carrier resource.
Another purpose of the present invention is to provide a kind of terminal, can save the downlink member carrier resource.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of random access feedback messages sending method comprises:
Whole downlink member carriers are divided into the M group, and described M is a positive integer; At each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of described N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier;
On each selected downlink member carrier, send downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select;
In Random Access Channel, detect the random access sequence of self terminal, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages.
A kind of random access feedback messages transmitting system comprises:
The base station, be used for whole downlink member carriers are divided into the M group, described M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of described N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier; On each selected downlink member carrier, send downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select; And in Random Access Channel, detect the random access sequence of self terminal, determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages;
Described terminal, be used to read a downlink synchronous signal and a broadcast message on the selected downlink member carrier, utilize described downlink synchronous signal to finish synchronously, and select a random access sequence in the random access sequence group of from described broadcast message, carrying, send to described base station by described Random Access Channel.
A kind of base station comprises:
Grouped element, be used for whole downlink member carriers are divided into the M group, described M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of described N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier;
Transmitting element, be used on each selected downlink member carrier, sending downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select;
Feedback unit, be used in Random Access Channel, detecting the random access sequence of self terminal, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages.
A kind of terminal comprises:
Reading unit is used to read a downlink synchronous signal and a broadcast message on the downlink member carrier, carries in the described broadcast message and corresponding random access sequence group of this downlink member carrier and the spendable Random Access Channel information of terminal;
Performance element is used to utilize described downlink synchronous signal to finish synchronously, and selects a random access sequence in the random access sequence group of carrying from described broadcast message, sends to the base station by described Random Access Channel.
As seen, adopt technical scheme of the present invention, when the downlink member carrier number in the system is counted greater than uplink member carrier, whole downlink member carriers are divided into the M group, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of N and the downlink member carrier group is identical, make the corresponding random access sequence group of each selected downlink member carrier, and on each selected downlink member carrier, send downlink synchronous signal and broadcast message, wherein, carry in the broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select, afterwards, in Random Access Channel, detect the random access sequence of self terminal, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing downlink member carrier of determining of random access sequence group, send random access feedback messages.Compared with prior art, scheme of the present invention utilizes the random access sequence group to distinguish different downlink member carriers, thereby clear and definite should on which downlink member carrier, send random access feedback messages, avoid obscuring of downlink member carrier, save the downlink member carrier resource.
Description of drawings
Fig. 1 is the flow chart of random access feedback messages sending method embodiment of the present invention.
Fig. 2 is a up-downgoing member carrier distribution situation schematic diagram among the inventive method embodiment.
Fig. 3 is the composition structural representation of random access feedback messages transmitting system embodiment of the present invention.
Fig. 4 is the composition structural representation of base station embodiment of the present invention.
Fig. 5 is the composition structural representation of terminal embodiment of the present invention.
Embodiment
At problems of the prior art, a kind of brand-new random access feedback messages delivery plan is proposed: among the present invention when descending member carrier number is counted greater than uplink member carrier, at first, whole downlink member carriers are divided into the M group, M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of N and the downlink member carrier group is identical, makes the corresponding random access sequence group of each selected downlink member carrier; Then, on each selected downlink member carrier, send downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select; Afterwards, in Random Access Channel, detect the random access sequence of self terminal, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages.Compared with prior art, scheme of the present invention can utilize the random access sequence group to distinguish different downlink member carriers, thereby has avoided all sending random access feedback messages on all downlink member carriers, and then has saved the downlink member carrier resource.In actual applications, the specific actor of said process is the base station.
Here the selected downlink member carrier of being mentioned is meant that follow-up needs carry out the downlink member carrier of downlink synchronous signal and broadcast message transmission.The concrete prior art that is sent as of selecting which downlink member carrier to carry out downlink synchronous signal and broadcast message repeats no more.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Fig. 1 is the flow chart of random access feedback messages sending method embodiment of the present invention.For ease of describing, in the present embodiment " selected downlink member carrier " abbreviated as " downlink member carrier ".As shown in Figure 1, this embodiment may further comprise the steps:
Step 101: whole downlink member carriers are divided into the M group, and M is a positive integer; At each downlink member carrier group, respectively spendable whole random access sequences are divided into N group, the value of N is identical with downlink member carrier number in the downlink member carrier group, makes random access sequence group of each downlink member carrier correspondence.
In this step, at first, as required, whole downlink member carriers is divided into M group (the downlink member carrier number in every group is not necessarily identical); Then, at each downlink member carrier group, carry out following operation respectively: spendable whole random access sequences are divided into the N group, and the interior downlink member carrier number of the value of N and this downlink member carrier group is identical, makes random access sequence group of each downlink member carrier correspondence.
Specifically how random access sequence is divided into groups and can be decided according to the actual requirements, such as, can be with spendable whole random access sequences mean allocation on N downlink member carrier, perhaps, can be certain some random access sequence of downlink member carrier overabsorption also, and other downlink member carriers distribute some random access sequences less according to actual conditions.
For making things convenient for subsequent descriptions, the value of supposing M in the present embodiment is 1, promptly has only a downlink member carrier group, and, N downlink member carrier in this downlink member carrier group is numbered downlink member carrier 1, downlink member carrier 2 respectively ..., downlink member carrier N; Correspondingly, will be numbered random access sequence group 1 respectively with corresponding N random access sequence group of this N downlink member carrier, random access sequence group 2 ..., random access sequence group N.
Step 102: the base station sends downlink synchronous signal and broadcast message to terminal on each downlink member carrier, wherein, carry in the broadcast message and corresponding random access sequence group of this downlink member carrier and the spendable Random Access Channel information of terminal.
That is to say, to carry random access sequence group 1 in the broadcast message that is sent on the downlink member carrier 1, to carry random access sequence group 2 in the broadcast message that is sent on the downlink member carrier 2, ..., will carry random access sequence group N in the broadcast message that is sent on the downlink member carrier N.
How the base station sends downlink synchronous signal and broadcast message is a prior art to terminal, repeats no more.
Step 103: terminal reads a downlink synchronous signal and a broadcast message on the downlink member carrier, utilize downlink synchronous signal to finish synchronously, and from broadcast message, select a random access sequence in the entrained random access sequence group, send to the base station by Random Access Channel.
In this step, terminal is carried out cell initial search, promptly reads downlink synchronous signal and broadcast message on the downlink member carrier in N the downlink member carrier at random, utilize downlink synchronous signal finish and the base station between synchronously; Then, from the broadcast message that reads, select a random access sequence at random in the entrained random access sequence group, send to the base station, promptly initiate to insert at random request to the base station by Random Access Channel.
Step 104: the random access sequence that comes self terminal is detected in the base station in Random Access Channel, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing downlink member carrier of determining of random access sequence group, send random access feedback messages.
In this step, after the base station detects the random access sequence of self terminal, judge which random access sequence group this random access sequence belongs to, suppose judged result for belonging to random access sequence group 1, the base station then sends random access feedback messages to terminal on downlink member carrier 1 so.In actual applications, after the base station receives random access sequence, may also need to carry out some other processing, but since irrelevant with scheme of the present invention, so be not described.
In the subsequent process, terminal (promptly reads in the downlink member carrier of broadcast message) in the corresponding downstream member carrier and monitors, to determine whether to receive random access feedback messages from the base station, if, then initiate the scheduling of resource request, otherwise, proceed to insert at random, repeat no more.
Below by concrete example, scheme of the present invention is described in further detail:
Suppose in a certain LTE-A system, carrying out after the carrier aggregation, the situation of 2 uplink member carrier and 5 downlink member carriers (supposing to be selected downlink member carrier) occurred, as shown in Figure 2, Fig. 2 is the up-downgoing member carrier distribution situation schematic diagram among the inventive method embodiment.Wherein, the width of each up-downgoing member carrier is 20MHz, and downlink member carrier 1 and 2 is as the corresponding uplink member carrier 1 of a downlink member carrier group, and downlink member carrier 3,4 and 5 is as the corresponding uplink member carrier 2 of a downlink member carrier group; At these two downlink member carrier groups, respectively whole random access sequences are divided into 2 and 3 random access sequence groups, wherein, downlink member carrier 1 and 2 is corresponding random access sequence group A1 and A2 respectively, and downlink member carrier 3,4 and 5 is corresponding random access sequence group B1, B2 and B3 respectively.
In addition, suppose that downlink member carrier 2 is the carrier wave that uses symmetrical spectrum with uplink member carrier 1, so, can be random access sequence group A2 and distribute more random access sequence, to guarantee that the symmetrical spectrum user is assigned to abundant random access sequence, simultaneously, the random access sequence that remaining is less is distributed to random access sequence group A1, for user's use of synchronous detecting downlink member carrier 1.Equally, if hypothesis downlink member carrier 3 is the carrier wave that uses symmetrical spectrum with uplink member carrier 2, can be random access sequence group B1 so and distribute more random access sequence, random access sequence group B2 and B3 then distribute less random access sequence.
The concrete course of work of base station and terminal room is as follows in this example:
The base station sends downlink synchronous signal and broadcast message on each downlink member carrier shown in Figure 2, wherein, in downlink member carrier 1,2,3, the 4 and 5 pairing broadcast messages respectively correspondence carry random access sequence group A1, A2, B1, B2 and B3;
In the terminal picked at random downlink member carrier 1,2,3,4 and 5 one, be assumed to be downlink member carrier 4, read downlink synchronous signal and broadcast message on it, know that operable random access sequence group is B2 and spendable Random Access Channel information, this Random Access Channel is positioned at uplink member carrier 2; Then, terminal sends random access sequence in the Random Access Channel of uplink member carrier 2, and this random access sequence is a random access sequence of selecting at random from random access sequence group B2;
After the base station receives the random access sequence of self terminal, judge this random access sequence and belong to random access sequence group B2, so on downlink member carrier 4, send random access feedback messages to terminal;
Whether terminal monitoring in downlink member carrier 4 receives the random access feedback messages from the base station, if then initiate the scheduling of resource request to the base station; Otherwise, proceed to insert at random, until success.
Based on said method, the present invention provides a kind of random access feedback messages transmitting system and a kind of base station and terminal simultaneously.Wherein:
Fig. 3 is the composition structural representation of random access feedback messages transmitting system embodiment of the present invention.As shown in Figure 3, this system comprises:
Base station 31, be used for whole downlink member carriers are divided into the M group, M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier; On each selected downlink member carrier, send downlink synchronous signal and broadcast message, carry in this broadcast message and corresponding random access sequence group of downlink member carrier and the terminal 32 spendable Random Access Channel information that should select, and in Random Access Channel, detect the random access sequence of self terminal 32, determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages;
Terminal 32, be used to read a downlink synchronous signal and a broadcast message on the selected downlink member carrier, utilize downlink synchronous signal to finish synchronously, and select a random access sequence in the random access sequence group of from broadcast message, carrying, send to base station 31 by Random Access Channel.
Wherein, terminal 32 also can be further used for, and judges whether to receive the random access feedback messages from base station 31, if, then initiate the scheduling of resource request, otherwise, proceed to insert at random.
Fig. 4 is the composition structural representation of base station embodiment of the present invention.As shown in Figure 4, comprising:
Grouped element 41, be used for whole downlink member carriers are divided into the M group, M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequence is divided into the N group, downlink member carrier number selected in the value of N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier;
Transmitting element 42, be used on each selected downlink member carrier, sending downlink synchronous signal and broadcast message, carry in this broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select;
Fig. 5 is the composition structural representation of terminal embodiment of the present invention.As shown in Figure 5, comprising:
Reading unit 51 is used to read a downlink synchronous signal and a broadcast message on the downlink member carrier; Carry in this broadcast message and corresponding random access sequence group of this downlink member carrier and the spendable Random Access Channel information of terminal;
In addition, also can further comprise in the terminal shown in Figure 5:
Judging unit 53 is used to judge whether to receive the random access feedback messages from the base station, if, then initiate the scheduling of resource request, otherwise, proceed to insert at random.
The concrete workflow of described system in Fig. 3～5 and device embodiment please refer to the respective description among the method embodiment shown in Figure 1, repeats no more herein.
In a word, adopt technical scheme of the present invention, asymmetric at up-downgoing member carrier number in the LTE-A system, be specially the situation of downlink member carrier number greater than the uplink member carrier number, utilize the random access sequence group to distinguish different downlink member carriers, thereby clearly should on which downlink member carrier, send random access feedback messages,, save the downlink member carrier resource to avoid obscuring of downlink member carrier; And, scheme of the present invention to existing standard without any influence, complete compatible existing LTE-A system is convenient to implement.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a random access feedback messages sending method is characterized in that, this method comprises:
Whole downlink member carriers are divided into the M group, and described M is a positive integer; At each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of described N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier;
On each selected downlink member carrier, send downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select;
In Random Access Channel, detect the random access sequence of self terminal, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages.
2. method according to claim 1 is characterized in that, described on each selected downlink member carrier, send downlink synchronous signal and broadcast message after, further comprise:
Described terminal reads a downlink synchronous signal and a broadcast message on the selected downlink member carrier, utilize described downlink synchronous signal to finish synchronously, and select a random access sequence in the random access sequence group of from described broadcast message, carrying, send by described Random Access Channel.
3. method according to claim 1 and 2 is characterized in that, the described transmission on the pairing selected downlink member carrier of the random access sequence group of determining after the random access feedback messages further comprises:
Whether described terminal judges receives random access feedback messages, if, then initiate the scheduling of resource request, otherwise, proceed to insert at random.
4. a random access feedback messages transmitting system is characterized in that, this system comprises:
The base station, be used for whole downlink member carriers are divided into the M group, described M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of described N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier; On each selected downlink member carrier, send downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select; And in Random Access Channel, detect the random access sequence of self terminal, determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages;
Described terminal, be used to read a downlink synchronous signal and a broadcast message on the selected downlink member carrier, utilize described downlink synchronous signal to finish synchronously, and select a random access sequence in the random access sequence group of from described broadcast message, carrying, send to described base station by described Random Access Channel.
5. system according to claim 4 is characterized in that described terminal is further used for, and judges whether to receive the random access feedback messages from described base station, if, then initiate the scheduling of resource request, otherwise, proceed to insert at random.
6. a base station is characterized in that, comprising:
Grouped element, be used for whole downlink member carriers are divided into the M group, described M is a positive integer, at each downlink member carrier group, respectively spendable whole random access sequences are divided into the N group, downlink member carrier number selected in the value of described N and the downlink member carrier group is identical, the corresponding random access sequence group of each selected downlink member carrier;
Transmitting element, be used on each selected downlink member carrier, sending downlink synchronous signal and broadcast message, carry in the described broadcast message and corresponding random access sequence group of downlink member carrier and the spendable Random Access Channel information of terminal that should select;
Feedback unit, be used in Random Access Channel, detecting the random access sequence of self terminal, and determine the random access sequence group that detected random access sequence is affiliated, on the pairing selected downlink member carrier of the random access sequence group of determining, send random access feedback messages.
7. a terminal is characterized in that, comprising:
Reading unit is used to read a downlink synchronous signal and a broadcast message on the downlink member carrier, carries in the described broadcast message and corresponding random access sequence group of this downlink member carrier and the spendable Random Access Channel information of terminal;
Performance element is used to utilize described downlink synchronous signal to finish synchronously, and selects a random access sequence in the random access sequence group of carrying from described broadcast message, sends to the base station by described Random Access Channel.
8. terminal according to claim 7 is characterized in that, further comprises in the described terminal:
Judging unit is used to judge whether to receive the random access feedback messages from described base station, if, then initiate the scheduling of resource request, otherwise, proceed to insert at random.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100764635A CN101772183B (en) | 2009-01-05 | 2009-01-05 | Method and system for sending random access feedback messages, base station and terminal |
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| CN2009100764635A CN101772183B (en) | 2009-01-05 | 2009-01-05 | Method and system for sending random access feedback messages, base station and terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013113197A1 (en) * | 2012-02-01 | 2013-08-08 | 华为技术有限公司 | Physical random access channel access method, base station and user equipment |
| CN108289329A (en) * | 2017-01-09 | 2018-07-17 | 北京三星通信技术研究有限公司 | The method and base station equipment of random access, user equipment |
| CN109151905A (en) * | 2017-06-16 | 2019-01-04 | 展讯通信（上海）有限公司 | Random access resource distributing method and base station, readable storage medium storing program for executing and electronic equipment |
| CN109803434A (en) * | 2017-11-17 | 2019-05-24 | 珠海市魅族科技有限公司 | Configuration or the method and device for dividing random access set |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0302654D0 (en) * | 2003-10-06 | 2003-10-06 | Ericsson Telefon Ab L M | Method and arrangement in a telecommunication system |
| EP3461213A1 (en) * | 2005-11-04 | 2019-03-27 | LG Electronics Inc. | Random access dimensioning methods and procedures for frequency division multiplexing access systems |
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2009
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013113197A1 (en) * | 2012-02-01 | 2013-08-08 | 华为技术有限公司 | Physical random access channel access method, base station and user equipment |
| US9439222B2 (en) | 2012-02-01 | 2016-09-06 | Huawei Technologies Co., Ltd. | Method, base station, and user equipment for accessing physical random access channel |
| CN108289329A (en) * | 2017-01-09 | 2018-07-17 | 北京三星通信技术研究有限公司 | The method and base station equipment of random access, user equipment |
| CN108289329B (en) * | 2017-01-09 | 2023-08-29 | 北京三星通信技术研究有限公司 | Random access method, base station equipment and user equipment |
| CN109151905A (en) * | 2017-06-16 | 2019-01-04 | 展讯通信（上海）有限公司 | Random access resource distributing method and base station, readable storage medium storing program for executing and electronic equipment |
| CN109151905B (en) * | 2017-06-16 | 2020-09-11 | 展讯通信（上海）有限公司 | Random access resource allocation method, base station, readable storage medium and electronic device |
| CN109803434A (en) * | 2017-11-17 | 2019-05-24 | 珠海市魅族科技有限公司 | Configuration or the method and device for dividing random access set |
| CN109803434B (en) * | 2017-11-17 | 2022-11-25 | 珠海市魅族科技有限公司 | Method and device for configuring or dividing random access set |
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| Publication number | Publication date |
|---|---|
| CN101772183B (en) | 2012-04-18 |
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