摘要
移动通信系统中的资源是有限的,且所有物理信道是共享的,它必须占用一定的时间、频率、功率和空间。我们借鉴蜂窝的概念,用许多小功率的发射机(小覆盖区)来代替大功率的发射机(大覆盖区)。频率复用系数(以N表示),有一个规律,都满足:N=i2+i*j+j2(i,j为非零整数)为什么频率复用系数都有这样的规律呢?
Mobile communication system in which the resource is limited,and all of the physical channel is shared,it must occu py time,frequency,power and space.We learn from the cellular concept,with many small power transmitter(small footprint) to replace the high power transmitter(large area coverage).Frequency reuse coefficient(scriptstyle N),there is a rule,are met: N= i2+i*j+j2(i,j nonzero integer) why the frequency reuse factor have such laws?
出处
《电脑知识与技术(过刊)》
2012年第9X期6228-6231,共4页
Computer Knowledge and Technology
基金
广州番禺职业技术学院"十二五"第一批院级项目(KJ-9)--移动通信系统中频率复用方案探讨
关键词
频率复用
蜂窝概念
频率复用系数
软频率复用
frequency reuse
the cellular concept
frequency reuse factor
soft frequency reuse