English:
[0003] In some data only (DO) systems, voice is served over IP hybrid automatic repeat request (HARQ) error correction schemes and smaller packet sizes. While VoIP users have the same benefits of advanced link adaptation and statistical multiplexing as data users, the greatly increased number of users that may be served because of the smaller voice packet sizes places a burden on control and feedback mechanisms of the system. It can be easily envisioned, for example, that 30 times as many voice packets could be served in a given frame than data packets. There are typically about 1500 bytes for data and about 40-50 bytes for voice. Present resource allocation and channel quality feedback and acknowledgment mechanisms however are not designed to handle such a large number of allocations.
[0004] In 802.16e systems, it is known to use a telescoping control channel that expands to include as many assignments as necessary for resource allocation. However, such an expansion mechanism does not address feedback or the fact that the entire downlink may be consumed for control information. Another mitigating mechanism is to group several voice packets together for transmission to a particular user. Unfortunately, this sort of packaging mechanism can adversely affect speech quality when a transmission is not received, since longer periods of speech are lost or corrupted. Thus there is a need for increasing the number of VoIP users supported while reducing control and feedback overhead. In packet based systems the term "data" is meant to signify payload information for any service, voice or data.
[0005] The various aspects, features and advantages of the present disclosure will become more fully apparent to those having ordinary skill in the art upon careful consideration of the following Detailed Description thereof with the accompanying drawings described below. The drawings may have been simplified for clarity and are not necessarily drawn to scale.
[0007] FIG. 2 is an illustrative sequence of radio frames each comprising a plurality of sub-frames.
[0008] FIG. 3 is an illustrative sub-frame including a control and data channels portions.
[0009] FIG. 4 illustrates a first resource allocation scheme.
[0010] FIG. 5 illustrates another resource allocation scheme.
[0011] FIG. 6 illustrates yet another resource allocation scheme.

中文:
[0003]在一些仅限数据(DO)的系统中,通过IP来提供语音(VoIP)。通过使用混合自动重传请求(HARQ)错误修正方案和更小的分组大小来提高用于VoIP业务的这种系统是公知的。尽管VoIP用户从高级链路自适应和统计多路复用获得与数据用户相同的受益,但由于更小的语音分组大小,可以服务的用户大量增长,这为系统的控制和反馈机制带来了负担。例如,可以简单地想象,在给定帧中,可以服务的语音分组是数据分组的30倍。数据典型地具有1500字节,而语音具有大约40-50个字节。然而,目前的资源分派和信道质量反馈和确认机制没有被设计成处理如此大量的分配。
[0004]在802.16e系统中,使用伸缩控制信道是公知的,该伸缩控制信道可以扩展以包含资源分配所必要的分派。然而,该扩展机制并没有解决反馈或整个下行链路被消耗以用于控制信息的事实。另一个减轻机制是将若干语音分组组合在一起以传输给特定用户。不幸的是,当没有接收到该传输时,这种分组机制将不利地影响语音质量,因为较长间隔的语音被丢失或破坏。因此,需要增加所支持的VoIP用户的数量,同时降低控制和反馈负载。在基于分组的系统中,术语“数据”表示任何业务、语音或数据的净荷信息。
[0005]在仔细考虑本公开的下面详细描述以及下面描述的附图时,本公开的各个方面、特性和优点对于本领域普通技术人员来说将变得更加明显。为了简单起见,这些附图可以被简化并且不必按照比例画出。
[0007]图2为每个都包含多个子帧的无线电帧的示例性序列。
[0008]图3为包含控制和数据信道部分的示例性子帧。
[0009]图4示出了第一资源分配方案。
[0010]图5示出了另一个资源分配方案。
[0011]图6示出了又一个资源分配方案。