Fixed capacity and variable member grouping assignment of orthogonal variable spreading factor code tree for code division multiple access networks
Orthogonal variable spreading factor codes are used in the downlink to maintain the orthogonality between different channels and are used to handle new calls arriving in the system. A period of operation leads to fragmentation of vacant codes. This leads to code blocking problem. The assignment sche...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2014-08-01
|
| Series: | The Journal of Engineering |
| Subjects: | |
| Online Access: | http://digital-library.theiet.org/content/journals/10.1049/joe.2014.0149 |