Location:
Search - pure aloha
Search list
Description: 纯ALOHA协议
在该协议下，用户只要有帧产生，就会传送出去，发生冲突时，就等待一个随机时间后再重发。
所以对当前帧时，只有两种情况下可以发送成功：
1）当前帧时只有一帧要发送，且当前帧时的前一帧时无帧发送；
2）当前帧时只有一帧要发送（发送时刻为t），且前一帧时的最后一帧的发送时间不在（t- FRAMETIME）~ t这段时间内。
其他情况下都会产生冲突。
发生冲突时，错误帧继续传送，用户重新发送帧，设定一个随机数Rt，将该帧添加到第Rt/ FRAMETIME帧时上去，并设该帧的相对时间为Rt% FRAMETIME。这样即相当于用户等待一随机时间后重发。
对每一帧时进行上述控制，最终可得到成功发送的次数Suc，将其除以Suc = Suc /ARRAYLENGTH即得平均每帧时发送成功的帧数。
对于不同G，得到不同FrameArray，所得的Suc也不同，用一个数组来保存G与Suc的对应关系，再将其画出来。
-pure ALOHA agreement under the agreement, as long as users have a frame, it will transmit out, conflict, will wait for a random period of time before re-issued. Therefore, the current frame, there are only two circumstances can this success : 1) the current frame only one to send, and the current frame before one-time frame sent; 2) the current frame only to send a (t this moment), but before a final of a transmission time not (t-FRAMETIME) ~ t this time. Other cases will have conflict. Conflict, to continue to disseminate the wrong frame, users re-sending frames, set a random number Rt, this frame added to the first Rt / FRAMETIME frames up, and established the time frame for the relative% FRAMETIME Rt. This is equivalent to that user for a random period of time after re-issued. For each
Platform: |
Size: 44595 |
Author: fang |
Hits:
Description: 纯ALOHA协议
在该协议下，用户只要有帧产生，就会传送出去，发生冲突时，就等待一个随机时间后再重发。
所以对当前帧时，只有两种情况下可以发送成功：
1）当前帧时只有一帧要发送，且当前帧时的前一帧时无帧发送；
2）当前帧时只有一帧要发送（发送时刻为t），且前一帧时的最后一帧的发送时间不在（t- FRAMETIME）~ t这段时间内。
其他情况下都会产生冲突。
发生冲突时，错误帧继续传送，用户重新发送帧，设定一个随机数Rt，将该帧添加到第Rt/ FRAMETIME帧时上去，并设该帧的相对时间为Rt% FRAMETIME。这样即相当于用户等待一随机时间后重发。
对每一帧时进行上述控制，最终可得到成功发送的次数Suc，将其除以Suc = Suc /ARRAYLENGTH即得平均每帧时发送成功的帧数。
对于不同G，得到不同FrameArray，所得的Suc也不同，用一个数组来保存G与Suc的对应关系，再将其画出来。
-pure ALOHA agreement under the agreement, as long as users have a frame, it will transmit out, conflict, will wait for a random period of time before re-issued. Therefore, the current frame, there are only two circumstances can this success : 1) the current frame only one to send, and the current frame before one-time frame sent; 2) the current frame only to send a (t this moment), but before a final of a transmission time not (t-FRAMETIME) ~ t this time. Other cases will have conflict. Conflict, to continue to disseminate the wrong frame, users re-sending frames, set a random number Rt, this frame added to the first Rt/FRAMETIME frames up, and established the time frame for the relative% FRAMETIME Rt. This is equivalent to that user for a random period of time after re-issued. For each
Platform: |
Size: 44032 |
Author: fang |
Hits:
Description: opnet方针软件得slotted aloha模型，根据tutorial得pure aloha改编。-opnet approach slotted aloha in the software model According tutorial in the pure aloha adaptation.
Platform: |
Size: 3072 |
Author: 严紫光 |
Hits:
Description: 该源程序代码实现了如：纯ALOHA，扩展ALOHA,CSMA,ISMA等的多径通信协议通信仿真实现，程序结果给出了各个通信协议下传输数据的成功率和时间延迟。-Realize that the source code such as: pure ALOHA, the expansion of ALOHA, CSMA, ISMA and other multi-path communication protocol communication simulation realize, given the results of the proceedings of various communication protocols to transmit data under the success rate and time delay.
Platform: |
Size: 11264 |
Author: 郭顺利 |
Hits:
Description: 系统分别对无线通信中的几种重要的多址接入协议进行了仿真，包括pure-ALOHA,slotted-ALOHA,CSMA以及ISMA，对每种协议的信噪比-误码率关系进行了分析。-Of wireless communications systems are in several important multiple access protocol simulation, including the pure-ALOHA, slotted-ALOHA, CSMA and ISMA, signal to noise ratio of each type of agreement- the relationship between bit error rate are analyzed.
Platform: |
Size: 5120 |
Author: 张硕 |
Hits:
Description: 一个javax写的关于CSMA的模拟,有pure Aloha,One persist,p-persist,和non-persist的模拟，不过后面几个的模拟自己不怎满意-CSMA simulation with Java. include pure Aloha,One persist,p-persist,和non-persist.
Platform: |
Size: 55296 |
Author: zeng |
Hits:
Description: 碰撞在射频识别系统中是一个非常常见的问题，如何有效解决这个问题对整个系统来说是很重要的。射频识别
系统是由两个部分组成的：一个是标签；另一个是读写器。在读写器的作用范围内有多个标签同时应答，这时就会产生碰
撞。提出了一种改进的二进制搜索算法，使用这种算法能够在更短的时间内比二进制搜索算法、纯ALOHA和时隙ALO．
HA 法识别更多的标签。-Collision in the radio frequency identification systems is a very common problem, how to effectively solve this problem the whole system is very important. Radio frequency identification system is composed of two parts: a label the other is the reader. The role of the reader there are multiple tags at the same time within the response, then it will produce collisions. An improved binary search algorithm, using this algorithm can be in a much shorter period of time than the binary search algorithm, pure ALOHA, and slot ALO. HA the Identification of additional labels.
Platform: |
Size: 309248 |
Author: 吴晓彦 |
Hits:
Description: this code simulate pure aloha .
Platform: |
Size: 1024 |
Author: aissan |
Hits:
Description: draw diagrams for pure Aloha and slotted aloha with poisson arrival rate.
Platform: |
Size: 2048 |
Author: shaz |
Hits:
Description: This matlab m-file is a programing file of Pure ALOHA. This file considers
Platform: |
Size: 1024 |
Author: Minjae Kim |
Hits:
Description: This matlab m-file is a programing file of Pure ALOHA. This file considers
Platform: |
Size: 3072 |
Author: Minjae Kim |
Hits:
Description: Pure aloha simulation code
Platform: |
Size: 1024 |
Author: Teo |
Hits:
Description: Pure aloha simulation in matlab
Platform: |
Size: 1024 |
Author: Teo |
Hits:
Description: Pure aloha simulation code another version
Platform: |
Size: 1024 |
Author: Teo |
Hits:
Description: 防碰撞纯ALOHA的matlab仿真算法-The pure ALOHA anti-collision simulation algorithm matlab
Platform: |
Size: 3072 |
Author: 晓男 |
Hits:
Description: 改进防碰撞纯ALOHA的matlab仿真算法-Improved anti-collision algorithm for pure ALOHA the matlab simulation
Platform: |
Size: 3072 |
Author: 晓男 |
Hits:
Description: 纯ALOHA算法，使用VC编程实现，并绘制了纯ALOHA算法曲线图-Pure ALOHA algorithm, using the VC programming, and draw the curve of pure ALOHA algorithm
Platform: |
Size: 3052544 |
Author: sara |
Hits:
Description: TCL script to run pure aloha NS2 program. Outputs the aloha.tr and aloha.nam file
Platform: |
Size: 94208 |
Author: hppotter |
Hits:
Description: pure aloha 和slotted aloha算法的 matlab代码。结果显示了两种算法吞吐量的对比，通过修改标签数也可以得出吞吐量的变化值。
纯ALOHA协议(Pure ALOHA)
当传输点有数据需要传送的时候，它会向立即向通讯频道传送。
接收点在收到数据后，会ACK传输点。
如果接收的数据有错误，接收点会向传输点发送NACK。
当网络上的两个传输点同时向频道传输数据的时候，会发生冲突，这种情况下，两个点都停止一段时间后，再次尝试传送。
因为有太多的传输冲突.-pure aloha and slotted aloha algorithm matlab code. The results show the comparison of the two algorithms throughput, by modifying the number of labels can also come to change the value of the throughput. Pure ALOHA protocol (Pure ALOHA) When the transfer point has data to transmit, when it would have to immediately transfer to the communications channel. After receiving the data reception point will ACK transmission points. If the received data has an error, the receiver sends NACK point to point transmission. After transmission when two points on the network at the same time to the channel to transmit data, it will conflict, in this case, two points are stopped for some time, try the transfer again. Because there are too many transmission conflict.
Platform: |
Size: 4096 |
Author: hanqiu |
Hits:
Description: 纯的aloha算法，可以应用在射频识别中，考虑碰撞(Pure aloha algorithm, can be applied in radio frequency identification, consider the collision.)
Platform: |
Size: 1024 |
Author: 我爱编程123 |
Hits: